Research Article: Spatial trends of Total Petroleum Hydrocarbons, related heavy metals and sediment characteristics in South Caspian Sea: Effect of depth and temporal dispersions

Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_JIFRO-19-6_032

تاریخ نمایه سازی: 23 بهمن 1400

Abstract:

In this study, Amirabad Special Economic was used as the study area, the distribution and tracing possible sources TPH, nickel, lead, vanadium, TP and TN were analysed in coastal sediments of ۵ transects. According to our results the inner part of the ۲ ports, are going to be slightly contaminated with TPH and heavy metals; meaning the contents of all the sites were lower than the background values. Based on physico-chemical parameters of water  and according to dbRDA, the separation of offshore and river area was observed. Based on TOM, TPH and sediment nutrients, PCoA separated river and Sadra port transects. Finally, it seems high inter-annual water MVDISP values, reflecting highly temporal dynamic condition, influence the transportation of sediments along a depth gradient proved by nMDS, and the consecutive resuspension of sediments to open water is strong enough to keep the contaminants from rising to very high levels.  

Authors

M. Emadi jamali

۴Department of Marine Ecology, Science and Research Branch, Islamic Azad University, Tehran, Iran.

R. Mousavi Nadushan

Department of Marine ecology, Tehran North Branch, Islamic Azad University, Tehran, Iran.

A.H. Javid

Department of Marine Ecology, Science and Research Branch, Islamic Azad University, Tehran, Iran.

A. Mashinchiyan Moradi

Department of Marine Ecology, Science and Research Branch, Islamic Azad University, Tehran, Iran

M.H. Givianrad

Department of Marine Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran

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