Discharge of the Changjiang (Yangtze River) into the East China Sea

Beardsley, Robert C.; Limeburner, Richard; Yu, Haiqing; Cannon, G. A.

doi:10.1016/0278-4343(85)90022-6

Cited by 602 publications

(329 citation statements)

References 9 publications

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“…The structure and pathway of the CDW in the Chinese coastal area are seasonal. The CDW flows southward along the Chinese coast in the winter monsoon, but in the summer monsoon it has a bimodal structure consisting of a southward coastal jet and a northeastward spread [Mao et al, 1963;Beardsley et al, 1985;Le, 1988;Hu, 1994].…”

Section: Introductionmentioning

confidence: 99%

“…At times, extremely low-salinity water with salinity <25.0 psu arrives even in the coastal area of Cheju-do and the southwestern coastal area of Korea, causing serious deterioration in the local oceanographic and fisheries environments ]. The appearance of such low-salinity water has been attributed to the northeastward spreading of the Changjiang plume, because the discharge from the Changjiang is the most important source of fresh water in the East China Sea.despite numerous studies on the structure and movement of the Changjiang plume (see references in Beardsley et al [1985] and Hu [1994]), mainly because of the large variability in time and space. Even in the Changjiang estuary, the plume exhibits large temporal and spatial variability in pathway and structure [Beardsley et al, 1985].…”

Section: Introductionmentioning

confidence: 99%

“…The appearance of such low-salinity water has been attributed to the northeastward spreading of the Changjiang plume, because the discharge from the Changjiang is the most important source of fresh water in the East China Sea.despite numerous studies on the structure and movement of the Changjiang plume (see references in Beardsley et al [1985] and Hu [1994]), mainly because of the large variability in time and space. Even in the Changjiang estuary, the plume exhibits large temporal and spatial variability in pathway and structure [Beardsley et al, 1985]. Quasisynoptic hydrographic data collected in a large shelf area are required to describe the structure and extension of the Figure 1.…”

Section: Introductionmentioning

confidence: 99%

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Structure and eastward extension of the Changjiang River plume in the East China Sea

Lie¹

2003

J. Geophys. Res.

208

152

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The hydrographic structure and offshore extension of freshwater plume discharged from the Changjiang (also known as the Yangtze) River in the northern East China Sea were investigated by analyzing conductivity‐temperature‐depth (CTD) data and drifter trajectories collected during the summers of 1997 and 1998. From June to early September, when southerly winds prevail, the plume tends to move northeast in the Chinese coastal area and then separates from the coastal zone to travel eastward over 400 km offshore across the western shelf of the northern East China Sea. During other seasons, when northerly winds prevail, the plume is confined to the Chinese coast. In the summer the plume in the midshelf, confined to a thin surface layer 10 to 15 m thick, extends eastward in the form of patches of low‐salinity water rather than spreading as a tongue‐shaped pattern from the Changjiang mouth. The eastward movement of patches in the western shelf is primarily due to upwelling favorable southerly winds. Upon reaching the vicinity of Cheju‐do, an island in the middle of northern East China Sea, the patches are advected to the Korea/Tsushima Strait by either the Cheju Warm Current or a northward‐flowing mean current of the Kuroshio Branch Current and then finally flow into the East/Japan Sea.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Structure and eastward extension of the Changjiang River plume in the East China Sea

Lie¹

2003

J. Geophys. Res.

208

152

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“…Hydrographic and current meter data describing the spatial and temporal structure of the Yangtze River discharge over the inner and middle continental shelf of ECS show that in summer during high runoff, the freshwater discharge near the estuary of the Yangtze exhibited a bimodal distribution with the freshest water extending in a band to the south along the coast, and a relatively shallow, low salinity plume-like structure extending offshore on average towards the northeast (Beardsley et al, 1985).The thin jet theory of Robinson and Niiler(1967) also suggests that the strength and orientation of the river discharge are important. During the summer when winds are relatively weak and river discharge high, the theory implies that the structure of the discharge plume over the inner shelf will be strongly influenced by the inertia of the discharge, vortex stretching, and bottom friction.…”

Section: Regional Settingmentioning

confidence: 99%

Millennial-scale East Asian Summer Monsoon variability recorded in grain size and provenance of mud belt sediments on the inner shelf of the East China Sea during mid-to late Holocene

Wang

Zheng

Tada

et al. 2014

Quaternary International

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The response of the monsoon climate on the inner shelf of the East China Sea (ECS) to abrupt climate changes events within the monsoonal Yangtze River drainage is contentious. Repositioning of the monsoon front is thought to have been responsible for the changes in hydroclimate over the Yangtze River drainage, which has exerted great impact on the sedimentation of the inner shelf of the ECS during the Holocene. Here, we present high-resolution analyses of grain size and provenance of the sediments from core MD06-3040 recovered from the inner shelf of the ECS during MD155-Marco Polo II-IMAGES XIV cruise. Significant variability occurred in the core MD06-3040 with notable decrease in East Asian Summer Monsoon precipitation (presumably drought events) at 6000 BP, 5300 BP, 4500 BP, 3700-3300 BP, 2200 BP, 1400-1300 BP, and 800-600 BP, which coincide with the 18 O w record in the northern ECS and stalagmite 18 O sp records from southern China. Similar patterns of these temporal variations suggest that the Yangtze River discharge associated with EASM precipitation has been a dominant control on the sedimentation on the inner shelf of ECS.

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“…장강 저염분수는 남풍이 우세한 하계동안 장강 하 구에서 동쪽을 향해 북부 동중국해로 이동하고, 북풍이 강 한 동계에는 중국 남부 연안을 따라 남쪽으로 흐른다 (Beardsley et al 1985;Ichikawa and Beardsley 2002). 여 름철 장강 저염분수의 이동 양상은 북부 동중국해역에서 물덩어리 형태(patch type)로 제주 해역을 지나 남해와 동 해로 이동하는 특성을 갖고 있다 (Lie et al 2003).…”

Section: 칭다오 해역에서 2007년 녹조의 소규모 발생에 이어unclassified

Occurrence of Green Macroalgae (Ulva prolifera) Blooms in the Northern East China Sea in Summer 2008

최동림¹,

노재훈²,

유주형³

et al. 2010

Ocean and Polar Research

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: This study examined extensive patches of floating green macroalgal (Ulva prolifera) mats in the northern East China Sea (ECS) using satellite images from mid May through July 2008 and field observation made during early August 2008 cruise. It was previously reported that the massive macroalgal blooms occurred in the coastal areas of Qingdao in China. During our field survey, researchers noticed widely distributed floating patches of macroalgal mats ranging in size from tens of centimeters to a few hundred meters in diameter. Meteorological data in the northern ECS showed high irradiance, high airtemperature, and predominant southerly winds in summer. In the study area during the survey period, surface waters were characterized by the Changjiang Diluted Water (CDW) mass, which contained high concentrations of nitrate and phosphate. The internal transcribed spacer (ITS) sequence of U. prolifera found in the northern ECS was the same as those of U. prolifera sampled from Qingdao blooms, suggesting a possibility that U. prolifera found in two regions would be derived from the same origin. We suggest that U. prolifera in the nearshore Jiangsu Province drifted into the northern ECS and proliferated under favorable meteorological and oceanographic conditions during the summer of 2008.

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Discharge of the Changjiang (Yangtze River) into the East China Sea

Cited by 602 publications

References 9 publications

Structure and eastward extension of the Changjiang River plume in the East China Sea

Structure and eastward extension of the Changjiang River plume in the East China Sea

Millennial-scale East Asian Summer Monsoon variability recorded in grain size and provenance of mud belt sediments on the inner shelf of the East China Sea during mid-to late Holocene

Occurrence of Green Macroalgae (Ulva prolifera) Blooms in the Northern East China Sea in Summer 2008

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