基于“水—能—碳”关联的城市水系统碳排放研究
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赵荣钦, 余娇, 肖连刚, 孙锦, 罗慧丽, 杨文娟, 揣小伟, 焦士兴
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Carbon emissions of urban water system based on water-energy-carbon nexus
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ZHAO Rongqin, YU Jiao, XIAO Liangang, SUN Jin, LUO Huili, YANG Wenjuan, CHUAI Xiaowei, JIAO Shixing
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表3 2008—2017年郑州市水系统“水—能—碳”关联分析
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Tab. 3 Water-energy-carbon nexus of water system in Zhengzhou during 2008-2017
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子系统 | 类别 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 合计/均值 | 取水系统 | 取水量(亿m3) | 16.29 | 17.42 | 20.23 | 16.25 | 17.03 | 15.99 | 16.32 | 16.73 | 18.00 | 18.65 | 172.92 | 能耗(亿kWh) | 1.93 | 2.10 | 2.35 | 1.98 | 2.23 | 2.15 | 2.33 | 2.44 | 2.72 | 3.20 | 23.41 | 能耗强度(kWh/m3) | 0.12 | 0.12 | 0.12 | 0.12 | 0.13 | 0.13 | 0.14 | 0.15 | 0.15 | 0.17 | 0.14 | 碳排放(万t) | 15.45 | 16.79 | 18.83 | 15.84 | 17.83 | 17.24 | 18.66 | 19.53 | 21.76 | 25.62 | 187.55 | 碳排放强度(kg/m3) | 0.09 | 0.10 | 0.09 | 0.10 | 0.10 | 0.11 | 0.11 | 0.12 | 0.12 | 0.14 | 0.11 | 给水系统 | 给水量(亿m3) | 3.80 | 4.16 | 4.39 | 4.22 | 4.21 | 4.20 | 4.09 | 4.16 | 4.41 | 4.69 | 42.35 | 能耗(亿kWh) | 3.28 | 3.59 | 3.79 | 3.64 | 3.64 | 3.63 | 3.53 | 3.59 | 3.81 | 4.05 | 36.55 | 能耗强度(kWh/m3) | 0.86 | 0.86 | 0.86 | 0.86 | 0.86 | 0.86 | 0.86 | 0.86 | 0.86 | 0.86 | 0.86 | 碳排放(万t) | 26.25 | 28.78 | 30.37 | 29.18 | 29.14 | 29.06 | 28.26 | 28.78 | 30.50 | 32.43 | 292.74 | 碳排放强度(kg/m3) | 0.69 | 0.69 | 0.69 | 0.69 | 0.69 | 0.69 | 0.69 | 0.69 | 0.69 | 0.69 | 0.69 | 用水系统 | 用水量(亿m3) | 12.65 | 13.92 | 14.04 | 13.51 | 14.03 | 12.68 | 13.16 | 13.53 | 14.24 | 14.16 | 135.92 | 能耗(亿kWh) | 85.16 | 87.85 | 109.88 | 103.46 | 108.42 | 99.50 | 105.75 | 109.83 | 112.86 | 121.17 | 1043.88 | 能耗强度(kWh/m3) | 6.73 | 6.31 | 7.83 | 7.66 | 7.73 | 7.85 | 8.04 | 8.12 | 7.93 | 8.56 | 7.68 | 碳排放(万t) | 535.97 | 552.56 | 685.83 | 647.29 | 679.67 | 624.91 | 661.80 | 687.76 | 707.61 | 760.79 | 6544.20 | 碳排放强度(kg/m3) | 4.24 | 3.97 | 4.88 | 4.79 | 4.84 | 4.93 | 5.03 | 5.08 | 4.97 | 5.37 | 4.81 | 排水及 污水处 理系统 | 污水处理量(亿m3) | 2.62 | 3.02 | 3.12 | 3.15 | 3.08 | 4.15 | 3.51 | 4.62 | 4.85 | 6.36 | 38.47 | 能耗(亿kWh) | 0.74 | 0.85 | 0.88 | 0.88 | 0.86 | 1.17 | 0.99 | 1.30 | 1.36 | 1.79 | 10.81 | 能耗强度(kWh/m3) | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 碳排放(万t) | 5.90 | 6.79 | 7.02 | 7.08 | 6.93 | 9.34 | 7.91 | 10.39 | 10.92 | 14.32 | 86.59 | 碳排放强度(kg/m3) | 0.23 | 0.22 | 0.23 | 0.22 | 0.23 | 0.23 | 0.23 | 0.22 | 0.23 | 0.23 | 0.23 | 城市水 系统 (合计) | 总水量(亿m3) | 35.36 | 38.52 | 41.78 | 37.13 | 38.35 | 37.02 | 37.08 | 39.04 | 41.50 | 43.86 | 389.66 | 能耗(亿kWh) | 91.10 | 94.39 | 116.90 | 109.96 | 115.15 | 106.45 | 112.59 | 117.16 | 120.74 | 130.21 | 1114.65 | 能耗强度(kWh/m3) | 2.58 | 2.45 | 2.80 | 2.96 | 3.00 | 2.88 | 3.04 | 3.00 | 2.91 | 2.97 | 2.86 | 碳排放(万t) | 583.58 | 604.92 | 742.04 | 699.39 | 733.57 | 680.55 | 716.63 | 746.45 | 770.79 | 833.16 | 7111.09 | 碳排放强度(kg/m3) | 1.65 | 1.57 | 1.78 | 1.88 | 1.91 | 1.84 | 1.93 | 1.91 | 1.86 | 1.90 | 1.82 |
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