水质对长江的水能波动的反应
XueQi Tian1, Hua Wang2, Dongfang Liang3
1Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China; College of Environment, Hohai University, Nanjing 210098, China
概括
河流能源表示污染物承载能力 (PCC),对水质至关重要. 储监管影响能源分配,改变污染物保留和突出敏感区域的有针对性的保护.
科学领域:
- 环境科学 环境科学
- 水文学 水文学
- 水质管理水质管理
背景情况:
- 河流能源是污染物承载能力 (PCC) 的一个关键指标.
- 了解河流能源与水质之间的关系对于有效的环境管理至关重要.
- 之前的研究还没有完全阐明河流能源,流量调节和PCC之间的动态相互作用.
研究的目的:
- 为长江主流开发和验证MIKE21水力动力学水质模型.
- 调查单位面积能源 (UAE) 和PCC之间的关系.
- 评估水库建设对阿联配送和PCC的影响.
主要方法:
- 使用MIKE21模型进行了电网对电网的数值集成.
- 模型预测与监测点的测量值进行比较,以验证准确性 (平均相对误差5.178.37%).
- 建立了阿联和PCC之间的关系模型 (R2 = 0.8184).
主要成果:
- 通过峰值剃须和流量调节,水库建设使阿联的配送流性提高了74.47%.
- 虽然减少了季节性PCC差异,但水库运营使污染物保留率增加了40.95%.
- 空间分析揭示了PCC与能量变化的关键值和二进制变化,确定TP,NH3-N和COD的峰值值.
结论:
- 河流能源是确定PCC和水质动态的关键因素.
- 水库运营对阿联和PCC有复杂的影响,需要谨慎管理,以平衡流量调节和污染物控制.
- 这些发现为识别敏感区域和实施有针对性的水保护战略提供了关键数据.
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