New,Energy,Sources,for,Tibetans:New Energy

　　In Tibet, more and more Tibetan farmers and herdsmen have started to use solar power andmarsh gas as their household energy source. Such clean and environmentally friendly energiesbring a new era to the highland.
　　As is well known, the Qinghai-Tibet Plateau is the closest land to the sun being located at ahigh altitude and embraced with a clean but dry atmosphere. In addition, this is also a land withlow latitude and where the total radiation of the sun is the greatest. It is the richest land for thesun"s radiation. Most of the area of Tibet receives 6,000-8,000 Mega-joules annually, similarto the sun"s radiation just next to the equator in Africa"s Sahara Dessert. In the meanwhile, onthe Qinghai-Tibet Plateau, the annual average sunlight reaches about 3,000 hours. The directradiation of the solar energy is between 56-78 percent. 本文为全文原貌 未安装PDF浏览器用户请先下载安装 原版全文