Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1016/j.atmosres.2019.06.002 |
Spatiotemporal variability in daily observed precipitation and its relationship with snow cover of Hindukush, Karakoram and Himalaya region in northern Pakistan | |
Waqas, A.1; Athar, H.1,2 | |
2019-11-01 | |
发表期刊 | ATMOSPHERIC RESEARCH |
ISSN | 0169-8095 |
EISSN | 1873-2895 |
出版年 | 2019 |
卷号 | 228页码:196-205 |
文章类型 | Article |
语种 | 英语 |
国家 | Pakistan |
英文摘要 | This work quantifies recent spatiotemporal variations in daily observed precipitation in the mountains of the northern Pakistan (HKNP) for 30-year period (1986-2015) on annual as well as on seasonal basis. The probability distribution functions (PDFs) are employed to identify decadal changes in the observed precipitation of the region. The precipitation based PDFs depict a positive mean decadal shift of 0.13 mm/day from 1996-2005 to 2006-2015 in the HKNP region, on annual basis. Similar positive mean decadal shift of 0.18, 0.18, and 0.16 mm/day for precipitation in winter, summer and autumn seasons is noticed, from 1996 to 2005 to 2006-2015, respectively. It is further observed that the intensity of extreme precipitation events also increases progressively (from 213.8 to 257.0 mm/day) during 1986-1995 to 2006-2015 for summer season in the HKNP region. Along with temporal shifts, spatial positive (negative) precipitation shifts are also noticed in the western (eastern) parts of the HKNP region. Furthermore, significant increasing trends in the wet days at weather stations of the Karakoram subregion in the HKNP are directly related with increasing snow cover fraction trends for summer season in a changing climate. A progressively increasing high non-parametric correlation (0.49 to 0.76) between the precipitation and the river discharge of the region is observed in recent decade (2006-2015) which requires better water resource management in the HKNP region in coming years. |
英文关键词 | Observed precipitation Snow cover Extreme precipitation River discharge Northern Pakistan |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000477686700017 |
WOS关键词 | BLOCKING ANTICYCLONES ; WESTERN DISTURBANCES ; INDUS BASIN ; RAINFALL ; TRENDS ; TELECONNECTIONS ; TEMPERATURES ; DYNAMICS ; MONSOON ; RUNOFF |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/187875 |
专题 | 地球科学 |
作者单位 | 1.COMSATS Univ Islamabad, Dept Meteorol, Pk Rd, Islamabad 45550, Pakistan; 2.COMSATS Univ Islamabad, Ctr Climate Res & Dev, Islamabad, Pakistan |
推荐引用方式 GB/T 7714 | Waqas, A.,Athar, H.. Spatiotemporal variability in daily observed precipitation and its relationship with snow cover of Hindukush, Karakoram and Himalaya region in northern Pakistan[J]. ATMOSPHERIC RESEARCH,2019,228:196-205. |
APA | Waqas, A.,&Athar, H..(2019).Spatiotemporal variability in daily observed precipitation and its relationship with snow cover of Hindukush, Karakoram and Himalaya region in northern Pakistan.ATMOSPHERIC RESEARCH,228,196-205. |
MLA | Waqas, A.,et al."Spatiotemporal variability in daily observed precipitation and its relationship with snow cover of Hindukush, Karakoram and Himalaya region in northern Pakistan".ATMOSPHERIC RESEARCH 228(2019):196-205. |
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