Opinion: Recent developments and future directions in studying the mesosphere and lower thermosphere
Opinion: Recent developments and future directions in studying the mesosphere and lower thermosphere
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DOI：
10.5194/acp-23-13255-2023
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发表时间：
2023-10
影响因子：
6.3
通讯作者：
J. Plane;J. Gumbel;K. Kalogerakis;Daniel R. Marsh;C. von Savigny
中科院分区：
文献类型：
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作者：
J. Plane;J. Gumbel;K. Kalogerakis;Daniel R. Marsh;C. von Savigny
摘要。本文首先综述了自大气化学与物理学科建立以来近20年来大气中、低层热层（MLT）区域在化学和相关物理方面的重要进展。这里的重点是化学，但我们也讨论了最近在大气动力学和强迫方面的发现，这些发现对理解MLT的组成和化学很重要。所涵盖的主题包括利用卫星、火箭和地面技术进行观测；MLT在不同长度尺度和时间尺度上的变异性和连通性；大气光排放;宇宙尘埃输入和大气金属层；以及夜光/极地中间层冰云。论文最后讨论了一些重要的未解问题，以及该领域未来十年可能的发展方向。
Abstract. This article begins with a review of important advances in the chemistry and related physics of the mesosphere and lower thermosphere (MLT) region of the atmosphere that have occurred over the past 2 decades, since the founding of Atmospheric Chemistry and Physics. The emphasis here is on chemistry, but we also discuss recent findings on atmospheric dynamics and forcings to the extent that these are important for understanding MLT composition and chemistry. Topics that are covered include observations, with satellite, rocket and ground-based techniques; the variability and connectedness of the MLT on various length scales and timescales; airglow emissions; the cosmic dust input and meteoric metal layers; and noctilucent/polar mesospheric ice clouds. The paper then concludes with a discussion of important unanswered questions and likely future directions for the field over the next decade.