Geochemistry of the dissolved loads during high-flow season of rivers in the southeastern coastal region of China: anthropogenic impact on chemical weathering and carbon sequestration
Wenjing Liu,Zhifang Xu,Huiguo Sun,Tong Zhao,Chao Shi,and Taoze Liu
Wenjing Liu
Key Laboratory of Cenozoic Geology and Environment, Institute of
Geology and Geophysics, Institutions of Earth Science, Chinese Academy of
Sciences, Beijing 100029, China
CAS Center for Excellence in Life and Paleoenvironment, Beijing,
100044, China
University of Chinese Academy of Sciences, Beijing 100049, China
Key Laboratory of Cenozoic Geology and Environment, Institute of
Geology and Geophysics, Institutions of Earth Science, Chinese Academy of
Sciences, Beijing 100029, China
CAS Center for Excellence in Life and Paleoenvironment, Beijing,
100044, China
University of Chinese Academy of Sciences, Beijing 100049, China
Huiguo Sun
Key Laboratory of Cenozoic Geology and Environment, Institute of
Geology and Geophysics, Institutions of Earth Science, Chinese Academy of
Sciences, Beijing 100029, China
University of Chinese Academy of Sciences, Beijing 100049, China
Tong Zhao
Key Laboratory of Cenozoic Geology and Environment, Institute of
Geology and Geophysics, Institutions of Earth Science, Chinese Academy of
Sciences, Beijing 100029, China
University of Chinese Academy of Sciences, Beijing 100049, China
Chao Shi
University of Chinese Academy of Sciences, Beijing 100049, China
Taoze Liu
State Key Laboratory of Environmental Geochemistry, Institute of
Geochemistry, Chinese Academy of Sciences,
Guiyang, Guizhou 550002, China
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The southeastern coastal region is the top acid-rain-impacted area in China. It is worth evaluating the acid deposition impacts on chemical weathering and CO2 consumption there. River water geochemistry evidenced an overestimation of CO2 sequestration if H2SO4/HNO3 involvement was ignored, which accounted for 33.6 % of the total flux by silicate weathering in this area. This study quantitatively highlights the anthropogenic acid effects on chemical weathering and associated CO2 consumption.
The southeastern coastal region is the top acid-rain-impacted area in China. It is worth...
