Weather and climate analyses using improved global water vapor observations

The NASA Water Vapor Project (NVAP) dataset is a global (land and ocean) water vapor dataset created by merging multiple sources of atmospheric water vapor to form a global data base of total and layered precipitable water vapor. Under the NASA Making Earth Science Data Records for Research Environm...

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Veröffentlicht in:Geophysical research letters 2012-08, Vol.39 (15), p.n/a
Hauptverfasser: Vonder Haar, Thomas H., Bytheway, Janice L., Forsythe, John M.
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Sprache:eng
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Zusammenfassung:The NASA Water Vapor Project (NVAP) dataset is a global (land and ocean) water vapor dataset created by merging multiple sources of atmospheric water vapor to form a global data base of total and layered precipitable water vapor. Under the NASA Making Earth Science Data Records for Research Environments (MEaSUREs) program, NVAP is being reprocessed and extended, increasing its 14‐year coverage to include 22 years of data. The NVAP‐MEaSUREs (NVAP‐M) dataset is geared towards varied user needs, and biases in the original dataset caused by algorithm and input changes were removed. This is accomplished by relying on peer reviewed algorithms and producing the data in multiple “streams” to create products geared towards studies of both climate and weather. We briefly discuss the need for reprocessing and extension, steps taken to improve the product, and provide some early science results highlighting the improvements and potential scientific uses of NVAP‐M. Key Points The NVAP‐M dataset reprocesses and extends the existing NVAP dataset NVAP‐M provides three product types to suit varying user needs Science applications include variability on various spatial/temporal scales
ISSN:0094-8276
1944-8007
DOI:10.1029/2012GL052094