Cumulative growing season, non-growing season, and annual methane fluxes from temperate, boreal, and tundra wetlands and uplands

Synthesis of cumulative growing season, non-growing season, and annual methane fluxes from temperate, boreal, and tundra wetlands and uplands. Includes references, site names, coordinates, wetland or ecosystem classification, ancillary information (water table, temperature, pH), soil type, permafrost presence/absence, vegetation description, measurement method, and mean daily flux.