Environmental & Climate Sciences Department Seminar

"Broadband Radiometry during EarthCARE: An Improved Solar Radiance-to-Flux Conversion"

Presented by Florian Tornow, Freie Universitat Berlin

Thursday, September 5, 2019, 11:00 am — John Dunn Seminar Room, Bldg. 463

Outgoing radiative fluxes at top-of-atmosphere (TOA) are driven by the interaction of clouds, aerosols, and radiation. The upcoming EarthCARE mission aims to improve our understanding of this interaction and compares shortwave (SW) and longwave TOA fluxes from (1) radiative transfer simulations – acting on cloud and aerosol properties retrieved from onboard active and passive instruments – with (2) flux estimates based on broadband radiometer (BBR) measured radiances over horizontal domains of 10x10 km. To improve BBR-based TOA SW flux estimates, this talk explores a new approach that incorporates additional parameters (cloud-top effective radius and cloud-topped water vapor) and produces significantly different flux estimates when compared against state-of-the-art methodology.

Hosted by: Mike Jensen

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