Extraction of wetland areas in West Siberia using NOAA/AVHRR data

被引:1
作者
Tamura, M [1 ]
Yasuoka, Y [1 ]
机构
[1] Natl Inst Environm Studies, Tsukuba, Ibaraki 3050053, Japan
来源
REMOTE SENSING FOR AGRICULTURE, ECOSYSTEMS, AND HYDROLOGY | 1998年 / 3499卷
关键词
Normalized Difference Vegetation Index; land surface temperature; scattergram; northern wetland; Ob River; west Siberian lowland;
D O I
10.1117/12.332740
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
A method is presented for extracting wetland areas in northern high-latitude zones using Normalized Difference Vegetation Index (NDVI) and land surface temperature (T-s) calculated from midday NOAA/AVHRR data. Wetland areas have been distinguished from other land-cover types using signatures on a scattergram of NDVI vs. T-s. The method was applied for extracting wetland areas in the basin of the Ob River in the west Siberian lowland. The result have been verified with ground-truth data and land-cover classification results obtained from high-resolution satellite images.
引用
收藏
页码:105 / 110
页数:6
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