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Assessment of Solar Energy Resources in Baiyin City
Author(s): 
Pages: 36-40
Year: Issue:  4
Journal: Journal of Gansu Sciences

Keyword:  白银市太阳辐射日照时数资源评估;
Abstract: 利用我国西北地区及白银市气象站的辐射、日照资料,分析了区城内近50 a的太阳能资源状况.结果表明:白银市年总辐射量5 530~5 900 MJ/m2,略少于甘肃河西地区.月总辐射量最大值出现在6月,最小值出现在12月;年生理辐射总量2 473~2 874 MJ/m2,生理辐射丰富.一般在33 000 kg/hm2以上,而光能利用率较低,一般在0.4%左右;白银市年总辐射以120MJ/(m2·10 a)的速率递减,明显高于西北地区的平均水平;全年日照总时数2 350~2 800 h,自南向北增多,5~8月日照时数最多,9月最少.日照时数和日照百分率的变化趋势不明显;白银市光能资源较丰富,属于太阳能发电较适宜的地区.
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