Assessing Water Availability Over Peninsular Malaysia Using Public Domain Satellite Data Products

Mohamad Idris, Ali and Mazlan, Hashim and H. S., M. Zin (2014) Assessing Water Availability Over Peninsular Malaysia Using Public Domain Satellite Data Products. IOP Conference Series: Earth and Environmental Science, 18 (1). pp. 1-5. ISSN 1755-1315. (Published)

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Abstract

Water availability monitoring is an essential task for water resource sustainability and security. In this paper, the assessment of satellite remote sensing technique for determining water availability is reported. The water-balance analysis is used to compute the spatio-temporal water availability with main inputs; the precipitation and actual evapotranspiration rate (AET), both fully derived from public-domain satellite products of Tropical Rainfall Measurement Mission (TRMM) and MODIS, respectively. Both these satellite products were first subjected to calibration to suit corresponding selected local precipitation and AET samples. Multi-temporal data sets acquired 2000-2010 were used in this study. The results of study, indicated strong agreement of monthly water availability with the basin flow rate (r2 = 0.5, p < 0.001). Similar agreements were also noted between the estimated annual average water availability with the in-situ measurement. It is therefore concluded that the method devised in this study provide a new alternative for water availability mapping over large area, hence offers the only timely and cost-effective method apart from providing comprehensive spatio-temporal patterns, crucial in water resource planning to ensure water security.

Item Type:	Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division:	Faculty of Civil Engineering & Earth Resources
Depositing User:	Mrs. Neng Sury Sulaiman
Date Deposited:	08 Jul 2014 03:32
Last Modified:	09 Apr 2018 04:19
URI:	http://umpir.ump.edu.my/id/eprint/6110
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