Long-term changes in the concentrations of nutrients in the marginal seas (Yellow Sea, East China Sea, and East/Japan Sea) neighboring the Korean Peninsula

被引：4
|
作者：
Park, Sojin [1 ]
Kim, Guebuem [1 ]
Kwon, Hyeong Kyu [1 ]
Han, In-Seong [2 ]
机构：
[1] Seoul Natl Univ, Res Inst Oceanog, Sch Earth & Environm Sci, Seoul 08826, South Korea
[2] Natl Inst Fisheries Sci, Ocean Climate & Ecol Res Div, Pusan 46083, South Korea
来源：
MARINE POLLUTION BULLETIN | 2023年 / 192卷
基金：
新加坡国家研究基金会;
关键词：
Northwest Pacific; Oligotrophication; Nitrogen; Phosphorus; Long-term decline; SUBMARINE GROUNDWATER DISCHARGE; FLUXES; PACIFIC; SGD; HYPOXIA; CARBON; RA-228; WATER;
D O I：
10.1016/j.marpolbul.2023.115012
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
We examined the changes in the concentrations of dissolved inorganic nitrogen (DIN) and phosphorus (DIP) in the surface waters of the Yellow Sea (YS), the southern sea (SS) of Korea, and the East/Japan Sea (ES) from 1995 to 2021. These marginal seas neighboring the Korean Peninsula maintained nutrient concentrations approximately an order of magnitude higher than those in the Kuroshio waters, indicating extraordinarily large terrestrial source inputs. Generally, the DIN concentration in the YS increased gradually due to the accumulation of terrestrial inputs, while the nutrient concentrations in the ES declined gradually mainly due to enhanced water stratification. The SS showed the maximum DIN concentrations around 2005, associated with freshwater influence. In Korean coastal waters within similar to 10 km from the coastline, nutrient concentrations declined sharply during this period due to decreased terrestrial nutrient inputs. The rapid changes in the nutrient levels in these seas may significantly alter biological production.
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页数：6
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