河道的最小控制流量和最大纳污控制量( 简称“双总量”) 是维系河流健康的决定性因子。论
文初步建立了基于水资源合理配置的河流“双总量”控制研究技术框架, 并对唐山市月尺度的“双总
量”控制指标进行核算。通过水资源合理配置, 除个别枯水年份和连续枯水年份外, 唐山市河道的最
小控制流量均可得到满足。在基准年、2010 年和2020 年3 个规划水平年, 唐山市规划河流COD 的
最大纳污控制量分别为16 357.57、12 659.19 和11 572.50t /a; NH3- N 的最大纳污控制量分别为
907.80、660.27 和580.09t /a。在统一水资源配置平台上制定的“双总量”控制指标, 从根本上保障了
竞争用水条件下河流生态需水, 客观确立了规划水平年河道纳污能力的年内分配, 并整体上提高了
河流的最大纳污能力。
严登华;罗祥宇;王浩;秦大庸
. 基于水资源合理配置的河流“双总量”控制研究[J]. 自然资源学报, 2007
, 22(3)
: 321
-328
.
DOI: TV213
Minimum controlling flux(MCF) and Maximum controlling pollutant load(MCP) ( for
short as “dual gross”) are the key indexes for integrated regional water quality and quantity
management and to sustain the ecological health of the rivers. The technical scheme for the dual
gross control research has been erected primarily in this manuscript, and with such a scheme, the
monthly dual gross control indexes have been derived.With the rational water resources
allocation, the MCF in Tangshan can be complied except the low water year and continuous low
water years.The maximum controlling COD load of rivers in Tangshan in the basic planning
year, 2010 and 2020 are 16 357.57t /a, 12 659.19t /a and 11 572.50t /a, respectively, and the
maximum controlling NH3 - N are 907.80t /a, 660.27t /a and 580.09t /a accordingly.With dual
gross control indexes sustained by the unified water resources allocation platform, the eco-water
requirement of rivers can be guaranteed under the condition of the water users competition; and
the distribution of the pollutant carrying ability in a year can be derived subjectively; at the
same time, the MCP can be improved.
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