PUBLICATIONS

REFEREED PUBLICATIONS - Submitted

Ahn, D.Y., J. R. Hansford, S. T. Howe, X. R. Ren , R. J. Salawitch, N. Zeng, M. D. Cohen, B. Stunder, O. E. Salmon, P. B. Shepson, K. R. Gurney, T. Oda, I. Lopez-Coto, J. Whetstone, and R. R. Dickerson, 2019. Fluxes of Atmospheric Greenhouse-Gases in Maryland (FLAGG-MD): Emissions of Carbon Dioxide in the Baltimore, MD-Washington, DC area. J. Geophys. Res - Atmos..

Barahona, D., 2017. A Theory of Heterogeneous Ice Nucleation in the Immersion Mode. Atmos. Chem. Phys..

Barahona, D., 2019. Bias-Free Estimation of Ice Nucleation Efficiencies. Geophys. Res. Lett..

Barlow, M., W. J. Gutowski Jr., J. R. Gyakum, R. W. Katz, Y.-K. Lim, R.S. Schumacher, M. F. Wehner, L. Agel, M. Bosilovich, A. Collow, A. Gershunov, R. Grotjahn, R. Leung, S. Milrad, and S.-K. Min, 2019. North American extreme precipitation events and related Large-Scale Meteorological Patterns: a review of statistical methods, dynamics, modeling, and trends. Clim. Dyn..

Bechtold, M., G. De Lannoy, R. H. Reichle, D. Roose, N. Balliston, I. Burdun, K. Devito, J. Kurbatova, T. Munir, and E. Zarov, 2019. Improved Groundwater Table and L-band Brightness Temperature Estimates for Northern Hemisphere Peatlands Using New Model Physics and SMOS Observations in a Global Data Assimilation Framework. Remot Sens. Environ..

Carlson, D., and T. Oda, 2018. Data Publication: ESSD Goals, Practices and Recommendations. Earth Sys. Sci. Data.

Carvalho, D., and W. R. McCarty, 2018. NASA's GMAO atmospheric motion vectors simulator: description and validation. J. Atmos. Ocean. Tech..

Carvalho, D., 2019. An assessment of NASA's GMAO MERRA-2 reanalysis surface winds. J. Clim..

Carvalho, D., R. M. Errico, M. G. Bosilovich, N. C. Prive, and A. El Akkraoui, 2019. On the convergence of reanalysis produced by different data assimilation streams: a case study with MERRA-2. J. Climate.

Casey, K. A., C. S. Rousseaux, W. W. Gregg, E. Boss, A. P. Chase, S. E. Craig, C. B. Mouw, R. A. Reynolds, D. Stramski, S. G. Ackleson, A. Bricaud, B. Schaeffer, M. R. Lewis, and S. Maritorena, 2019. A global compilation of in situ aquatic high spectral resolution inherent and apparent optical property data for remote sensing applications. Earth Syst. Sci. Data.

Chattopadhyay, M., W. McCarty, and I. Moradi, 2019. Assessing Sensitivity of MERRA-2 to AMSU-A in Upper Stratosphere. J. Climate.

Collow, A. B. M., R. I. Cullather, and M. G. Bosilovich, 2019. Recent Arctic Ocean Near-surface Air Temperatures in Atmospheric Reanalyses and Numerical Simulations. J. Climate.

Collow, A. B. M., H. Mersiovsky, and M. G. Bosilovich, 2019. Large-Scale Influences on Atmospheric River Induced Extreme Precipitation Events Along the Coast of Washington State. J. Hydrometeor..

Cong, R., T. Oda, M. Saito, T. Fukui, R. Hirata, and A. Ito, 2019. A high-resolution, spatially explicit estimate of fossil-fuel CO2 emissions from the Tokyo Metropolitan Area, Japan. Carbon Balance and Management.

Crowell, S., D. Baker, A. Schuh, S. Basu, A. R. Jacobson, F. Chevallier, J. Liu, F. Deng,L. Feng, K. McKain, A. Chatterjee, J. B. Miller, B. B. Shephens, A. Eldering, D. Crisp, D. Schimel, R. Nassar, C. W. O'Dell, T. Oda, C. Sweeny, P. I. Palmer, and D. B. A. Jones, 2019. The 2015-2016 Carbon Cycle As Seen from OCO-2 and the Global In Situ Network. Atmo. Chem. Phys..

DeAngelis, A., H. Wang, R. Koster, S. Schubert, Y. Chang, and J. Marshak, 2020. Prediction skill of the 2012 U.S. Great Plains flash drought in Subseasonal Experiment (SubX) models. J. Climate.

Dezfuli, A., M. G. Bosilovich, and C. M. Ichoku, 2018. Rainfall decline in southern West Africa driven by smoke and dust transport. Nature.

Dezfuli, A., 2019. Rare atmospheric river caused record floods across the Middle East. Bull. Amer. Meteor. Soc..

Diniz, R. L. R., and R. Todling, 2019. Assessing the impact of observations in a multi-year Reanalysis. Q. J. Roy. Meteor. Soc..

Diniz, F. L. R., R. Todling and D. L. Herdies, 2019. A brief assessment of the impact of nearly 40 years of assimilated observations over the Amazon basin. J. Geophys. Res. Atmos..

Dong, J., W. T. Crow, and R. H. Reichle, 2019. Estimating and improving the rain/no-rain detection skill of remotely sensed and reanalyzed precipitation products. Remote Sensing of Environment.

Errico, R. M., D. Carvalho, N. C. Prive, and M. Sienkiewicz, 2019. Simulation of atmospheric motion vectors for an observing system simulation experiment. J. Atmos. Ocean Tech..

Feng, S., T. Lauvaux, K. Keller, K. J. Davis, P. Rayner, T. Oda, and K. R. Gurney, 2019. A road map for improving the treatment of uncertainties in high-resolution regional carbon flux inverse estimates. Geophys. Res. Lett..

Gentemann, C. L., J. P. Scott, P. L. F. Mazzini, C. Pianca, S. Akella, P. J. Minnett, P. Cornillon, B. Fox-Kemper, I. Cetinic, T. M. Chin, J. Gomez-Valdes, J. Vazquez-Cuervo, V. Tsontos, L. Yu, R. Jenkins, S. De Halleux, D. Peacock, and N. Cohen, 2019. Saildrone: adaptively sampling the marine environment. Bull. Amer. Meteor. Soc..

Gruber, A., G. De Lannoy, C. Albergel, A. Al-Yaari, L. Brocca, J.-C. Calvet, A. Colliander, M. Cosh, W. Crow, W. Dorigo, C. Draper, M. Hirschi, Y. Kerr, A. Konings, W. Lahoz, C. McColl, C. Montzka, J. Munoz Sabater, J. Peng, R. Reichle, P. Richaume, C. Rudiger, T. M. Scanlon, R. van der Schalie, and W. Wagner, 2019. Validation practices for satellite soil moisture products: What are (the) errors?. Remote Sens. Environ..

Hackert, E., R. M. Kovach, A. Molod, G. Vernieres, A. Borovikov, J. Marshak, and Y. Chang, 2019. Satellite Sea Surface Salinity Observations Impact on El Nińo/Southern Oscillation Predictions: Case Studies from the NASA GEOS Seasonal Forecast System. J. Geophys. Res. - Ocean.

Han, P., N. Zeng, T. Oda, X. Lin, M. Crippa, D. Guan, G. Janssens-Maenhout, X. Ma, Z. Liu, Y. Shan, S. Tao, H. Wang, R. Wang, L. Wu, X. Yun, Q. Zhang, F. Zhao, and B. Zheng, 2019. Evaluating China's fossil-fuel CO2 emissions from a comprehensive dataset of nine inventories. Enviro. Sci. Tech..

Kim, M.-J., J. Jin, A. El Akkraoui, W. McCarty, R. Todling, W. Gu, and R. Gelaro, 2019. The Framework for Assimilating All-Sky GPM Microwave Imager Brightness Temperature Data in the NASA GEOS Data Assimilation System. Mon. Weather Rev..

Kim, H., M.-I. Lee, S. Kim, Y.-K. Lim, S. D. Schubert, and A. M. Molod, 2019. Representation of tropical storms by the Modern-Era Retrospective Analysis for Research and Applications version 2. Asia-Pac. J. Atmos. Sci..

Lee, E., F.-W. Zeng, R. D. Koster, L. E. Ott, S. Mahanama, B. Weir, B. Poulter, and T. Oda, 2020. Impact of a regional US drought on land and atmospheric carbon. J. Geophys. Res. - Biogeo..

Li, Z, Y. Luo, N. Arnold, and E. Tziperman, 2019. Reductions in Strong Upwelling-Favorable Wind Events in the Pliocene. Paleoceanography and Paleoclimatology.

Lim, Y.-K., S. D. Schubert, Y. Chang, and H. Wang, 2019. The Boreal Winter El Nińo Precipitation Response over North America: Insights into why January is more difficult to predict than February. J. Climate.

Madani, N., J. S. Kimball, N. C. Parazoo, A. P. Ballantyne, T. Tagesson, L. A. Jones, R. H. Reichle, P. I. Palmer, I. Velicogna, A. A. Bloom, S. Saatchi, Z. Liu, and G.A, 2019. Groundwater moderates the response of African forests to drought. Environ. Res. Lett..

Martin, C. R., N. Zeng, A. Karion, K. Mueller, S. Ghosh, I. Lopez-Coto, K. R. Gurney, T. Oda, K. Prasad, Y. Liu, R. R. Dickerson, and J. Whetstone, 2018. Evaluation of WRF-Chem Simulated Carbon Dioxide Atmospheric Transport and Emissions in the Baltimore-Washington Metropolitan Area. J. Geophys. Res. - Atmos..

Molod, A., E. Hackert, Y. Vikhliaev, B. Zhao, D. Barahona, G. Vernieres, A. Borovikov, R. M. Kovach, J. Marshak, S. Schubert, Z. Li, Y.-K. Lim, L. C. Andrews, R. Cullather, R. Koster, D. Achuthavarier, J. Carton, L. Coy, J. L. M. Freire, K. M. Longo, K. Nakada, and S. Pawson, 2019. GEOS-S2S Version 2: The GMAO High Resolution Coupled Model and Assimilation System for Seasonal Prediction. J. Geophy. Res. - Atmos..

Moradi, I., F. Evans, W. McCarty, and M. Cordeero-Fuentes, 2019. Assimilating microwave cloudy observations in the rainband of hurricanes into NASA GEOS model. JCSDA Quart..

Moradi, I., F. Evans, W. McCarty, M. Cordero-Fuentes, and R. Gelaro, 2019. Assimilation of microwave observations over the rainbands of tropical cyclones. Monthly Weather Review.

Oda, T., R. Bun, V. Kinakh, P. Toplko, M. Haluschchak, G. Marland, T. Lauvaux, M. Jonas, S. Maksyutov, Z. Nahorski, M. Lesive, O. Danylo, and J. Horabik-Pyzel, 2019. Assessing errors and uncertainties in a global high-resolution gridded fossil fuel carbon dioxide emission inventory: Implications for the use of spatially-explicit emissions in transport model simulations, top-down emission. Mitig. Adapt. Strat. Gl..

Park, J., B. Forman, S. Tarik, R. H. Reichle, and G. De Lannoy, 2019. Evaluation of GEOS L-Band Microwave Brightness Temperature using Aquarius Observations over Non-Frozen Land across North America. J. Hydrometeorology.

Schubert, S. D., D. Gutzler, T. Delworth, and R. D. Koster, 2018. The US CLIVAR Drought Working Group. US-CLIVAR Variations.

Shinozuka, Y., P. E. Saide, G. A. Ferrada, S. P. Burton, R. Ferrare, S. J. Doherty, H. Gordon, K. Longo, M. Mallet, Y. Feng, Q. Wang, Y. Cheng, A. Dobracki, S. Freitag, S. G. Howell, S. LeBlanc, C. Flynn, M. Seagl-Rosenhaimer, K. Pistone, J. R. Podolske, E. J. Stith, J. R. Bennett, G. R. Carmichael, A. da Silva, R. Govindaraju, R. Leung, Y. Zhang, L. Pfister, J.-M. Ryoo, J. Redemann, R. Wood, and P. Zuidema, 2019. Modeling the smoky troposphere of the southeast Atlantic: a comparison to ORACLES airborne observations from September of 2016. Atmo. Chem. Phys..

Stanfield, R. E., H. Su, J. H. Jiang, S. R. Freitas, A. M. Molod, Z. J. Luo, L. Huang, and M. Luo, 2019. Convective entrainment rates estimated from Aura CO and CloudSat/CALIPSO observations and comparison with GEOS-5. J. Geophys. Res. - Atmo. .

Stevens, B., M. Satoh, L. Auger, J. Biercamp, C. S. Bretherton, X. Chen, P. Duben, F. Judt, M. Khairoutdinov, D. Klocke, C. Kodama, L. Kornblueh, S.-J. Lin, W. M. Putman, R. Shibuya, P. Neumann, N. Rober, B. Vanniere, P.-L. Vidale, N. Wediand, and L. Zhou, 2019. DYAMOND: The DYnamics of the Atmospheric general circulation Modeled On Non-hydrostatic Domains. Prog. Earth Plan. Sci..

Stockwell, W. R., E. Saunders, W. S. Goliff, and R. M. Fitzgerald, 2019. The State-of-Science in Gas-Phase Chemical Mechanism Development for Air Quality Modeling: Past, Present and Future. J. Air Waste Ma..

Strobach, E., A. Molod, A. Trayanov, G. Forget, J.-M. Campin, C. Hill, and D. Menemenlis, 2019. Three-to-Six-Day Air-Sea Oscillation in Models and Observations. Geophys. Res. Lett..

Tegtmeier, S., J. Anstey, S. Davis, R. Dragani, Y. Harada, I. Ivanciu, R. P. Kedzierski, K. Kruger, B. Legras, C. Long, J. S. Wang, K. Wargan, and J. S. Wright, 2019. The tropical tropopause layer in reanalysis data sets. Atmos. Chem. Phys..

Teixeira, P. R., S. R. Freitas, F. W. Correa, and A. O. Manzi, 2018. Development of a bottom-up vehicular emission inventories for the urban area of Manaus in central Amazon rainforest.. Geosci Model Dev.

Trabachino, L. C., M. A. Miller, and A. B. Marquardt Collow, 2018. Connections between Rainfall and Observed and Climate-Model-Simulated Meteorological Properties at Seasonal Time Scales over the West African Sahel . J. Climate.

Ukhov, A., S. Mostamandi, J. Flemming, A. da Silva, I. Shevchenko, A. Alshehri, and G. Stenchikov, 2019. Assessment of natural and anthropogenic aerosol pollution in the Middle East using MERRA-2, CAMS data assimilation products and high-resolution WRF-Chem model. J. Geophys. Res. - Atmos..

Waliser, D., P. J. Gleckler, R. Ferraro, K. E. Taylor, S. Ames, J. Biard, M.G. Bosilovich, O. Brown, H. Chepfer, L. Cinquini, P. Durack, V. Erying, P.-P. Mathieu, T. Lee, S. Pinock, G. L. Potter, M. Rixen, R. Saunders, J. Schulz, J.-N. Thepaut, and M. Tuma, 2019. Quantifying the Impact of Atmospheric Transport Uncertainty on CO2 Surface Flux Estimates. Geosci. Model Dev..

Wargan, K., N. Kramarova, B. Weir, S. Pawson, and S. Davis, 2019. Towards a reanalysis of stratospheric ozone for trend studies: Assimilation of the Aura Microwave Limb Sounder and Ozone Mapping and Profiler Suite Limb Profiler data. J. Geophys. Res. - Atmos..

Xiao, M., S. P. Mahanama, Y. Xue, F. Chen, and D. P. Lettenmaier, 2019. Snow Ablation over the Western United States Mountains: Patterns and Controlling Factors. J. Hydrometeor..

Yang, K., A. Sommers, L. C. Anderews, L. C. Smith, X. Lu, X, Fettweis, and M. Li, 2020. Inter-comparison of surface meltwater routing models for the Greenland Ice Sheet and influence on subglacial effective pressures. Cryoshere.

Ye, X., T. Lauvaux, E. A. Kort, T. Oda, S. Feng, J. C. Lin, E. Yang, D. Wu, 2017. Constraining fossil fuel CO2 emissions from urban area using OCO-2 observations of total column CO2.. Atmo. Chem. Phys.

Ye, X., T. Lauvaux, E. A. Kort, T. Oda, S. Feng, J. C. Lin, E. Yang, and D. Wu, 2019. Constraining fossil fuel CO2 emissions from urban area using OCO-2 observations of total column CO2. J. Geophys Res. - Atmos..

TECHNICAL MEMORANDA

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. 17 (Version 1.0): Knowland, K. Emma, 2019. File Specification for GEOS-CF Products  Document [PDF].

GMAO Office Note No. 16 (Version 1.0): Nakada, K., 2018. S2S-2_1: File Specification  Document [PDF].

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

GMAO Office Note No. 14 (Version 1.0): Putman, W., 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., 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., 2016. Soil Moisture Active Passive Mission L4_SM Data Product Assessment (Version 2 Validated Release)  Document [PDF].

GMAO Office Note No. 11 (Version 2.0): Glassy, J., 2016. Soil Moisture Active Passive (SMAP) Mission Level 4 Carbon (L4_C) Product Specification Document  Document [PDF]. See also Version 1.9 (2015).

GMAO Office Note No. 10 (Version 1.5): Reichle, R. H., 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., 2015. MERRA-2: File Specification  Document [PDF].

GMAO Office Note No. 8 (Version 1.0): Kouatchou, J., 2015. GEOS-5 Chemistry Transport Model User's Guide  Document [PDF].

GMAO Office Note No. 7 (Version 1.0): da Silva, A. M., 2015. File Specification for the MERRA Aerosol Reanalysis (MERRAero)  Document [PDF].

GMAO Office Note No. 6: da Silva, A.M., 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., 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: Lucchesi, R., 2013. File Specification for GEOS-5 FP (Forward Processing)  Document [PDF].

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 not Available *.

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 1998-008: 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 97-12: Dee, D., et al., 1997. Maximum-likelihood estimation of forecast and observation error covariance parameters  Document [PDF].

DAO Office Note 97-10: Min, W., et al., 1997. The Climate Signal in Regional Moisture Fluxes: A Comparison of Three Global Data Assimilation Products  NTRS 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 97-04: 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 96-18: Dee, D., et al., 1996. Data assimilation in the presence of forecast bias  Document [PDF].

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 96-08: 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 96-05: da Silva, A., et al., 1996. Documentation of the Multi-year GEOS-1  Document [PDF].

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

— Pending —

☆ 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

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

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

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

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

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)