城鎮(zhèn)化流域“源-匯”景觀格局對河流氮磷空間分異的影響——以天津于橋水庫流域?yàn)槔?/H1>
發(fā)布時間：2018-03-26 09:24
本文選題：景觀格局 切入點(diǎn)：景觀空間負(fù)荷對比指數(shù) 出處：《生態(tài)學(xué)報》2017年07期
【摘要】：隨著流域城鎮(zhèn)化的加速,流域城鎮(zhèn)化景觀格局對流域水質(zhì)的影響逐漸加劇。以城鎮(zhèn)化趨勢明顯的于橋水庫流域?yàn)槔?基于流域"源-匯"景觀特征指數(shù),并結(jié)合于橋水庫流域2013、2014和2015年33個子流域的水質(zhì)數(shù)據(jù),采用空間分析、相關(guān)分析和冗余分析等方法,探討了在城鎮(zhèn)化影響下,于橋水庫流域景觀特征指數(shù)和水質(zhì)指標(biāo)的定量關(guān)系。結(jié)果表明:整個流域從上游到下游呈現(xiàn)"匯"景觀面積減小,"源"景觀面積增大的趨勢,居民建設(shè)用地面積比在中下游子流域達(dá)34.6%,"匯"型景觀中林地面積為33.5%;景觀空間負(fù)荷對比指數(shù)(LWLI)全局Moran′s I的值為0.637,P0.01,在空間上存在趨于集群的現(xiàn)象,LWLI高-高聚集區(qū)與城鎮(zhèn)化集中區(qū)域具有一致性。LWLI與流域氮、磷空間分布存在極顯著的相關(guān)性,平水期TN與LWLI的復(fù)相關(guān)系數(shù)R_2為0.811,豐水期LWLI與TP的復(fù)相關(guān)系數(shù)R_2為0.741;子流域所有水質(zhì)參數(shù)NH_4~+-N、TN、NO_3~--N、TP及LWLI均集中在同一象限,與其它景觀特征指數(shù)相比,LWLI對河流中氮、磷的影響最大。城鎮(zhèn)居民用地與水質(zhì)指標(biāo)存在極顯著的相關(guān)性,是流域水質(zhì)污染重要的貢獻(xiàn)源。流域城鎮(zhèn)化發(fā)展中,建議提高村鎮(zhèn)的景觀連通性,便于污染物集中處理,同時增加林地、草地面積,改善流域的生態(tài)水文功能。
[Abstract]:With the acceleration of urbanization, the impact of watershed urbanization landscape pattern on watershed water quality is gradually aggravated. Taking Yuqiao reservoir basin with obvious urbanization trend as an example, based on the "source-sink" landscape characteristic index, Combined with the water quality data of 33 sub-basins in Yuqiao Reservoir Basin in 20132014 and 2015, spatial analysis, correlation analysis and redundancy analysis were used to explore the impact of urbanization. The quantitative relationship between landscape characteristic index and water quality index of Yuqiao reservoir basin. The results show that the landscape area of "sink" decreases and the landscape area of "source" increases from upstream to downstream. The area ratio of residential construction land is 34.6in the sub-watershed of middle and lower reaches, the area of woodland in "sink" landscape is 33.5am, the value of global Moran's I of landscape spatial load contrast index is 0.637u P0.01. the phenomenon that there is a tendency to cluster in space is similar to that of high concentration area of LWLI and high concentration of LWLI. The concentration area of urbanization has the consistency of. LWLI and river basin nitrogen. There is a very significant correlation between phosphorus spatial distribution, the complex correlation coefficient R2 between TN and LWLI is 0.811 in plain season, and the complex correlation coefficient R2 between LWLI and TP in high water season is 0.741.The total water quality parameters of subbasin are NH4- Nnnnn3- and LWLI, all of which are concentrated in the same quadrant. Compared with other landscape characteristic indices, LWLI has the greatest influence on nitrogen and phosphorus in rivers. There is a very significant correlation between urban land use and water quality index, which is an important contribution source of water pollution in river basin. It is suggested to improve the landscape connectivity of villages and towns, facilitate the centralized treatment of pollutants, increase the area of woodland and grassland, and improve the ecological and hydrological function of the watershed.
【作者單位】： 天津師范大學(xué)城市與環(huán)境科學(xué)學(xué)院;濱州學(xué)院山東省黃河三角州生態(tài)環(huán)境重點(diǎn)實(shí)驗(yàn)室;
【基金】：國家自然科學(xué)基金項目(31270510,41301221) 濱州學(xué)院博士基金項目(2014Y02,2014Y14)
【分類號】：X52;P901
【相似文獻(xiàn)】
相關(guān)期刊論文 前5條
1 王浩;吳炳方;李曉松;盧善龍;;流域尺度的不透水面遙感提取[J];遙感學(xué)報;2011年02期
2 孫建偉;湯國安;;域間流域及自動提取方法研究[J];地球信息科學(xué)學(xué)報;2013年06期
3 高凡;閆正龍;黃強(qiáng);;流域尺度海量生態(tài)環(huán)境數(shù)據(jù)建庫關(guān)鍵技術(shù)——以塔里木河流域?yàn)槔齕J];生態(tài)學(xué)報;2011年21期
4 曹瑞娜;齊偉;李樂;蔣文惠;曹向生;;基于流域的山區(qū)景觀格局分析和分區(qū)研究——以山東省棲霞市為例[J];中國生態(tài)農(nóng)業(yè)學(xué)報;2014年07期
5 ;[J];;年期
相關(guān)會議論文 前1條
1 孫波;李碩;;遙感與GIS技術(shù)輔助下的流域養(yǎng)分遷移過程模擬方法[A];中國地壤學(xué)會第十次全國會員代表大會暨第五屆海峽兩岸土壤肥料學(xué)術(shù)交流研討會文集（面向農(nóng)業(yè)與環(huán)境的土壤科學(xué)專題篇）[C];2004年
相關(guān)碩士學(xué)位論文 前2條
1 額爾敦;土地利用與景觀格局變化對流域侵蝕產(chǎn)沙的影響[D];華北電力大學(xué);2015年
2 劉夢鑫;基于GIS的九龍江流域水環(huán)境污染消納潛力評估[D];福州大學(xué);2014年
，
本文編號：1667301
本文鏈接：http://sikaile.net/shengtaihuanjingbaohulunwen/1667301.html
本文選題：景觀格局 切入點(diǎn)：景觀空間負(fù)荷對比指數(shù) 出處：《生態(tài)學(xué)報》2017年07期
【摘要】：隨著流域城鎮(zhèn)化的加速,流域城鎮(zhèn)化景觀格局對流域水質(zhì)的影響逐漸加劇。以城鎮(zhèn)化趨勢明顯的于橋水庫流域?yàn)槔?基于流域"源-匯"景觀特征指數(shù),并結(jié)合于橋水庫流域2013、2014和2015年33個子流域的水質(zhì)數(shù)據(jù),采用空間分析、相關(guān)分析和冗余分析等方法,探討了在城鎮(zhèn)化影響下,于橋水庫流域景觀特征指數(shù)和水質(zhì)指標(biāo)的定量關(guān)系。結(jié)果表明:整個流域從上游到下游呈現(xiàn)"匯"景觀面積減小,"源"景觀面積增大的趨勢,居民建設(shè)用地面積比在中下游子流域達(dá)34.6%,"匯"型景觀中林地面積為33.5%;景觀空間負(fù)荷對比指數(shù)(LWLI)全局Moran′s I的值為0.637,P0.01,在空間上存在趨于集群的現(xiàn)象,LWLI高-高聚集區(qū)與城鎮(zhèn)化集中區(qū)域具有一致性。LWLI與流域氮、磷空間分布存在極顯著的相關(guān)性,平水期TN與LWLI的復(fù)相關(guān)系數(shù)R_2為0.811,豐水期LWLI與TP的復(fù)相關(guān)系數(shù)R_2為0.741;子流域所有水質(zhì)參數(shù)NH_4~+-N、TN、NO_3~--N、TP及LWLI均集中在同一象限,與其它景觀特征指數(shù)相比,LWLI對河流中氮、磷的影響最大。城鎮(zhèn)居民用地與水質(zhì)指標(biāo)存在極顯著的相關(guān)性,是流域水質(zhì)污染重要的貢獻(xiàn)源。流域城鎮(zhèn)化發(fā)展中,建議提高村鎮(zhèn)的景觀連通性,便于污染物集中處理,同時增加林地、草地面積,改善流域的生態(tài)水文功能。
[Abstract]:With the acceleration of urbanization, the impact of watershed urbanization landscape pattern on watershed water quality is gradually aggravated. Taking Yuqiao reservoir basin with obvious urbanization trend as an example, based on the "source-sink" landscape characteristic index, Combined with the water quality data of 33 sub-basins in Yuqiao Reservoir Basin in 20132014 and 2015, spatial analysis, correlation analysis and redundancy analysis were used to explore the impact of urbanization. The quantitative relationship between landscape characteristic index and water quality index of Yuqiao reservoir basin. The results show that the landscape area of "sink" decreases and the landscape area of "source" increases from upstream to downstream. The area ratio of residential construction land is 34.6in the sub-watershed of middle and lower reaches, the area of woodland in "sink" landscape is 33.5am, the value of global Moran's I of landscape spatial load contrast index is 0.637u P0.01. the phenomenon that there is a tendency to cluster in space is similar to that of high concentration area of LWLI and high concentration of LWLI. The concentration area of urbanization has the consistency of. LWLI and river basin nitrogen. There is a very significant correlation between phosphorus spatial distribution, the complex correlation coefficient R2 between TN and LWLI is 0.811 in plain season, and the complex correlation coefficient R2 between LWLI and TP in high water season is 0.741.The total water quality parameters of subbasin are NH4- Nnnnn3- and LWLI, all of which are concentrated in the same quadrant. Compared with other landscape characteristic indices, LWLI has the greatest influence on nitrogen and phosphorus in rivers. There is a very significant correlation between urban land use and water quality index, which is an important contribution source of water pollution in river basin. It is suggested to improve the landscape connectivity of villages and towns, facilitate the centralized treatment of pollutants, increase the area of woodland and grassland, and improve the ecological and hydrological function of the watershed.
【作者單位】： 天津師范大學(xué)城市與環(huán)境科學(xué)學(xué)院;濱州學(xué)院山東省黃河三角州生態(tài)環(huán)境重點(diǎn)實(shí)驗(yàn)室;
【基金】：國家自然科學(xué)基金項目(31270510,41301221) 濱州學(xué)院博士基金項目(2014Y02,2014Y14)
【分類號】：X52;P901
【相似文獻(xiàn)】
相關(guān)期刊論文 前5條
1 王浩;吳炳方;李曉松;盧善龍;;流域尺度的不透水面遙感提取[J];遙感學(xué)報;2011年02期
2 孫建偉;湯國安;;域間流域及自動提取方法研究[J];地球信息科學(xué)學(xué)報;2013年06期
3 高凡;閆正龍;黃強(qiáng);;流域尺度海量生態(tài)環(huán)境數(shù)據(jù)建庫關(guān)鍵技術(shù)——以塔里木河流域?yàn)槔齕J];生態(tài)學(xué)報;2011年21期
4 曹瑞娜;齊偉;李樂;蔣文惠;曹向生;;基于流域的山區(qū)景觀格局分析和分區(qū)研究——以山東省棲霞市為例[J];中國生態(tài)農(nóng)業(yè)學(xué)報;2014年07期
5 ;[J];;年期
相關(guān)會議論文 前1條
1 孫波;李碩;;遙感與GIS技術(shù)輔助下的流域養(yǎng)分遷移過程模擬方法[A];中國地壤學(xué)會第十次全國會員代表大會暨第五屆海峽兩岸土壤肥料學(xué)術(shù)交流研討會文集（面向農(nóng)業(yè)與環(huán)境的土壤科學(xué)專題篇）[C];2004年
相關(guān)碩士學(xué)位論文 前2條
1 額爾敦;土地利用與景觀格局變化對流域侵蝕產(chǎn)沙的影響[D];華北電力大學(xué);2015年
2 劉夢鑫;基于GIS的九龍江流域水環(huán)境污染消納潛力評估[D];福州大學(xué);2014年
，本文編號：1667301
本文鏈接：http://sikaile.net/shengtaihuanjingbaohulunwen/1667301.html
