本文主要研究内容
作者崔伯豪（2019）在《南四湖流域非点源氮磷污染来源解析与调控模拟研究》一文中研究指出：非点源污染又称面源污染,是当今影响水质的最大因素,也是一个难以控制的世界问题。南四湖流域非点源氮磷污染,是影响南四湖及南水北调东线水质的主要因素,明确南四湖流域非点源氮磷污染的来源及其主要影响因素,并采取合理有效的调控模拟措施对流域水资源管理和南水北调东线工程成功有决定性的意义。本文建立一种基于水文和水质数据断面非点源污染分割方法,获取了南四湖流域11个典型流域非点源污染时空演变空间数据序列;通过考虑污染物迁移和溶解过程改进了输出系数模型,对南四湖流域非点源氮磷污染来源进行了定量解析,基于效益评估模型并对不同组合情景下调控措施的非点源污染削减效果和所需费用进行了模拟与优选。研究结果表明:(1)非点源氮磷污染是南四湖流域水污染的主要来源,南四湖流域非点源氮磷污染占总污染的比例分别为65.9%和66.8%。枣庄市、菏泽市、济宁市和泰安市的非点源总氮污染的贡献率分别为14.7%、35.8%、45.4%和4.1%;非点源总磷污染的贡献率为14.5%、37.6%、43.8%和4.1%。(2)基于改进输出系数法对非点源氮磷污染来源解析发现,土地利用、牲畜养殖和农村生活中非点源总氮污染比例分别为33.6%,25.9%和40.5%,总磷污染比例分为31.6%,43.7%和24.7%;不同土地利用类型非点源氮磷污染来源分析中,旱地贡献比例分别为81.3%和81.9%。(3)基于统计分析的非点源污染影响因素定量分析发现,非点源总氮污染主要正向因素是年牛养殖和年径流量,相对贡献率为23.57%和7.52%,非点源总磷污染主要正向影响因素为年牛养殖、年末农业人口和年度农药量,相对贡献率为39.75%、14.10%和8.07%;非点源总氮污染主要抑制因素为建设用地面积、国内生产总值和年末总人口,相对贡献率为35.21%、21.25%和9.71%;非点源总磷污染主要抑制因素为建设用地面积和国内生产总值,相对贡献率为19.19%和17.57%。(4)通过恢复防护费用,机会成本等方法模拟了6°以下耕地保护性耕作、6-15°种植等高植物篱、畜禽散养户沼气池、滨岸植被缓冲带+免耕等9个调控措施情景发现:畜禽散养户沼气池、6°以下耕地保护性耕作和滨岸植被缓冲带+免耕的非点源氮磷污染负荷减排效果较好,总氮削减量分别为8133.02t、7642.24t和4709.75t;总磷削减量分别为1344.41t、1170.72t和2341.45t。调控情景中经济效益较好的是测土配方施肥技术和6°以下耕地保护性耕作,分别为3739.36万元和5482.80万元。(5)通过减污效果和经济效益的综合评价,本论文首先推荐大力推广耕地保护性耕作和测土配方施肥技术措施,其次是畜禽散养户沼气池,此外,滨岸植被缓冲带+免耕所需费用较低,环境效益较显著,运行维护费用低,也值得推荐。
Abstract
fei dian yuan wu ran you chen mian yuan wu ran ,shi dang jin ying xiang shui zhi de zui da yin su ,ye shi yi ge nan yi kong zhi de shi jie wen ti 。na si hu liu yu fei dian yuan dan lin wu ran ,shi ying xiang na si hu ji na shui bei diao dong xian shui zhi de zhu yao yin su ,ming que na si hu liu yu fei dian yuan dan lin wu ran de lai yuan ji ji zhu yao ying xiang yin su ,bing cai qu ge li you xiao de diao kong mo ni cuo shi dui liu yu shui zi yuan guan li he na shui bei diao dong xian gong cheng cheng gong you jue ding xing de yi yi 。ben wen jian li yi chong ji yu shui wen he shui zhi shu ju duan mian fei dian yuan wu ran fen ge fang fa ,huo qu le na si hu liu yu 11ge dian xing liu yu fei dian yuan wu ran shi kong yan bian kong jian shu ju xu lie ;tong guo kao lv wu ran wu qian yi he rong jie guo cheng gai jin le shu chu ji shu mo xing ,dui na si hu liu yu fei dian yuan dan lin wu ran lai yuan jin hang le ding liang jie xi ,ji yu xiao yi ping gu mo xing bing dui bu tong zu ge qing jing xia diao kong cuo shi de fei dian yuan wu ran xiao jian xiao guo he suo xu fei yong jin hang le mo ni yu you shua 。yan jiu jie guo biao ming :(1)fei dian yuan dan lin wu ran shi na si hu liu yu shui wu ran de zhu yao lai yuan ,na si hu liu yu fei dian yuan dan lin wu ran zhan zong wu ran de bi li fen bie wei 65.9%he 66.8%。zao zhuang shi 、he ze shi 、ji ning shi he tai an shi de fei dian yuan zong dan wu ran de gong suo lv fen bie wei 14.7%、35.8%、45.4%he 4.1%;fei dian yuan zong lin wu ran de gong suo lv wei 14.5%、37.6%、43.8%he 4.1%。(2)ji yu gai jin shu chu ji shu fa dui fei dian yuan dan lin wu ran lai yuan jie xi fa xian ,tu de li yong 、sheng chu yang shi he nong cun sheng huo zhong fei dian yuan zong dan wu ran bi li fen bie wei 33.6%,25.9%he 40.5%,zong lin wu ran bi li fen wei 31.6%,43.7%he 24.7%;bu tong tu de li yong lei xing fei dian yuan dan lin wu ran lai yuan fen xi zhong ,han de gong suo bi li fen bie wei 81.3%he 81.9%。(3)ji yu tong ji fen xi de fei dian yuan wu ran ying xiang yin su ding liang fen xi fa xian ,fei dian yuan zong dan wu ran zhu yao zheng xiang yin su shi nian niu yang shi he nian jing liu liang ,xiang dui gong suo lv wei 23.57%he 7.52%,fei dian yuan zong lin wu ran zhu yao zheng xiang ying xiang yin su wei nian niu yang shi 、nian mo nong ye ren kou he nian du nong yao liang ,xiang dui gong suo lv wei 39.75%、14.10%he 8.07%;fei dian yuan zong dan wu ran zhu yao yi zhi yin su wei jian she yong de mian ji 、guo nei sheng chan zong zhi he nian mo zong ren kou ,xiang dui gong suo lv wei 35.21%、21.25%he 9.71%;fei dian yuan zong lin wu ran zhu yao yi zhi yin su wei jian she yong de mian ji he guo nei sheng chan zong zhi ,xiang dui gong suo lv wei 19.19%he 17.57%。(4)tong guo hui fu fang hu fei yong ,ji hui cheng ben deng fang fa mo ni le 6°yi xia geng de bao hu xing geng zuo 、6-15°chong zhi deng gao zhi wu li 、chu qin san yang hu zhao qi chi 、bin an zhi bei huan chong dai +mian geng deng 9ge diao kong cuo shi qing jing fa xian :chu qin san yang hu zhao qi chi 、6°yi xia geng de bao hu xing geng zuo he bin an zhi bei huan chong dai +mian geng de fei dian yuan dan lin wu ran fu he jian pai xiao guo jiao hao ,zong dan xiao jian liang fen bie wei 8133.02t、7642.24the 4709.75t;zong lin xiao jian liang fen bie wei 1344.41t、1170.72the 2341.45t。diao kong qing jing zhong jing ji xiao yi jiao hao de shi ce tu pei fang shi fei ji shu he 6°yi xia geng de bao hu xing geng zuo ,fen bie wei 3739.36mo yuan he 5482.80mo yuan 。(5)tong guo jian wu xiao guo he jing ji xiao yi de zeng ge ping jia ,ben lun wen shou xian tui jian da li tui an geng de bao hu xing geng zuo he ce tu pei fang shi fei ji shu cuo shi ,ji ci shi chu qin san yang hu zhao qi chi ,ci wai ,bin an zhi bei huan chong dai +mian geng suo xu fei yong jiao di ,huan jing xiao yi jiao xian zhe ,yun hang wei hu fei yong di ,ye zhi de tui jian 。
论文参考文献
论文详细介绍
论文作者分别是来自山东师范大学的崔伯豪，发表于刊物山东师范大学2019-07-06论文，是一篇关于来源解析论文,非点源氮磷污染论文,定量模型论文,情景模拟论文,南四湖流域论文,山东师范大学2019-07-06论文的文章。本文可供学术参考使用，各位学者可以免费参考阅读下载，文章观点不代表本站观点，资料来自山东师范大学2019-07-06论文网站，若本站收录的文献无意侵犯了您的著作版权，请联系我们删除。
标签：来源解析论文; 非点源氮磷污染论文; 定量模型论文; 情景模拟论文; 南四湖流域论文; 山东师范大学2019-07-06论文;