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首页> 外文期刊>Applied Engineering in Agriculture >ESTIMATING GREENHOUSE GAS EMISSIONS FROM A WASTE LAGOON
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ESTIMATING GREENHOUSE GAS EMISSIONS FROM A WASTE LAGOON

机译:估算废物泻湖中的温室气体排放量

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摘要

A cost-effective approach was used to investigate the relationship between emission of the greenhouse gases (GHG), namely, CO2, CH4, and N2O and energy fluxes from a swine waste lagoon. Energy fluxes were calculated using the Penman method. The energy fluxes showed a diurnal pattern as expected of such fluxes. We found that air temperature and latent energy, lagoon surface temperature and solar radiation, as well as air temperature and wind speed can be used to predict for CO2, CH4, and N2O emissions, respectively. Comparison of observed and predicted emissions provided r(2) values of 0.49, 0.61, and 0.69 for CH4, N2O, and CO2, respectively. This research shows that long-term studies of GHG emissions and meteorological conditions are necessary to better understand the factors controlling the emissions of GHG in order to devise best management practices (BMP) for their control.
机译:一种经济有效的方法被用来研究温室气体(GHG)的排放,即CO2,CH4和N2O与来自猪粪池的能量通量之间的关系。能量通量使用Penman方法计算。能量通量显示出这种通量所预期的昼夜模式。我们发现空气温度和潜能,泻湖表面温度和太阳辐射以及空气温度和风速可以分别用于预测CO2,CH4和N2O排放。比较观察到的排放量和预测的排放量,CH4,N2O和CO2的r(2)值分别为0.49、0.61和0.69。这项研究表明,有必要对温室气体排放和气象条件进行长期研究,以更好地了解控制温室气体排放的因素,从而制定最佳的管理实践(BMP)进行控制。

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