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Below please find two option to assist you in accessing the data. How to Use the Web Services API for Subsetting MERRA-2 Data, https://disc.gsfc.nasa.gov/information/ ... A-2%20Data You may also want to try the following, How to Access MERRA-2 Data using OPeNDAP with Python3 and Calculate Daily/Week...

The MERRA-2 model indeed uses a seasonally varying climatology for LAI and GRN and does not represent interannual variations in these vegetation properties. This is a modeling choice that was driven by resource limitations and the scientific and technical difficulties of obtaining reliable vegetatio...

Please use the following step by step wget instruction found here,
https://disc.gsfc.nasa.gov/data-access

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Please use the following wget instruction found here,
https://disc.gsfc.nasa.gov/data-access

In addition a version of wget 1.18 complied with gnuTLS 3.3.3 or OpenSSL 1.0.2 or LibreSSL 2.0.2 or later is recommended.

The NASA GSFC Hydrological Sciences Laboratory (HSL) and the Goddard Earth Sciences Data and Information Services Center (GES DISC) are pleased to announce the release of two Famine Early warning Systems Network (FEWS NET) Land Data Assimilation System (FLDAS) datasets from the Noah Version 3.6.1 La...

Please use the following wget instruction found here,
https://disc.gsfc.nasa.gov/data-access

In addition a version of wget 1.18 complied with gnuTLS 3.3.3 or OpenSSL 1.0.2 or LibreSSL 2.0.2 or later is recommended.
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Please use the following wget instruction found here,
https://disc.gsfc.nasa.gov/data-access

In addition a version of wget 1.18 complied with gnuTLS 3.3.3 or OpenSSL 1.0.2 or LibreSSL 2.0.2 or later is recommended.

Looking at the standard product, OCO2_L2_Standard, you probably need to check three variables to get a sense of the atmospheric level contribution to the final column xCO2, all in the RetrievalResults group: vector_pressure_levels xco2_pressure_weighting_function xco2_avg_kernel_norm All of these ar...

The dimension size 3 correspond to the three bands of the OCO instrument (O2, WeakCO2,StrongCO2) The vertices are given for extra information purposes, to give a sense where the three radiometers were looking for the particular sounding. If you plot the three polygons per sounding, you should see th...