基于MODIS-NDVI数据的大区域森林病虫害理赔指数构建及应用
收稿日期: 2017-11-02
修回日期: 2017-11-30
网络出版日期: 2020-09-28
Development and Application of Settlement Index of Forest Pests and Diseases for Large Areas through Using MODIS-NDVI Data
Received date: 2017-11-02
Revised date: 2017-11-30
Online published: 2020-09-28
大区域森林病虫害险发展理赔是森林保险面临的紧迫难题。以内蒙古东部森林为试验区,基于时间序列MODIS-NDVI数据、地面调查数据,构建了以旗县为单位的大区域森林病虫害理赔指数,并针对2016年内蒙古东部森林病虫害理赔进行了应用。结果表明,采用理赔指数具有计算简单、覆盖范围广、时空连续的优点,可对重度受灾及针叶林的中度受灾情况进行有效监测,进而能够为森林病虫害灾害的理赔工作提供参考与支持。
关键词： MODIS NDVI; 森林病虫害; 理赔指数
孙福洋 , 王建和 , 付伟 , 李晓松 . 基于MODIS-NDVI数据的大区域森林病虫害理赔指数构建及应用[J]. 林草资源研究, 2017 , 0(6) : 149 -152 . DOI: 10.13466/j.cnki.lyzygl.2017.06.026
Settlement of forest pests and diseases for large areas is one of the most pressing challenges for the development of forest insurance.This study,taking the forest areas of east Inner Mongolia,developed a settlement index of forest pests and diseases at the county scale for large areas,based on MODIS-NDVI data,field survey data,and successfully applied it to east Inner Mongolia for the year of 2016.The results show that the proposed settlement index has the advantage of being simple in calculation,wide coverage and time-space continuity,could monitor the serious damage,even the moderate damage for conifer forest effectively.Therefore,the settlement index of forest pests and diseases could provide reference and support for forest insurance.
Key words： MODIS-NDVI; forest pests and diseases; settlement index
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