长三角地区MODIS NDVI/EVI旬合成产品数据集(1Km)(2016-2017年)

该数据集为长三角地区MODISNDVI EVI旬合成产品数据集（1Km）（2000年-至今），全球MODIS植被指数是为了表现植被状况的时空综合特征而生产的。在生产MODIS植被指数的过程中，蓝、红、近红外反射率三个波段的数据被采用，三波段的中心分别为469nm,、645 nm和858 nm。MODIS NDVI和EVI产品由经过水、云、重气溶胶、以及云阴影掩膜处理的双向大气校正表面反射率计算得来。投影为正弦曲线投影。植被指数可以用于全球植被指数监测，也可以用在显示地表覆盖或者地表覆盖变化的产品中，还可以用作全球生物地球化学和水文模型或者全球或地区气候等模型的输入数据，还可以用于描述陆地表面的生物物理特征及进程，包括初级生产以及陆地表面覆盖的转换。数据以栅格（hdf）格式存储。数据每年更新一次。

This dataset is the 1-kilometer 10-day composite product dataset of MODIS NDVI and EVI for the Yangtze River Delta region (2000 to present). The global MODIS vegetation indices are produced to characterize the spatiotemporal comprehensive features of vegetation conditions. In the production of MODIS vegetation indices, data from three bands of blue, red, and near-infrared reflectance are adopted, with central wavelengths of 469 nm, 645 nm, and 858 nm respectively. MODIS NDVI and EVI products are calculated from bidirectional atmospheric-corrected surface reflectance that has undergone masking for water, clouds, heavy aerosols, and cloud shadows. The projection uses the sinusoidal projection. Vegetation indices can be used for global vegetation index monitoring, as well as in products depicting land cover or land cover changes. They can also serve as input data for global biogeochemical, hydrological, or global/regional climate models, and be applied to describe biophysical characteristics and processes of the terrestrial surface, including primary production and land cover conversion. The data are stored in raster (HDF) format. The dataset is updated annually.

搜集汇总

背景与挑战

背景概述

该数据集为2016-2017年长三角地区的MODIS NDVI/EVI旬合成产品，空间分辨率为1公里，采用正弦曲线投影，数据格式为HDF。数据集主要用于全球植被监测、地表覆盖变化分析以及气候模型输入等应用。