- 为什么ASTER FVC数据能作为reference？
- The reflectance data of the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER),which share the same platform with MODIS, were obtained for the upscale of the field measured FVC. By establishing the relationship between ASTER NDVI and field-measured FVC, FVC at the ASTERresolution (15 m) was estimated. This was then up-scaled to a resolution of 1 km by calculating the arithmetical average, which serves this study as the reference FVC.
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