Methods for quantifying methane emissions using unmanned aerial vehicles: a review.
Methods for quantifying methane emissions using unmanned aerial vehicles: a review.
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DOI：
10.1098/rsta.2020.0450
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发表时间：
2021-11-15
期刊：
影响因子：
--
通讯作者：
Allen G
中科院分区：
文献类型：
--
作者：
Shaw JT;Shah A;Yong H;Allen G
甲烷是一种重要的温室气体，其排放对全球气候变化具有至关重要的后果。了解和量化大气甲烷的来源(和汇)对于气候变化缓解和减排战略是不可或缺的，例如2015年《联合国气候变化巴黎协定》中概述的战略。国际社会正在努力利用各种空间和时间尺度的测量平台来限制全球甲烷预算。过去十年来无人机技术的进步为甲烷排放量化开辟了一条新的途径。无人机可以独一无二地配备来监测当地规模的自然和人为排放，与其他平台相比，在多功能性和机动性方面显示出明显的优势。然而，它们的使用并不是没有挑战：需要进一步小型化高性能的甲烷仪器，以充分利用无人机提供的好处。用于模拟小范围、局部尺度上的大气传输和扩散的模型的发展对于提高通量的准确性和精确度也是至关重要的。本文旨在概述目前基于无人机的技术和采样方法，这些技术和采样方法可用于量化地方尺度的甲烷排放通量。这篇文章是讨论会议议题“甲烷上升：气候变暖和食物变暖吗？(第一部分)”的一部分。
Methane is an important greenhouse gas, emissions of which have vital consequences for global climate change. Understanding and quantifying the sources (and sinks) of atmospheric methane is integral for climate change mitigation and emission reduction strategies, such as those outlined in the 2015 UN Paris Agreement on Climate Change. There are ongoing international efforts to constrain the global methane budget, using a wide variety of measurement platforms across a range of spatial and temporal scales. The advancements in unmanned aerial vehicle (UAV) technology over the past decade have opened up a new avenue for methane emission quantification. UAVs can be uniquely equipped to monitor natural and anthropogenic emissions at local scales, displaying clear advantages in versatility and manoeuvrability relative to other platforms. Their use is not without challenge, however: further miniaturization of high-performance methane instrumentation is needed to fully use the benefits UAVs afford. Developments in the models used to simulate atmospheric transport and dispersion across small, local scales are also crucial to improved flux accuracy and precision. This paper aims to provide an overview of currently available UAV-based technologies and sampling methodologies which can be used to quantify methane emission fluxes at local scales. This article is part of a discussion meeting issue 'Rising methane: is warming feeding warming? (part 1)'.
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