Impact of sea-level rise and coral mortality on the wave dynamics and wave forces on barrier reefs
Impact of sea-level rise and coral mortality on the wave dynamics and wave forces on barrier reefs
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DOI：
10.1016/j.marpolbul.2014.03.058
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发表时间：
2014-06-15
影响因子：
5.8
通讯作者：
Mumby, P. J.
中科院分区：
文献类型：
--
作者：
Baldock, T. E.;Golshani, A.;Mumby, P. J.
一个一维的波浪模型被用来调查的礁顶波动力学在一个大套的理想化的礁泻湖配置文件，代表珊瑚礁系统在不同的海平面上升（SLR）的情况下。模拟结果表明，SLR的影响在空间上各不相同，并受到珊瑚礁和珊瑚类型水深的强烈影响。一个复杂的反应发生的波轨道速度和珊瑚的力量，这样的变化在波浪动力学不同的珊瑚礁。对块状珊瑚和分枝珊瑚的不同波浪负荷制度也导致SLR的对比影响。对于许多珊瑚礁水深测量，波浪轨道速度随着SLR的增加而增加，而对于某些珊瑚物种，气旋波浪力则减少。这些变化可能有益于珊瑚健康和群体复原力，并意味着预测SLR对珊瑚礁的影响需要仔细考虑珊瑚礁测深和珊瑚物种的组合。(C)2014爱思唯尔有限公司版权所有。
A one-dimensional wave model was used to investigate the reef top wave dynamics across a large suite of idealized reef-lagoon profiles, representing barrier coral reef systems under different sea-level rise (SLR) scenarios. The modeling shows that the impacts of SLR vary spatially and are strongly influenced by the bathymetry of the reef and coral type. A complex response occurs for the wave orbital velocity and forces on corals, such that the changes in the wave dynamics vary reef by reef. Different wave loading regimes on massive and branching corals also leads to contrasting impacts from SLR. For many reef bathymetries, wave orbital velocities increase with SLR and cyclonic wave forces are reduced for certain coral species. These changes may be beneficial to coral health and colony resilience and imply that predicting SLR impacts on coral reefs requires careful consideration of the reef bathymetry and the mix of coral species. (C) 2014 Elsevier Ltd. All rights reserved.