Version 10r is the current version of the dataset. The old version will no longer be available and will be replaced by version 10r. OCO-2 Lite file contains XCO2 corrected for deviation and other selection fields aggregated as daily files. At the beginning of 2021, the OCO team found a problem with OCO-2 secondary products that had been handled since January 28, 2020. The auxiliary geometric product (AGAP) file is a static file used in OCO secondary geographic positioning processing. This AGAP file contains about 300 m pointing errors. Therefore, all OCO-2 Level 2 10r data files from January 28 to December 31, 2020 have been corrected and replaced. The replacement process will be completed by the end of June 2021. Orbital carbon observatory is the first mission of NASA, which aims to collect the spatial measurement data of atmospheric carbon dioxide. Its accuracy, resolution and coverage are required to control the process of its accumulation in the atmosphere.
File name: The file is stored in the format of ". nc4". The file name is "oco2_LtCO2_YYMMDD_B10206Ar_YYMMDDhhmmss.SUB.nc4", where YY represents the year, MM represents the month, DD represents the day, and YYMMDDhhmmss represents the production time of the product.
Reading method: software such as Panoply can directly open to view data information, including longitude and latitude information, carbon dioxide column concentration data, data quality information, etc., and can also use matlab, python and other programming methods to obtain data content.
Nasa, N. (2022). OCO2 in the upper reaches of the Yangtze River_ L2_ Lite_ FP Dataset (2014-2022). Upper Yangtze River Scientific Data Center, DOI: 10.5067/E4E140XDMPO2. (Download the reference：
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| East: 112.50 | West: 97.00 |
|---|---|
| South: 20.50 | North: 34.50 |
