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Vertical Distribution Of Sediment<br />

Grain Size And Total Organic Carbon In Setiu Wetland<br />

Aishah Nadhirah bt Shapie<br />

Supervisor: Dr. Wan Nurzalia bt Wan Saelan<br />

Bachelor of Science (Marine Science)<br />

School of Marine and Environmental Sciences<br />

A study was carried out in the mangrove and lagoon area of Setiu wetlands to<br />

determine the vertical distribution of sediment grain size and total organic carbon<br />

content. The mean grain size value were ranged between 0.41 and 1.49 phi (ɸ), with<br />

the average was 1.00 ɸ for mangrove area while for the lagoon area ranged between<br />

0.93 and 2.19 phi (ɸ), with the average was 1.38 ɸ. The sediment in the study area<br />

was distributed in the coarse to fine sediments classes where the seasonal change<br />

plays an important factor in determine the grain size distribution. This study also<br />

includes the TOC analysis where the sediment in the mangrove area contain more<br />

TOC concentration than sediments in the lagoon area. Difference in TOC concentration<br />

in both mangrove and lagoon area might be due to the environment and surrounding<br />

of the mangrove area.<br />

1854 | UMT UNDERGRADUATE RESEARCH DAY 2018

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