https://scholars.lib.ntu.edu.tw/handle/123456789/606209
標題: | Insights from barium variability in a Siderastrea siderea coral in the northwestern Gulf of Mexico | 作者: | Weerabaddana M.M DeLong K.L Wagner A.J Loke D.W.Y Kilbourne K.H Slowey N Hu H.-M CHUAN-CHOU SHEN |
關鍵字: | Barite;Coral Ba/Ca;Coral Sr/Ca;Drilling mud;Flower Garden Banks;Productivity;Barium;Infill drilling;Offshore drilling;Offshore oil well production;Offshore oil wells;Seawater;Barium concentrations;Continental shelfs;Coral ba/ca;Coral sr/ca;Flower garden bank;Gulf of Mexico;Marine productivity;Offshore oil exploration;Shelf edges;Terrigenous inputs;barium;calcium;chlorophyll;strontium;sea water;barite;chlorophyll a;coral;marine pollution;mud;seasonal variation;Article;concentration (parameter);environmental temperature;geochemistry;geographic distribution;inductively coupled plasma mass spectrometry;measurement accuracy;measurement precision;nonhuman;offshore oil industry;reproducibility;Siderastrea siderea;animal;Anthozoa;coral reef;river;Atlantic Ocean;United States;Animals;Coral Reefs;Rivers | 公開日期: | 2021 | 卷: | 173 | 來源出版物: | Marine Pollution Bulletin | 摘要: | Coral Ba/Ca is a proxy for seawater barium concentration that varies with upwelling, terrigenous input, and marine productivity whereas coral Sr/Ca varies with temperature. We examine monthly coral Ba/Ca and Sr/Ca before and during offshore oil exploration in a Siderastrea siderea coral from West Flower Garden Bank located on the continental shelf edge in the Gulf of Mexico. Coral Ba/Ca variations lack pulses driven by upwelling or river outflow and are not in sync with coral Sr/Ca that exhibit a different seasonal pattern. Seasonal variations in chlorophyll-a concentration negatively correlate with coral Ba/Ca explaining 25% of that variability. A significant increase in mean coral Ba/Ca of 1.76 μmol/mol between 1931–1944 and 1976–2004 corresponds to the increase in the United States barite production and consumption primarily used in offshore oil drilling, which escalated in the 1970s, suggesting oil drilling operations are increasing seawater Ba concentration in the Gulf of Mexico. ? 2021 The Authors |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85116054053&doi=10.1016%2fj.marpolbul.2021.112930&partnerID=40&md5=92eeacbb69694d94364f15300c69019e https://scholars.lib.ntu.edu.tw/handle/123456789/606209 |
ISSN: | 0025326X | DOI: | 10.1016/j.marpolbul.2021.112930 |
顯示於: | 地質科學系 |
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