National Aeronautics and Space Administration

GMAO had a strong presence at the Fall Meeting of the American Geophysical Union, which took place from December 15 to 19, 2015. About 20 staff traveled to San Francisco, where they made oral and poster presentations, as well as attended numerous project meetings. The following list shows presentations for which the principal author is from the GMAO:

• Nathan Arnold: "Statistics and Mechanisms of Convective Organization in a 7-km GEOS-5 Nature Run."
• Michael Bosilovich: "Large Scale Influences on Drought and Extreme Precipitation Events in the U.S."
• Donifan Barahona: "Estimation of the Vertical Velocity Leading to the Formation of Cirrus Using Ultra-High Resolution Global Simulations"
• Patricia Castellanos: "An instrument simulator for geostationary satellites"
• Abhishek Chatterjee: "Spatial and temporal variability of column-integrated CO₂: identifying drivers and variations from high-resolution model simulations and OCO-2 observations."
• Allison Collow : "The Seasonal Cycle of the Radiation Budget and Cloud Radiative Effect in the Amazon Rainforest of Brazil" and "Large Scale Influences on Drought and Extreme Precipitation Events in the United States."
• Thomas Clune: "SciDB versus Spark: A Preliminary Comparison Based on an Earth Science Use Case."
• Lawrence Coy: Structure and Dynamic of the Quasi-Biennial Oscillation in Re-Analysis Systems
• Richard Cullather: "Towards improving the representation of polar regions in global reanalyses at the NASA GMAO."
• Anton Darmenov: "Implication and Evaluation of the Modal (Aerosol Model (Mam7)."
• Manuela Girotto: "An Improved GRACE Terrestrial Water Storage Assimilation System for estimating large-scale soil moisture and shallow groundwater."
• Watson Gregg: "S-NPP VIIRS Ocean Color Data and Global Modeling: Extending the Time Series of Ocean Biology from Space."
• Daniel Holdaway: "Investigating troposphere-stratosphere coupling during the 2002 southern hemisphere sudden stratospheric warming using an adjoint model."
• Emma Knowland: "The Influence of the North Atlantic Oscillation on Tropospheric Distributions of Ozone and Carbon Monoxide."
• Randal Koster: "Soil Moisture in the Climate System."
• Randal Koster: "The Impact of Soil Moisture Anomalies on the General Circulation: A Comprehensive Analysis over North America."
• Gabrielle de Lannoy: "Assimilation of soil moisture retrievals or brightness temperature observations from SMOS and SMAP into the GEOS-5 land surface model."
• Gabrielle de Lannoy: "Evaluation of the SMAP Level 4 Surface and Root-Zone Soil Moisture Product."
• Young-Kwon Lim: "Atmospheric summer teleconnections and Greenland ice sheet surface mass variations: Insights from MERRA-2."
• Tomohiro Oda: "Mapping man-made CO₂ emissions using satellite-observed nightlights."
• Clara Orbe: "Transport from the Northern Hemisphere Midlatitude Surface: Relevance to Short-Lived Species."
• Steven Pawson: "Quantifying Diurnal and Spatial Variations in CO₂ Concentrations and Partial Columns Using High-Resolution Global Model Simulations."
• William Putman: "Global Downscaling of the 50-km MERRA 2 Reanalysis to 12.5-km with GEOS-5: Assessment."
• Rolf Reichle: "Soil Moisture Analysis in the SMAP Level 4 Data Product."
• Hailan Wang: "Warm Season Drought Development over North America: The Role of Stationary Rossby Waves."
• Krzysztof Wargan: "Evaluation of ozone fields in NASA’s MERRA-2 reanalysis."
• Brad Weir: "Inflation factors for satellite X_CO2 retrieval errors."

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