Distributed modeling of extraterrestrial solar radiation over the rugged terrains of Pakistan
文献类型:期刊论文
作者 | Ambreen, Romana ; Qiu Xinfa ; Ahmad, Iftikhar |
刊名 | JOURNAL OF MOUNTAIN SCIENCE
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出版日期 | 2011-06 |
卷号 | 8期号:3页码:427–436 |
关键词 | Pakistan distributed modeling ESR DEM GIS rugged terrain |
ISSN号 | 1672-6316 |
通讯作者 | Ahmad, I |
英文摘要 | In Pakistan, the solar analogue has been addressed but its surface geographical parameterization has given least attention. Inappropriate density of stations and their spatial coverage particularly in difficult peripheral national territories, little or no solar radiation data, nonsatisfactory sunshine hours data, and low quality of ground observed cloud cover data create a situation in which the spatial modeling of Extraterrestrial Solar Radiation(ESR) and its ground parameterization got sufficient scope. The Digital Elevation Model (DEM) input into Geographic Information System (GIS) is a compatible tool to demonstrate the spatial distribution of ESR over the rugged terrains of the study domain. For the first time, distributed modeling of ESR is done over the rugged terrains of Pakistan, based on DEM and ArcGIS.. Results clearly depict that the complex landforms profoundly disrupt the zonal distribution of ESR in Pakistan. The screening impact of topography is higher on spatial distribution of ESR in winter and considerably low in summer. The combined effect of topography and latitude is obvious. Hence, the model was further testified by plotting Rb (ratio of ESR quantity over rugged terrain against plane surface) against azimuth at different latitudes with different angled slopes. The results clearly support the strong screening effect of rugged terrain through out the country especially in Himalayas, Karakoram and Hindukush (HKH), western border mountains and Balochistan Plateau. This model can be instrumental as baseline geospatial information for scientific investigations in Pakistan, where substantial fraction of national population is living in mountainous regions. |
语种 | 英语 |
公开日期 | 2013-08-12 |
源URL | [http://ir.imde.ac.cn/handle/131551/5847] ![]() |
专题 | 成都山地灾害与环境研究所_Journal of Mountain Science _Journal of Mountain Science-2011_Vol8 No.3 |
推荐引用方式 GB/T 7714 | Ambreen, Romana,Qiu Xinfa,Ahmad, Iftikhar. Distributed modeling of extraterrestrial solar radiation over the rugged terrains of Pakistan[J]. JOURNAL OF MOUNTAIN SCIENCE,2011,8(3):427–436. |
APA | Ambreen, Romana,Qiu Xinfa,&Ahmad, Iftikhar.(2011).Distributed modeling of extraterrestrial solar radiation over the rugged terrains of Pakistan.JOURNAL OF MOUNTAIN SCIENCE,8(3),427–436. |
MLA | Ambreen, Romana,et al."Distributed modeling of extraterrestrial solar radiation over the rugged terrains of Pakistan".JOURNAL OF MOUNTAIN SCIENCE 8.3(2011):427–436. |
入库方式: OAI收割
来源:成都山地灾害与环境研究所
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