下垫面改变导致局地气候变化的理论分析(英文)

被引:21
作者
赵鸣
曾新民
机构
关键词
气候变化; 反射率; 土地利用;
D O I
暂无
中图分类号
P467 [气候变化、历史气候];
学科分类号
0706 ; 070601 ;
摘要
运用气柱内辐射,相变,对流间的平衡及地表能量平衡条件研究了由于地表状况改变,即植被退化所造成的局地气候变化,结果表明地表反射率的加大及地面热通量的变化造成中国北方降水量的减少和温度的增加。粗糙度的减少也能造成降水量减少和温度增加,这些结果与数值模拟一致。考虑平流作用以后,上述特征不变,但降水及温度改变量发生变化。在全球增暖背景下,降水减少和温度增加要更剧烈些。
引用
收藏
页码:45 / 63
页数:19
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