Advancing Earth’s Planetary Boundary Layer Sounding from Space Using Hyperspectral Microwave Measurements

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Advancing_Earths_Planetary_Boundary_Layer_Sounding_from_Space_Using_Hyperspectral_Microwave_Measurements.pdf (1.64 MB)

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https://ieeexplore.ieee.org/abstract/document/10282918

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https://doi.org/10.1109/IGARSS52108.2023.10282918
 http://hdl.handle.net/11603/31122

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UMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
UMBC Faculty Collection

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Author/Creator ORCID

https://orcid.org/0000-0002-7204-2512

Date

2023-10-20

Type of Work

conference papers and proceedings
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Citation of Original Publication

Gambacorta, Antonia, Jeffrey Piepmaier, Joseph Santanello, Mark Stephen, Isaac Moradi, Rachael Kroodsma, John Blaisdell, et al. “Advancing Earth’s Planetary Boundary Layer Sounding from Space Using Hyperspectral Microwave Measurements.” In IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium, 1321–24, 2023. https://doi.org/10.1109/IGARSS52108.2023.10282918.

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This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
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Abstract

We present a comprehensive Earth Planetary Boundary Layer temperature and water vapor retrieval improvement demonstration by the use of hyperspectral microwave measurements. Our results indicate that the use of a hyperspectral sampling in the oxygen and water vapor sounding lines alone provides significant improvements in the lower and free tropospheric thermodynamic fields (up to 40%), when compared against the program of record (i.e., the Advanced Technology Microwave Sounder, ATMS). Our experiments also demonstrate the essential role played by extending the coverage in the so called spectral window regions, leading to an overall PBL temperature and water vapor improvement of up to 50%.