globalchange  > 全球变化的国际研究计划
DOI: 10.1007/s00703-018-0611-8
WOS记录号: WOS:000475699000012
论文题名:
Statistical analysis of trends in monthly precipitation at the Limbang River Basin, Sarawak (NW Borneo), Malaysia
作者: Krishnan, M. V. Ninu; Prasanna, M. V.; Vijith, H.
通讯作者: Krishnan, M. V. Ninu
刊名: METEOROLOGY AND ATMOSPHERIC PHYSICS
ISSN: 0177-7971
EISSN: 1436-5065
出版年: 2019
卷: 131, 期:4, 页码:883-896
语种: 英语
WOS关键词: SPEARMANS RHO TESTS ; MANN-KENDALL TEST ; RAINFALL TRENDS ; SELANGOR ; TEMPERATURE
WOS学科分类: Meteorology & Atmospheric Sciences
WOS研究方向: Meteorology & Atmospheric Sciences
英文摘要:

Effect of climate change in a region can be characterised by the analysis of rainfall trends. In the present research, monthly rainfall trends at Limbang River Basin (LRB) in Sarawak, Malaysia for a period of 45years (1970-2015) were characterised through the non-parametric Mann-Kendall and Spearman's Rho tests and relative seasonality index. Statistically processed monthly rainfall of 12 well distributed rain gauging stations in LRB shows almost equal amount of rainfall in all months. Mann-Kendall and Spearman's Rho tests revealed a specific pattern of rainfall trend with a definite boundary marked in the months of January and August with positive trends in all stations. Among the stations, Limbang DID, Long Napir and Ukong showed positive (increasing) trends in all months with a maximum increase of 4.06mm/year (p=0.01) in November. All other stations showed varying trends (both increasing and decreasing). Significant (p=0.05) decreasing trend was noticed in Ulu Medalam and Setuan during September (-1.67 and -1.79mm/year) and October (-1.59 and -1.68mm/year) in Mann-Kendall and Spearman's Rho tests. Spatial pattern of monthly rainfall trends showed two clusters of increasing rainfalls (maximas) in upper and lower part of the river basin separated with a dominant decreasing rainfall corridor. The results indicate a generally increasing trend of rainfall in Sarawak, Borneo.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/144796
Appears in Collections:全球变化的国际研究计划

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作者单位: Curtin Univ Malaysia, Fac Engn & Sci, Dept Appl Geol, CDT 250, Miri 98009, Sarawak, Malaysia

Recommended Citation:
Krishnan, M. V. Ninu,Prasanna, M. V.,Vijith, H.. Statistical analysis of trends in monthly precipitation at the Limbang River Basin, Sarawak (NW Borneo), Malaysia[J]. METEOROLOGY AND ATMOSPHERIC PHYSICS,2019-01-01,131(4):883-896
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