摘要
归一化植被指数(Normalized Difference Vegetation Index,NDVI)是研究植被最常用的遥感指数之一。NDVI长时间序列数据对于植被变化研究有着重要的意义。本数据集包含了中国区域1982–2020年的逐月最大值合成NDVI数据,主要基于NOAA CDR AVHRR NDVI产品,使用R语言rgee包调用Google Earth Engine进行月最大值合成和裁剪等过程加工生成。本数据集可反映中国1982–2020年NDVI时空变化情况,可为中国地区植被变化分析、生态环境监测等提供长时间序列数据支撑。
Normalized Difference Vegetation Index(NDVI)is one of the most commonly used remote sensing indexes for vegetation research.Long-term NDVI data is of great significance on the study of vegetation change.This dataset contains the monthly maximum synthesized NDVI data in China from 1982 to 2020.It is mainly based on the NOAA CDR AVHRR NDVI product using the rgee package in R to call Google Earth Engine for monthly maximum synthesis and cropping.This dataset can reflect the spatio-temporal changes of China's NDVI from 1982 to 2020,and can provide long-term data series for vegetation change analysis and ecological monitoring in China.
作者
徐洋
杨雅萍
XU Yang;YANG Yaping(College of Geography and Environmental Science,Henan University,Kaifeng 475004,P.R.China;State Key Laboratory of Resources and Environmental Information System,Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences(CAS),Beijing 100101,P.R.China;National Earth System Science Data Center,National Science&Technology Infrastructure of China,Beijing 100101,P.R.China;Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application,Nanjing 210023,P.R.China)
基金
科学院数据中心(WX145XQ07-11)
中国工程科技知识中心项目(CKCEST-2021-2-10)
蒙古高原资源环境要素综合考察(2019FY102001)
第二次青藏高原综合科学考察研究综合灾害风险评价与防御(2019QZKK0906)
中蒙俄国际经济走廊多学科联合考察(2017FY101300)。
