全球地表温度卫星遥感:定义、方法、产品和应用

IF 25.2 1区 地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS Reviews of Geophysics Pub Date : 2022-12-24 DOI:10.1029/2022RG000777
Zhao-Liang Li, Hua Wu, Si-Bo Duan, Wei Zhao, Huazhong Ren, Xiangyang Liu, Pei Leng, Ronglin Tang, Xin Ye, Jinshun Zhu, Yingwei Sun, Menglin Si, Meng Liu, Jiahao Li, Xia Zhang, Guofei Shang, Bo-Hui Tang, Guangjian Yan, Chenghu Zhou
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引用次数: 40

摘要

地表温度是反映陆-气相互作用的重要参数,引起了地球科学家的广泛关注。随着对地观测技术的快速发展,遥感地表温度在各个领域发挥着越来越重要的作用。本文综述了LST估计算法的研究进展,并对其进一步应用进行了展望。因此,我们简要回顾了最常用的热红外(TIR) LST估计算法。更重要的是,本文提供了广泛使用的基于tir的LST产品的全面集合,并通过对几个代表性产品的系统比较分析,为这些产品在不同土地覆盖条件下的不确定性提供了重要见解。在对产品精度进行讨论的基础上,通过引入最有效的方法,解决了当前LST产品存在的空间不连续、时空不可比较性和时间跨度短等问题。为了克服现有地表温度产品面临的这些挑战,在开发时空无缝地表温度数据方面取得了很大进展,极大地促进了这些产品在地表蒸散发和土壤水分估算、农业干旱监测、热环境监测、热异常监测和气候变化等领域的成功应用。总体而言,本文综述了基于红外光谱的地表温度研究的最新进展和地表温度产品在不同时空尺度上的应用现状,确定了进一步研究的关键需求和方向,以推进和优化地表温度的检索方法,并促进地表温度的应用,以提高对地表热动力学和交换的理解。
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Satellite Remote Sensing of Global Land Surface Temperature: Definition, Methods, Products, and Applications

Land surface temperature (LST) is a crucial parameter that reflects land–atmosphere interaction and has thus attracted wide interest from geoscientists. Owing to the rapid development of Earth observation technologies, remotely sensed LST is playing an increasingly essential role in various fields. This review aims to summarize the progress in LST estimation algorithms and accelerate its further applications. Thus, we briefly review the most-used thermal infrared (TIR) LST estimation algorithms. More importantly, this review provides a comprehensive collection of the widely used TIR-based LST products and offers important insights into the uncertainties in these products with respect to different land cover conditions via a systematic intercomparison analysis of several representative products. In addition to the discussion on product accuracy, we address problems related to the spatial discontinuity, spatiotemporal incomparability, and short time span of current LST products by introducing the most effective methods. With the aim of overcoming these challenges in available LST products, much progress has been made in developing spatiotemporal seamless LST data, which significantly promotes the successful applications of these products in the field of surface evapotranspiration and soil moisture estimation, agriculture drought monitoring, thermal environment monitoring, thermal anomaly monitoring, and climate change. Overall, this review encompasses the most recent advances in TIR-based LST and the state-of-the-art of applications of LST products at various spatial and temporal scales, identifies critical further research needs and directions to advance and optimize retrieval methods, and promotes the application of LST to improve the understanding of surface thermal dynamics and exchanges.

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来源期刊
Reviews of Geophysics
Reviews of Geophysics 地学-地球化学与地球物理
CiteScore
50.30
自引率
0.80%
发文量
28
审稿时长
12 months
期刊介绍: Geophysics Reviews (ROG) offers comprehensive overviews and syntheses of current research across various domains of the Earth and space sciences. Our goal is to present accessible and engaging reviews that cater to the diverse AGU community. While authorship is typically by invitation, we warmly encourage readers and potential authors to share their suggestions with our editors.
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