Ice Mass and Regional Sea Level Estimates from Time-Variable Gravity

Last Updated 2020-04-27Data Description:SLF_Caron_expt_CLM_L240_004-218.ncSLF_ICE6G_D_High_Res_CLM_L240_004-218.ncSLF_Ivins_R2_65_.2_1.5_CLM_L240_004-218.ncSLF_Ivins_R2_115_.2_1.5_CLM_L240_004-218.ncSLF_Ivins_R2_115_.2_2._CLM_L240_004-218.ncSLF_Ivins_R2_115_.2_3.2_CLM_L240_004-218.ncSLF_Ivins_R2_115_.2_4._CLM_L240_004-218.ncSLF_SM09_HUY2_96_.3_2_CLM_L240_004-218.ncSLF_SM09_HUY2_96_.5_5_CLM_L240_004-218.ncSLF_SM09_HUY2_96_.5_8_CLM_L240_004-218.ncSLF_SM09_HUY2_96_.5_10_CLM_L240_004-218.ncSLF_SM09_HUY2_96_.8_5_CLM_L240_004-218.ncSLF_SM09_HUY2_120_.1_1_CLM_L240_004-218.ncSLF_SM09_HUY2_120_.5_1_CLM_L240_004-218.ncSLF_SM09_HUY2_120_.5_3_CLM_L240_004-218.ncSLF_SM09_HUY2_120_.8_1_CLM_L240_004-218.ncSLF_W12a_BEST_CLM_L240_004-218.ncSLF_W12a_LOWER_CLM_L240_004-218.ncSLF_W12a_UPPER_CLM_L240_004-218.ncSpherical harmonic coefficients of sea level variations derived from GRACE/GRACE-FO mission measurements. Glacial Isostatic Adjustment (GIA) estimates have been removed. Terrestrial water storage (TWS) anomalies from GLDAS NOAHv2.1 have been removed (Rodell et al., 2004).GLDAS_NOAH10_TWC_SLF_CLM_L240_004-218.ncSpherical harmonic coefficients of terrestrial water storage (TWS) anomalies from GLDAS NOAHv2.1 (Rodell et al., 2004).netCDF4 Data Variables:l: spherical harmonic degreem: spherical harmonic ordertime: mid-date of each measurement epoch in decimal-yearsmonth: GRACE month of each measurement epoch (months starting 2002-01-01)clm: fully normalized cosine spherical harmonics (geodesy normalization)slm: fully normalized sine spherical harmonics (geodesy normalization)Caron_expt_SPH_CAP_RAD1.5_L60_r250km.zipICE6G_D_High_Res_SPH_CAP_RAD1.5_L60_r250km.zipIvins_R2_65_.2_1.5_SPH_CAP_RAD1.5_L60_r250km.zipIvins_R2_115_.2_1.5_SPH_CAP_RAD1.5_L60_r250km.zipIvins_R2_115_.2_2._SPH_CAP_RAD1.5_L60_r250km.zipIvins_R2_115_.2_3.2_SPH_CAP_RAD1.5_L60_r250km.zipIvins_R2_115_.2_4._SPH_CAP_RAD1.5_L60_r250km.zipSM09_HUY2_96_.3_2_SPH_CAP_RAD1.5_L60_r250km.zipSM09_HUY2_96_.5_5_SPH_CAP_RAD1.5_L60_r250km.zipSM09_HUY2_96_.5_8_SPH_CAP_RAD1.5_L60_r250km.zipSM09_HUY2_96_.5_10_SPH_CAP_RAD1.5_L60_r250km.zipSM09_HUY2_96_.8_5_SPH_CAP_RAD1.5_L60_r250km.zipSM09_HUY2_120_.1_1_SPH_CAP_RAD1.5_L60_r250km.zipSM09_HUY2_120_.5_1_SPH_CAP_RAD1.5_L60_r250km.zipSM09_HUY2_120_.5_3_SPH_CAP_RAD1.5_L60_r250km.zipSM09_HUY2_120_.8_1_SPH_CAP_RAD1.5_L60_r250km.zipW12a_BEST_SPH_CAP_RAD1.5_L60_r250km.zipW12a_LOWER_SPH_CAP_RAD1.5_L60_r250km.zipW12a_UPPER_SPH_CAP_RAD1.5_L60_r250km.zipZip files containing regional ice mass balance time series derived from GRACE/GRACE-FO mission measurements. Glacial Isostatic Adjustment (GIA) estimates have been removed. Terrestrial water storage (TWS) anomalies from GLDAS NOAHv2.1 have been removed (Rodell et al., 2004).ASCII Data Variables:month: GRACE month of each measurement epoch (months starting 2002-01-01)time: mid-date of each measurement epoch in decimal-yearsmass: mass anomaly in gigatonnes (Gt)mass_error: mass uncertainty in gigatonnes (Gt)landsea_1d.nclandsea_hd.nclandsea_qd.ncOne-degree, half-degree and quarter-degree land-sea masks with values 0=Ocean, 1=Grounded Ice, 3=Small Island, 4=Ice Shelf. Masks updated from ORNL ISLSCP project.Reference:T. C. Sutterley, I. Velicogna, and C.-W. Hsu, "Self-Consistent Ice Mass Balance and Regional Sea Level from Time-Variable Gravity", Earth and Space Science, 7(3), (2020).Disclaimer:This data provided here is not sponsored or maintained by the Universities Space Research Association (USRA), the Center for Space Research (UTCSR), the Jet Propulsion Laboratory (JPL), the German Research Centre for Geosciences (GeoForschungsZentrum, GFZ) or NASA. It is provided here under a Creative Commons 4.0 license but with no guarantees whatsoever.