PUBLICATIONS

REFEREED PUBLICATIONS - 2022

Apers, S., G. J. M. De Lannoy, A. J. Baird, A. R. Cobb, G. C. Dargie, J. del Aguila Pasquel, A. Gruber, A. Hastie, H. Hidayat, T. Hirano, A. M. Hoyt, A. J. Jovani-Sancho, A. Katimon, A. Kurnain, R. D. Koster, M. Lampela, S. P. P. Mahanama, L. Melling, S. E. Page, R. H. Reichle, M. Taufik, J. Vanderborght, and M. Bechtold, 2022. Tropical peatland hydrology simulated with a global land surface model. J. Adv. Model. Earth Sys , 14, e2021MS002784. doi:10.1029/2021MS002784  Link to Published Version

Bi, J., K. E. Knowland, C. A. Keller, and Y. Liu, 2022. Combining machine learning and numerical simulation for high-resolution PM2.5 concentration forecast. Environmental Science and Technology , 56 (3), 1544-1556. doi: 10.1021/acs.est.1c05578  Link to Published Version

Bittner, A. S., E. S. Cross, D. H. Hagan, C. Malings, E. Lipsky, and A. Grieshop, 2022. Performance Characterization of Low-cost Air Quality Sensors for Off-grid Deployment in Rural Malaw. Atmospheric Measurement Techniques , 15 (11), 3353-3376. doi: 10.5194/amt-15-3353-2022  Link to Published Version

Colliander, A., R.H. Reichle, W.T. Crow, M.H. Cosh, F. Chen, S. Chan, N. Das, R. Bindlish, J. Chaubell, S.B. Kim, Q. Liu, P. O'Neill, R.S. Dunbar, L. Dang, J. Kimball, T.J. Jackson, H.K. al Jassar, J. Asanuma, B. K. Bhattacharya, A. Berg, D.D. Bosch, L. Bourgeau-Chavez, T. Caldwell, J-C. Calvet, C. Holifield Collins, K.H. Jensen, S. Livingston, E. Lopez-Baeza, J. Martínez-Fernández, H. McNairn, M. Moghaddam, C. Montzka, C. Notarnicola, T. Pellarin, I. Pfeil, J. Pulliainen, J. Ramos, M. Seyfried, P. Starks, Z. Su, Rogier van der Velde, Yijian Zeng, M. Thibeault, M. Vreugdenhil, J.P. Walker, M. Zribi, D. Entekhabi, and S. Yueh, 2022. Validation of Soil Moisture Data Products from the NASA SMAP Mission. IEEE JSTARS , 15, 364-392. doi: 10.1109/JSTARS.2021.3124743  Link to Published Version

Collow, A. B. M., N. P. Thomas, M. G. Bosilovich, Y.-K. Lim, S. D. Schubert, and R. D. Koster, 2022. Seasonal Variability in the Mechanisms Behind the 2020 Siberian Heatwaves. J. Climate , 35 (10), 3075-3090. doi: 10.1175/JCLI-D-21-0432.1  Link to Published Version

Collow, A. B. M., C. A. Shields, B. Guan, S. Kim, J. M. Lora, E. E. McClenny, K. Nardi, A. Payne, K. Reid, E. J. Shearer, R. Tomé, J. D. Wille, A. M. Ramos, I. V. Gorodetskaya, L. R. Leung, T. A. O'Brien, F. M. Ralph, J. Rutz20, P. A. Ullrich8, and M. Wehner, 2022. An Overview of ARTMIP's Tier 2 Reanalysis Intercomparison: Uncertainty in the Detection of Atmospheric Rivers and their Associated Precipitation. Journal of Geophysical Research - Atmospheres , 127 (8), e2021JD036155. doi: 10.1029/2021JD036155  Link to Published Version

Coy, L., P. A. Newman, A. Molod, S. Pawson, M. J.Alexander, and L. Holt, 2022. Seasonal prediction of the quasi-biennial oscillation. Journal of Geophysical Research - Atmospheres , 127, e2021JD036124. doi: 10.1029/2021JD036124  Link to Published Version

Crow, W. T., J. Dong and R. H. Reichle, 2022. Leveraging pre-storm soil moisture estimates for enhanced land surface model calibration in ungauged hydrologic basins. Water Resources Research , 58 (8), e2021WR031565. doi:10.1029/2021WR031565  Link to Published Version

De Lannoy, G. J. M., M. Bechtold, C. Albergel, L. Brocca, J.-C. Calvet, A. Carrassi, W. T. Crow, P. de Rosnay, M. Durand, B. Forman, G. Geppert, M. Girotto, H.-J. Hendricks Franssen, T. Jonas, S. Kumar, H. Lievens, Y. Lu, C. Massari, V. R. N. Pauwels, R. H. Reichle, and S. Steele-Dunne, 2022. Perspective on Satellite-Based Land Data Assimilation to Estimate Water Cycle Components in an Era of Advanced Data Availability and Model Sophistication. Frontiers in Water , 4, 981745. doi:10.3389/frwa.2022.981745  Link to Published Version

Dezfuli, A., K. G. Horton, B. Zuckerberg, S. D. Schubert, and M. G. Bosilovich, 2022. Continental patterns of bird migration linked to climate variability. Bulletin of the American Meteorological Society , 103 (2), E536-E547. doi:10.1175/BAMS-D-21-0220.1  Link to Published Version

Dezfuli, A., S. Razavi, and B. Zaitchik, 2022. Compound effects of climate change on future transboundary water issues in the Middle East. Earth's Future , 10, e2022EF002683. doi: 10.1029/2022EF002683  Link to Published Version

Dezfuli, A., 2022. Studying the Middle East's sky rivers. Nature Middle East doi: doi:10.1038/nmiddleeast.2022.8  Link to Published Version

Dezfuli, A, 2022. Congo Basin, a neglected world heritage. Nature Africa doi:10.1038/d44148-022-00100-0  Link to Published Version

Endsley, K. A., J. S. Kimball and R. H. Reichle, 2022. Soil respiration phenology improves modeled phase of terrestrial net ecosystem exchange in northern hemisphere. Journal of Advances in Modeling Earth Systems , 14, e2021MS002804. doi:10.1029/2021MS002804  Link to Published Version

Fahad, A. A., and N. J. Burls, 2022. The influence of direct radiative forcing versus indirect sea surface temperature warming on southern hemisphere subtropical anticyclones under global warming. Climate Dynamics , 58, 2333-2350. doi: 10.1007/s00382-021-06006-1  Link to Published Version

Ganeshan, M., O. Reale, E. McGrath-Spangler, and N. Boukachaba, 2022. Impact of assimilating adaptively thinned AIRS cloud-cleared radiances on the analysis of Polar Lows and Mediterranean Sea Tropical-like Cyclone in a global modeling and data assimilation framework. Weather and Forecasting , 37 (7), 1117-1134. 10.1175/WAF-D-21-0068.1  Link to Published Version

Gilpin, S., T. Matsuo, and S. E. Cohn, 2022. Continuum Covariance Propagation for Understanding Variance Loss in Advective Systems. SIAM Journal on Uncertainty Quantification , 10 (3), 886-914. doi: 10.1137/21M1442449  Link to Published Version

Gladson, L. A., K. R. Cromar, M. Ghazipura, K. E. Knowland, C. A. Keller, and B. Duncan, 2022. Communicating respiratory health risk among children using a global air quality index. Environmental International , 159, 107023. doi: 10.1016/j.envint.2021.107023  Link to Published Version

Grigoratou, M., E. Montes, A.J.Richardson, J.D. Everett, E. Acevedo-Trejos, C. Anderson, B. Chen, T. Guy-Haim, J. Hinners, C. Lindemann, T.M. Garcia, K.O. Möller, F.M. Monteiro, A.R. Neeley,T.D. O'Brien, A.P. Palacz, A.J. Poulton, A.E.F. Prowe, Á.E. Rodríguez-Santiago, C.S. Rousseaux, J. Runge, J.F. Saad, I. Santi, R. Stern, A. Soccodaato, S. Våge, M. Vogt, S. Zervoudaki, and F.E. Muller-Karger, 2022. The Marine Biodiversity Observation Network Plankton Workshops: Plankton Ecosystem Function, Biodiversity, and Forecasting-Research Requirements and Applications . Limnology and Oceanography Bulletin , 31, 22-26. doi: 10.1002/lob.10479  Link to Published Version

Jeong, Y.-C., S.-W. Yeh, Y.-K. Lim, A. Santoso, and G. Wang, 2022. Indian Ocean warming as key driver of long-term positive trend of Arctic Oscillation. npj Clim Atmos Sci , 5 (56)doi: 10.1038/s41612-022-00279-x  Link to Published Version

Karpowicz, B. M., P. G. Stegmann, B. T. Johnson, H. W. Christophersen, E. J. Hyer, A. Lambert, and E. Simon, 2022. pyCRTM: A Python Interface for the Community Radiative Transfer Model. Journal of Quantitative Spectroscopy and Radiative Transfer , 288, 108263. doi: 10.1016/j.jqsrt.2022.108263  Link to Published Version

Kerr, G. H., D. L. Goldberg, K. E. Knowland, C. A. Keller, D. Oladini, I. Kheirbek, L. Mahoney, Z. Lu, and S. C. Anenberg, 2022. Diesel passenger vehicle shares influenced COVID-19 changes in urban nitrogen dioxide pollution. Environmental Research Letters , 17 (7), 074010. doi: 10.1088/1748-9326/ac7659  Link to Published Version

Knowland, K. E., C. A. Keller, P. A. Wales, K. Wargan, L. Coy, M. S. Johnson, J. Liu, R. A. Lucchesi, S. D. Eastham, E. Fleming, Q. Liang, T. Leblanc, N. J. Livesey, K. A. Walker, L. E. Ott, and S. Pawson, 2022. NASA GEOS Composition Forecast Modeling System 2 GEOS-CF v1.0: Stratospheric composition. Journal of Advances in Modeling Earth Systems , 14 (6), e2021MS002852. doi: 10.1029/2021MS002852  Link to Published Version

Kramarova, N. A., P. A. Newman, E. R. Nash, S. E. Strahan, B. Johnson, M. Pitts, M. L. Santee, I. Petropavlovskikh, L. Coy, and J. De Laat, 2022. 2022: 2021 Antarctic ozone hole [in “State of the Climate in 2021"]. Bull. Amer. Meteor. Soc. , 103 (8), S332-S335. doi: 10.1175/BAMS-D-22-0078.1  Link to Published Version

Lee, E., R. D. Koster, L. E. Ott, J. Joiner, F.-W. Zeng, J. Kolassa, R. H. Reichle, K. Arsenault, A. Hazra, and S. Shukla, 2022. Skillful Seasonal Forecasts of Land Carbon Uptake in Northern Mid- and High Latitudes. Geophysical Research Letters , 49 (6), e2021GL097117. doi: 10.1029/2021GL097117  Link to Published Version

Light, C.X., B.K. Arbic, P.E. Martin, et al., 2022. Effects of grid spacing on high-frequency precipitation variance in coupled high-resolution global ocean–atmosphere models. Clim Dyn doi: 10.1007/s00382-022-06257-6  Link to Published Version

Lim, Y.-K., D. Wu, K.-M. Kim, and J. N. Lee, 2022. Impact of the Arctic Oscillation from March on summertime sea ice. Environmental Ressearch: Climate , 1 (2), 021001. doi:10.1088/2752-5295/ac91e8  Link to Published Version

Liu, Y., O. Flournoy, Q. Zhang, K. A. Novick, R. D. Koster, and A. G. Konings, 2022. Canopy height and climate dryness parsimoniously explain spatial variation of unstressed stomatal conductance. Geophysical Research Letters , 49, e2022GL099339. doi: 10.1029/2022GL099339  Link to Published Version

Luo, B., P.J. Minnett, M. Szczodrak, S. Akella, 2022. Regional and Seasonal Variability of the Oceanic Thermal Skin Effect. Journal of Geophysical Research - Oceans , 127 (5), e2022JC018465. doi: 10.1029/2022JC018465  Link to Published Version

Ma, L., G. Hurtt, L. Ott, R. Sahajpal, J. Fisk, R. Lamb, H. Tang, S. Flanagan, L. Chini, A. Chatterjee, and J. Sullivan, 2022. Global evaluation of the Ecosystem Demography model (ED v3.0). Geoscientific Model Development , 15, 1971-1994. doi: 10.5194/gmd-15-1971-2022  Link to Published Version

MaBean, N., H. Liddy, T. Quaife, J. Kolassa, and A. Fox, 2022. Building a land data assimilation community to tackle technical challenges in quantifying and reducing uncertainty in land model predictions. Bulletin of the American Meteorological Society , 103 (3), E733-E740. doi: 10.1175/BAMS-D-21-0228.1  Link to Published Version

Manney, G. L., A. H. Butler, Z. D. Lawrence, K. Wargan, and M. L. Santee, 2022. What's in a name? On the use and significance of the term"polar voretex". Geophysical Research Letters , 49 (10), e2021GL097617. doi: 10.1029/2021GL097617  Link to Published Version

Manney, G. L., A. H. Butler, K. Wargan, and J.-U. Grooß, 2022. Introduction to Special Collection ``The Exceptional Arctic Stratospheric Polar Vortex in 2019/2020: Causes and Consequences" . Journal of Geophysical Research - Atmospheres , 127 (18), e2022JD037381. doi: 10.1029/2022JD037381  Link to Published Version

Moch, J. M., L. J. Mickley, C. A. Keller, H. Blan, E. W. Lundgren, S. Zhai, and D. J. Jacob, 2022. Aerosol-Radiation Interactions in China in Winter: Competing Effects of Reduced Shortwave Radiation and Cloud-Snowfall-Albedo Feedbacks Under Rapidly Changing Emissions. Journal of Geophysical Research - Atmospheres , 127 (9), e2021JD035442. doi:10.1029/2021JD035442  Link to Published Version

Petropavlovskikh, I., K. Miyagawa, A. McClure-Beegle, B. Johnson, J. Wild, S. Strahan, K. Wargan, R. Querel, L. Flynn, E. Beach, G. Acellet, and S. Godin-Beekmann, 2022. Optimized Umkehr profile algorithm for ozone trend analyses. Atmospheric Measurement Techniques , 15, 1849-1870. doi: 10.5194/amt-15-1849-2022  Link to Published Version

Privé, N. C., R. M. Errico, and A. El Akkraoui, 2022. Investigation of the potential saturation of information from Global Navigation Satellite System Radio Occultation observations with an observing system simulation experiment . Monthly Weather Review , 150 (6), 1293-1316. doi:10.1175/MWR-D-21-0230.1  Link to Published Version

Razavi, S., D. M. Hannah, A. Elshorbagy, S. Kumar, L. Marshall, D. P. Solomatine, A. Dezfuli, M. Sadegh, and J. Famiglietti, 2022. Coevolution of machine learning and process-based modelling to revolutionize Earth and environmental sciences: A perspective. Hydrological Processes , 36 (6), e14596. doi: 10.1002/hyp.14596  Link to Published Version

Schubert, S.D., Y. Chang, A.M. DeAngelis, R.D. Koster, Y.-K. Lim, and H. Wang, 2022. Exceptional Warmth in the Northern Hemisphere during January through March of 2020: The Roles of Unforced and Forced Modes of Atmospheric Variability. Journal of Climate , 35 (8), 2565-2584. doi:10.1175/JCLI-D-21-0291.1  Link to Published Version

Shields, C.A., J.D. Wille, A.B.M. Collow, M. Maclennan, and I.V. Gorodetskaya, 2022. Evaluating Uncertainty and Modes of Variability for Antarctic Atmospheric Rivers. Geophysical Research Letters , 49, e2022GL099577. DOI:10.1029/2022GL099577  Link to Published Version

Silva, S. J., C. A. Keller and J. Hardin, 2022. Using an Explainable Machine Learning Approach to Characterize Earth System Model Errors: Application of SHAP Analysis to Modeling Lightning Flash Occurrence. J. Adv. Model. Earth Sys , 14 (4), e2021MS002881. doi:10.1029/2021MS00288  Link to Published Version

Stegmann, P. G., B. Johnson, I. Moradi, B. Karpowicz, W. McCarty, 2022. A Deep Learning Approach to Fast Radiative Transfer. Journal of Quantitative Spectroscopy and Radiative Transfer , 280, 108088. doi: 10.1016/j.jqsrt.2022.108088  Link to Published Version

Stephan, C. C., J. Duras, L. Harris, D. Klocke, W. M. Putman, M. Taylor, N. P. Wedi, N. Žagar, and F. Ziemen, 2022. Atmospheric energy spectra in global kilometre-scale models. Tellus A: Dynamic Meteorology and Oceanography , 74 (1), 280-299. doi:10.16993/tellusa.26  Link to Published Version

Strobach, E., A. Molod, D. Barahona, A. Trayanov, D. Menemenlis, and G. Forget, 2022. Earth System Model Parameter Adjustment Using a Green's Functions Approach. Geoscientific Model Development , 15, 2309-2324. doi: 10.5194/gmd-2021-251  Link to Published Version

Strobach, E., P. Klein, a. Molod, A. A. Fahad, A. Trayanov, D. Menemenlis, and H. Torres, 2022. Local Air-Sea Interactions at Ocean Mesoscale in Western Boundary Currents. Geophysical Research Letters , 49, e2021GL097003. doi: 10.1029/2021GL097003  Link to Published Version

Strobach, E., P. Klein, A. Molod, A. A. Fahad, A. Trayanov, D. Menem;enlis, and H. Torres, 2022. Local air-sea interactions at ocean mesoscale and submesoscale in a Western Boundary Current. Geophysical Research Letters , 49, e2021GL097003. doi: 10.1029/2021GL097003  Link to Published Version

Tan, I., and D. Barahona, 2022. The impacts of immersion ice nucleation parameterizations on Arctic mixed-phase stratiform cloud properties and the Arctic radiation budget in GEOS-5. J. Climate , 35 (13), 4049-4070. doi:10.1175/JCLI-D-21-0368.1  Link to Published Version

Tan, I., D. Barahona and Q. Coopman, 2022. Potential Link Between Ice Nucleation and Climate Model Spread in Arctic Amplification. Geophysical Research Letters , 49 (4), e2021GL097373. doi: 10.1029/2021GL097373  Link to Published Version

Trunz, C., M. Covington, K. Poinar, L.C. Andrews, J. Mejia, and J. Gulley, 2022. Modeling the impact of moulin shape in subglacial hydrology. Journal of Geophysical Research - Earth Surface , 127 (8), e2022JF006674. doi: 10.1029/2022JF006674  Link to Published Version

Vincent, F., M. Maertens, M. Bechtold, E. Jobbágy, R. H. Reichle, V. Vanacker, J. Vrugt, J.-P. Wigneron, and G. J. M. De Lannoy, 2022. L-Band Microwave Satellite Data and Model Simulations Over the Dry Chaco to Estimate Soil Moisture, Soil Temperature, Vegetation and Soil Salinity. IEEE JSTARS , 15, 6598-6614. doi: 10.1109/JSTARS.2022.3193636  Link to Published Version

Xiong, X., X. Liu, W. Wu, K. E. Knowland, Q. Yang, J. Welsh, and D. K. Zhou, 2022. Satellite observation of stratospheric intrusions and ozone transport using CrIS on SNPP. Atmospheric Environment , 273, 118956. doi: 10.1016/j.atmosenv.2022.118956  Link to Published Version

Yang, K., L.C. Smith, L.C. andrews, X. Fettweis, and M. Li, 2022. Supraglacial drainage efficiency of the Greenland Ice Sheet estimated from remote sensing and climate models. Journal of Geophysical Research - Earth Surface , 127, e2021JF006269. doi: 10.1029/2021JF006269  Link to Published Version

Zhang, Z., A. Chatterjee, L. Ott, R. H. Reichle, A. F. Feldman, and B. Poulter, 2022. Effect of Assimilating SMAP Soil Moisture on CO2 and CH4 Fluxes Through Direct Inserting in a Land Surface Model. Remote Sensing , 14, 2405. doi:10.3390/rs14102405  Link to Published Version

Zhang, C., Z. Yang, H. Zhao, Z. Sun, L. Di, R. Bindlish, P.-W. Liu, A. Colliander, R. Mueller, W. Crow, R. H. Reichle, J. Bolten, and S. H. Yueh, 2022. Crop-CASMA: A web geoprocessing and map service based architecture and implementation for serving soil moisture and crop vegetation condition data over U.S. Cropland. International Journal of Applied Earth Observation and Geoinformation , 112, 102902. doi: 10.1016/j.jag.2022.102902  Link to Published Version

Ziemke, J. R., N. A. Kramarova, S. M. Frith, L.-K. Huang, D. P. Haffner, K. Wargan, et at., 2022. NASA satellite measurements show global-scale reductions in free tropospheric ozone in 2020 and again in 2021 during COVID-19. Geophysical Research Letters , 49 , e2022GL098712. doi: 10.1029/2022GL098712  Link to Published Version

TECHNICAL MEMORANDA

Kimball, John, K. Arthur Endsley, Tobias Kundig, Joseph Glassy, Rolf H. Reichle and Joseph V. Ardizzone, 2022. Validation Assessment for the Soil Moisture Active Passive (SMAP) Level 4 Carbon (L4_C) Data Product Version 6. ASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2022-104606, Vol. 61, 45 pp. Document (6285 kB).

Reichle, Rolf, Qing Liu, Randal D. Koster, Joseph V. Ardizzone, Andreas Colliander, Wade T. Crow, Gabrielle J. M. De Lannoy and John S. Kimball, 2022. Soil Moisture Active Passive (SMAP) Project Assessment Report for Version 6 of the L4_SM Data Product. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2021-104606, Vol. 60, 72 pp. Document (8595 kB).

Reichle, Rolf, and Qing Liu, 2021. Observation-Corrected Precipitation for the SMAP Level 4 Soil Moisture (Version 6) Product and the GEOS R21C Reanalysis. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2021-104606, Vol. 59, 32 pp. Document (404 kB).

Reichle, Rolf, Qing Liu, Randal D. Koster, Joseph V. Ardizzone, Andreas Colliander, Wade T. Crow, Gabrielle J. M. De Lannoy and John S. Kimball, 2021. Soil Moisture Active Passive (SMAP) Project Assessment Report for Version 5 of the L4_SM Data Product. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2021-104606, Vol. 58, 60 pp. Document (3713 kB).

Chang, Yehui, Siegfried Schubert, Randal Koster and Andrea Molod, 2021. Tendency Bias Correction in the GEOS AGCM. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2021-104606, Vol. 57, 78 pp. Document (5255 kB).

Kimball, John, K. Arthur Endsley, Tobias Kundig, Joseph Glassy, Rolf H. Reichle and Joseph V. Ardizzone, 2021. Validation Assessment for the Soil Moisture Active Passive (SMAP) Level 4 Carbon (L4_C) Data Product Version 5. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2021-104606, Vol. 56, 31 pp. Document (2610 kB).

Schubert, Siegfreid, Young-Kwon Lim, Andrea Molod, and Allison Marquardt Collow, 2021. A Phenomenon-Based Decomposition of Model-Based Estimates of Boreal Winter ENSO Variability. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2021-104606, Vol. 55, 88 pp. Document (7722 kB).

Carvalho, David, and Will McCarty, 2020. Position Estimation of Atmospheric Motion Vectors for Observation System Simulation Experiments. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2019-104606, Vol. 54, 44 pp. Document (2175 kB).

Schubert, Siegfried, Anna Borovikov, Young-Kwon Lim, and Andrea Molod, 2019. Ensemble Generation Strategies Employed in the GMAO GEOS-S2S Forecast System. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2019-104606, Vol. 53, 75 pp. Document (5002 kB).

Reichle, Rolf H., Qing Liu, Randal D. Koster, Joseph V. Ardizzone, Andreas Colliander, Wade T. Crow, Gabrielle J. M. De Lannoy, and John S. Kimball, 2018. Soil Moisture Active Passive (SMAP) Project Assessment Report for Version 4 of the L4_SM Data Product. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2018-104606, Vol. 52, 72 pp. Document (11805 kB).

Akella, Santha, and Max Suarez, 2018. The Atmosphere-Ocean Interface Layer of NASA’s Goddard Earth Observing System Model and Data Assimilation System. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2018-104606, Vol. 51, 42 pp. Document (4892 kB).

Todling, Ricardo, and Amal El Akkraoui, 2018. The GMAO Hybrid Ensemble-Variational Atmospheric Data Assimilation System: Version 2.0. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2018-104606, Vol. 50, 184 pp. Document (5543 kB).

Kim, Jong, Santha Akella, Arlindo M. da Silva, Ricardo Todling, and William McCarty, 2018. Preliminary evaluation of influence of aerosols on the simulation of brightness temperature in the NASA’s Goddard Earth Observing System Atmospheric Data Assimilation System. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2018-104606, Vol. 49, 44 pp. Document (5922 kB).

Errico, Ronald M., Nikki C. Privé, David Carvalho, Meta Sienkiewicz, Amal El Akkraoui, Jing Guo, Ricardo Todling, Will McCarty, William M. Putman, Arlindo da Silva, Ronald Gelaro, Isaac Moradi, 2017. Description of the GMAO OSSE for Weather Analysis Software Package: Version 3. NASA/TM-2017-104606, Vol. 48, 156 pp. Document (2473 kB).

Collow, Allison B. Marquardt, Sarith P. Mahanama, Michael G. Bosilovich, Randal D. Koster, and Siegfried D. Schubert, 2017. An Evaluation of Teleconnections Over the United States in an Ensemble of AMIP Simulations with the MERRA-2 Configuration of the GEOS Atmospheric Model. NASA/TM-2017-104606, Vol. 47, 68 pp. Document (5623 kB).

McCarty, Will, Lawrence Coy, Ronald Gelaro, Albert Huang, Dagmar Merkova, Edmond B. Smith, Meta Seinkiewicz, and Krzysztof Wargan, 2016. MERRA-2 Input Observations: Summary and Assessment. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2016-104606, Vol. 46, 61 pp. Document (3553 kB).

Randles, C. A., A. M. da Silva, V. Buchard, A. Darmenov, P. R. Colarco, V. Aquila, H. Bian, E. P. Nowottnick, X. Pan, A. Smirnov, H. Yu, and R. Govindaraju, 2016. The MERRA-2 Aerosol Assimilation. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2016-104606, Vol. 45, 143 pp. Document (91522 kB).

Akella, Santha, Ricardo Todling and Max Suarez, 2016. Estimation of the Ocean Skin Temperature using the NASA GEOS Atmospheric Data Assimilation System. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2016-104606, Vol. 44, 88 pp. Document (12742 kB).

Bosilovich, Michael G., Santha Akella, Lawrence Coy, Richard Cullather, Clara Draper, Ronald Gelaro, Robin Kovach, Qing Liu, Andrea Molod, Peter Norris, Krzysztof Wargan, Winston Chao, Rolf Reichle, Lawrence Takacs, Yury Vikhliaev, Steve Bloom, Allison Collow, Stacey Firth, Gordon Labow, Gary Partyka, Steven Pawson, Oreste Reale, Siegfried D. Schubert, and Max Suarez, 2015. MERRA-2: Initial Evaluation of the Climate. NASA/TM–2015–104606, Vol. 43, 139 pp. Document (20707 kB).

Kimball, John S., Lucas A. Jones,Joseph Glassy, E. Natasha Stavros, Nima Madani, Rolf H. Reichle, Thomas Jackson, and Andreas Colliander, 2015. Soil Moisture Active Passive (SMAP) Project Calibration and Validation for the L4_C Beta-Release Data Product. NASA/TM–2015-104606, Vol. 42, 37 pp. Document (13765 kB).

Schubert, Siegfried, Will Pozzi, Kingtse Mo, Eric F. Wood, Kerstin Stahl, Mike Hayes, Juergen Vogt, Sonia Seneviratne, Ron Stewart, Roger Pulwarty, and Robert Stefanski, 2015. GDIS Workshop Report. NASA/TM–2015-104606, Vol. 41, 40 pp. Document (623 kB).

Reichle, Rolf H., Gabrielle J. M. De Lannoy, Qing Liu, Andreas Colliander, Austin Conaty, Thomas Jackson, John Kimball, and Randal D. Koster, 2015. Soil Moisture Active Passive (SMAP) Project Assessment Report for the Beta-Release L4_SM Data Product. NASA/TM-2015-104606, Vol. 40. Document (5812 kB).

Mahanama, Sarith P., Randal D. Koster, Gregory K. Walker, Lawrence L. Takacs, Rolf H. Reichle, Gabrielle De Lannoy, Qing Liu, Bin Zhao, and Max J. Suarez, 2015. Land Boundary Conditions for the Goddard Earth Observing System Model Version 5 (GEOS-5) Climate Modeling System - Recent Updates and Data File Descriptions. NASA/TM–2015-104606, Vol. 39, 55 pp. Document (4608 kB).

Darmenov, Anton, and Arlindo da Silva, 2015. The Quick Fire Emissions Dataset (QFED): Documentation of versions 2.1, 2.2 and 2.4. NASA/TM–2015–104606, Vol. 38. Document (68725 kB).

Takacs, Lawrence L., Max Suarez, and Ricardo Todling, 2015. Maintaining Atmospheric Mass and Water Balance Within Reanalysis. NASA/TM–2014-104606, Vol. 37. Document (3732 kB).

Gelaro, Ronald, William M. Putman, Steven Pawson, Clara Draper, Andrea Molod, Peter M. Norris, Lesley Ott, Nikki Privé, Oreste Reale, Deepthi Achuthavarier, Michael Bosilovich, Virginie Buchard, Winston Chao, Lawrence Coy, Richard Cullather, Arlindo da Silva, Anton Darmenov, Ronald M. Errico, Marangelly Fuentes, Min-Jeong Kim, Randal Koster, Will McCarty, Jyothi Nattala, Gary Partyka, Siegfried Schubert, Guillaume Vernieres, Yuri Vikhliaev, and Krzysztof Wargan, 2015. Evaluation of the 7-km GEOS-5 Nature Run. NASA/TM–2014-104606, Vol. 36. Document (88612 kB).

Reichle, R. H., and Q. Liu, 2014. Observation-Corrected Precipitation Estimates in GEOS-5. NASA/TM–2014-104606, Vol. 35. Document (495 kB).

Keppenne, C. L., M. M. Rienecker, R. M. Kovach, and G. Vernieres, 2014. Background error covariance estimation using information from a single model trajectory with application to ocean data assimilation into the GEOS-5 coupled model. NASA/TM-2014-104606, Vol. 34. Document (1941 kB).

Rousseaux, C. S., and W. W. Gregg, 2014. The effects of chlorophyll assimilation on carbon fluxes in a global biogeochemical model. NASA/TM-2014-104696, Vol. 33. Document (942 kB).

Provencal, S., P. Kishcha, E. Elhacham, A. M. da Silva, and P. Alpert, 2014. Estimates of AOD Trends (2002 – 2012) over the World’s Major Cities based on the MERRA Aerosol Reanalysis. NASA/TM-2014-104606, Vol. 32, 40 pp. Document (3247 kB).

Gregg, W. W., N. W. Casey, and C. S. Rousseaux, 2013. Global surface ocean carbon estimates in a model forced by MERRA. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA TM-2013-104606, Vol. 31, 39 pp. Document (1170 kB).

Vernieres, G., M. Rienecker, R. Kovach, and C. Keppenne, 2012. The GEOS-iODAS: Description and Evaluation. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA TM—2012-104606, Vol. 30, 61 pp. Document (13707 kB).

Rienecker, M.M., D. Dee, J. Woollen, G. P. Compo, K. Onogi, R. Gelaro, M. G. Bosilovich, A. da Silva, S. Pawson, S. Schubert, M. Suarez, D. Barker, H. Kamahori, R. Kistler, and S. Saha, 2012. Atmospheric Reanalyses—Recent Progress and Prospects for the Future. A Report from a Technical Workshop, April 2010. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA TM—2012-104606, Vol. 29, 56 pp. Document (9410 kB).

Molod, A., L. Takacs, M. Suarez, J. Bacmeister, I.-S. Song, and A. Eichmann, 2012. The GEOS-5 Atmospheric General Circulation Model: Mean Climate and Development from MERRA to Fortuna. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA TM—2012-104606, Vol. 28, 117 pp. Document (11776 kB).

Rienecker, M.M., M. J. Suarez, R. Todling, J. Bacmeister, L. Takacs, H.-C. Liu, W. Gu, M. Sienkiewicz, R. D. Koster, R. Gelaro, I. Stajner, and J. E. Nielsen, 2008. The GEOS-5 Data Assimilation System - Documentation of Versions 5.0.1, 5.1.0, and 5.2.0. Technical Report Series on Global Modeling and Data Assimilation, Vol. 27, 1-118 pp. Document (11978 kB).

Bloom, S., A. da Silva, D. Dee, M. Bosilovich, J.-D. Chern, S. Pawson, S. Schubert, M. Sienkiewicz, I. Stajner, W.-W. Tan, M.-L. Wu, 2005. Documentation and Validation of the Goddard Earth Observing System (GEOS) Data Assimilation System - Version 4. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 26, 1-187 pp. Document (18124 kB).

Waliser, D., S. Schubert, A. Kumar, K. Weickmann, and R. Dole, 2003. Modeling, Simulation, and Forecasting of Subseasonal Variability. NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2016-104606, Vol. 25, 70 pp. Document (12998 kB).

Rienecker, M., A. Troccoli, C. Keppenne, G. Johnson, 2003. Temperature Data Assimilation with Salinity Corrections: Validation for the NSIPP Ocean Data Assimilation System in the Tropical Pacific Ocean, 1993-1998. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 24, 1-39 pp. Document (3077 kB).

Schubert, S., R. Dole, H. van den Dool, M. Suarez, D. Waliser, 2002. Prospects for Improved Forecasts of Weather and Short-Term Climate Variability on Subseasonal (2-Week to 2-Month) Time Scales. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 23, 1-163 pp. Document (11999 kB).

Gregg, W.W., 2002. A Coupled Ocean-Atmosphere Radiative Model for Global Ocean Biogeochemical Models. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 22, 1-31 pp. Document (2513 kB).

Keppene, C. L., and M. Rienecker, 2001. Design and Implementation of a Parallel Multivariate Ensemble Kalman Filter for the Poseidon Ocean General Circulation Model. NASA Technical Memorandum 104606, Vol. 21. Document (2725 kB).

Chang, Y., S. D. Schubert, S. J. Lin, S. Nebuda, B.-W. Shen, 2001. The Climate of the FVCCM-3 Model. Technical Report Series on Global and Data Assimilation, Vol. 20. Document (8273 kB).

Chou, M.-D., M. Suarez, X.-Z. Liang, M. M.-H. Yan, 2001. A Thermal Infrared Radiation Parameterization for Atmospheric Studies. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 19. Document (1954 kB).

Pegion, P. J., S. D. Schubert, M. Suarez, 2000. An Assessment of the Predictability of Northern Winter Seasonal Means with the NSIPP 1 AGCM. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 18. Document (8353 kB).

Bacmeister, J., S. D. Schubert, M. Suarez, P. J. Pegion, 2000. Atlas of Seasonal Means Simulated by the NSIPP 1 Atmospheric GCM. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 17. Document (8943 kB).

Takacs, L., W. Sawyer, M. J. Suarez, and M. S. Fox-Rabinowitz, 1999. Filtering Techniques on a Stretched Grid General Circulation Model. NASA Technical Memorandum 104606, Vol. 16. Document (3192 kB).

Chou, M.-D., and M. Suarez, 1999. A Solar Radiation Parameterization for Atmospheric Studies. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 15. Document (1880 kB).

Bosilovich, M. G., and S. D. Schubert, 1998. A Comparison of GEOS Assimilated Data with FIFE Observations. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 14. Document (2969 kB).

Min, W., and S. Schubert, 1997. Interannual Variability and Potential Predictability in Reanalysis Products. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 13. Document (16062 kB).

Chang, A., and L. Chiu, 1997. Comparison of Satellite Global Rainfall Algorithms. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 12. Document (305 kB).

Yang, W., I. M. Navon, R. Todling, 1997. Documentation of the Tangent and Adjoint Models of the Relaxed Arakawa-Schubert Moisture Parameterization Package of the NASA GEOS-1 GCM. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 11. Document (331 kB).

Takacs, L., and M. Suarez, 1996. Dynamical Aspects of Climate Simulations Using the GEOS General Circulation Model. NASA Technical Memorandum 104606, Vol. 10. Document (3578 kB).

Koster, R. D., and M. J. Suarez, 1996. Energy and Water Balance Calculations in the Mosaic LSM. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 9. Document (2528 kB).

Yang, W., and I. M. Navon, 1995. Documentation of the Tangent Linear Model and Its Adjoint of the Adiabatic Version of the NASA GEOS-1 C-Grid GCM (Version 5.2). Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 8. Document (363 kB).

Schubert, S. D., and R. Rood, 1995. Proceedings of the Workshop on the GEOS-1 Five-Year Assimilation. NASA Technical Memorandum 104606, Vol. 7. Document (24028 kB).

Schubert, S. D., C. K. Park, C. Y. Wu, W. Higgins, Y. Kondratyeva, A. Molod, L. L. Takacs, M. Seablom, R. B. Rood, 1995. A Multiyear Assimilation with the GEOS-1 System: Overview and Results. NASA Technical Memorandum 104606, Vol. 6. Document (14369 kB).

Suarez, M., and L. L. Takacs, 1995. Documentation of the Aries-GEOS Dynamical Core: Version 2. NASA Technical Memorandum 104606, Vol. 5. Document (1667 kB).

Pfaendtner, J., S. Bloom, D. Lamich, M. Seablom, M. Sienkiewicz, J. Stobie, A. da Silva, 1995. Documentation of the Goddard Earth Observing System (GEOS) Data Assimilation System: Version 1. NASA Technical Memorandum 104606, Vol. 4. Document (2674 kB).

Chou, M.-D., M. J. Suarez, X.-Z. Liang, M. Yan, 1994. An Efficient Thermal Infrared Radiation Parameterization for Use in General Circulation Models. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 3. Document (2587 kB).

Li, Y., S. Moorthi, J. R. Bates, 1994. Direct Solution of the Implicit Formulation of Fourth Order Horizontal Diffusion for Gridpoint Models on the Sphere. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 2. Document (1876 kB).

Takacs, L., A. Molod, T. Wang, 1994. Documentation of the Goddard Earth Observing System (GEOS) General Circulation Model: Version 1. Technical Report Series on Global Modeling and Data Assimilation 104606, Vol. 1. Document (4320 kB).

GMAO OFFICE NOTES

GMAO Office Note No. 21 (Version 1.0): Wargan, K., B. Weir, 2022. File Specification for MERRA-2 Stratospheric Composition Reanalysis of Aura MLS (M2-SCREAM)  Document [PDF].

GMAO Office Note No. 20 (Version 1.0): Keller, C., H. Amos, V. Buchard, A. Darmenov, S. Shen, M. Deloria Knoll, F. Villavicencio, M. Bosilovich, 2021. File Specification for MERRA-2 Country-Level Surface PM2.5 Monthly Mean Product  Document [PDF]. See also Version 1.0 (2021). See also Version 1.0 (2021). See also Version 1.0 (2021).

GMAO Office Note No. 19 (Version 1.1): Collow, Allison, M. Bosilovich, A. Dezfuli, and R. Lucchesi, 2021. File Specification for MERRA-2 Climate Statistics Products  Document [PDF]. See also Version 1.0 (2020).

GMAO Office Note No. 18 (Version 1.0): Collow, Allison, R. Lucchesi, and A. Da Silva, 2020. File Specification for GEOS Products Sampled Along Aircraft Trajectories  Document [PDF].

GMAO Office Note No. 17 (Version 1.2): Knowland, K. Emma, C.A. Keller, and R. Lucchesi, 2022. File Specification for GEOS-CF Products  Document [PDF]. See also Version 1.1 (2020). See also Version 1.0 (2019).

GMAO Office Note No. 16 (Version 1.0): Nakada, K., R. Kovach, J. Marshak, and A. Molod, 2018. S2S-2_1: File Specification  Document [PDF].

GMAO Office Note No. 15 (Version 1.0): Collow, A., M. Bosilovich, and R. Lucchesi, 2018. File Specification for M2AMIP Products  Document [PDF].

GMAO Office Note No. 14 (Version 1.0): Putman, W., and M. J. Suarez, 2017. Overview of the GEOS Atmospheric Model and the Challenges of Using it at Exascale  Document [PDF].

GMAO Office Note No. 13 (Version 1.0): Kimball, J.S., L. A. Jones, J. Glassy, E. N. Stavros, N. Madani, R. H. Reichle, T. Jackson, and A. Colliander, 2016. Soil Moisture Active Passive Mission L4_C Data Product Assessment (Version 2 Validated Release)  Document [PDF].

GMAO Office Note No. 12 (Version 1.0): Reichle, R., G. J. M. De Lannoy, Q. Liu, J. V. Ardizzone, F. Chen, A. Colliander, A. Conaty, W. Crow, T. Jackson, J. Kimball, R. D. Koster, and E. Brent Smith, 2016. Soil Moisture Active Passive Mission L4_SM Data Product Assessment (Version 2 Validated Release)  Document [PDF].

GMAO Office Note No. 11 (Version 2.1): Endsley, K. A., J. Glassy, J. S. Kimball, L. A. Jones, R. H., Reichle, J. V. Ardizzone, G.-K. Kim, R. A. Lucchesi, E. B. Smith, and B. H. Weiss, 2021. Soil Moisture Active Passive (SMAP) Mission Level 4 Carbon (L4_C) Product Specification Document  Document [PDF]. See also Version 2.0 (2016). See also Version 1.9 (2015).

GMAO Office Note No. 10 (Version 1.5): Reichle, R. H., R. A. Lucchesi, J. V. Ardizzone, G.-K. Kim, E. B. Smith, and B. H. Weiss, 2018. Soil Moisture Active Passive (SMAP) Mission Level 4 Surface and Root Zone Soil Moisture (L4_SM) Product Specification Document  Document [PDF]. See also Version 1.4 (2015).

GMAO Office Note No. 9 (Version 1.1): Bosilovich, M. G., R. Lucchesi, and M. Suarez, 2015. MERRA-2: File Specification  Document [PDF].

GMAO Office Note No. 8 (Version 1.0): Kouatchou, J., A. Molod, J. E. Nielsen, B. Auer, W. Putman and T. Clune, 2015. GEOS-5 Chemistry Transport Model User's Guide  Document [PDF].

GMAO Office Note No. 7 (Version 1.0): da Silva, A. M., C. A. Randles, V. Buchard, A. Darmenov, P. R. Colarco, and R. Govindaraju, 2015. File Specification for the MERRA Aerosol Reanalysis (MERRAero)  Document [PDF].

GMAO Office Note No. 6: da Silva, A.M., W. Putman, and J. Natalla, 2015. File Specification for the 7-km GEOS-5 Nature Run, Ganymed Release (Non-hydrostatic 7-km Global Mesoscale Simulation)  Document [PDF].

GMAO Office Note No. 5 (Version 1.0): Putman, W., A. M. da Silva, L. E. Ott, and A. Darmenov, 2014. Model Configuration for the 7-km GEOS-5 Nature Run, Ganymed Release (Non-hydrostatic 7-km Global Mesoscale Simulation)  Document [PDF].

GMAO Office Note No. 4 (Version 1.2): Lucchesi, R., 2018. File Specification for GEOS-5 FP (Forward Processing)  Document [PDF]. See also Version 1.1 (2017). See also Version 1.0 (2013).

GMAO Office Note No. 3: Reichle, R. H., 2012. The MERRA-Land Data Product (Version 1.2)  Document [PDF].

GMAO Office Note No. 2 (Version 1.4): Lucchesi, R., 2015. File Specification for GEOS-5 FP-IT (Forward Processing for Instrument Teams)  Document [PDF]. See also Version 1.2 (2013).

GMAO Office Note No. 1: Lucchesi, R., 2012. File Specification for MERRA Products (Version 2.3)  Document [PDF].

DAO OFFICE NOTES

DAO Office Note 2002-01: Yang, R., et al., 2002. Tangent Linear Analysis of the Mosaic Land Surface Model  Document [PDF].

DAO Office Note 2001-11: Poli, P., et al., 2001. One-dimensional Variational Analysis using GPS radio occultation refractivity  Document [PDF].

DAO Office Note 1999-004: Sawyer, W., et al., 1999. Benchmark and Unit Test Results ofthe Message-Passing GEOS General Circulation Model  Document [PDF].

DAO Office Note 1999-003: Molod, A., 1999. The land surface component in GEOS: Model formulation   Document [PDF].

DAO Office Note 99-02: Zhu, Y., 1999. Technical Remarks on Smoother Algorithms  Document [PDF].

DAO Office Note 1999-01: Todling, R., 1999. Estimation Theory and Foundations of Atmospheric Data Assimilation  Document [PDF].

DAO Office Note 1998-009: Sawyer, W., et al., 1998. GEOS-2.x (multitasked) to GEOS-3.x (MPI) GCM Migration Plan  Document [PDF].

DAO Office Note 1998-008: Sawyer, W., et al., 1998. PILGRIM: A Parallel Library for Grid Manipulations in Earth Science Calculations  Document [PDF].

DAO Office Note 98-06: Gaspari, G., et al., 1998. Construction of the PSAS Multi-level Forecast Error Covariance Models  * Document not available *.

DAO Office Note 1998-05: Larson, J., et al., 1998. Documentation of the Physical-Space Statistical Analysis System (PSAS) Part III: The Software Implementation  Document [PDF].

DAO Office Note 1998-04: Guo, J., et al., 1998. Documentation of the Physical-Space Statistical Analysis System (PSAS) Part II: The Factored-Operator Formulation of Error Covariances   Document [PDF].

DAO Office Note 98-03: Joiner, J. and Rokke, L., 1998. Variational Cloud Clearing with TOVS Data  *Document not available*.

DAO Office Note 98-02: Staff, 1998. DAO Fortran 90 Software Standards  *Document not available*.

DAO Office Note 97-16: Sawyer, W., et al., 1997. GEOS 3.x Data Assimilation System: Core GEOS 3.x Interface and Data Design  *Document not available*.

DAO Office Note 97-13: Lyster, P. et al., 1997. Design of the Goddard Earth Observing System (GEOS) Parallel General Circulation Model (GCM)  Document [PDF]

DAO Office Note 97-12: Dee, D., et al., 1997. Maximum-likelihood estimation of forecast and observation error covariance parameters  Document [PDF].

DAO Office Note 97-11: Sawyer, W. and da Silva, A., 1997. ProTeX: A Sample Fortran 90 Source Code Documentation System  Document [PDF].

DAO Office Note 97-10: Min, W., and Schubert, S., 1997. The Climate Signal in Regional Moisture Fluxes: A Comparison of Three Global Data Assimilation Products  Document [PDF].

DAO Office Note 97-08: Cohn, S., et al., 1997. Assessing the Effects of Data Selection with the DAO Physical-space Statistical Analysis System  Document [PDF].

DAO Office Note 97-05: Lyster P., et al., 1997. Design of the Goddard Earth Observing System (GEOS) Parallel Physical-space Statistical Analysis System (PSAS)  Document [PDF].

DAO Office Note 97-04: Todling, R., et al., 1997. Suboptimal Schemes for Retrospective Data Assimilation Based onf the Fixed-Lag Kalman Smoother  Document [PDF].

DAO Office Note 97-02: Lyster, P., et al., 1997. Prallel Implementation of a Kalman Filter for Constituent Data Assimilation  Document [PDF].

DAO Office Note 97-01: Cohn, S., 1997. An Introduction to Estimation Theory  Document [PDF].

DAO Office Note 96-25: Takacs, L., 1996. A Simple Bias Correction Algorithm for use in Data Assimilation  Document [PDF].

DAO Office Note 96-24: Park, C-K., et al., 1996. Moonsoon Rainfall in the GEOS-1 Assimilation: Sensitivity to Input Data  Document [PDF].

DAO Office Note 1996-20: Sienkiewicz, M., 2000. Evaluation of RTTOV and GLA TOVS forward model and Jacobian  Document [PDF].

DAO Office Note 96-19: Trenholme, A., 1996. GEOS-3/DAS Quality Control Requirements - Document Version 1.0  *Document not available*.

DAO Office Note 96-18: Dee, D., et al., 1996. Data assimilation in the presence of forecast bias  Document [PDF].

DAO Office Note 96-17: Min, W. and Schubert, S., 1996. A Summary of Precipitation Statistics over the United States  *Document not available*.

DAO Office Note 96-16: Stobie, J., 1996. A Summary of Precipitation Statistics over the United States  *Document not available*.

DAO Office Note 96-15: Dee, D., et al., 1996. GEOS/DAS Quality Control Strategy Document Version 1.1  Document [PDF].

DAO Office Note 96-14: da Silva, A., et al., 1996. Requirements for DAO's On-Line Monitoring System (DOLMS) Version 1.00  Document [PDF].

DAO Office Note 96-13: Joiner, J., et al., 1996. New Data Types Working Document  Document [PDF]

DAO Office Note 96-12: daSilva, 1996. A Climatological Atlas of the Bermuda High from the GEOS-1 Multi-year Assimilation (Summers of 1985-93)   *Document not available*.

DAO Office Note 96-11: da Silva, A., et al., 1996. On-line Estimation and Correction of Forecast Error Bias for Data Assimilation  *Document not available*.

DAO Office Note 96-08: Sienkiewicz, M., 1996. The GLA TOVS Rapid Algorithm Forward Radiance Modules and Jacobian Version 1.0  Document [PDF].

DAO Office Note 96-07: Yong, L., et al., 1996. A Study on Assimilating Potential Vorticity Data  Document [PDF].

DAO Office Note 96-06: da Silva, A., and Joiner, J., 1996. Efficient Methods to Assimilate Satellite Retrievals Based on Information Content  *Document not available*.

DAO Office Note 96-05: da Silva, A., et al., 1996. Documentation of the Multi-year GEOS-1  Document [PDF].

DAO Office Note 96-04: Pfaendtner, J., 1996. Notes on the Icosahedral Domain Decomposition in PSAS  *Document not available*.

DAO Office Note 96-03R1: Gaspari, G., et al., 1996. Construction of Correlation Functions in Two and Three Dimensions  Document [PDF].

DAO Office Note 96-02: da Silva, A., et al., 1996. Documentation of the Physical-space Statistical Analysis System (PSAS) Part I: The Conjugate Gradient Solver Version PSAS-1.00  Document [PDF].

DAO Office Note 96-01: da Silva, A., 1996. Documentation of South American Time-series Files for the Multi-year GEOS-1 Assimilation  Document [PDF].

DAO Office Note 95-01: da Silva, A., et al., 1995. Documentation of the GEOS/DAS Observation Data Stream (ODS) Version 1.01  Document [PDF].

This is a repository of presentations from scientific conferences and workshops which list GMAO staff members as lead or co-authors. They summarize research in poster form and were displayed to share results with the conference participants. Please note that this collection is not comprehensive.

2019 POSTERS

☆ AGU 2019 Fall Meeting, San Francisco    12/09/2019 - 12/13/2019

Arnold, Nathan, Controls on the vertical profile of moistening as a function of precipitation rate

Arnold, Nathan, Evaluation of GEOS total cloud fraction with GLOBE citizen science observations and co-located satellite data

Barahona, Donifan, Effects of volcanic emissions on clouds during Kilauea degassing events

Bosilovich, Michael, El Niño Related Tropical Land Surface Water and Energy Response in MERRA-2

Castellanos, Patricia, Observing System Simulation Experiment for a Multi-Angle Polarimeter

Coy, Lawrence, Global Assimilation of Loon Stratospheric Balloon Observations and their Trajectories Relative to Tropical Waves

Cullather, Richard, Arctic Cloud Radiative Forcing in Contemporary Atmospheric Reanalyses

Molod, Andrea, Near Real-Time Sub/Seasonal Prediction of Aerosol and Air Quality at the NASA Global Modeling and Assimilation Office

Molod, Andrea, Impacts of the Mount Pinatubo eruption on ENSO in the GEOS seasonal-to-subseasonal forecasting system

☆ OceanObs19, Honolulu, Hawaii    09/16/2019 - 09/20/2019

Akella, Santha, Coupled Data Assimilation and future observational requirements

Borovikov, Anna, GEOS seasonal forecast systems: ENSO prediction skill and biases. Two system versions, two time periods.

Hackert, Eric, Observing System Experiments for Evaluating the Impact of Satellite Sea Surface Salinity on Seasonal Predictions from the GMAO S2S System

Hackert, Eric, Assessment of Sea Surface Salinity Products Using a Coupled ENSO Prediction Model

☆ 2019 AMS Annual Meeting, Phoenix    01/06/2019 - 01/10/2019

Collow, Allison, Large-Scale Influences on Atmospheric River Induced Extreme Precipitation Events Impacting the Coast of the State of Washington

Freire, J, Evaluation of the impacts of biomass burning aerosols on the NASA GEOS Sub-Seasonal Climate Forecasts

Freitas, Saulo, Including a cold pool representation in a convection parameterization and simulating its impacts on the spatial and temporal variability of the precipitation in the NASA GEOS GCM

Lee, Eunjee, Capturing connections between the water, energy, and carbon cycles with the NASA GEOS

Moradi, Isaac, CRTM Support to GMAO: Validation and Coefficient Generation

Wargan, Krzysztof, Long-term ozone variability and trends from reanalyses: can it be done?

NASA TECHNICAL PUBLICATIONS

da Silva, Arlindo, Hal Maring, Felix Seidel, Michael Behrenfeld, Richard Ferrare, and Gerald Mace, 2020. Aerosol, Cloud, Ecosystems (ACE) Final Study Report. NASA/TP-20205007337. Document (6669 kb)

SELECTED TECHNICAL PUBLICATIONS

Montzka, Carsten, M. Cosh, B. Bayat, A. Al Bitar, A. Berg, R. Bindlish, H. R. Bogena, J. D. Bolten, F. Cabot, T. Caldwell, S. Chan, A. Colliander, W. Crow, N. Das, G. De Lannoy, W. Dorigo, S. R. Evett, A. Gruber, S. Hahn, T. Jagdhuber, S. Jones, Y. Kerr, S. Kim, C. Koyama, M. Kurum, E. Lopez-Baeza, F. Mattia, K. McColl, S. Mecklenburg, B. Mohanty, P. O'Neill, D. Or, T. Pellarin, G. P. Petropoulos, M. Piles, R. H. Reichle, N. Rodriguez-Fernandez, C. Rüdiger, T. Scanlon, R. C. Schwartz, D. Spengler, P. Srivastava, S. Suman, R. van der Schalie, W. Wagner, U. Wegmüller, J.-P. Wigneron, F. Camacho, and J. Nickeson, 2020. Soil Moisture Product Validation Good Practices Protocol. Land Product Validation Subgroup (WGCV/CEOS).

BOOKS

Wang, H., S. D. Schubert, and R. D. Koster 2017. North American Drought and Links to Northern Eurasia: The Role of Stationary Rossby Waves. In Patterns of Climate Extremes: Trends and Mechanisms. S. Wang, J. Yoon, C. Funk, R. Gillies, Eds. Wiley, 195-221. DOI: 10.1002/9781119068020.ch12.

De Lannoy, G. J. M., P. de Rosnay, and R. H. Reichle (2016), Soil Moisture Data Assimilation, in Handbook of Hydrometeorological Ensemble Forecasting, edited by Q. Duan, F. Pappenberger, J. Thielen, A. Wood, H. L. Cloke, and J. C. Schaake, Springer Verlag, 1-43, Springer Verlag, New York, doi:10.1007/978-3-642-40457-3_32-1.

Bosilovich, M. G., J. Kennedy, D. Dee, R. Allan and A. O.Neill, 2013. On the Reprocessing and Reanalysis of Observations for Climate in Climate Science for Serving Society: Research, Model and Prediction Priorities. G. Asrar and J. Hurrell, Eds. Springer, 51-71. ISBN 978-94-007-6691-4.

Schubert, S. D., Y-K. Lim, 2013. Climate variability and weather extremes: model-simulated and historical data Chapter 9 in Extremes in a changing climate — detection, analysys & uncertainty. Eds. A. AghaKouchak, D. Easterling, K. Hsu, S. Schubert, S. Sorooshian, Springer. ISBN 978-94-007-4478-3

Cohn, S.E., 2010. The Principle of Energetic Consistency in Data Assimilation. Chapter 7 in Data Assimilation: Making Sense of Observations, Eds. W. Lahoz, B. Khattatov and R. Menard, Springer. DOI: 10.1007/978-3-540-74703-1

Rood, R.B., M. G. Bosilovich, 2010. Reanalysis: Data Assimilation for Scientific Investigation of Climate, in Data Assimilation: Making sense of observations, Eds. W. A. Lahoz, B. Khattotov and R. Menard, Springer. DOI: 10.1007/978-3-540-74703-1

Reichle, R. H., M. G. Bosilovich, W. T. Crow, R. D. Koster, S. V. Kumar, S. P. P. Mahanama, and B. F. Zaitchik, 2009. Recent Advances in Land Data Assimilation at the NASA Global Modeling and Assimilation Office, Chapter 21 of Data Assimilation for Atmospheric, Oceanic, and Hydrologic Applications,ed. S.-K. Park, Springer. DOI: 10.1007/978-3-540-71056-1, Chapter 21

Cohn, S.E., 2008. Energetic Consistency and Coupling of the Mean and Covariance Dynamics. Chapter 16 in Handbook of Numerical Analysis, Vol. XIV, Ed. P.G. Ciarlet, Special Volume: Computational Methods for the Atmosphere and the Oceans, Guest Eds. R. Temam and J. Tribbia, Elsevier. ISBN: 978-0-444-51893-4

CONFERENCES AND WORKSHOP PROCEEDINGS

Reichle, R., G. De Lannoy, Q. Liu, and J. Ardizzone, 2016. SMAP Data Assimilation at the GMAO. Joint Center for Satellite Data Assimilation (JCSDA) Quarterly, 53.  Link to Published Version

Zeng, X., S. Acherman, R.D. Ferraro, J.J. Murray, S. Pawson, C. Reynolds, and J. Teixiera, 2015. Workshop Report on Scientific Challenges and Opportunities in the NASA Weather Focus Area. NASA Weather Focus Area Workshop, April 2015.  Link to Published Version

Bosilovich, M. G., M. Rixen, P. van Oevelen, G. Asrar, G. Compo, K. Onogi, A. Simmons, K. Trenberth, D. Behringer, T. Hossain Bhuiyan, S. Capps, A. Chaudhuri, J. Chen, L. Chen, N. Colasacco-Thumm, M. G. Escobar, C. R. Ferguson, T. Ishibashi, M. L. R. Liberato, J. Meng, A. Molod, and co-authors, 2012. Report of the 4th World Climate Research Programme International Conference on Reanalyses. 4th World Climate Research Programme International Conference on Reanalyses, Silver Spring, Maryland, 7-11 May 2012.  Link to Published Version

Schubert, S.D., I.-S. Kang, F. Kucharski, and J. Shukla, 2009. Summary Report of the Workshop on High-Resolution Climate Modeling.. Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy, 10-14 August 2009. Document (161 kb)

Schubert, S., D. Dee, S. Uppala, J. Woollen, J. Bates, and S. Worley, 2006. Report of the Workshop on "The Development of Improved Observational Data Sets for Reanalysis: Lessons Learned and Future Directions". University of Maryland Conference Center, College Park, MD, 28-29 September 2005. Document (236 kb)

Schubert, S., 2005. Summary Report of the Workshop on: Observational and Modeling Requirements for Predicting Drought on Seasonal to Decadal Time Scales. University of Maryland Inn and Conference Center, Adelphi, MD, 17-19 May 2005. Document (229 kb)