区域蒸发研究综述

被引:15
作者
莫兴国
机构
[1] 中国科学院地理研究所 北京
关键词
区域蒸发; 单点蒸发; 遥感; CBL模型; 植被-大气相互作用;
D O I
10.14042/j.cnki.32.1309.1996.02.011
中图分类号
P332.2 [蒸发观测];
学科分类号
081501 ;
摘要
概述了区域蒸发近年来的研究进展,包括目前估计区域蒸发的4个方面,即①单点蒸发测定的精确化;②利用遥感信息提取参数;③CBL模型模拟地-气水汽交换通量;④植被-大气相互作用模型与区域大气模型结合,模拟区域水分和热量平衡。这些方法从影响区域蒸发的不同方面探讨估算方法,但由于区域尺度下垫面特征的空间变异性,蒸发过程的不确定性,区域蒸发过程仍有待深入认识。本文分析了这些方法的原理和优点,同时也指出了其中存在的问题和今后的研究方向。
引用
收藏
页码:180 / 185
页数:6
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