Distribution patterns of chlorophyll a in spring and autumn in association with hydrological features in the southern Yellow Sea and northern East China Sea

Fang Zhang; Chaolun Li; Song Sun; Yulin Wu; Jingping Ren

doi:10.1007/s00343-009-9182-3

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Distribution patterns of chlorophyll a in spring and autumn in association with hydrological features in the southern Yellow Sea and northern East China Sea

Updated：2023-05-16

- Distribution patterns of chlorophyll a in spring and autumn in association with hydrological features in the southern Yellow Sea and northern East China Sea
- Journal of Oceanology and Limnology Vol. 27, Issue 4, Pages: 784-792(2009)
- Affiliations：
  
  1. Institute of Oceanology Chinese Academy of Sciences
  2. Graduate School Chinese Academy of Sciences
- Author bio：
- Funds：
- DOI：10.1007/s00343-009-9182-3
  CLC：
- Online First：04 December 2009，
  
  Published：2009
- Accepted：
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Zhang, F., Li, C., Sun, S. et al. Distribution patterns of chlorophyll a in spring and autumn in association with hydrological features in the southern Yellow Sea and northern East China Sea., Chin. J. Ocean. Limnol. 27, 784–792 (2009). https://doi.org/10.1007/s00343-009-9182-3
DOI：

Zhang, F., Li, C., Sun, S. et al. Distribution patterns of chlorophyll a in spring and autumn in association with hydrological features in the southern Yellow Sea and northern East China Sea., Chin. J. Ocean. Limnol. 27, 784–792 (2009). https://doi.org/10.1007/s00343-009-9182-3 DOI：

摘要

Abstract

Two field studies were conducted to measure pigments in the Southern Yellow Sea (SYS) and the northern East China Sea (NECS) in April (spring) and September (autumn) to evaluate the distribution pattern of phytoplankton stock (Chl a concentration) and the impact of hydrological features such as water mass

mixing and tidal front on these patterns. The results indicated that the Chl a concentration was 2.43±2.64 (Mean ± SD) mg m−3 in April (range

0.35 to 17.02 mg m−3) and 1.75±3.10 mg m−3 in September (from 0.07 to 36.54 mg m−3) in 2003. Additionally

four areas with higher Chl a concentrations were observed in the surface water in April

while two were observed in September

and these areas were located within or near the point at which different water masses converged (temperature front area). The distribution pattern of Chl a was generally consistent between onshore and offshore stations at different depths in April and September. Specifically

higher Chl a concentrations were observed along the coastal line in September

which consisted of a mixing area and a tidal front area

although the distributional pattern of Chl a concentrations varied along transects in April. The maximum Chl a concentration at each station was observed in the surface and subsurface layer (0–10 m) for onshore stations and the thermocline layer (10–30 m) for offshore stations in September

while the greatest concentrations were generally observed in surface and subsurface water (0–10 m) in April. The formation of the Chl a distributional pattern in the SYS and NECS and its relationship with possible influencing factors is also discussed. Although physical forces had a close relationship with Chl a distribution

more data are required to clearly and comprehensively elucidate the spatial pattern dynamics of Chl a in the SYS and NECS.

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references

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