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Asia-Pacific Network for Global Change Research

Asia-Pacific Network for Global Change Research

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Project • CRRP2016-01MY-Park

Water Pollution Impacts on Carbon Export and Greenhouse Gas Evasion from Asian River Systems

River systems provide ecosystem services crucial for sustaining rapidly expanding population centers in across Asia. Despite far-reaching environmental impacts, human-induced perturbations such as water pollution have rarely been linked to carbon (C) export and greenhouse gas (GHGs) evasion from Asian rivers. The proposed research aims to build a research network on C fluxes through Asian river systems to assess water pollution impacts on Asian rivers as a C source. The project will take a unique approach combining review and synthesis workshops and exploratory field studies. Each year a workshop will be held in a regional hub – Yellow River (East Asia), Mekong River (Southeast), and Ganges-Brahmaputra (South) – to synthesize long-term data available from local sources and to conduct a field trip and follow-up samplings. Standardized protocols for monitoring riverine C fluxes will be disseminated among project members and research communities via workshop sessions and dedicated web pages. Long-term data from local sources and new data from field studies will be integrated into regional-scale syntheses of riverine C fluxes and water quality to provide the first regional assessment of water pollution impacts on Asian rivers as a source of C to the atmosphere and recommendations for water management options integrating water quality and GHG emissions.