A comparison of TRMM to other basin-scale estimates of rainfall during the 1999 Hurricane Floyd flood

Scott Curtis (), Thomas Crawford and Scott Lecce

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2007, vol. 43, issue 2, 187-198

Abstract: The volumetric rainfall attributed to Hurricane Floyd in 1999 was computed for the bulk of the Tar, Neuse, and Cape Fear River Basins in eastern North Carolina, USA from the Tropical Rainfall Measuring Mission (TRMM) Multi-Satellite Precipitation Analysis (TMPA) research product, and compared with volumes computed using kriged gauge data and one centrally located radar. TMPA showed similar features in the band of heaviest rainfall with kriged and radar data, but was higher in the basin-scale integrations. Furthermore, Floyd’s direct runoff volumes were computed and divided by the volumetric rainfall estimates to give runoff coefficients for the three basins. The TMPA, having the larger storm totals, would suggest greater infiltration during Floyd than the gauge and radar estimates would. Finally, we discuss a concept for adjusting the United States Department of Agriculture Natural Resources Conservation Service rainfall-runoff model when predicting discharge values from real-time TMPA in ungauged river basins. Copyright Springer Science+Business Media, Inc. 2007

Keywords: TRMM; Hurricane Floyd; Rainfall; Flood; River basins; NRCS; Runoff coefficient; Satellite (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1007/s11069-006-9093-y

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