Fig. 4From: Seasonal variation of physicochemical factor and fecal pollution in the Hansan-Geojeman area, KoreaSpatial and seasonal variation of chemical oxygen demand (COD) (a), dissolved inorganic nitrogen (DIN) (b), and dissolved inorganic phosphate (DIP) (c) of discharges from major inland contamination sources in the drainage area of the Hansan-Geojeman area, KoreaBack to article page