Effective Angular Momentum Functions from geodetic residuals (mass+motion term) File name : GAHS_GravIS_GFZ_monthly_2007.asc File contents : Effective angular momentum functions from geodetic excitation File units : dimensionless earth rotation excitation functions Issue date : 2026-10-27 References : Stumpe et al. (2027) Closing Mass-Consistent Earth Angular Momentum Budgets: Impact of Oceanic Excitation Uncertainty Contact : Lone Stumpe (stumpe@gfz.de), Robert Dill (dill@gfz.de) Affiliation : GFZ Helmholtz Centre for Geosciences, Potsdam, Germany, Section 1.3: Earth System Modelling Temporal domain : 15.01.2007, 00:00 UTC until 15.12.2007, 00:00 UTC Temporal resolution : monthly (GravIS epochs; GAM and AAM averaged over each epoch interval) Number of data records : 12 Subtracted mean values : mean of each component over total period of all yearly files Notes : These G-AHS data are constructed based on a set of consistently processed Earth rotation excitation functions and the geodetic angular momentum (GAM) derived from the 20 C04 series from the International Earth Rotation and Reference System Service (IERS) G-AHS = GAM - (AAM + HAM + SLAM). For the underlying excitation functions and the calculation of the GAM, see Stumpe et al. (2027) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- YYYY MM DD HH MJD G-AHS (mass + motion) x-component y-component z-component 2007 01 15 00 54115.000 -6.205783501916081e-08 7.856109136105192e-08 7.147438527913409e-09 2007 02 15 00 54146.000 -1.430329295294690e-08 9.662838032629121e-08 6.433658935493609e-09 2007 03 15 00 54174.000 -3.119272307746209e-08 -5.892759603777116e-09 6.962021695829842e-09 2007 04 15 00 54205.000 1.637532997653531e-08 7.284429220166483e-08 7.703921426155991e-09 2007 05 15 00 54235.000 -1.425684902335914e-07 6.098753750255052e-08 7.778057607888549e-09 2007 06 15 00 54266.000 -5.190320636228850e-08 1.744376378389604e-07 7.047568932744534e-09 2007 07 15 00 54296.000 -1.231317705947386e-07 -3.186187475522327e-08 7.082595336275930e-09 2007 08 15 00 54327.000 -6.310765114531322e-08 8.392056673325698e-09 7.109414635680350e-09 2007 09 15 00 54358.000 -4.982623883872064e-08 7.392258099323052e-09 7.431291315227506e-09 2007 10 15 00 54388.000 3.440652504993186e-09 3.478632866880695e-08 6.943603237892793e-09 2007 11 15 00 54419.000 -3.938167228229600e-08 1.180085412353371e-08 7.017209412928652e-09 2007 12 15 00 54449.000 -3.876017092194514e-08 1.785728818999804e-07 6.424785683648569e-09