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Table 1 GOCE-based GGMs evaluated in this study (yrs. mean years)

From: Evaluation of GOCE-based global gravity field models over Japan after the full mission using free-air gravity anomalies and geoid undulations

Model n max. Data References
TIM1 224 GOCE (2 months) Pail et al. (2010a)
TIM2 250 GOCE (8 months) Pail et al. (2011)
TIM3 250 GOCE (12 months) Pail et al. (2011)
TIM4 250 GOCE (26.5 months) Pail et al. (2011)
TIM5 280 GOCE (42 months) Brockmann et al. (2014)
DIR1 240 GOCE (2 months), GRACE (7.5 yrs.), LAGEOS (7 yrs.) Bruinsma et al. (2010)
DIR2 240 GOCE (8 months), GRACE (7.5 yrs.), LAGEOS (7 yrs.) Bruinsma et al. (2010)
DIR3 240 GOCE (12 months), GRACE (7 yrs.), LAGEOS (7 yrs.) Bruinsma et al. (2010)
DIR4 240 GOCE (28 months), GRACE (7 yrs.), LAGEOS (25 yrs.) Bruinsma et al. (2013)
DIR5 300 GOCE (42 months), GRACE (10 yrs.), LAGEOS (25 yrs.) Bruinsma et al. (2013)
GOCO01S 224 GOCE (2 months), GRACE (7.5 yrs.) Pail et al. (2010b)
GOCO02S 250 GOCE (8 months), GRACE (7.5 yrs.), CHAMP (8 yrs.), SLR (5 yrs.) Goiginger et al. (2011)
GOCO03S 250 GOCE (18 months), GRACE (7.5 yrs.), CHAMP (8 yrs.), SLR (5 yrs.) Mayer-Gürr et al. (2012)
GOCO05S 280 GOCE (42 months), GRACE (10.5 yrs.), CHAMP (8 yrs.), SLR (5 yrs.) Mayer-Gürr et al. (2015)
SPW1 210 GOCE (2 months), EGM2008 as background model Migliaccio et al. (2010)
SPW2 240 GOCE (8 months), EGM2008 as background model Migliaccio et al. (2011)
SPW4 280 GOCE (33 months), EGM2008 as background model Gatti et al. (2014)
EGM2008 2159 GRACE, terrestrial gravity and altimetric data Pavlis et al. (2012)
  1. EGM2008 is also included