Papers by Mst. Tania Islam
Songklanakarin J. Sci. Technol. 45 (5), 552–560, 2023
This study deals with the relations of sediment texture and depositional conditions to the organi... more This study deals with the relations of sediment texture and depositional conditions to the organic carbon (OC) and carbon (C) stock distribution, and estimates C sequestration in the coastal estuaries of the Naf River and Maheshkhali Channel of Bangladesh. In this study, the average OC percentages were 0.65% and 0.55%, the C stocks were calculated as 9.02 t/ha and 9.87 t/ha, and the conversion of C stock to total C sequestration became 33.35 t CO2/ha and 36.54 t CO2/ha, with the monetary values $1000.42 and $1096.26 per hectar of the Naf River and Maheshkhali Channel estuaries, respectively. The distribution of OC and C stock mostly depends on the sedimentary depositional conditions and sediment texture, as well as on the existence of mangrove and salt marsh along the banks of the estuaries. Low energy and velocity conditions and unidirectional fluvial settings tend to increase the concentration of OC and C stock, and also moderate grain-size with poorly sorted sediment contains high OC and C stock. Transportation mode with two populations (traction and saltation) increases the concentration of OC and C stock by more than three populations. There is some effect from the mixing environment and heavy mineral concentration on the OC and C stock distributions.
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Papers by Mst. Tania Islam