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毕节市近53年日照时数下降的原因分析 被引量:2

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摘要 本文利用毕节市8个县(区)站1 961—201 3年日照时数以及对日照有影响的能见度、云量、水汽压等资料进行了统计计算。分析了毕节市日照时数的逐年变化特征,重点分析了毕节市日照时数下降的原因,研究表明:毕节市日照时数下降的主要原因是低云量的增加和能见度的降低,次要原因是水汽压的增加,与总云量的减少无关。
出处 《农业科技与信息》 2016年第16期51-52,共2页 Agricultural Science-Technology and Information
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