SubStructure

	Sub-Commission 2.1 Gravimetry and Gravity Networks President: Shuhei Okubo	Sub-Commission 2.2 Spatial and Temporal Gravity Field and Geoid Modeling President: Martin Vermeer	Sub-Commission 2.3 Dedicated Satellite Gravity Mapping Missions President: Pieter Visser	Sub-Commission 2.4 Regional Geoid Determination President: Urs Marti
Commission Projects	CP2.7: Gravity in South America			CP2.1: European Gravity and Geoid CP2.2: North American Geoid CP2.3: African Geoid CP2.4: Antarctic Geoid CP2.5: South American Geoid CP2.6: Southeast Asian Geoid
Commission Study Groups	SG2.4: Aerogravimetry and Gradiometry (discontinued)	SG2.2: Forward Gravity Field Modeling Using Global Databases SG2.3: Satellite altimetry: data quality improvement and coastal applications
Inter-Commission Study Groups	IC-SG2.1 (Joint with IGFS): Comparison of Absolute Gravimeters	IC-SG2.5 (Joint with ICCT): Aliasing in Gravity Field Modeling (discontinued) IC-SG2.6 (Joint with ICCT): Multiscale Modeling of the Gravity Field IC-SG2.7 (Joint with ICCT): Towards cm-accurate Geoid - Theories, Computational methods and Validation
Inter-Commission Working Groups	IC-WG1 (Joint with ICCT and Commission 1) (Description: see ICCT): Quality Measures, Quality Control, and Quality Improvement (Chair: H. Kutterer) IC-WG2 (Joint with IGFS) (Description: see IGFS) Evaluation of Global Earth Gravity Models (Chair: Jianliang Huang) IC-WG3 (Joint with ICCT and Commission 1) (Description: see ICCT): Satellite Gravity Theory (Chair: Nico Sneeuw)
Inter-Commission Projects	IC-P1.1: (Joint with Commissions 1 and 3) (Description: See Commission 1): Satellite Altimetry (Chair: Wolfgang Bosch) IC-P1.2: (Joint with Commission 1) (Description: See Commission 1): Vertical Reference Frames (Chair: Johannes Ihde) IC-P3.1: (Joint with Commissions 1 and 3): Global Geodynamics Project (Chair: David Crossley)