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Climate and the Pace of Erosional Landscape Evolution
Annual Review of Earth and Planetary Sciences ( IF 11.3 ) Pub Date : 2017-08-30 , DOI: 10.1146/annurev-earth-060614-105405
J. Taylor Perron 1
Affiliation  

Earth's climate affects nearly all aspects of landscape evolution, from the breakdown of rock to the delivery of sediment to the oceans. Yet quantifying climate's influence on landscapes is a major challenge, not only because it is difficult to know how landscapes responded to past changes in climate, but also because landscapes are shaped by various processes that respond to climate in different ways. I review the current state of efforts to quantify climate's effects on the rates of the main processes that drive landscape evolution, with a focus on unglaciated landscapes formed by bedrock erosion. Although many uncertainties remain, recent research has clarified how the processes governing hillslopes, bedrock channels, and chemical erosion depend on major climate factors such as precipitation and temperature. A few themes emerge, including the importance of climatically mediated biological processes, the role of variability, and the value of natural experiments for revealing climate's effects.

中文翻译:

气候和侵蚀景观演变的速度

地球的气候几乎影响到景观演变的所有方面,从岩石的分解到沉积物向海洋的输送。然而,量化气候对景观的影响是一项重大挑战,不仅因为很难知道景观如何对过去的气候变化做出反应,还因为景观是由以不同方式对气候做出反应的各种过程形成的。我回顾了量化气候对推动景观演变的主要过程的速率的影响的当前状态,重点是由基岩侵蚀形成的未冰川景观。尽管仍有许多不确定性,但最近的研究已经阐明了控制山坡、基岩通道和化学侵蚀的过程如何取决于降水和温度等主要气候因素。出现了几个主题,
更新日期:2017-08-30
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