Effects of tides on the cross-isobath movement of the low-salinity plume in the western Yellow and East China Seas in winter

Bin Wang, Naoki Hirose, Dongliang Yuan, Jae Hong Moon, Xishan Pan

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Offshore extension of the fresh Subei coast water is identified in winter based on in site salinity observation data in this and previous studies. A high-resolution regional ocean circulation model is used to investigate the cross-isobath movement of low salinity-water over the Yellow and East China Seas, and it has reproduced the salinity distribution observed in the winter of 2014–2015 successfully. The model suggests that the low-salinity water is basically degenerated back to the eastern coast of China in winter because of strong northeasterly wind. However, a part of the low-salinity water extends offshore in the southeast direction across the 20–50 m isobaths over the Yangtze Bank, which cannot be explained by either the northerly winter monsoon or the Changjiang discharge. Numerical experiments suggest that the cross-isobath transport of the soluble substances is highly attributed to the tidal residual current, flowing southeastward across 20–50 m isobaths over the whole Yangtze Bank. The results of controlled experiments also indicate that the bottom shear of the tidal current, rather than the tidal mixing, plays a significant role in the cross-isobath current during winter.

Original languageEnglish
Pages (from-to)228-239
Number of pages12
JournalContinental Shelf Research
Volume143
DOIs
Publication statusPublished - Jul 1 2017

Fingerprint

East China Sea
tides
tide
plume
salinity
water salinity
winter
coasts
coast
tidal current
shears
monsoon
experiment
oceans
effect
sea
China
water

All Science Journal Classification (ASJC) codes

  • Oceanography
  • Aquatic Science
  • Geology

Cite this

Effects of tides on the cross-isobath movement of the low-salinity plume in the western Yellow and East China Seas in winter. / Wang, Bin; Hirose, Naoki; Yuan, Dongliang; Moon, Jae Hong; Pan, Xishan.

In: Continental Shelf Research, Vol. 143, 01.07.2017, p. 228-239.

Research output: Contribution to journalArticle

@article{3186b76ce73d44b1804933253068b9a2,
title = "Effects of tides on the cross-isobath movement of the low-salinity plume in the western Yellow and East China Seas in winter",
abstract = "Offshore extension of the fresh Subei coast water is identified in winter based on in site salinity observation data in this and previous studies. A high-resolution regional ocean circulation model is used to investigate the cross-isobath movement of low salinity-water over the Yellow and East China Seas, and it has reproduced the salinity distribution observed in the winter of 2014–2015 successfully. The model suggests that the low-salinity water is basically degenerated back to the eastern coast of China in winter because of strong northeasterly wind. However, a part of the low-salinity water extends offshore in the southeast direction across the 20–50 m isobaths over the Yangtze Bank, which cannot be explained by either the northerly winter monsoon or the Changjiang discharge. Numerical experiments suggest that the cross-isobath transport of the soluble substances is highly attributed to the tidal residual current, flowing southeastward across 20–50 m isobaths over the whole Yangtze Bank. The results of controlled experiments also indicate that the bottom shear of the tidal current, rather than the tidal mixing, plays a significant role in the cross-isobath current during winter.",
author = "Bin Wang and Naoki Hirose and Dongliang Yuan and Moon, {Jae Hong} and Xishan Pan",
year = "2017",
month = "7",
day = "1",
doi = "10.1016/j.csr.2016.06.011",
language = "English",
volume = "143",
pages = "228--239",
journal = "Continental Shelf Research",
issn = "0278-4343",
publisher = "Elsevier Limited",

}

TY - JOUR

T1 - Effects of tides on the cross-isobath movement of the low-salinity plume in the western Yellow and East China Seas in winter

AU - Wang, Bin

AU - Hirose, Naoki

AU - Yuan, Dongliang

AU - Moon, Jae Hong

AU - Pan, Xishan

PY - 2017/7/1

Y1 - 2017/7/1

N2 - Offshore extension of the fresh Subei coast water is identified in winter based on in site salinity observation data in this and previous studies. A high-resolution regional ocean circulation model is used to investigate the cross-isobath movement of low salinity-water over the Yellow and East China Seas, and it has reproduced the salinity distribution observed in the winter of 2014–2015 successfully. The model suggests that the low-salinity water is basically degenerated back to the eastern coast of China in winter because of strong northeasterly wind. However, a part of the low-salinity water extends offshore in the southeast direction across the 20–50 m isobaths over the Yangtze Bank, which cannot be explained by either the northerly winter monsoon or the Changjiang discharge. Numerical experiments suggest that the cross-isobath transport of the soluble substances is highly attributed to the tidal residual current, flowing southeastward across 20–50 m isobaths over the whole Yangtze Bank. The results of controlled experiments also indicate that the bottom shear of the tidal current, rather than the tidal mixing, plays a significant role in the cross-isobath current during winter.

AB - Offshore extension of the fresh Subei coast water is identified in winter based on in site salinity observation data in this and previous studies. A high-resolution regional ocean circulation model is used to investigate the cross-isobath movement of low salinity-water over the Yellow and East China Seas, and it has reproduced the salinity distribution observed in the winter of 2014–2015 successfully. The model suggests that the low-salinity water is basically degenerated back to the eastern coast of China in winter because of strong northeasterly wind. However, a part of the low-salinity water extends offshore in the southeast direction across the 20–50 m isobaths over the Yangtze Bank, which cannot be explained by either the northerly winter monsoon or the Changjiang discharge. Numerical experiments suggest that the cross-isobath transport of the soluble substances is highly attributed to the tidal residual current, flowing southeastward across 20–50 m isobaths over the whole Yangtze Bank. The results of controlled experiments also indicate that the bottom shear of the tidal current, rather than the tidal mixing, plays a significant role in the cross-isobath current during winter.

UR - http://www.scopus.com/inward/record.url?scp=85003906101&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85003906101&partnerID=8YFLogxK

U2 - 10.1016/j.csr.2016.06.011

DO - 10.1016/j.csr.2016.06.011

M3 - Article

AN - SCOPUS:85003906101

VL - 143

SP - 228

EP - 239

JO - Continental Shelf Research

JF - Continental Shelf Research

SN - 0278-4343

ER -