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首页> 外文期刊>Journal of hydrometeorology >WATCH: Current Knowledge of the Terrestrial Global Water Cycle
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WATCH: Current Knowledge of the Terrestrial Global Water Cycle

机译：观看：陆地全球水循环的最新知识

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摘要

Water-related impacts are among the most important consequences of increasing greenhouse gas concentrations. Changes in the global water cycle will also impact the carbon and nutrient cycles and vegetation patterns. There is already some evidence of increasing severity of floods and droughts and increasing water scarcity linked to increasing greenhouse gases. So far, however, the most important impacts on water resources are the direct interventions by humans, such as dams,water extractions, and river channelmodifications. TheWater and Global Change (WATCH) project is a major international initiative to bring together climate and water scientists to better understand the current and future water cycle. This paper summarizes the underlying motivation for theWATCHproject and themajor results froma series of papers published or soon to be published in the Journal of HydrometeorologyWATCH special collection. At its core is theWater Model Intercomparison Project (WaterMIP),which brings together a wide range of global hydrological and land surfacemodels runwith consistent driving data. It is clear that we still have considerable uncertainties in the future climate drivers and in how the river systems will respond to these changes. There is a grand challenge to the hydrological and climate communities to both reduce these uncertainties and communicate them to a wider society.
机译：与水有关的影响是增加温室气体浓度的最重要后果之一。全球水循环的变化还将影响碳和养分循环以及植被格局。已经有一些证据表明，洪水和干旱的严重性增加，以及与温室气体增加有关的水资源稀缺性增加。但是，到目前为止，对水资源的最重要影响是人类的直接干预，例如水坝，取水和河道改造。水与全球变化（WATCH）项目是一项重大的国际计划，旨在汇聚气候和水科学家，以更好地了解当前和未来的水循环。本文总结了WATCH项目的潜在动机以及在《水文气象WATCH期刊》特刊中即将发表或即将发表的一系列论文的主要结果。水模型比对项目（WaterMIP）的核心是该模型，该模型汇集了范围广泛的全球水文模型和陆地表面模型，并具有一致的行驶数据。显然，在未来的气候驱动因素以及河流系统如何应对这些变化方面，我们仍然存在很大的不确定性。水文和气候社区面临着巨大的挑战，既要减少这些不确定性，又要把它们传达给更广泛的社会。

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