Exploring Jeddah Floods by Tropical Rainfall Measuring Mission Analysis

Estimating flash floods in arid regions is a challenge arising from the limited time preventing mitigation measures from being taken, which results in fatalities and property losses. Here, Tropical Rainfall Measuring Mission (TRMM) Multi Satellite Precipitation Analysis (TMPA) Real Time (RT) 3B2RT d...

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Main Author: Ahmet Emre Tekeli
Format: Article
Language:English
Published: MDPI AG 2017-08-01
Series:Water
Subjects:
Online Access:https://www.mdpi.com/2073-4441/9/8/612
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author Ahmet Emre Tekeli
author_facet Ahmet Emre Tekeli
author_sort Ahmet Emre Tekeli
collection DOAJ
description Estimating flash floods in arid regions is a challenge arising from the limited time preventing mitigation measures from being taken, which results in fatalities and property losses. Here, Tropical Rainfall Measuring Mission (TRMM) Multi Satellite Precipitation Analysis (TMPA) Real Time (RT) 3B2RT data are utilized in estimating floods that occurred over the city of Jeddah located in the western Kingdom of Saudi Arabia. During the 2000–2014 period, six floods that were effective on 19 days occurred in Jeddah. Three indices, constant threshold (CT), cumulative distribution functions (CDFs) and Jeddah flood index (JFI), were developed using 15-year 3-hourly 3B42RT. The CT calculated, as 10.37 mm/h, predicted flooding on 14 days, 6 of which coincided with actual flood-affected days (FADs). CDF thresholds varied between 87 and 93.74%, and JFI estimated 28 and 20 FADs where 8 and 7 matched with actual FADs, respectively. While CDF and JFI did not miss any flood event, CT missed the floods that occurred in the heavy rain months of January and December. The results are promising despite that only rainfall rates, i.e., one parameter out of various flood triggering mechanisms, i.e., soil moisture, topography and land use, are used. The simplicity of the method favors its use in TRMM follow-on missions such as the Global Precipitation Measurement Mission (GPM).
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spelling doaj.art-f0cc936e0d1e469abf16f3c06279fe692022-12-22T02:48:57ZengMDPI AGWater2073-44412017-08-019861210.3390/w9080612w9080612Exploring Jeddah Floods by Tropical Rainfall Measuring Mission AnalysisAhmet Emre Tekeli0Civil Engineering Department, Çankırı Karatekin University, Çankırı 18100, TurkeyEstimating flash floods in arid regions is a challenge arising from the limited time preventing mitigation measures from being taken, which results in fatalities and property losses. Here, Tropical Rainfall Measuring Mission (TRMM) Multi Satellite Precipitation Analysis (TMPA) Real Time (RT) 3B2RT data are utilized in estimating floods that occurred over the city of Jeddah located in the western Kingdom of Saudi Arabia. During the 2000–2014 period, six floods that were effective on 19 days occurred in Jeddah. Three indices, constant threshold (CT), cumulative distribution functions (CDFs) and Jeddah flood index (JFI), were developed using 15-year 3-hourly 3B42RT. The CT calculated, as 10.37 mm/h, predicted flooding on 14 days, 6 of which coincided with actual flood-affected days (FADs). CDF thresholds varied between 87 and 93.74%, and JFI estimated 28 and 20 FADs where 8 and 7 matched with actual FADs, respectively. While CDF and JFI did not miss any flood event, CT missed the floods that occurred in the heavy rain months of January and December. The results are promising despite that only rainfall rates, i.e., one parameter out of various flood triggering mechanisms, i.e., soil moisture, topography and land use, are used. The simplicity of the method favors its use in TRMM follow-on missions such as the Global Precipitation Measurement Mission (GPM).https://www.mdpi.com/2073-4441/9/8/612JeddahfloodsTRMM3B42RTSaudi ArabiaGPM
spellingShingle Ahmet Emre Tekeli
Exploring Jeddah Floods by Tropical Rainfall Measuring Mission Analysis
Water
Jeddah
floods
TRMM
3B42RT
Saudi Arabia
GPM
title Exploring Jeddah Floods by Tropical Rainfall Measuring Mission Analysis
title_full Exploring Jeddah Floods by Tropical Rainfall Measuring Mission Analysis
title_fullStr Exploring Jeddah Floods by Tropical Rainfall Measuring Mission Analysis
title_full_unstemmed Exploring Jeddah Floods by Tropical Rainfall Measuring Mission Analysis
title_short Exploring Jeddah Floods by Tropical Rainfall Measuring Mission Analysis
title_sort exploring jeddah floods by tropical rainfall measuring mission analysis
topic Jeddah
floods
TRMM
3B42RT
Saudi Arabia
GPM
url https://www.mdpi.com/2073-4441/9/8/612
work_keys_str_mv AT ahmetemretekeli exploringjeddahfloodsbytropicalrainfallmeasuringmissionanalysis