The Scientific Legacy of the CARIACO Ocean Time-Series Program.
The Scientific Legacy of the CARIACO Ocean Time-Series Program.
复制标题
CARIACO 海洋时间序列计划的科学遗产。
DOI：
--
复制
发表时间：
2019
影响因子：
17.3
通讯作者：
R. Varela
中科院分区：
文献类型：
--
作者：
F. Muller‐Karger;Y. Astor;C. Benitez‐Nelson;K. Buck;K. Fanning;L. Lorenzoni;E. Montes;Digna Rueda;M. Scranton;E. Tappa;G. Taylor;R. Thunell;L. Troccoli;R. Varela
位于北纬10.50°，西经64.66°的Cariaco(有色海洋中的碳保持)海洋时间序列计划站，于1995年11月至2017年1月在加勒比海西南部的Cariaco盆地观测了生物地球化学和生态过程。该项目每月完成232次岩心巡航、40次沉积物捕集器部署巡航和40次微生物地球化学工艺巡航。沿南加勒比海的上升流大约发生在11月至8月。较高的生物生产力(320-628gCm-2y-1)导致了较大的颗粒有机质垂直通量，但只有大约9-10gCm-2y-1落入底层沉积物(∼占初级生产力的1-3%)。异养和化学自养微生物、病毒和原生动物的多样性群落在缺氧-缺氧界面内茁壮成长。大约从2003年到2013年，上升流强度下降，同时在该区域过度捕捞沙丁鱼，导致浮游植物水华强度降低，浮游植物多样性增加，浮游动物密度增加。Cariaco盆地最深的水域在温度、盐度、硫化氢、氨、磷酸盐、甲烷和二氧化硅方面显示出长期的积极趋势。地震和沿海洪灾也导致沉积物被输送到海底。该项目的遗产包括来自亚氧和缺氧栖息地的气候质量数据以及国际研究人员之间的持久关系。
The CARIACO (Carbon Retention in a Colored Ocean) Ocean Time-Series Program station, located at 10.50°N, 64.66°W, observed biogeochemical and ecological processes in the Cariaco Basin of the southwestern Caribbean Sea from November 1995 to January 2017. The program completed 232 monthly core cruises, 40 sediment trap deployment cruises, and 40 microbiogeochemical process cruises. Upwelling along the southern Caribbean Sea occurs from approximately November to August. High biological productivity (320-628 g C m-2 y-1) leads to large vertical fluxes of particulate organic matter, but only approximately 9-10 g C m-2 y-1 fall to the bottom sediments (∼1-3% of primary production). A diverse community of heterotrophic and chemoautotrophic microorganisms, viruses, and protozoa thrives within the oxic-anoxic interface. A decrease in upwelling intensity from approximately 2003 to 2013 and the simultaneous overfishing of sardines in the region led to diminished phytoplankton bloom intensities, increased phytoplankton diversity, and increased zooplankton densities. The deepest waters of the Cariaco Basin exhibited long-term positive trends in temperature, salinity, hydrogen sulfide, ammonia, phosphate, methane, and silica. Earthquakes and coastal flooding also resulted in the delivery of sediment to the seafloor. The program's legacy includes climate-quality data from suboxic and anoxic habitats and lasting relationships between international researchers.