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      • Dual Roles of GGOS
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A primary goal of GGOS is the integration of the different Geodetic Observation Techniques and models to obtain consistent Geodetic Products as the basis for studying the Earth system and the interactions between its sub-components and the outer space. The various types of geodetic products can be classified in two main groups:

Geometry

Land Surface & Deformation

Reference Frames

Gravity Field

Gravity Field – Global & Regional

Gravity Data on Land & Sea

GEOID

Earth Orientation

Positioning & Applications

Outer Space

Near Space

Atmosphere

Hydrosphere

Oceans

Cryosphere

Solid Earth

Geodetic Product List

All 23 /Earth Orientation 1 /Geometry 8 /Gravity Field 6 /Ground Based Infrastructure 0 /IAG-Geometric-General-Services 0 /IAG-Gravity-Services 0 /IGFS Service Center 0 /Observations 0 /Positioning & Applications 5 /Products 0 /Reference Frames 4 /Services 0 /Space Techniques 0 /Terrestrial Techniques 0

Tide Gauge Records

Station Position Time Series

…

Sea Level Change

Earth Orientation Parameter Products

Celestial Reference Frame

Regional Geoid Models

Gravity Field – Temporal Variations

…

Digital Elevation Model

Height Reference Frame

Terrestrial Gravity Data

Atmospheric Products

Thermosphere Products

Surface Deformation Models

…

Sea Surface Heights

Troposphere Products

Ocean Topography Models

Terrestrial Reference Frame

Regional Height Reference Frame

Products of the Ionized Atmosphere

GNSS Satellite Orbits, Clocks and Biases

Gravity Reference Frame

Ice Sheets & Glaciers – Variations

Global Gravity Field Models

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PRODUCTS


Classification



Product List

Reference Frames

  • Height Reference Frame
  • Celestial Reference Frame
  • Gravity Reference Frame
  • Terrestrial Reference Frame

Earth Orientation

  • EOP Earth orientation parameter© TheNounProject (edited by GGOS)
    Earth Orientation Parameter Products

Geometry

  • Surface Deformation Models
  • © TheNounProject (edited by GGOS)
    Ocean Topography Models
  • © TheNounProject (edited by GGOS)
    Sea Level Change
  • Digital Elevation Model
  • © TheNounProject (edited by GGOS)
    Ice Sheets & Glaciers – Variations
  • Station Position Time Series
  • © TheNounProject (edited by GGOS)
    Tide Gauge Records
  • © TheNounProject (edited by GGOS)
    Sea Surface Heights

Gravity Field

  • Global Gravity Field Models
  • © TheNounProject (edited by GGOS)
    Gravity Field – Temporal Variations
  • © TheNounProject (edited by GGOS)
    Terrestrial Gravity Data
  • Regional Geoid Models
  • © TheNounProject (edited by GGOS)
    Ice Sheets & Glaciers – Variations
  • Regional Height Reference Frame

Positioning & Applications

  • Thermosphere Products
  • Products of the Ionized Atmosphere
  • ICON Atmosphere© TheNounProject (edited by GGOS)
    Troposphere Products
  • ICON Atmosphere© TheNounProject (edited by GGOS)
    Atmospheric Products
  • GNSS Satellite Orbits, Clocks and Biases

IAG as part of the IUGG

  
The International Association of Geodesy (IAG)  is a constituent association of the International Union of Geodesy and Geophysics (IUGG).

IAG Related Organisations

IAG collaborates closely with numerous organizations within geodesy and beyond. See the list for details.

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  • ⠀└─ ➡️ Commissions:
  • ⠀⠀◻️ 1 – Reference Frames
  • ⠀⠀◻️ 2 – Gravity Field
  • ⠀⠀◻️ 3 – Earth Rotation & Geodynamics
  • ⠀⠀◻️ 4 – Positioning and Applications
  • ⠀└─ 🔀 Inter Commission Committees:
  • ⠀⠀◻️ ICCT – Theory
  • ⠀⠀◻️ ICCM – Marine Research
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This website is provided by the IAG Secretariat and the GGOS Coordinating Office, which are hosted by the BEV – Federal Office of Metrology and Surveying (Bundesamt für Eich- und Vermessungswesen) in Vienna, Austria.

Website Language Translation

The primary language of this website is English – however, the integrated GTranslate tool enables automatic translation into several languages:

Please note that translations into other languages may not be accurate. For reliable information, refer to the English version of the website.

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