2002-201年间美国和全球逐月NDVI的变化动画

Monthly NDVI change in USA and Global from 2002-2017

The normalized difference vegetation index (NDVI) is a simple graphical indicator that reflect the greenness and the heath condition of vegetations.

The raw data is from NASA MOD13A.

  • The global NDVI variation from 2002 to 2017.
  • The NDVI varies from 2002 to 2017 in US (Continental)

How to download the rawdata

The code of the monthly NDVI from MODIS dataset is MOD13C2, so type the code below in your terminal and the wget will download all availalble data from server to you local matchine.

wget  --user=XXXXX --password=XXXX -r -c -np -x https://e4ftl01.cr.usgs.gov/MOLT/MOD13C2.006/

The R package RoundAndRound and PIHMgisR is used for this data processing and visulization.

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舒乐乐
博士后研究员, SHUD模型作者

加州大学戴维斯分校博士后研究员, SHUD模型作者; 专注于数值方法的分布式水文模型、水文大数据的机器学习、气候/人类活动对水循环的影响和集成模型耦合研究

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