Horizontal Loss Rate of Cr in Jiaozhou Bay 1983

Using investigation data on Cr in 1983, this paper analyzed the horizontal migration process, and quantified the horizontal loss by means of Yang's horizontal loss rate model for substance. Results showed that In May 1983, from two different start points to a same end point, the absolute horizontal loss rates were 30.84 × 10-5 ?g L-1 m-1 and 13.58 × 10-5 ?g L-1 m-1), while the relative horizontal loss rates were 7.78 × 10-5 ?g L-1 m-1 and 7.71 × 10-5 ?g L-1 m-1, respectively. For a same start point and a same end point, in September and October 1983, the absolute horizontal loss rates were 20.90 × 10-5 ?g L-1 m-1 and 21.34 × 10-5 ?g L-1 m-1, while the relative horizontal loss rates were 5.53 × 10-5 ?g L-1 m-1 and 5.51 × 10-5 ?g L-1 m-1, respectively. For a same substance and in the same waters, and for a same time and a same end point, the relative horizontal loss rates were tending to be constant with space. For a same substance and in the same waters, from a same start point to a same end point, the relative horizontal loss rates were tending to be constant with time. Time has obvious influence on absolute horizontal loss rate, yet has little influence on relative horizontal loss rate. Distance has obvious influence on absolute horizontal loss rate, yet has little influence on relative horizontal loss rate.