Anhui Province Key Laboratory of Polar Environment and Global Change School of Earth and Space Sciences University of Science and Technology of China Hefei 230036 ChinaKey Laboratory of Regional Climate-Environment for Temperate East Asia Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029 China;
Anhui Province Key Laboratory of Polar Environment and Global Change School of Earth and Space Sciences University of Science and Technology of China Hefei 230036 China;
Anhui Province Key Laboratory of Polar Environment and Global Change School of Earth and Space Sciences University of Science and Technology of China Hefei 230036 China;
State Key Laboratory of Soil and Sustainable Agriculture Institute of Soil Science Chinese Academy of Sciences Nanjing 210008 China;
sunlight; methane; nitrous oxide; greenhouse gas; soil; wetland; Antarctica;