"We see that the N2O emissions have increased considerably during the past two decades, but especially from 2009 onwards," says climate scientist Rona Thompson from the Norwegian Institute for Air Research (NILU).
挪威大气研究所的气候科学家Rona Thompson说:“我们发现过去二十年内氧化亚氮排放量大大增加,2009年以后尤为严重。”
"Our estimates show that the emission of N2O has increased faster over the last decade than estimated by the Intergovernmental Panel on Climate Change (IPCC) emission factor approach."
“我们的判断表明在过去十年间氧化亚氮排放速度比联合国政府间气候变化专门委员会利用排放因子法预计的快很多。”
Instead of basing their calculations on human emissions, which are usually gathered from indirect sources, the researchers used a 'top-down' approach, based on dozens of atmospheric measurements from around the world. These data were then used to predict N2O dynamics on land and in the ocean between 1998 and 2016.
研究人员的计算并非基于通常从间接来源收集的人为排放量,而是利用“自上而下”的方法,基于全球数十个大气测量值进行计算。这些数据被用来预测1998 年至 2016年间陆地和海洋的氧化亚氮的动态变化。
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