Gravimetry

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Focus sites: Etna and Southern Italy Volcanoes

Mt. Etna (Eastern Sicily), located in one of the most complex tectonic environments, is one of the most active and best monitored volcanoes around the world. It is characterized by multi-hazard activity that endangers the densely populated area. Act…

Globalwaterstorage Information Portal

The globalwaterstorage.info information portal is complementary to GravIS. While GravIS is mainly addressing scientists and students who do not necessarily have to be experts in geodesy but at least have a certain basic knowledge about GRACE/-FO or …

GravIS - Gravity Information Service

The Gravity Information Service (GravIS) visualizes and describes Level-3 products based on the most recent GRACE and GRACE-FO gravity field release from GFZ. The products presented at GravIS are available for download at GFZ's Information System a…

HELGOG - Helgoland Gravimetric Observatory Germany

The Helgoland Gravimetric Observatory Germany (HELGOG) was established in March 2020 in the basement of the Biologische Anstalt Helgoland (BAH) of the Alfred Wegener Institute AWI, Helmholtz Centre for Polar and Marine Research. The main research fo…

ICGEM - International Centre for Global Earth Models

The determination of Earth’s global gravity field is one of the main tasks of geodesy: it serves as a reference for geodesy itself and provides essential information about the Earth, its interior and its fluid envelope for all geosciences. Thus, it …

IGETS Database - Database of the International Geodynamics and Earth Tide Service

The International Geodynamics and Earth Tide Service (IGETS) is one of five services coordinated by the International Gravity Field Service (IFGS) of the International Association of Geodesy (IAG). The main objective of IGETS is to monitor temporal …

IGFS - International Gravity Field Service

IGFS is a unified “umbrella” IAG service, which: (i) Coordinates collection, validation, archiving and dissemination of gravity field related data (ii) Coordinates courses, information materials and general public outreach relating to the earth’s gr…

ISDC - Information System and Data Center

The Information System and Data Center (ISDC) is an access point for diverse geoscientific data, corresponding metadata, scientific documentation and software tools. The majority of the data and information that are offered to the public are global …

SAGOS - South African Geodynamic Observatory Sutherland

The South African Geodynamic Observatory Sutherland (SAGOS) of GFZ was established during the years 1998 – 2000 based on an Agreement on Cooperative Activities between the National Research Foundation (NRF) and GFZ, signed in August 1998. SAGOS is l…

ZUGOG - Zugspitze Geodynamic Observatory

The Zugspitze Geodynamic Observatory (ZUGOG) was established in September 2018 on top of mountain Zugspitze in the European Alps, with the dual targets of validation and calibration of GRACE-FO and supporting research into alpine mountain building p…