Hydrologic evaluation of the global precipitation measurement mission over the U.S.: Flood peak discharge and duration

Woods, Devon; Kirstetter, Pierre-Emmanuel; Vergara, Humberto; Duarte, Jorge A.; Basara, Jeffrey

doi:10.1016/j.jhydrol.2023.129124

i

Hydrologic evaluation of the global precipitation measurement mission over the U.S.: Flood peak discharge and duration

2023
By Woods, Devon ; Kirstetter, Pierre-Emmanuel ; Vergara, Humberto ; ...

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Journal Title:

Journal of Hydrology
Personal Author:

Woods, Devon ; Kirstetter, Pierre-Emmanuel ; Vergara, Humberto ; Duarte, Jorge A. ; Basara, Jeffrey
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CIWRO (Cooperative Institute for Severe and High-Impact Weather Research and Operations) ; NSSL (National Severe Storms Laboratory)
Description:

In recent years, a great amount of research has been done towards evaluating precipitation data generated by satellites, but less has focused on how these estimates and their uncertainties manifest further into the water cycle. In this study, ten years of satellite-based and ground-based radar data are used as forcings for a distributed hydrologic model across the Continental United States. They are compared using a methodology designed to assess the flood signals and characteristics generated by the model. By focusing on how well the model reproduces flood characteristics rather than fits traditional bulk statistics, this research provides robust insights into satellite precipitation deficiencies. It is found that satellite data has greater success at resolving lower magnitude flood events while tending to generate floods of longer durations. Additionally, flood managers should note that satellites tend to generate floods that characteristically both begin earlier and end later than the ground radar reference. Subsequent research is recommended into other satellite data products in order to better understand these discrepancies and mitigate or plan for them in the future.
Source:

Journal of Hydrology, 617, 129124
DOI:

https://doi.org/10.1016/j.jhydrol.2023.129124
ISSN:

0022-1694
Format:

pdf
Publisher:

Elsevier BV
Document Type:

Journal Article-Accepted Manuscript
Funding:

Grant no. NA20OAR4590354
License:

https://creativecommons.org/licenses/by-nc-nd/4.0/
Rights Information:

CC BY-NC-ND
Rights Statement:

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Library
Main Document Checksum:

urn:sha-512:a3249078a32f51a57aac83918475ea96fca7066ceedd2e0c04e9816ef1e8ab7bb900656ab472bb30476d832adf96fc8a8a2021e1cada351e4d9d189be9d2ed56
Download URL:

https://repository.library.noaa.gov/view/noaa/67896/noaa_67896_DS1.pdf
File Type:

[PDF - 1.16 MB ]

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