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首页> 外文期刊>Surveys in Geophysics: An International Review Journal of Geophysics and Planetary Sciences >Review of Understanding of Earth's Hydrological Cycle: Observations, Theory and Modelling
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Review of Understanding of Earth's Hydrological Cycle: Observations, Theory and Modelling

机译：审查对地球水文循环的理解：观测，理论和模型

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摘要

Water is our most precious and arguably most undervalued natural resource. It is essential for life on our planet, for food production and economic development. Moreover, water plays a fundamental role in shaping weather and climate. However, with the growing global population, the planet's water resources are constantly under threat from overuse and pollution. In addition, the effects of a changing climate are thought to be leading to an increased frequency of extreme weather causing floods, landslides and drought. The need to understand and monitor our environment and its resources, including advancing our knowledge of the hydrological cycle, has never been more important and apparent. The best approach to do so on a global scale is from space. This paper provides an overview of the major components of the hydrological cycle, the status of their observations from space and related data products and models for hydrological variable retrievals. It also lists the current and planned satellite missions contributing to advancing our understanding of the hydrological cycle on a global scale. Further details of the hydrological cycle are substantiated in several of the other papers in this Special Issue.
机译：水是我们最宝贵，最有可能被低估的自然资源。它对我们星球上的生命，粮食生产和经济发展至关重要。此外，水在塑造天气和气候方面起着根本作用。但是，随着全球人口的增长，地球的水资源一直受到过度使用和污染的威胁。另外，气候变化的影响被认为导致极端天气的频率增加，从而导致洪水，山体滑坡和干旱。了解和监测我们的环境及其资源，包括提高我们对水文循环知识的需求，从未如此重要和明显。在全球范围内做到这一点的最佳方法是从太空。本文概述了水文循环的主要组成部分，它们从空间的观测状况以及有关水文变量检索的相关数据产品和模型。它还列出了当前和计划中的卫星任务，这些任务有助于在全球范围内增进我们对水文循环的了解。本期特刊中的其他几篇论文进一步证实了水文循环的更多细节。

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