Skip to main content

Table 1 Values of temperature, salinity, pH, dissolved oxygen (DO), chemical oxygen demand (COD), and chlorophyll-a in surface and bottom waters of the Hansan-Geojeman area, Korea, in 2014

From: Seasonal variation of physicochemical factor and fecal pollution in the Hansan-Geojeman area, Korea

Month Temperature (°C) Salinity pH DO (mg/L) COD (mg/L) Chlorophyll-a (μg/L)
Surface
 Feb. 9.02 ± 1.04 34.15 ± 0.09 8.22 ± 0.07 10.36 ± 0.58 1.92 ± 0.15 7.51 ± 4.01
 Apr. 13.26 ± 0.36 33.84 ± 0.31 8.19 ± 0.04 8.38 ± 0.14 1.67 ± 0.54 1.33 ± 0.37
 Jun. 18.52 ± 0.31 33.85 ± 0.04 7.92 ± 0.04 7.95 ± 0.35 1.54 ± 0.29 2.87 ± 1.25
 Aug. 25.59 ± 0.71 29.47 ± 2.49 8.32 ± 0.28 6.50 ± 1.71 2.20 ± 0.98 18.03 ± 14.28
 Oct. 19.90 ± 0.48 32.73 ± 0.22 8.13 ± 0.02 7.27 ± 0.71 2.31 ± 0.18 9.47 ± 1.87
 Dec. 14.68 ± 0.47 33.30 ± 0.30 8.11 ± 0.02 7.56 ± 0.25 1.57 ± 0.23 3.50 ± 2.66
Bottom
 Feb. 8.95 ± 0.96 34.18 ± 0.08 8.23 ± 0.06 10.00 ± 0.51 2.04 ± 0.32 5.64 ± 3.03
 Apr. 12.96 ± 0.12 34.06 ± 0.09 8.20 ± 0.04 8.63 ± 0.29 2.10 ± 0.26 2.71 ± 1.76
 Jun. 17.04 ± 0.49 34.09 ± 0.05 7.96 ± 0.03 7.85 ± 0.24 1.93 ± 0.41 1.52 ± 0.22
 Aug. 21.12 ± 2.28 33.47 ± 0.42 8.04 ± 0.04 4.38 ± 0.28 2.32 ± 0.30 11.09 ± 11.40
 Oct. 19.85 ± 0.48 32.84 ± 0.09 8.10 ± 0.02 7.05 ± 0.56 2.49 ± 0.37 10.50 ± 5.25
 Dec. 14.69 ± 0.48 33.16 ± 0.21 8.11 ± 0.02 7.38 ± 0.66 1.50 ± 0.39 4.48 ± 3.25
  1. Values are means ± standard deviations