The GMAO Research Site

The Global Modeling and Assimilation Office (GMAO) supports NASA's Earth Science mission. Activities in Earth System modeling and data assimilation aim to maximize the impact of satellite observations on analyses and predictions of the atmosphere, ocean, land and cryosphere.

Science Snapshots
Science Snapshot Archive »
Using Observations from NASA’s CAMP2Ex Campaign to Evaluate Smoke Optical Properties in GEOS thumbnail

Using Observations from NASA’s CAMP2Ex Campaign to Evaluate Smoke Optical Properties in GEOS

In the Fall of 2019, NASA’s P3 Orion aircraft participated in 19 research flights in the Philippines region aimed at observing the interaction of aerosols, clouds, and radiation within the atmosphere as part of the Cloud, Aerosol and Monsoon Processes Philippines Experiment (CAMP2Ex) field campaign.
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Stratospheric Circulation Changes Associated with the Hunga Tonga Hunga Ha'apai Eruption thumbnail

Stratospheric Circulation Changes Associated with the Hunga Tonga Hunga Ha'apai Eruption

The 15 January 2022 eruption of the Hunga Tonga-Hunga Ha'apai underwater volcano injected an unprecedented amount of water directly into the stratosphere. While the initial injection plume at 20°S reached to the upper stratosphere after three months.
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Dynamical Drivers of the Exceptional Warmth Over Siberia During the Spring of 2020 thumbnail

Dynamical Drivers of the Exceptional Warmth Over Siberia During the Spring of 2020

The extreme Siberian warmth can be attributed to persistent atmospheric ridging over northern Asia associated with Rossby wave trains originating from the North Atlantic (cf. panels a and b).
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Continental Patterns of Bird Migration Linked to Climate Variability thumbnail

Continental Patterns of Bird Migration Linked to Climate Variability

For ~100 years, for management purposes, the continental patterns of avian migration in North America have been described in the context of three or four primary flyways.
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