Crop discrimination in Northern China with double cropping systems using Fourier analysis of time-series MODIS data
文献类型: 外文期刊
第一作者: Zhang Mingwei
作者: Zhang Mingwei;Zhou Qingbo;Chen Zhongxin;Liu Jia;Zhou Yong;Cai Chongfa
作者机构: China Meteorol Adm, Natl Satellite Meteorol Ctr, Beijing 100081, Peoples R China;Chinese Acad Agr Sci, Inst Nat Resources & Reg Planning, Beijing 100081, Peoples R China;Huazhong Normal Univ, Wuhan 430079, Hubei, Peoples R China;Huazhong Agr Univ, Wuhan 430070, Hubei, Peoples R China
关键词: MODIS;NDVI;Crop discrimination;Fourier transform
期刊名称:INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION ( 2020影响因子:5.933; 五年影响因子:6.225 )
ISSN: 0303-2434
年卷期: 2008 年 10 卷 4 期
收录情况: SCI
摘要: Crop identification is the basis of crop monitoring using remote sensing. Remote sensing the extent and distribution of individual crop types has proven useful to a wide range of users, including policy-makers, farmers, and scientists. Northern China is not merely the political, economic, and cultural centre of China, but also an important base for grain production. Its main grains are wheat, maize, and cotton. By employing the Fourier analysis method, we studied crop planting patterns in the Northern China plain. Then, using time-series EOS-MODIS NDVI data, we extracted the key parameters to discriminate crop types. The results showed that the estimated area and the statistics were correlated well at the county-level. Furthermore, there was little difference between the crop area estimated by the MODIS data and the statistics at province-level. Our study shows that the method we designed is promising for use in regional spatial scale crop mapping in Northern China using the MODIS NDVI time-series. (C) 2007 Elsevier B.V. All rights reserved.
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