This study explored the ecological effects of the transformation of carbon source and carbon sink in wetlands, that were discussed from four aspects: atmosphere, ocean, plants and soil. The results showed that the wet...This study explored the ecological effects of the transformation of carbon source and carbon sink in wetlands, that were discussed from four aspects: atmosphere, ocean, plants and soil. The results showed that the wetland changed from carbon sink to carbon source, which led to the increase of CO_2 emissions in the atmosphere and the intensification of greenhouse effect, which made the earth face the threat of global warming. At the same time, the content of CO_2 in seawater is increased; the pH value of seawater decreases; the balance of seawater acid-base is destroyed; and the ocean acidification is caused.展开更多
为探究污水处理厂尾水处理的长期效益以及探究双碳政策下尾水提标湿地的贡献,开展进出水水质监测及碳储量分析研究。以常熟新材料产业园尾水提标湿地为例开展应用研究,结果表明:尾水提标湿地出水主要指标(COD_(Cr)、氨氮、总磷等)稳定...为探究污水处理厂尾水处理的长期效益以及探究双碳政策下尾水提标湿地的贡献,开展进出水水质监测及碳储量分析研究。以常熟新材料产业园尾水提标湿地为例开展应用研究,结果表明:尾水提标湿地出水主要指标(COD_(Cr)、氨氮、总磷等)稳定优于地表Ⅳ类水标准;垂直流湿地的硝化效率高,实验期间不同温度和运行水位情况下,硝化效率平均为0.820;湿地碳储量丰富,年生态碳汇固碳量达1 419 t CO_(2)。常熟新材料产业园尾水提标湿地的组合型工艺运行长效稳定,运行9 a湿地出水稳定优于地表Ⅳ类水标准,该湿地具有丰富的碳汇,体现了湿地的多功能效益。展开更多
文摘This study explored the ecological effects of the transformation of carbon source and carbon sink in wetlands, that were discussed from four aspects: atmosphere, ocean, plants and soil. The results showed that the wetland changed from carbon sink to carbon source, which led to the increase of CO_2 emissions in the atmosphere and the intensification of greenhouse effect, which made the earth face the threat of global warming. At the same time, the content of CO_2 in seawater is increased; the pH value of seawater decreases; the balance of seawater acid-base is destroyed; and the ocean acidification is caused.
文摘为探究污水处理厂尾水处理的长期效益以及探究双碳政策下尾水提标湿地的贡献,开展进出水水质监测及碳储量分析研究。以常熟新材料产业园尾水提标湿地为例开展应用研究,结果表明:尾水提标湿地出水主要指标(COD_(Cr)、氨氮、总磷等)稳定优于地表Ⅳ类水标准;垂直流湿地的硝化效率高,实验期间不同温度和运行水位情况下,硝化效率平均为0.820;湿地碳储量丰富,年生态碳汇固碳量达1 419 t CO_(2)。常熟新材料产业园尾水提标湿地的组合型工艺运行长效稳定,运行9 a湿地出水稳定优于地表Ⅳ类水标准,该湿地具有丰富的碳汇,体现了湿地的多功能效益。