选取氨氮和高锰酸盐指数作为双指标, 采用测次法对江苏省淮河流域2012 年的水功能区达标情况进行了评 价。结果表明, 湖泊型水功能区达标率远高于河流型水功能区; 地区之间达标率差异较大, 徐州地区达标率较低。 根据水功能区现状入河排污量和纳污能力, 提出了规划水平年( 2020 年、2030 年) 纳污红线的限制排污总量分别为: 2020 年COD 4. 35 万t, 氨氮0. 43 万t; 2030 年COD 3. 20 万t, 氨氮0. 25 万t。

NH 32 N and ( COD) Mn w ere selected to evaluate the standar d lev el of water function zo nes in the H uaihe River Basin of Jiang su Pro vince based on the t ime measuring method. The results show ed that the standard2achiev ement rates of t he lake w ater function zones ar e much hig her than t ho se of r iver w ater functio n zones, and the rates var y significantly in differ ent reg io ns with Xuzhou having t he low est rate. Accor ding to t he volume of sw age and w ater resources car ry ing capacity in the w ater functio n zo nes, the tot al allow able pollutants discharg ed in the planning years ( 2020 and 2030) w ere estimated as 43. 5 thousand tons COD and 4. 3 tho usand to ns NH 32N in y ear 2020, and 32 tho usand tons COD and 2. 5 tho usand to ns NH 32 N in y ear 2030.

国家重点基础研究发展计划项目/ 气候变化对黄淮海地区水循环的影响机理和水资源安全评估0 ( 2010CB951102)