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ArcticHycos

…in support of the awareness of the Arctic’s role in a changing climate

The Arctic-HYCOS project plays a strong role in supporting existing international efforts such as the Executive Council Panel of Experts on Polar Observations, Research and Services (EC-PORS), Global Integrated Polar Prediction System (GIPPS), Arctic Monitoring and Assessment Programme (AMAP) and the projects of the Climate and Cryosphere Programme (CliC) in the World Climate Research Programme (WCRP).

The Arctic and its hydrology play a central role in regulating the Earth’s climate. The Arctic Ocean’s water is unusually fresh in comparison with the remaining world’s ocean system. Pathways and variability of freshwater circulation within the Arctic Ocean are still poorly understood, despite concerns regarding surface freshening in the North Atlantic and its influence on the global thermohaline circulation.

The purpose of the Arctic-HYCOS Project is to allow for the collection and sharing of hydrological data. This will support EC-PORS and other initiatives to achieve amongst others the following scientific goals:

  • Evaulation of freshwater flux to the Arctic Ocean and Seas,
  • Monitoring the changes and enhance understanding of the hydrological regime of the Arctic region,
  • Estimation of flow in ungauged regions and develop models for enhanced hydrological prediction in the Arctic region,
  • Advance of hydrological operational practices and procedures in harsh environmental conditions (e.g., under ice measurements).

A basic network of hydrological stations is being created by selecting key existing observation stations of the national hydrological networks within the Arctic region. The network will comprise stations that are best suited to monitor and detect changes in the Arctic hydrological regime, specifically related to climate change. Currently 631 stations have been identified.

The archived quality assured historical river discharge data (both mean daily and monthly) from these identified stations will be made available freely. The data for the majority of these stations can already be downloaded from this website.

Arctic-HYCOS project website

The Arctic-HYCOS project dataset

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