Browsing NIBIO Brage by Author "Perera, Helani"
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Appraisal of Satellite Rainfall Products for Malwathu, Deduru, and Kalu River Basins, Sri Lanka
Perera, Helani; Senaratne, Nipuna; Gunathilake, Miyuru; Mutill, Nitin; Rathnayake, Upaka (Peer reviewed; Journal article, 2022-10-20)Satellite Rainfall Products (SRPs) are now in widespread use around the world as a better alternative for scarce observed rain gauge data. Upon proper analysis of the SRPs and observed rainfall data, SRP data can be used ... -
Evaluation of Satellite Rainfall Products over the Mahaweli River Basin in Sri Lanka
Perera, Helani; Fernando, Shalinda; Gunathilake, Miyuru; Sirisena, T. A. J. G.; Rathnayake, Upaka (Peer reviewed; Journal article, 2022-04-25)The availability of accurate spatiotemporal rainfall data is of utmost importance for reliable predictions from hydroclimatological studies. Challenges and limitations faced due to the absence of dense rain gauge (RG) ... -
Statistical Evaluation and Trend Analysis of ANN Based Satellite Products (PERSIANN) for the Kelani River Basin, Sri Lanka
Perera, Helani; Gunathilake, Miyuru; Panditharathne, Ravindu; Al-mahbashi, Najib; Rathnayake, Upaka (Peer reviewed; Journal article, 2022-08-31)Satellite-based precipitation products, (SbPPs) have piqued the interest of a number of researchers as a reliable replacement for observed rainfall data which often have limited time spans and missing days. The SbPPs possess ...