基于MODIS数据提取华北典型区冬小麦种植面积

doi:10.7523/j.issn.2095-6134.2013.05.010

中国科学院大学学报 ›› 2013, Vol. 30 ›› Issue (5): 637-643.DOI: 10.7523/j.issn.2095-6134.2013.05.010

基于MODIS数据提取华北典型区冬小麦种植面积

张佳华^1,2, 胡小夏², 刘学锋², 何贞铭²

1. 中国科学院遥感与数字地球研究所数字地球重点实验室, 北京 100094;
2. 长江大学地球科学学院, 湖北荆州 434023

收稿日期:2012-10-16 修回日期:2012-12-28 发布日期:2013-09-15
基金资助:
科技部农业成果转化项目(2011GB24910007)、国家973项目(2010CB951302);社会公益类行业(气象)专项(GYHY201106027)资助 

Extraction of winter wheat planting areas based on the time-series MODIS data in typical region of North China

ZHANG Jia-Hua^1,2, HU Xiao-Xia², LIU Xue-Feng², HE Zhen-Ming²

1. Key Lab of Digital Earth Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100094, China;
2. College of Earth Sciences, Yangtze University, Jingzhou 434023, Hubei, China

Received:2012-10-16 Revised:2012-12-28 Published:2013-09-15
Contact: 张佳华,E-mail:jhzhang@ceode.ac.cn

摘要/Abstract

摘要： 基于2004年和2008年的8 d 合成的MODIS 多时相地表反射率产品,提取华北冬麦种植典型区面积分布. 根据冬小麦生育期内时相变化建立了EVI时序曲线;基于Savitzky-Golay滤波降低云对时序数据的影响重构时序EVI数据,并结合作物物候期、种植结构和图像解译结果, 提取华北典型区冬小麦种植空间分布. 结果表明, 依据MODIS-EVI时序数据提取的研究区冬小麦种植面积空间分布, 与统计数据比较其总体精度可达98%. 2008年冬小麦的面积与2004年相比有所增加, 其中山东省增加15%左右; 而北京和天津市这5年里的面积基本持平.

关键词: MODIS数据, 时序EVI, 冬小麦种植面积, 华北典型区

Abstract: The multi-temporal 8-day composite MODIS surface reflectance products of 2004 and 2008 were used to extract winter wheat planting area in the typical region of North China. The time-series EVI curve was built according to the growth period of winter wheat. We reconstruct the MODIS-EVI time-series using Savitzky-Golay smooth filter to reduce the cloud noise. By considering coupling with crop phenology, planting structure, and visual interpretation, we extract the planting area of winter wheat. The results show that the spatial distribution for winter wheat extracted by MODIS-EVI time-series data is about 98% of the statistical data. The planting area of winter wheat in Shandong province was increased by about 15%. However, the planting areas of winter wheat in Beijing and Tianjin regions are mainly invariant in the past 5 years.

Key words: MODIS data, EVI time-series, winter wheat planting area, typical region of North China

中图分类号:

S512.11
S127

张佳华, 胡小夏, 刘学锋, 何贞铭. 基于MODIS数据提取华北典型区冬小麦种植面积[J]. 中国科学院大学学报, 2013, 30(5): 637-643.

ZHANG Jia-Hua, HU Xiao-Xia, LIU Xue-Feng, HE Zhen-Ming. Extraction of winter wheat planting areas based on the time-series MODIS data in typical region of North China[J]. , 2013, 30(5): 637-643.

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基于MODIS数据提取华北典型区冬小麦种植面积

Extraction of winter wheat planting areas based on the time-series MODIS data in typical region of North China

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