Distribution of Biochemical Oceanography in the Bay of Bengal: A Review

Most Israt Jahan Mili*-|||-Department of Oceanography and Hydrography, Bangabandhu Sheikh Mujibur Rahman Maritime University===|===KM Azam Chowdhury-|||-Department of Oceanography, University of Dhaka===|===Nusrat Jahan-|||-Department of Physics, Bangabandhu Sheikh Mujibur Rahman Maritime University===|===Farhana Akter-|||-Department of Chemistry, Bangabandhu Sheikh Mujibur Rahman Maritime University
2024-08-26
Item Value
Serial 3
Article Conference Acronym
Manuscript Number
Article Volume Volume 05
Article Issue Issue 1
Article DOI doi.org/10.70279/bmj-v5-i1-1082
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Article Slug distribution-of-biochemical-oceanography-in-the-bay-of-bengal-a-review
Article Keyword BoB, Trace element, Nutrients, Particulate Organic Carbon, Chlorophyll, Productivity
Article Entry Time 16:29:48
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Article References

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Abstract

A study was carried out to look into different biological and chemical parameters in the Bay of Bengal (BoB) from previous papers. In general, BoB water has some unique characteristics compared to the Arabian sea (AS) attributes. Because of large freshwater influx and weak wind induced mixing of water column, BoB has less saline water compared to AS. Apart from these physical phenomena, BoB have been poorly investigated before to compare with its bio-chemical traits. Keeping that in mind, we are presenting here some of the bio-chemical features of BoB. In the present findings, among the metals concentration, Ca (Calcium) was found to be the higher, while Ti (Titanium) was the lowest among the collected data of the major and trace elements in the sediments of the BoB. The Corg/N (atomic ratio) values of the sediments showed a wide depth variation. Among the nutrients (Nitrate, Nitrite, Phosphate, Ammonia and Silica), Ammonia was in higher concentration compared to rest of the nutrients. There were considerable variations in primary productivity and chlorophyll concentration in the surface layer of water, whereas, these were found to be constant in greater depths. However, vertical line of chlorophyll and productivity change revealed the correlation between them. It would be suggested that as BoB region has poorer oceanographic data to make comparison among different parameters, further investigations should need to be conducted to collect and analyze in-situ bio-chemical data in a greater extent.