GRACE数据处理中可能用到的一些网站
Degree 1
Tellus
https://podaac.jpl.nasa.gov/gravity/grace-documentation#TechnicalNotes
CSR
GRACE Technical Note #13a: degree-1 (geocenter) gravity coefficients from CSR RL06 (recommend)
GRACE Technical Note #13a: degree-1 (geocenter) gravity coefficients from CSR RL06.1
GFZ
GRACE Technical Note #13b: degree-1 (geocenter) gravity coefficients from GFZ RL06
GRACE Technical Note #13b: degree-1 (geocenter) gravity coefficients from GFZ RL06.1
JPL
GRACE Technical Note #13c: degree-1 (geocenter) gravity coefficients from JPL RL06
GRACE Technical Note #13c: degree-1 (geocenter) gravity coefficients from JPL RL06.1
SLR（暂不可用）
https://filedrop.csr.utexas.edu/pub/slr/geocenter/
ftp://ftp.csr.utexas.edu/pub/slr/geocenter/
C20
NASA PO.DAAC（暂不可用，下同）
https://podaac-tools.jpl.nasa.gov/drive/files/GeodeticsGravity/grace/docs
TN-05_C20_SLR.txt
TN-07_C20_SLR.txt
TN-11_C20_SLR.txt
TN-14_C30_C30_GSFC_SLR.txt
UTCSR
http://download.csr.utexas.edu/pub/slr/degree_2/
C20_RL06.txt
ftp://ftp.csr.utexas.edu/pub/slr/degree_2/ （該链接暂无法访问，下同）
C20_RL05.txt
GFZ
ftp://isdcftp.gfz-potsdam.de/grace/Level-2/GFZ/RL06_SLR_C20/
GFZ_RL06_C20_SLR.dat
ftp://isdcftp.gfz-potsdam.de/grace/GravIS/GFZ/Level-2B/aux_data/
GRAVIS-2B_GFZOP_GRACE+SLR_LOW_DEGREES_0002.dat
CS21 or CS22
CSR
http://download.csr.utexas.edu/pub/slr/degree_2/
C21_S21_RL06.txt
GFZ
ftp://isdcftp.gfz-potsdam.de/grace/GravIS/GFZ/Level-2B/aux_data/
GRAVIS-2B_GFZOP_GRACE+SLR_LOW_DEGREES_0002.dat
GSFC
https://earth.gsfc.nasa.gov/geo/data/slr
gsfc_slr_5x5c61s61.txt
C30
NASA PO.DAAC（暂不可用）
https://podaac-tools.jpl.nasa.gov/drive/files/GeodeticsGravity/gracefo/docs/
TN-14_C30_C30_GSFC_SLR.txt
CSR
ftp://ftp.csr.utexas.edu/pub/slr/degree_5/
CSR_Monthly_5x5_Gravity_Harmonics.txt
https://filedrop.csr.utexas.edu/pub/slr/degree_5/
CSR_Monthly_5x5_Gravity_Harmonics.txt
GFZ
ftp://isdcftp.gfz-potsdam.de/grace/GravIS/GFZ/Level-2B/aux_data/
GRAVIS-2B_GFZOP_GRACE+SLR_LOW_DEGREES_0002.dat
GSFC
https://earth.gsfc.nasa.gov/geo/data/slr （暂不可用）
TN-14_C30_C30_GSFC_SLR.txt
C40
CSR
ftp://ftp.csr.utexas.edu/pub/slr/degree_5/
CSR_Monthly_5x5_Gravity_Harmonics.txt
https://filedrop.csr.utexas.edu/pub/slr/degree_5/
CSR_Monthly_5x5_Gravity_Harmonics.txt
GSFC
https://earth.gsfc.nasa.gov/geo/data/slr
gsfc_slr_5x5c61s61.txt
C50
CSR
ftp://ftp.csr.utexas.edu/pub/slr/degree_5/
CSR_Monthly_5x5_Gravity_Harmonics.txt
GSFC
https://earth.gsfc.nasa.gov/geo/data/slr
gsfc_slr_5x5c61s61.txt
GIA model
https://www.atmosp.physics.utoronto.ca/~peltier/data.php
Landsea Mask
UCAR
Mask file to use as input following Sutterley et al. (2020)
1x1 degree mask distributed from UCAR as part of NCL https://www.ncl.ucar.edu/Applications/Data/cdf/landsea.nc
ORNL
1,0.5 and 0.25 degree masks distributed from ORNL as part of ISLSCP https://daac.ornl.gov/ISLSCP_II/guides/combined_ancillary_xdeg.html