Changjiang river estuary
WebJan 21, 2024 · The Changjiang River is significantly regulated by upstream river dams and mega-sized estuarine engineering constructions. Among them, the Three Gorges Dam (TGD), the Deepwater Navigation Channel (DNC), and the Eastern Hengsha Reclamation (EHR) are representative. The upstream river dam, TGD, was closed in 2003. WebApr 11, 2024 · In recent years, the water–sand composition of the Yangtze River channel has changed due to the influence of human factors, especially the construction of water reservoirs such as the Three Gorges Project. Changing water–sand conditions have a long-term impact on the shaping of the river channel morphology in the middle …
Changjiang river estuary
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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 …
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) … WebApr 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 …
WebJan 7, 2024 · A cruise covering two transects in the Changjiang (Yangtze) estuary in July 2024 was conducted, aiming to explore the sources for riverine $$\\rm{NO}_3^-$$ N O 3 - and identify reactions involved in the $$\\rm{NO}_3^-$$ N O 3 - transformations along the transport of the Changjiang diluted water (CDW). In the river water, $$\\rm{NO}_3^-$$ … WebAug 30, 2024 · The evolution of the shoals and vegetation plays an important role in maintaining the stability of the river regime and the estuarine ecosystem. However, the interaction between the evolution of shoals and vegetation dynamic has rarely been reported. In this study, we determined the interaction between the shoal and vegetation …
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 …
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. mayor of mountainair nmWebDissolved and particulate, organic and inorganic N, P and Si weremeasured in the main stream and 15 major tributaries of the Changjiang (YangtzeRiver) in April–May 1997. mayor of mount holly ncWebApr 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 … mayor of mott ndWebYurong Zhu, Qingqiang Chen. “On the origin of the radial sand ridges in the southern Yellow Sea: Resulting from the modeling of the paleo-radial tidal current fields off the paleo-Yangtze River Estuary and northern Jiangsu coast”. Journal of Coastal Research, 2005, 21 (6): 1245-1256. mayor of mound mnWebMar 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 o Spatial … mayor of mossyrock waWebAug 1, 2001 · In situ data show that fluid mud of the Changjiang Estuary consists of fine sediment ranging from 8 to 11.5 μm (median grain-size) including 28.8%-36.4% of clay. The composition of the clay is illite, chlorite, kaolinite and montmoillonite. The FM is a layer of high sediment concentration near the bed and results from flocculation under the … mayor of mountain view arWebMar 1, 2024 · The formation and maintenance of low oxygen offshore of the Changjiang River Estuary have occurred with high frequency in certain regions, which are defined as bottom hypoxia hotspots. The two major hotspots are the southern shallow bank (Yangtze Bank) and the submarine canyon. mayor of mount pleasant game website