Watershed land use change indirectly dominated the spatial variations of CH4 and N2O emissions from two small suburban rivers

Ziyi Que,Xiaofeng Wang,Tingting Liu,Shengnan Wu,Yixin He,Ting Zhou,Lele Yu,Zhaoyin Qing,Huai Chen,Xingzhong Yuan

Journal of Hydrology（2023）

引用 5|浏览18

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摘要

•Suburban rivers are important CH4 & N2O emitters to the atmosphere.•Suburban rivers presented spatial non-continuity of CH4 & N2O emissions.•Urban expansion dominated the spatial pattern of CH4 & N2O fluxes.•CH4 and N2O fluxes functions based on urban land use were established.•Increasing urban pollutants were powerful driver of CH4 and N2O fluxes.

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关键词

CH4 and N2O,Watershed urbanization,Land use change,Sewage load,Spatial and seasonal variation

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