十年时间尺度上的地面海滩体积变化:立陶宛波罗的海海岸

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2017-08-01 DOI:10.1127/ZFG/2017/0441

Darius Jarmalavičius, G. Zilinskas, D. Pupienis, J. Kriaučiūnienė

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引用次数: 5

摘要

预测未来海岸演变最重要的问题之一是确定海平面上升对海岸系统的潜在影响。评估了2002-2013年立陶宛波罗的海沿岸海平面和风势波动对具有不同地貌和沙源的无潮海岸系统的影响。调查显示，在年代际尺度上，陆上海滩体积变化与相对海平面上升之间没有显著的相关性。然而，较小的相对海平面上升(高达2毫米/年)甚至可能决定沉积物供应充足和近岸坡度平缓的沿海地区的吸积过程。因此，我们认为极端事件、沙源供应、海岸地貌、风浪气候是影响陆上海滩体积变化的最重要因素。我们的发现对面临各种环境强迫因素的其他波浪主导的屏障海岸具有启示意义。

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Subaerial beach volume change on a decadal time scale: the Lithuanian Baltic Sea coast

One of the most important problems in predicting future coastal evolution is determining the potential impacts of sea level rise on coastal systems. The influence of sea level and wind regime fluctuations on tideless coastal systems with different geomorphology and sand availability was assessed for the period of 2002–2013 along the Lithuanian Baltic Sea coast. The investigation showed no significant dependence between subaerial beach volume change and relative sea level rise on a decadal time scale. However, a minor relative sea level rise (up to 2 mm/yr) may determine even accretion processes in coastal zones with ample sediment supply and a gentle nearshore slope. Therefore we suppose, that extreme events, sand supply, coastal geomorphology, wind and wave climate, are among the most crucial factors affecting subaerial beach volume change. Our findings have implication to other wave-dominated barrier coasts faced with a variety of environmental forcing factors.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.