The data set includes 500m of light and effective radiation data from 2002 to 2021. All data are from Google Earth Engine. MCD18C2 Version 6.1 is a Level 3 product of the Moderate Resolution Imaging Spectrometer (MODIS) Terra and Aqua Joint Photosynthetic Effective Radiation (PAR) grid, which produces a resolution of 0.05 degrees (5600 meters at the equator) every day, and is estimated to produce PAR every 3 hours. PAR is the incident solar radiation of visible light (400-700 nm), and is an important variable in the land surface model to solve various scientific and application problems. The MCD18 product is based on a prototype algorithm, which uses the multi-temporal characteristics of MODIS data to derive the surface reflectance, and then uses the Look-up Table (LUT) method to calculate the incident PAR.
All data are stored in tif format. Take the emitted longwave radiation as an example, and the file name is "MODIS_PAR_yyyy". PAR represents photosynthetic effective radiation, and yyyy represents year. For example, MODIS_ PAR_ 2002 represents the photosynthetic effective radiation data of 2002
Reading method: All files in this data set are in tif format, which can be opened and displayed through Arcgis and other software.
Wang, D. (2023). 500m Photosynthetic Active Radiation data based on MODIS MCD18C2 in Southwest China (2002-2021). Upper Yangtze River Scientific Data Center, (Download the reference：
Related Literatures:1. Wang, D. (2021). MODIS/Terra+Aqua Photosynthetically Active Radiation Daily/3-Hour L3 Global 0.05Deg CMG V061 [Data set]. NASA EOSDIS Land Processes DAAC. Accessed 2023-03-06 from https://doi.org/10.5067/MODIS/MCD18C2.061( View Details | Bibtex)
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| East: 113.00 | West: 96.00 |
|---|---|
| South: 20.50 | North: 35.00 |
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