论文标题
循环当前对西佛罗里达货架连通性的影响并影响红潮活动
Loop Current influence on the connectivity of the West Florida Shelf and impacts on red tide events
论文作者
论文摘要
我们研究了环电流（LC）对墨西哥湾连通性的影响，重点是西佛罗里达州架（WFS），并利用墨西哥湾（GOM）的卫星追踪漂流浮标的原位轨迹。我们将数据集归为两组，即环电流扩展和缩回阶段，这些阶段用于构造两个在这两个时期内代表不同基础动力学的马尔可夫链。发现LC相可影响和修改GOM的一般连通性。此外，我们强调了几乎不变的区域的存在，那里的颗粒倾向于长时间保留，当LC扩展时，WFS。这些区域受到先前确定的跨架运输屏障的限制，对应于Karenia Brevis的高密度区域的记录，Karenia Brevis是负责红潮的鞭毛藻。最后，我们表明，马尔可夫链建模可以通过使用毁灭性的2017年红潮事件作为测试案例来帮助预测有害藻类。介绍了WFS的发展阶段及其对佛罗里达东海岸生态系统的进一步传播。
We investigate the influence of the Loop Current (LC) on the connectivity of the Gulf of Mexico, with a focus on the West Florida Shelf (WFS), using in situ trajectories from satellite-tracked drifting buoys in the Gulf of Mexico (GoM). We subset the dataset into two groups, Loop Current extended and retracted phases, that are used to construct two Markov Chains representing the distinct underlying dynamics during those two periods. The LC phases were found to impact and modify substantively the general connectivity of the GoM. Additionally, we highlight the presence of almost-invariant regions, where particles tend to remain for an extended period, on the WFS when the LC is extended. Those regions are bounded by a previously identified Cross-Shelf Transport Barrier and correspond to records of high-density areas of Karenia Brevis, a dinoflagellate responsible for red tides. Finally, we show that Markov Chain modeling could help forecast harmful algae blooms by using the devastating 2017 red tide event as a test case. The development phase on the WFS and its further propagation to Florida's east coast ecosystems is presented.
