The Arctic-HYDRA program represents a consortium-based international study to provide a quantitative picture of the state of pan-Arctic hydrological system. Starting during the IPY campaign, the programf will represent a critical benchmark against which to assess future change, with focus on the following key questions: What is the role of the unified Arctic Hydrological Cycle in the global climate system? What are the feedbacks of changes in the Arctic Hydrological Cycle on the regional and global climate systems? What are the impacts of hydrological changes in the Arctic on biology, biogeochemistry, and human society?
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Projects 
The Arctic-HYDRA program represents a consortium-based international study to provide a quantitative picture of the state of pan-Arctic hydrological system. Starting during the IPY campaign, the programf will represent a critical benchmark against which to assess future change, with focus on the following key questions: What is the role of the unified Arctic Hydrological Cycle in the global climate system? What are the feedbacks of changes in the Arctic Hydrological Cycle on the regional and global climate systems? What are the impacts of hydrological changes in the Arctic on biology, biogeochemistry, and human society?
