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学科主题: 地理学::自然地理学
题名: Evaluation of future precipitation scenario using statistical downscaling model over humid, subhumid, and arid region of Nepal-a case study
作者: Sigdel, M (Sigdel, Madan)1, 2, 3; Ma, YM (Ma, Yaoming)2, 3
通讯作者: Sigdel, M
刊名: THEORETICAL AND APPLIED CLIMATOLOGY
发表日期: 2016
DOI: 10.1007/s00704-014-1365-y
卷: 123, 期:3-4, 页:453-460
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: Statistical downscaling model (SDSM) was applied in downscaling precipitation in the three climatic regions of Nepal. The study includes the calibration of the SDSM model by using large-scale atmospheric variables encompassing National Centers for Environmental Prediction (NCEP) reanalysis data, the validation of the model, and the outputs of downscaled scenarios A2 and B2 of the HadCM3 model for the future. The average R (2) value during validation period was 0.84, indicating the good applicability of SDSM for simulating precipitation. Under both scenarios A2 and B2, during the prediction period of 2010-2099, the change of annual mean precipitation in the three climatic regions would present a tendency of surplus of precipitation as compared to the mean values of the base period. On the average for all three climatic regions of Nepal, the annual mean precipitation would increase by about 13.75 % under scenario A2 and increase near about 11.68 % under scenario B2 in the 2050s. The model showed better performance over humid region; moreover, simulated results for the peak monsoon months seem to be overestimated over subhumid and arid regions.
语种: 英语
WOS记录号: WOS:000368714100003
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7772
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Tribhuvan Univ, Cent Dept Hydrol & Meteorol, Kathmandu, Nepal
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing, Peoples R China
3.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China

Recommended Citation:
Sigdel, M ,Ma, YM . Evaluation of future precipitation scenario using statistical downscaling model over humid, subhumid, and arid region of Nepal-a case study[J]. THEORETICAL AND APPLIED CLIMATOLOGY,2016,123(3-4):453-460.
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文件名: V.123(3-4) 453-460 2016.pdf
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