Application of TRMM Precipitation Data to Evaluate Drought and Its Effects on Water Resources Instability

Document identifier: oai:DiVA.org:ltu-77114
Access full text here:10.3390/app9245377
Keyword: Engineering and Technology, Civil Engineering, Geotechnical Engineering, Teknik och teknologier, Samhällsbyggnadsteknik, Geoteknik, Synoptic stations, Water resources, SPI, Precipitation, Fountain, Soil Mechanics
Publication year: 2019
Relevant Sustainable Development Goals (SDGs):
SDG 13 Climate actionSDG 9 Industry, innovation and infrastructureSDG 11 Sustainable cities and communities
The SDG label(s) above have been assigned by OSDG.ai

Abstract:

The present research was carried out to study drought and its effects upon water resources using remote sensing data. To this end, the tropical rainfall measuring mission (TRMM) satellite precipitation, the synoptic stations, and fountain discharge data were employed. For monitoring of drought in the study area, in Kermanshah province, Iran, the monthly precipitation data of the synoptic stations along with TRMM satellite precipitation datasets were collected and processed in the geographic information system (GIS) environment. Statistical indicators were applied to evaluate the accuracy of TRMM precipitation against the meteorological stations’ data. Standardized precipitation index, SPI, and normalized fountain discharge were used in the monitoring of drought conditions, and fountains discharge, respectively. The fountains were selected so that in addition to enjoying the most discharge rates, they spread along the study area. The evaluation of precipitation data showed that the TRMM precipitation data were of high accuracy. Studies in temporal scale are indicative of the strike of drought in this region to the effect that for most months of the year, frequency and duration in dry periods are much more than in wet periods. As for seasonal scales, apart from winter, the frequency and duration of drought in spring and autumn have been longer than in wet years. Moreover, the duration of these periods was different. A comparison between the results of changes in fountain discharges and drought index in the region has verified that the drought has caused a remarkable decline in the fountain discharges.

Authors

Ata Amini

Kurdistan Agricultural and Natural Resources Research and Education Center, AREEO, Sanandaj, Iran
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Abdolnabi Abdeh Kolahchi

Soil Conservation and Watershed Management Research Institute, SCWMRI, AREEO, Tehran, Iran
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Nadhir Al-Ansari

Luleå tekniska universitet; Geoteknologi
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Mehdi Karami Moghadam

Department of Agriculture, Payame Noor University (PNU), Tehran, Iran
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Thamer Mohammad

Department of Water Resources Engineering, College of Engineering, University of Baghdad, Baghdad, Iraq
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