نتایج جستجو برای: carbon budget
تعداد نتایج: 313847 فیلتر نتایج به سال:
The possible trends for atmospheric carbon monoxide in the next 100 years have been illustrated using a coupled atmospheric chemistry and climate model driven by emissions predicted by a global economic development model. Various model runs with different assumptions regarding emissions or model parameters have been carried out to investigate the impacts of model and emission uncertainties on t...
Introduction Conclusions References
Understanding the fate of carbon (C) and nitrogen (N) inputs and outputs from commercial broiler operations is important for increasing the flock C and N efficiency and reducing gaseous emissions. This study was conducted to determine the C and N balance for broiler chickens grown in cages from day old to 42-d market age. Concentrations of ammonia (NH3), methane (CH4), carbon dioxide (CO2) and ...
Vegetation phenology is affected by climate change and in turn feeds back on climate by affecting the annual carbon uptake by vegetation. To quantify the impact of phenology on terrestrial carbon fluxes, we calibrate a bud-burst model and embed it in the Sheffield Dynamic Global Vegetation Model (SDGVM) in order to perform carbon budget calculations. Bud-burst dates derived from the VEGETATION ...
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