在您的搜索结果中查看我们的更多报道。加州海岸正准备迎接大规模海浪，未来几天海平面可能会上升一英尺，堆积在已经饱经蹂躏的海滩上，并增加洪水和侵蚀的风险。
See more of our coverage in your search results. California’s coast is bracing for a massive surge that could push sea levels up by as much as a foot in the coming days, piling onto already battered beaches and raising the risk of flooding and erosion.
这波海浪被称为“沿海困波”或“凯尔文波”，是最近几周加州海岸地区厄尔尼诺现象的影响之一。这不是普通的波浪。
The surge, known as a “coastal trapped wave” or “Kelvin wave,” is one of the effects of El Niño that has been building along the California coast in recent weeks. And this is no ordinary wave.
凯尔文波是一种巨大的、持续的海水膨胀，将使离岸12至18英里地区的海平面上升，可能会对加州海岸线造成严重后果。
The Kelvin wave is a massive, sustained bulge of water that will raise ocean levels across an area stretching 12 to 18 miles offshore — with potentially serious consequences for California’s coastline.
此前，一系列不寻常的海洋事件袭击了沿海社区，包括上个月在马里布太平洋海岸高速公路上发生的海浪。
It comes after a string of unusual ocean events battered coastal communities, including waves that crashed over Pacific Coast Highway in Malibu last month.
由于加州已经面临一系列风暴，海平面上升可能会使洪水和侵蚀变得更加严重。
With California already facing a barrage of storms, the elevated seas could make flooding and erosion even worse.
北卡罗来纳州立大学海洋学家狄龙·阿马亚告诉法新社：“一般的经验法则是，我们在该背景状态下看到的海平面每上升两到四英寸，洪水风险基本上就会增加一倍。”
“The general rule of thumb is that every two to four inches of sea level rise that we see in that background state essentially doubles your flood risk,” Dillon Amaya, an oceanographer at North Carolina State University, told AFP.
凯尔文波本身很常见。目前的情况尤其令人担忧的是，海浪与其他已经袭击加州海岸的因素的结合。
Kelvin waves themselves are common. What makes the current situation particularly concerning is the combination of the wave with other factors already hammering the California coast.
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拉霍亚斯克里普斯海洋研究所气候变化影响与适应中心主任马克·梅里菲尔德告诉《纽约时报》，随着这些条件的积累，加州很快就会出现有记录以来的最高海平面。
With those conditions stacking up, California could soon see its highest sea levels ever recorded, Mark Merrifield, director of the Center for Climate Change Impacts and Adaptation at the Scripps Institute of Oceanography in La Jolla, told the New York Times.
目前，海水温度已然偏高，与此同时，南加州的多处海滩正遭受侵蚀，并努力从近期飓风带来的影响中恢复。
Sea temperatures are already elevated, while several Southern California beaches are dealing with erosion and recovering from the effects of recent hurricanes.
阿马亚指出，凯尔文波既是厄尔尼诺现象的诱因，也是其表现特征之一。
The Kelvin wave is both a cause and a symptom of El Niño, Amaya said.
当这股巨大的水体隆起带横扫太平洋时，它会抑制通常从深海涌升上来的冷水，从而促使海面温度升高——这正是厄尔尼诺现象的典型标志。
As the enormous bulge of water moves across the Pacific, it suppresses the cold water that normally rises from the ocean depths, helping drive warmer surface temperatures — a hallmark of El Niño.