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Global Gravity-based Groundwater Product (G3P)

The Global Gravity-based Groundwater Product (G3P) provides groundwater storage anomalies (GWSA) from a cross-cutting combination of GRACE/GRACE-FO-based terrestrial water storage (TWS) and storage compartments of the water cycle (WSCs) that are part of the Copernicus portfolio. The data set comprises gridded anomalies of groundwater, TWS, and the WSCs glacier, snow, soil moisture and surface water bodies plus layers containing uncertainty information for the individual data products. All WSCs are spatially filtered with a Gaussian filter to be compatible with TWS. Spatial coverage is global, except Greenland and Antarctica, with 0.5-degree resolution. Temporal coverage is from April 2002 to September 2023 with monthly temporal resolution. Gridded data sets are available as NetCDF files containing variables for the parameter value as anomaly in mm equivalent water height and the parameter’s uncertainty as mm equivalent water height.

The latest version of the data is visualized at the GravIS portal: https://gravis.gfz-potsdam.de/gws. From GravIS, the data is also available as area averages for several large river basins and aquifers, as well as for climatically similar regions.

G3P was funded by the EU Horizon 2020 programme in response to the call LC-SPACE-04-EO-2019-2020 “Copernicus evolution – Research activities in support of cross-cutting applications between Copernicus services” under grant agreement No. 870353.

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Cite this as

DOI:
10.63253/oocdzi0h
Pendiente
Claudia Ruz Vargas (2025). Global Gravity-based Groundwater Product (G3P) [Data set]. UNESCO IHP-WINS. https://doi.org/10.63253/oocdzi0h
DOI Status: This DOI is not yet resolvable. It will be published when the dataset is made public or updated.

Metadatos
INSPIRE
DCAT-AP
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Información básica
DOI https://doi.org/10.63253/oocdzi0h Private DOI
Tipo de recurso Conjunto de datos espacial
Fecha de creación 06-05-2025
Fecha de última modificación 06-05-2025
Mostrar histórico de cambios
Identificador de los metadatos Global-Gravity-based-Groundwater-Product-(G3P)
Idioma de los metadatos Inglés
Temáticas (DCAT-AP)
Categoría del conjunto de alto valor (HVD)
Categoría temática ISO 19115 environment
Identificador alternativo
URI de palabras clave
Información espacial
Identificador INSPIRE
Temas INSPIRE
Identificador geográfico
Sistema de Referencia de Coordenadas
Tipo de representación espacial
Extensión espacial
Resolución espacial del dataset (m)
Procedencia
Declaración de linaje
Perfil de Metadatos
Conformidad
Conjunto de datos de origen
Frecuencia de actualización
Fuentes
Propósito
Pasos del proceso
Cobertura temporal (Inicio)
Cobertura temporal (Fin)
Notas sobre la versión
Versión
Vigencia del conjunto de datos
Parte responsable
Nombre del autor (Heredado) Claudia Ruz Vargas
Nombre del mantenedor Claudia Ruz Vargas
Identificador del autor (Heredado)
Email del autor (Heredado) claudia.ruz-vargas@un-igrac.org
Identificador del mantenedor
Email del mantenedor claudia.ruz-vargas@un-igrac.org
Web del mantenedor