A remote sensing model for CO2 flux in wheat field

被引：0
|
作者：
Zhang, RH [1 ]
Sun, XM [1 ]
Zhu, ZL [1 ]
Su, HB [1 ]
Chen, G [1 ]
机构：
[1] Chinese Acad Sci, Inst Geog, Beijing 100101, Peoples R China
来源：
OPTICAL REMOTE SENSING OF THE ATMOSPHERE AND CLOUDS | 1998年 / 3501卷
关键词：
carbon dioxide flux; wheat transpiration; remote sensing model;
D O I：
10.1117/12.317740
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
In this paper we presented a model for calculating CO2 flux in the wheat field based on field simulate test. We adopted crop transpiration as " information picker" of CO2 flux instead of the potential evaporation and crop water stress index. Another crucial factors are leaf area index and air vapor saturation deficit. Experimental coefficient is equal to 1/58. Calculating values have a good agreement with real measurements. The model is useful to estimate regional distribution of CO2 flux.
引用
收藏
页码：490 / 500
页数：3
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