Nutrients in seawater and interstitial water of the sediments in the Huanghe River estuarine area (November)

Shen Zhiliang; Liu Xingjun; Lu Jiaping

doi:10.1007/BF02847830

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Nutrients in seawater and interstitial water of the sediments in the Huanghe River estuarine area (November)

Updated：2023-05-16

- Nutrients in seawater and interstitial water of the sediments in the Huanghe River estuarine area (November)
- Journal of Oceanology and Limnology Vol. 6, Issue 2, Pages: 104-114(1988)
- Affiliations：
  
  Institute of Oceanology
- Author bio：
- Funds：
- DOI：10.1007/BF02847830
  CLC：
- Published：1988
- Accepted：
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Zhiliang, S., Xingjun, L. & Jiaping, L. Nutrients in seawater and interstitial water of the sediments in the Huanghe River estuarine area (November)., Chin. J. Ocean. Limnol. 6, 104–114 (1988). https://doi.org/10.1007/BF02847830
DOI：

Zhiliang, S., Xingjun, L. & Jiaping, L. Nutrients in seawater and interstitial water of the sediments in the Huanghe River estuarine area (November)., Chin. J. Ocean. Limnol. 6, 104–114 (1988). https://doi.org/10.1007/BF02847830 DOI：

摘要

Abstract

The investigation shows that the concentrations of nutrients are high in estuarine and coastal waters and low in offshore waters. The concentration of nitrate in estuaries is controlled through a physical mixing process and is also affected by biotic activity. The annual transport of total inorganic nitrogen and dissolved phosphate-phosphorus from the Huanghe River water to the sea is about 8.45 ×104 and 1.45×103 tons respectively. The distributions of inorganic nitrogen and silicate in interstitial water of surface sediments are similar to those in surface and bottom seawater. Their contents in interstitial water are 227–552 μmol/l (average375) for ammonia

0.31–9.0 μmol/l (average 1.6) for nitrite

0–41 μmol/l (average6.0) for nitrate

and 41–139 μmol/l (average 77) for silicate. The average concentrations of phosphate in the surveyed area are 0.64 μmol/l for seawater and 1.2 μmol/l for interstitial water. A cycle of phosphate in the estuary is also suggested in this paper.

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references

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