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Wetland is an important part of terrestrial ecosystem because of their unique water-heat effects and greenhouse gas (GHG) metabolic processes. However, the variations in carbon flux and ET in wetland are not yet fully understood. Zhangye wetland is an oasis-desert wetland with complex meteorological conditions. In this study, we used eddy covariance technology and process-based to examine the characteristics...
Model simulation and in situ observations are often used to research water and carbon cycles in terrestrial ecosystems, but each of these methods has its own advantages and limitations. Combining these two methods could improve the accuracy of quantifying the dynamics of the water and carbon fluxes of an ecosystem. Data assimilation is an effective means of integrating modeling with in situ observation...
In order to evaluate the impact of urbanization on carbon cycle, we selected the Beijing city as the study area to estimate CO2 emission both from anthropogenic activity and natural processes. The spatial pattern of annual CO2 emission in 1992 and 2005 in Beijing city was estimated by using the socio-economic statistical data, remote sensing data and GIS-based approach. The main factors include transport,...
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