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石油和天然气甲超级发射器的总体评估

T Lauvaux¹, C Giron², M Mazzolini²

¹Laboratoire des Sciences du Climat et de l'Environnement, IPSL, Univ. de Saclay, Saclay, France.

Science (New York, N.Y.)

|February 3, 2022

概括

石油和天然气业务的大量甲泄漏,被称为超级排放,对气候变化有很大影响. 针对这些大量的甲排放源提供了具有成本效益的气候缓解,并带来了巨大的经济效益.

科学领域:

环境科学
大气化学
气候变化研究

背景情况:

石油和天然气生产的甲排放是气候变化的重要驱动因素.
目前的库存估计往往忽略了O&G基础设施中零星大量的甲排放.

研究的目的:

识别和量化全球石油和天然气运营中的超大甲排放事件.
评估这些超级排放者对O&G总体排放的贡献.
评估减缓潜力和相关的经济效益.

主要方法:

通过TROPOMI卫星图像检测到的数百个非常大的甲释放.
全球主要O&G盆地内的超级发射器位置的地理空间分析.
估计总甲贡献和减排策略的成本效益分析.

主要成果:

在全球主要的O&G生产盆地中发现了超级排放物.
这些事件占O&G总排放量的8-12%,相当于每年约800万.
减轻超级排放量在技术上是可行的,在经济上也是有利的.

结论:

超大甲排放是O&G排放的关键,但被低估的组成部分.
针对超级排放者提供了具有成本效益的气候变化缓解的重要机会.
实施减排战略带来了巨大的经济效益,特别是对主要的O&G生产国.

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