Ensemble Data Assimilation of the Martian Atmosphere Using Temperature and Radiance Data from the Thermal Emission Spectrometer

Details Ensemble Data Assimilation of the Martian Atmosphere Using Temperature and Radiance Data from the Thermal Emission Spectrometer Ensemble Data Assimilation of the Martian Atmosphere Using Temperature and Radiance Data from the Thermal Emission Spectrometer

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010dps....42.3009l&link_type=abstract

American Astronomical Society, DPS meeting #42, #30.09; Bulletin of the American Astronomical Society, Vol. 42, p.1029

Astronomy and Astrophysics

Astronomy

Scientific paper

Observations from the Thermal Emission Spectrometer (TES) aboard the Mars Global Surveyor (MGS) are being used to constrain the evolution of a General Circulation Model of the Martian atmosphere, MarsWRF, using an ensemble Kalman filter data assimilation framework, DART. We describe the setup of MarsWRF to allow its use within the data assimilation framework, including accurate positioning of TES observations and evolution of multiple perturbed states within DART. Details of the interface between MarsWRF and DART are given and data requirements for future assimilation work is outlined. We describe the TES observations being ingested by the data assimilation process and outline the radiance forward model being used to simulate upwelling radiances. We assimilate TES retrieved temperatures and calibrated radiances using DART and compare the resulting simulations.

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