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The second NASA Earth Venture Mission, Geostationary Carbon Cycle Observatory (GeoCarb), will provide measurements of the concentration of atmospheric carbon dioxide (CO2), methane (CH4), carbon monoxide (CO), and solar-induced fluorescence (SIF) from Geostationary Orbit (GEO). The GeoCarb Mission will deliver daily maps of column concentrations of CO2, CH4, and CO over the the Americas between 50ºN and 50ºS at a spatial resolution of roughly 30 km2. This daily revisit at moderate resolution is expected to significantly reduce the impacts of atmospheric transport uncertainty on flux estimates from top-down frameworks. As such, GeoCarb will contribute significantly to resolving anthropogenic carbon emissions as well as illuminating biotic processes that control land-atmosphere CO2 and CH4 fluxes at urban to regional to continental scales. This will provide the foundation for essential improvements in modeled biogeochemical processes in Earth System Models as well as monitor the response of the biosphere to disturbance, such as land-use change and weather and climate events. This is essential to improve understanding of the Carbon-Weather-Climate System. In this presentation, we will discuss mission technical progress including the state of expected data quality after initial testing and plans moving forward with integration and test and eventual launch. Additionally, we will discuss plans for how best to proceed in this brave new world of a true constellation of greenhouse gas sensors, including cross-calibration and use of the data for flux determination.
Topic : Theme 2: Strengthening the linkage of remote sensing GHG concentration measurements to emission fluxes.
Reference : T2-D8
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