[1]周俊利,薛华柱,董国涛,等.AMSR_2微波植被指数在黄河流域的适用性对比与分析[J].水土保持研究,2018,25(05):378-384.
　ZHOU Junli,XUE Huazhu,DONG Guotao,et al.Comparison and Analysis of Applicability of AMSR_2 Microwave Vegetation Index in the Yellow River Basin[J].Research of Soil and Water Conservation,2018,25(05):378-384.
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AMSR_2微波植被指数在黄河流域的适用性对比与分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 25 期数: 2018年05期 页码: 378-384 栏目: 出版日期: 2018-09-06
Title:
Comparison and Analysis of Applicability of AMSR_2 Microwave Vegetation Index in the Yellow River Basin
作者:
周俊利1,2, 薛华柱1, 董国涛2, 樊东1, 郭欣伟2, 殷会娟2
1. 河南理工大学 测绘与国土信息工程学院, 河南 焦作 454000;
2. 黄河水利委员会黄河水利科学研究院 水利部 黄土高原水土流失过程与控制重点实验室, 郑州 450003
Author(s):
ZHOU Junli1,2, XUE Huazhu1, DONG Guotao2, FAN Dong1, GUO Xinwei2, YIN Huijuan2
1. School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China;
2. Key Laboratory of Soil and Water Loss Process and Control on the Loess Plateau, Ministry of Water Resources, Yellow River Institute of Hydraulic Research, Zhengzhou 450003, China
关键词:
AMSR_2微波数据; 植被指数; 适用性; 黄河流域
Keywords:
AMSR_2 microwave data; vegetation index; applicability; Yellow River Basin
分类号:
TP79;Q94
摘要:
微波数据具有全天候、穿透性强及不受云层影响等优势，使其在遥感研究领域得到越来越多的应用。利用2012年7月至2016年12月AMSR_2双极化亮温数据，反演微波穿透指数MVI与不同频率的微波极化差异指数MPDI18与MPDI36.5，对比黄河流域各微波植被指数与光学植被指数NDVI的差异，分析了微波植被指数在黄河流域的适用性。结果表明：微波穿透指数MVI与光学植被指数NDVI呈现显著负相关关系；微波极化差异指数MPDI18，MPDI36.5与光学植被指数NDVI呈显著正相关关系；其中，微波极化差异指数MPDI36.5与光学植被指数NDVI的逐月变化趋势几乎同步，相关系数达到了0.999。微波植被指数与光学植被指数对降雨、气温的响应大致相同。整体来说，微波穿透指数与微波极化差异指数在黄河流域均具有较好的适用性。
Abstract:
Microwave data have the advantages of all-weather, penetrating and free from the clouds, and it is more and more widely used in remote sensing research. This paper uses AMSR_2 dual polarization brightness temperature data from July 2012 to December 2016, to invert microwave polarization index MVI and microwave polarization difference index MPDI18 and MPDI36.5 of different frequencies. The difference between the microwave vegetation index and the optical vegetation index NDVI were compared, and the applicability of microwave vegetation index of the Yellow River Basin was analyzed. The result showed that the microwave penetration index MVI was negatively correlated with the optical vegetation index NDVI, microwave polarization difference index MPDI18 and MPDI36.5 were significantly positively correlated with the optical vegetation index NDVI; among them, the microwave polarization difference index MPDI36.5 was almost identical with the monthly variation trend of the optical vegetation index NDVI, the correlation coefficient reached up to 0.999. The responses of microwave vegetation index and optical vegetation index to rainfall were approximately the same. As a whole, the microwave penetration index and microwave polarization difference index have good applicability in the Yellow River Basin.

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备注/Memo

收稿日期:2017-09-15;改回日期:2017-11-02。
基金项目:国家重点研发计划项目（2016YFC0402400）；国家自然科学基金（51779099，41301496）；中央级公益性科研院所基本科研业务费专项资金项目（HKY-JBYW-2017-10）；河南省科技攻关项目（172102110268）
作者简介:周俊利(1993-),男,河南新乡人,硕士研究生,研究方向为3S技术理论与应用。E-mail:lariely@163.com
通讯作者:董国涛(1982-),男,山东青州人,博士,高级工程师,主要从事水文水资源遥感方面研究。E-mail:dongguotao@hky.yrcc.gov.cn

更新日期/Last Update: 1900-01-01