Here we report on a new global, gridded (0.25° lat × 0.25° lon) study of reservoir CH 4 emissions, accounting for new knowledge regarding reservoir areal extent and distribution, and spatiotemporal emission patterns influenced by diurnal variability, temperature-dependent seasonality, satellite-derived freeze-thaw dynamics, and eco-climatic zone. Improved quantification of these CH 4 fluxes, particularly their spatiotemporal distribution, is key to realistically incorporating them in CH 4 modeling and budget studies. ![]() Reservoirs have received recent attention as they may generate high CH 4 fluxes. Inland aquatic systems, such as reservoirs, contribute substantially to global methane (CH 4) emissions yet are among the most uncertain components of the total CH 4 budget.
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