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《Journal of Anhui Agricultural Sciences》 2009-12
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Study on Selection of Angstrom-Prescott Indexes of Lhasa in Tibet

LI Wei-hu et al(Tibet College of Agriculture and Animal Husbandry,Linzhi,Tibet 860000)  
Introduced calculation formula and several calculation methods of climatology global radiation.The calculation methods and results of global solar radiation in Tibetan Plateau with clear-sky(possible) solar total radiation,global radiation of astronomy and idea atmosphere as initial data.According to measured data of monthly total radiation Q,monthly average sunshine time n and monthly average sunshine percentage s in 10 ywars from 1971 to 1980 from meteorological stations in Tibet Plateau,the selection methods and results of angstrom-prescott indexes a and b in Lhasa.The result showed that a=0.27,b=0.55 in whole year;a=0.28,b=0.55 in winter year(October-March next year);a=0.35,b=0.41 in summer year(April-September).
【Fund】: 国家自然科学基金项目(30760122);; 教育部“新世纪优秀人才支持计划”项目(NCHT-05-0826);; 教育部科学技术研究重点项目(208136)
【CateGory Index】: S162.1
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