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Full-Text Articles in Life Sciences

Global Pattern And Change Of Cropland Soil Organic Carbon During 1901-2010: Roles Of Climate, Atmospheric Chemistry, Land Use And Management, Wei Ren, Kamaljit Banger, Bo Tao, Jia Yang, Yawen Huang, Hanqin Tian Mar 2020

Global Pattern And Change Of Cropland Soil Organic Carbon During 1901-2010: Roles Of Climate, Atmospheric Chemistry, Land Use And Management, Wei Ren, Kamaljit Banger, Bo Tao, Jia Yang, Yawen Huang, Hanqin Tian

Plant and Soil Sciences Faculty Publications

Soil organic carbon (SOC) in croplands is a key property of soil quality for ensuring food security and agricultural sustainability, and also plays a central role in the global carbon (C) budget. When managed sustainably, soils may play a critical role in mitigating climate change by sequestering C and decreasing greenhouse gas emissions into the atmosphere. However, the magnitude and spatio-temporal patterns of global cropland SOC are far from well constrained due to high land surface heterogeneity, complicated mechanisms, and multiple influencing factors. Here, we use a process-based agroecosystem model (DLEM-Ag) in combination with diverse spatially-explicit gridded environmental data to …


Climate Extremes Dominating Seasonal And Interannual Variations In Carbon Export From The Mississippi River Basinariations In Carbon Export From The Mississippi River Basin, Hanqin Tian, Wei Ren, Jia Yang, Bo Tao, Wei-Jun Cai, Steven E. Lohrenz, Charles S. Hopkinson, Mingliang Liu, Qichun Yang, Chaoqun Lu, Bowen Zhang, Kamaljit Banger, Shufen Pan, Ruoying He, Zuo Xue Sep 2015

Climate Extremes Dominating Seasonal And Interannual Variations In Carbon Export From The Mississippi River Basinariations In Carbon Export From The Mississippi River Basin, Hanqin Tian, Wei Ren, Jia Yang, Bo Tao, Wei-Jun Cai, Steven E. Lohrenz, Charles S. Hopkinson, Mingliang Liu, Qichun Yang, Chaoqun Lu, Bowen Zhang, Kamaljit Banger, Shufen Pan, Ruoying He, Zuo Xue

Plant and Soil Sciences Faculty Publications

Knowledge about the annual and seasonal patterns of organic and inorganic carbon (C) exports from the major rivers of the world to the coastal ocean is essential for our understanding and potential management of the global C budget so as to limit anthropogenic modification of global climate. Unfortunately our predictive understanding of what controls the timing, magnitude, and quality of C export is still rudimentary. Here we use a process-based coupled hydrologic/ecosystem biogeochemistry model (the Dynamic Land Ecosystem Model) to examine how climate variability and extreme events, changing land use, and atmospheric chemistry have affected the annual and seasonal patterns …