Water Resources Management - technology allows for day-by-day tracking of extreme weather, alerting authorities to crop failures, monitoring inland water resources and tracing the steady spread of deserts and deforestation, water is central to all aspects of human life.


GEO will advocate the value of Earth observations, engage communities and deliver data and information in support of Water Resources Management by supporting management of water resources, including the cryosphere, while fostering and maintaining water quality; in order to ensure the availability and sustainable management of water and sanitation through sound science-based public policies informed by Earth observations, modelling and data integration.

About Water

  • Freshwater is vital for households, agriculture, and industry, and ever larger quantities will be needed for burgeoning human populations over the coming decades. Unfortunately, current observation systems cannot adequately monitor long-term changes and transfers in the global water system and their implications for people, the climate, and biodiversity.
  • The amount of freshwater available for human consumption and for ecosystem services is affected by many variables. The Global Earth Observation System of Systems seeks to track these variables by filling in existing information gaps about water resources, integrating data sets from various monitoring systems, developing better forecasting models, and disseminating the results to a wider range of decision makers.
  • A key next step for the GEOSS will be to combine water-level data from satellite-based radar altimeters with data from ground-level, in-situ monitors. This will improve the ability of water managers to map the water cycles of major rivers.
  • The Group on Earth Observations is also standardizing metadata and improving the accuracy of data and predictions. It aims to establish global prediction models and then develop national-level models and finally river-basin or catchment-level models. These models will eventually become interoperable, creating a “system of systems” that will facilitate the global exchange of observation data and forecasting information.

Related Work Programmme Activities


GEO Initiatives


Climate Change Impact Observation On Africa’s Coastal Zones (GEO-CCIOoACZ)

GEO Cold Regions Initiative (GEOCRI)

GEO Global Network for Observation and Information in Mountain Environments (GEO-GNOME)

GEO Global Water Sustainability (GEOGLOWS)

GEO Wetlands Initiative

Global Drought Information System (GDIS)



Community Activities


Earth Observations for the Water-Energy-Food (W-E-F) Nexus

Global Agricultural Drought Monitoring

Global Flood Awareness System (GLOFAS)

Global Flood Risk Monitoring

Harmful Algal Bloom (HAB) Early Warning System

In-Situ Observations and Practices for the Water Cycle

Land Cover and Land Cover Change

TIGGE (Thorpex Interactive Grand Global Ensemble) evolution into a Global Interactive Forecast System (GIFS)

Global Ecosystems and Environment Observation Analysis Report Cooperation (GEOARC)

Cross Cutting Activities


GEO Initiatives

AfriGEOSS: Reinforcing Regional African Engagement


Asia-Oceania GEO (AOGEO)

Earth Observations in Service of the 2030 Agenda for Sustainable Development

GEO Carbon and GHG Initiative


Oceans and Society: Blue Planet



Community Activities

Access to climate data in GEOSS

Advancing Communication Networks

Copernicus Atmospheric Monitoring Service (CAMS)

Copernicus Climate Change Service (C3S)

Data Analysis and Integration System (DIAS)


GFCS - GEO Collaboration

Himalayan GEOSS

Research Data Science Summer Schools

Socio-Economic Benefits of Earth Observations

Space and Security

Synergized Multi-Source Remote Sensing Products and Services

Earth Observations and Citizen Science

Contact person in the GEO Secretariat

Secretariat Expert: Douglas Cripe - dcripe@geosec.org


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