Table Water Environmental Capacity of the Xiangjiang River Sections within CZT Region Ideal Water Environmental Current Discharge Deducted Quantity Length Flow Quantity Q Flow Rate u Unit Capacity (t/year) Quantity (t/year) (t/year) (km) (m3/s) (m/s) COD NH3-N COD NH3-N COD NH3-N Xiangjiang Zhuzhou Urban Drinking 1350 13048 1795 11.5 443 0.206 3338 9710 445 Water Source Zone Xiangjiang River Zhuzhou Xiawan Port 4.1 446 0.206 15972 778 7500 4037 6722 Contamination Discharge Zone Xiangjiang Zhuzhou Majiahe River 12.2 446 0.206 1079 108 1153 52 74 / Transition Zone Xiangjiang River Xiangtan Urban Drinking 19.0 509 0.18 8669 1860 8773 1038 104 822 Water Source Zone Xiangjiang River Xiangtan Zhaoshan 12.5 509 0.18 4529 1553 8480 2219 3951 666 Industrial and Agricultural Water Zone Xiangjiang River Xiangtan Zhaoshan-Muyun 26 41 3 4.2 509 0.18 859 / / Transition Zone Xiangjiang River Changsha 29.1 511 0.2 18082 524 33262 4796 4742 Drinking Water Source Zone Xiangjiang Changsha Sanchaji Industrial 14.3 212 0.2 5963 176 7249 932 1286 756 Water Zone Xiangjiang Changsha Kaifu District 3874 697 2.8 314 0.2 500 15 3374 682 Industrial Water Zone Xiangjiang Changsha Liuwei River 47 4 Estuary-Laodao River Estuary Transition 1.0 318 0.2 106 3.2 59 0.8 Zone Xiangjiang River Laoxia Industrial Zone 10.5 318 0.2 3710 110 2601 431 1109 321 Xiangjiang River Xianing Transition Zone 6.0 534 0.2 1582 47 336 43 / / Xiangjiang River Changsha Wangcheng 3088 441 6.2 545 0.2 1663 50 1425 391 Drinking Water Source Zone 66052 6600.2 10252 19951 Notes: sourced from Shi Zhu, Li Jianzhao and Li Xiaodong. Research of Water Environmental Capacity on the Xiangjiang River Sections within CZT Region. Hunan 2012 (02). Forestry Science & Technology,
Table Water Environmental Capacity of the Xiangjiang River Sections within CZT Region Unit Length (km) Flow Quantity Q (m3/s) Flow Rate u (m/s) Ideal Water Environmental Capacity (t/year) Current Discharge Quantity (t/year) Deducted Quantity (t/year) COD NH3-N COD NH3-N COD NH3-N Xiangjiang Zhuzhou Urban Drinking Water Source Zone 11.5 443 0.206 3338 1350 13048 1795 9710 445 Xiangjiang River Zhuzhou Xiawan Port Contamination Discharge Zone 4.1 446 0.206 15972 778 7500 4037 6722 Xiangjiang Zhuzhou Majiahe River Transition Zone 12.2 446 0.206 1079 108 1153 52 74 / Xiangjiang River Xiangtan Urban Drinking Water Source Zone 19.0 509 0.18 8669 1860 8773 1038 104 822 Xiangjiang River Xiangtan Zhaoshan Industrial and Agricultural Water Zone 12.5 509 0.18 4529 1553 8480 2219 3951 666 Xiangjiang River Xiangtan Zhaoshan-Muyun Transition Zone 4.2 509 0.18 859 26 41 3 / / Xiangjiang River Changsha Drinking Water Source Zone 29.1 511 0.2 18082 524 33262 4796 4742 Xiangjiang Changsha Sanchaji Industrial Water Zone 14.3 212 0.2 5963 176 7249 932 1286 756 Xiangjiang Changsha Kaifu District Industrial Water Zone 2.8 314 0.2 500 15 3874 697 3374 682 Xiangjiang Changsha Liuwei River Estuary-Laodao River Estuary Transition Zone 1.0 318 0.2 106 3.2 47 4 59 0.8 Xiangjiang River Laoxia Industrial Zone 10.5 318 0.2 3710 110 2601 431 1109 321 Xiangjiang River Xianing Transition Zone 6.0 534 0.2 1582 47 336 43 / / Xiangjiang River Changsha Wangcheng Drinking Water Source Zone 6.2 545 0.2 1663 50 3088 441 1425 391 66052 6600.2 10252 19951 Notes: sourced from Shi Zhu, Li Jianzhao and Li Xiaodong. Research of Water Environmental Capacity on the Xiangjiang River Sections within CZT Region. Hunan Forestry Science & Technology, 2012 (02).
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