Changjiang river estuary

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August undefined, 2024

WebThe Chinese paddlefish (Psephurus gladius; simplified Chinese: 白鲟; traditional Chinese: 白鱘; pinyin: báixún: literal translation: "white sturgeon"), also known as the Chinese swordfish, is an extinct species of fish that was formerly native to the Yangtze and Yellow River basins in China. With records of specimens over three metres (ten feet) and … WebFeb 3, 2024 · Keywords: Changjiang (Yangtze river) estuary, coastal circulation, East China Sea, river plume, bulge. Citation: Liu Z, Gan J, Wu H, Hu J, Cai Z and Deng Y (2024) Advances on Coastal and Estuarine …

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WebThe Yangtze or Yangzi (English: / ˈ j æ ŋ t s i / or / ˈ j ɑː ŋ t s i /; simplified Chinese: 长江; traditional Chinese: 長江; pinyin: Cháng Jiāng; lit. 'long river') is the longest river in Eurasia, the third-longest in the world, and the … WebNov 29, 2024 · The Changjiang River flows passed multiple mega cities in East China and then merges into the East China Sea through delta outlets. The huge amount of freshwater input facilitates the stabilization of the water column and strengthens vertical stratification. barbara kentner case

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WebJun 4, 2010 · In June 2003 and 2006 concentrations of nutrient were determined in the Changjiang Estuary. The data indicated that phosphate and nitrate did not behave conservatively in the estuary, but silicate behaved conservatively. An important mobilization of phosphate and nitrate was observed from the river up to halfway in the estuary. WebNov 4, 2024 · Hypoxia is increasingly reported off the Changjiang River Estuary with the confluence of multiple high volume nutrient sources. The Regional Ocean Modeling System coupled with a biological model was used to analyze the effect of different nutrient sources on the development of hypoxia off the Changjiang River Estuary. By comparing to … WebMay 1, 2024 · SPINE: May 1, 2024 - Volume 46 - Issue 9 - p i. doi: 10.1097/01.brs.0000749640.37999.84. Free. “Estuary Region of the Changjiang … barbara kennedy davis

Seasonal changes in phytoplankton biomass and dominant

WebThe coastal region in east China experiences massive anthropogenic eutrophication, and the bottom water off the Changjiang River Estuary in the East China Sea faces the threat of severe seasonal ... WebNov 9, 2014 · The characteristics of seasonal variation in phytoplankton biomass and dominant species in the Changjiang River Estuary and adjacent seas were discussed based on field investigation data from 1959 to 2009. The field data from 1981 to 2004 showed that the Chlorophyll-a concentration in surface seawater was between 0.4 and … barbara kerntWebApr 14, 2024 · The concentration of DIN showed a significant correlation (r = 0.72, p <0.001) against the river water discharge, indicating that the river-derived DIN is a main source … barbara kerry

"Web2 days ago · Totally 20 sampling sites were selected in Jiangsu coastal area in China (Fig. 1), including the Yangtze River estuary, the Sheyang River estuary, and the Guanhe & Xinyi River estuary. Each offshore area was sampled for 5–10 sites along the flow direction of the river, with an interval of 2–3 miles each. Six major rivers flowing into the ... " - Changjiang river estuary

Changjiang river estuary

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WebJan 23, 2024 · Some of the findings have sparked new research directions, including systematic studies of nutrients in the Changjiang River; sources and control mechanisms of nitrogen and phosphorus in the Changjiang River and its estuary; removal and transport of nutrients in the turbidity maximum zone and upwelling area of the Changjiang estuary; … http://chem.ouc.edu.cn/2024/0306/c28915a425550/page.htm

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WebSep 28, 2024 · The intrusion of the Kuroshio into the East China Sea (ECS) affects the development of hypoxia off the Changjiang (Yangtze) River estuary; however, quantitative analysis of its impacts is lacking. In this study, the Regional Ocean Modeling Systems (ROMS) model coupled with the Carbon, Silicate and Nitrogen Ecosystem (CoSiNE) … WebJan 1, 2015 · The Changjiang Estuary has a tidal limit of nearly 640 km, a 90-km-wide river mouth, and is characterized by multiple bifurcations due to sand islands (Fig. 2.1 ). Downstream from Xuliujing, the estuary is divided by Chongming Island into the South Branch (SB) and North Branch (NB).

WebJul 16, 2024 · A few studies have recently used absorption and fluorescence spectroscopy to characterise DOM in the ECS close to the Changjiang River estuary 17,18,19. However, ... WebChangjiang River Estuary China: 20–340: Fibre Rayon, PES: Peng et al. (2024) Yondingxinhe River Haihe River, China: 788.0 ± 464.21333.3 ± 782.1: ... different sampling and analytical procedures for MPs are applied in the research. In China's Yangtze Estuary and Bohai Bay, pumps were utilized to collect MPs from surface water (Wu et al ...

WebMar 6, 2024 · A potential proxy for seasonal hypoxia: LA-ICP-MS Mn/Ca ratios in benthic foraminifera from the Yangtze River Estuary. Geochimica et Cosmochimica Acta, 2024, 245: 290-303. 16)Disong Yang, Bochao Xu*, William Burnett, Zhigang Yu, Xueyan Jiang, Xiaojie Zhang, Shibin Zhao, Dong Xia. Radium isotopes-suspended sediment … WebApr 6, 2024 · Background air samples, including gas-phase components and suspended particulates, were collected over one year (2013-2014) for an investigation of polychlorinated biphenyls (PCBs) and OC/EC in the Yangtze River Estuary. PCB concentrations exhibited great seasonal variability and ranged between 43 and 720 pg·m−3. They mainly were …

WebIn a survey on the Yellow Sea and the East China Sea on August 20-30 of 1999, we found a hypoxic zone (<2 mg/L) of 13700 km 2 with an average thickness of 20m at the bottom of the Changjiang (Yangtze River) Estuary, with an oxygen minimum value of 1 mg/L.

WebNov 12, 2008 · Dissolved methane (CH4) was measured in the waters of the Changjiang (Yangtze River) Estuary and its adjacent marine area during five surveys from 2002 to 2006. Dissolved CH4 concentrations ranged from 2.71 to 89.2 nM and had seasonal variation with the highest values occurring in summer and lowest in autumn. The … pvhoiWebApr 14, 2024 · The Yangtze River Estuary exhibited higher SPM content compared to other areas, owing to the substantial terrestrial input. The average SPM content in the surface … pvk tutkimusWebApr 14, 2024 · The concentration of DIN showed a significant correlation (r = 0.72, p <0.001) against the river water discharge, indicating that the river-derived DIN is a main source of DIN in this estuary, and that DIN is quite conservative in this river water-seawater mixing zone ().The average DIN concentration in the fresh river water (salinity <2) during large … barbara kennedyWebApr 14, 2024 · The Yangtze River Estuary exhibited higher SPM content compared to other areas, owing to the substantial terrestrial input. The average SPM content in the surface layer and bottom layer ranged from 150–300 mg/L and 400–500 mg/L to 250 mg/L and 450 mg/L, respectively. In contrast, the Hangzhou Bay area demonstrated a relatively weak ... pvi businessWebMar 18, 2024 · The Changjiang River discharges huge amounts of nutrients, which cause frequent harmful algal blooms off its estuary. By analyzing historical and in situ observational data, this study aimed to ... barbara kent qcat pveliteWebJan 7, 2024 · An analysis of EBI interdecadal variability showed that the health status of the Changjiang River estuary ecosystem over the last 30 years first declined and then stabilized at a lower level. This result further settled the argument for urgent protection and restoration of the Changjiang River estuary. Download to read the full article text pvl italkit euro 3