近 46 a 山东菏泽日照变化特征及影响因子
孙翠凤，窦坤，徐国栋，吴雷柱，杨启峰
Variation Characteristics of Sunshine Hours and Its Impact Factors in Heze of Shandong Province in Recent 46 Years
SUN Cuifeng，DOU Kun，XU Guodong，WU Leizhu，YANG Qifeng
干旱气象
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2013, (4): 744
-749
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DOI: 10． 11755/j． issn． 1006 －7639(2013) －04 －0744