| 胡 强,吴晓彬,王 姣,虞 慧,彭圣军.江西省典型水库沉积物碳·氮·磷分布及污染评价[J].江西水利科技,2021,(3): |
| 江西省典型水库沉积物碳·氮·磷分布及污染评价 |
| Distribution and pollution evaluation of Carbon，Nitrogen and Phosphorus in typical reservoirs in Jiangxi province |
| |
| DOI： |
| 中文关键词: 江西省 水库沉积物 有机指数法 营养盐 污染状况 |
| 英文关键词: Jiangxi province Sediments Organic index Nutrients Pollution evaluation |
| 基金项目: |
|
| 摘要点击次数: 391 |
| 全文下载次数: 396 |
| 中文摘要: |
| 水体富营养化是水库、湖泊水污染问题最为严重的类型之一，为了解江西省水库沉积物的有机物污染水平，笔者测定了江西省15座中型水库沉积物中TP、TN、TOC含量，分析研究其分布特征和来源，并采用有机指数法进行综合评价.成果表明：江西省典型水库沉积物TP、TN总体处于轻度污染状态；在空间分布上，TN、TOC含量总体变幅不大，赣江上游及中游水库沉积物中TP、TN、TOC含量整体较低.TOC/TN比值表明，水生动物和陆地动物是沉积物有机质的主要来源.污染评价成果表明，有机指数IO平均值0.13，总体呈较清洁等级（II级）；有机氮WON平均值0.09，总体呈尚清洁等级（III级）. |
| 英文摘要: |
| Water eutrophication is one of the most serious types of water pollution in reservoirs and lakes.In order to understand the level of organic pollution in reservoir sediments in Jiangxi province，the author measured the content of TP，TN，and TOC in the sediments of 15 medium-sized reservoirs in Jiangxi province，analyzed and studied their distribution characteristics and sources，and used the organic index method for comprehensive evaluation.The results showed：Typical reservoir sediments TP and TN in Jiangxi province are generally slightly polluted；in terms of spatial distribution，the overall changes in TN and TOC contents are not obvious，and the contents of TP，TN and TOC in the sediments of reservoirs in the upper and middle reaches of Ganjiang river are generally low.The TOC/TN ratio indicates that aquatic animals and terrestrial animals are the main sources of organic matter in sediments.Pollution evaluation results show that the average organic index IO is 0.13，and the overall level is clean （leve l II）；while the average organic nitrogen WON is 0.09，ranked as Leve l III（relatively clean）. |
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
