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Table 1 Surface sediment composition, grain-size parameters and total organic carbon content

From: Heavy metal accumulation during the last 30 years in the Karnaphuli River estuary, Chittagong, Bangladesh

Site Longitude Latitude Sand/% Silt/% Clay/% Type Mz/μm σ Sk1 KG TOC/%
S1 91°48′38″E 22°16′32″N 29.78 59.44 10.78 ST 35.70 1.89 0.35 0.95 0.69
S2 91°50′10″E 22°15′19″N 30.33 58.80 10.87 ST 34.71 1.93 0.31 0.96 0.58
S3 91°50′00″E 22°14′47″N 11.91 73.94 14.15 T 17.02 1.83 0.11 1.14 0.43
S4 91°49′28″E 22°14′09″N 17.97 70.74 11.29 T 27.02 1.76 0.31 1.02 0.71
S5 91°48′35″E 22°13′25″N 23.45 62.74 13.81 ST 18.51 2.28 −0.08 1.05 0.46