Spatially estimating flooding depths from damage reports

Liv Haselbach (), Mubarak Adesina (), Nayana Muppavarapu () and Xing Wu ()
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Liv Haselbach: Lamar University
Mubarak Adesina: Lamar University
Nayana Muppavarapu: Lamar University
Xing Wu: Lamar University

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2023, vol. 117, issue 2, No 18, 1633-1645

Abstract: Abstract It is important that a sustainable community better prepare for and design mitigation processes for major flooding events, particularly as the climate is non-stationary. In recent years, there have been major storm events in the USA with record amounts of rainfall that some refer to as stalled storms. These stalled storms frequently result in flooding of urban areas which are not subject to riverine or storm surge flooding. This research focuses on using flood damage reports in conjunction with contour maps, geographical information systems, Light Detection and Ranging (LiDAR) data, photographs, and spatial averaging to develop total (high) flood elevation data sets for two neighborhoods for Tropical Storm Imelda in Beaumont, Texas. When various sources of data such as insurance or Federal Emergency Management Agency damage reports, updated LiDAR elevation sets, and coordination data are readily available, this may be an economical method of estimating maximum flood elevations. High-water marks are frequently collected by various agencies as soon as possible after a flooding event, but these data sets might provide even additional information and validation many months or years post an event.

Keywords: Flood depth; First floor elevation; Flood damage; Stalled storms (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s11069-023-05921-2

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