globalchange  > 气候变化与战略
DOI: 10.1007/s11069-020-03926-9
论文题名:
Spatial distribution and estimation of rainfall trends and erosivity in the Epitácio Pessoa reservoir catchment, Paraíba, Brazil
作者: da Silva R.M.; Santos C.A.G.; da Costa Silva J.F.C.B.; Silva A.M.; Brasil Neto R.M.
刊名: Natural Hazards
ISSN: 0921030X
出版年: 2020
卷: 102, 期:3
起始页码: 829
结束页码: 849
语种: 英语
中文关键词: Mann–Kendall test ; Rainfall variability ; Sen’s test
英文关键词: annual variation ; catchment ; erosivity ; interpolation ; rainfall ; reservoir ; spatial distribution ; time series analysis ; trend analysis ; Brazil ; Paraiba
英文摘要: The main goals of this study are to better understand the spatial and temporal variabilities in rainfall and to identify rainfall trends and erosivity for the period from 1963 to 1991 in the Epitácio Pessoa reservoir catchment, which is located in Paraíba, northeastern Brazil. This study analyzes annual rainfall trends on a regional scale by using monthly data from 13 rainfall stations. For this purpose, the nonparametric Mann–Kendall and Sen methods were used in the analysis. Descriptive statistics methods and interpolation techniques were also used for spatial–temporal analysis of the annual rainfall. A detailed statistical analysis applied to the time series of all the stations indicates that the rainfall presents substantial annual spatial–temporal variability and a negative trend (decrease) in the mean rainfall at most of the rainfall stations in the catchment during the study period. The results only showed a positive trend for the Soledade and Pocinhos stations. The distribution of positive and negative trends in the Epitácio Pessoa reservoir catchment is extremely irregular, and the changes in the study area are more significant compared to those identified in other studies. Graphic abstract: [Figure not available: see fulltext.]. © 2020, Springer Nature B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/168444
Appears in Collections:气候变化与战略

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作者单位: Department of Geosciences, Federal University of Paraíba, João Pessoa, PB 58051-900, Brazil; Department of Civil and Environmental Engineering, Federal University of Paraíba, João Pessoa, PB 58051-900, Brazil; Postgraduate Programme Geography/CCEN/UFPB, Federal University of Paraíba, João Pessoa, PB 58051-900, Brazil; Postgraduate Programme Civil and Environmental Engineering/CT/UFPB, Federal University of Paraíba, João Pessoa, PB 58051-900, Brazil

Recommended Citation:
da Silva R.M.,Santos C.A.G.,da Costa Silva J.F.C.B.,et al. Spatial distribution and estimation of rainfall trends and erosivity in the Epitácio Pessoa reservoir catchment, Paraíba, Brazil[J]. Natural Hazards,2020-01-01,102(3)
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