气候变化领域集成服务门户(CCPortal): Performance of five high resolution satellite-based precipitation products in arid region of Egypt: An evaluation

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DOI	10.1016/j.atmosres.2019.104809
	Performance of five high resolution satellite-based precipitation products in arid region of Egypt: An evaluation
	Nashwan M.S.; Shahid S.; Dewan A.; Ismail T.; Alias N.
发表日期	2020
ISSN	0169-8095
卷号	236
英文摘要	High-resolution daily precipitation estimation is very important in climatological and meteorological studies in the arid regions of the world, as precipitation events in these areas can be sporadic, localized and of very high intensity. In this study, the daily performance of five, ARC2, CHIRPS v2.0, GSMaP (v. 6), TAMSAT (v. 3) and PERSIANN-CCS high resolution satellite-based gauge-corrected precipitation products were compared, and the individual performances validated against rain gauge station records in the arid region of Egypt. Seven statistical metrics (three continuous and four categorical), and selected intensity categories, were employed in the modelling of rainfall totals for the 2003 to 2018 period. In general, the results indicated poor outcomes for all the satellite-based products. CHIRPS was best at estimating rainfall of <1 mm/day; this represented 30% of wet days during the study period. ARC and GSMaP performed better in estimating rainfall events with an intensity category of ≥1 mm/day, however both produced a high number of false detections. Despite continuous improvement of TAMSAT, it recorded the worst performance among the products evaluated. The study concluded that GSMaP appeared to be the “best” to use for supporting research activities over the arid Egyptian domain given its performance relative to the other satellite-based precipitation products. © 2019 Elsevier B.V.
英文关键词	ARC; CHIRPS; Egypt; GSMaP; PERSIANN; Rainfall; Remote Sensing; TAMSAT
学科领域	Arid regions; Chirp modulation; Rain gages; Remote sensing; Satellites; CHIRPS; Egypt; GSMaP; PERSIANN; TAMSAT; Rain; climate modeling; precipitation (climatology); rainfall; regional climate; remote sensing; satellite data; satellite imagery; spatial resolution; Egypt
语种	英语
scopus关键词	Arid regions; Chirp modulation; Rain gages; Remote sensing; Satellites; CHIRPS; Egypt; GSMaP; PERSIANN; TAMSAT; Rain; climate modeling; precipitation (climatology); rainfall; regional climate; remote sensing; satellite data; satellite imagery; spatial resolution; Egypt
来源期刊	Atmospheric Research
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/120473
作者单位	Department of Construction and Building Engineering, College of Engineering and Technology, Arab Academy for Science, Technology and Maritime Transport (AASTMT), 2033 Elhorria, Cairo, Egypt; Department of Hydraulics and Hydrology, School of Civil Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), Skudai, Johor 81310, Malaysia; Spatial Sciences Discipline, School of Earth and Planetary Sciences, Curtin University, Perth, Australia
推荐引用方式 GB/T 7714	Nashwan M.S.,Shahid S.,Dewan A.,et al. Performance of five high resolution satellite-based precipitation products in arid region of Egypt: An evaluation[J],2020,236.
APA	Nashwan M.S.,Shahid S.,Dewan A.,Ismail T.,&Alias N..(2020).Performance of five high resolution satellite-based precipitation products in arid region of Egypt: An evaluation.Atmospheric Research,236.
MLA	Nashwan M.S.,et al."Performance of five high resolution satellite-based precipitation products in arid region of Egypt: An evaluation".Atmospheric Research 236(2020).