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江立文, 关广禄, 廖春玲. 瑶湖沉积物中磷的赋存形态及其空间分布特征[J]. 环境工程学报, 2016, 10(5): 2756-2760. doi: 10.12030/j.cjee.201410190
引用本文: 江立文, 关广禄, 廖春玲. 瑶湖沉积物中磷的赋存形态及其空间分布特征[J]. 环境工程学报, 2016, 10(5): 2756-2760. doi: 10.12030/j.cjee.201410190
shu
Jiang Liwen, Guan Guanglu, Liao Chunling. Phosphorus existing forms and its spatial distribution characteristic in Yaohu Lake sediments[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2756-2760. doi: 10.12030/j.cjee.201410190
Citation: Jiang Liwen, Guan Guanglu, Liao Chunling. Phosphorus existing forms and its spatial distribution characteristic in Yaohu Lake sediments[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2756-2760. doi: 10.12030/j.cjee.201410190
shu

瑶湖沉积物中磷的赋存形态及其空间分布特征

  • 1.

    华东交通大学土木建筑学院, 南昌 330013

  • 基金项目:

    国家水体污染控制与治理科技重大专项(2009ZX07106-001)

  • 中图分类号: X524

Phosphorus existing forms and its spatial distribution characteristic in Yaohu Lake sediments

  • 1.

    School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang 330013, China

  • Fund Project:

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  • 摘要: 利用磷的分级提取分析方法,首先对瑶湖沉积物磷赋存形态进行了分析;其次将瑶湖分成A、B和C 3个区段(其营养状态指数TLI值的大小为:B区>A区>C区),在此基础上,探讨了铁结合态磷(Fe-P)、铝结合态磷(Al-P)、钙结合态磷(Ca-P)和有机磷(OP)的空间分布特征。研究结果表明:在沉积物磷赋存形态中,无机磷形态(IP)占总磷(TP)的平均比重为75%以上,Fe-P是IP的主要成分,Fe-P占TP比重范围为40.55%~67.63%;各种形态磷的平均含量(或占TP比重)大小为Fe-P >Al-P> OP>Ca-P >DP。Fe-P、Al-P和OP的水平分布特征的结果表明:对于相同的区段,不同磷赋存形态的含量变化具有相同的变化规律,其含量大小为Fe-P >Al-P >OP,而Ca-P含量变化相对稳定;对于不同的区段,相同磷的赋存形态含量的极值变化具有一定的差异,其中Fe-P、Al-P和OP的最大值均出现在B区段,而Fe-P和Al-P最小值出现在A区段,OP则出现在C区段。Fe-P、Al-P、Ca-P 和OP的垂直分布特征的结果显示:对于相同的区段,Fe-P、Al-P、Ca-P和OP的含量均随深度呈现递减趋势,当达到25 cm深度时其含量基本稳定;而对于不同的区段,Fe-P、Al-P和OP的含量随深度的变化趋势具有一定的差异性,A区段随深度的变化趋势比B区段和C区段缓慢,而Ca-P变化趋势则没有明显的区分,这一研究结果为揭示瑶湖富营养化发生的机制提供了数据和理论支撑。
    Abstract: First, the various forms of phosphorus existing in the Yaohu Lake sediments were analyzed using classification extraction methods. Second, the Yaohu Lake was divided into three sections (A, B, and C). The order of the values of the eutrophication state index TLI, was B > A > C. The spatial distribution characteristics were investigated for Fe-P, Al-P, Ca-P, and OP, according to the lake sections. The results showed that the inorganic phosphorus (IP) content accounted for more than 75% of TP in sediments, and that Fe-P was the major species in IP. The proportion of Fe-P to TP ranged from 40.55% to 67.63%, and the average content of various phosphorus species (or the proportion of TP), was Fe-P > Al-P > OP > Ca-P > DP. The results of the horizontal distribution characteristic of Fe-P, Al-P, and OP indicated that, for the sections of Yaohu Lake, the contents of various phosphorus species changed even under the same rules. The order of their values was Fe-P > Al-P > OP, but the contents of Ca-P was more uniform among them. In the different sections of the Yaohu Lake, the extremes of content of the same phosphorus species had significant differences. The largest values of Fe-P, Al-P, and OP appeared in Section B, while the smallest values of Fe-P and Al-P were in Section A, and the smallest value of OP was in Section C. The results of the vertical distribution characteristics of Fe-P, Al-P, and OP were such that the contents of Fe-P, Al-P, Ca-P, and OP all decreased with increasing sediment depth, and their contents reached stability when the depth of the sediment was 25 cm. In the different sections, the contents of Fe-P, Al-P, Ca-P, and OP showed substantial differences with variation in depth. The trend of change in Section A was much less than in Sections B and C, except for Ca-P, which showed no obvious difference. This research provides the data and theoretical support needed to reveal the mechanism of eutrophication in Yaohu Lake.
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  • 收稿日期:  2015-02-09
  • 刊出日期:  2016-06-03
江立文, 关广禄, 廖春玲. 瑶湖沉积物中磷的赋存形态及其空间分布特征[J]. 环境工程学报, 2016, 10(5): 2756-2760. doi: 10.12030/j.cjee.201410190
引用本文: 江立文, 关广禄, 廖春玲. 瑶湖沉积物中磷的赋存形态及其空间分布特征[J]. 环境工程学报, 2016, 10(5): 2756-2760. doi: 10.12030/j.cjee.201410190
shu
Jiang Liwen, Guan Guanglu, Liao Chunling. Phosphorus existing forms and its spatial distribution characteristic in Yaohu Lake sediments[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2756-2760. doi: 10.12030/j.cjee.201410190
Citation: Jiang Liwen, Guan Guanglu, Liao Chunling. Phosphorus existing forms and its spatial distribution characteristic in Yaohu Lake sediments[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2756-2760. doi: 10.12030/j.cjee.201410190
shu

瑶湖沉积物中磷的赋存形态及其空间分布特征

  • 1. 华东交通大学土木建筑学院, 南昌 330013
  • 收稿日期:  2015-02-09
基金项目:

国家水体污染控制与治理科技重大专项(2009ZX07106-001)

摘要: 利用磷的分级提取分析方法,首先对瑶湖沉积物磷赋存形态进行了分析;其次将瑶湖分成A、B和C 3个区段(其营养状态指数TLI值的大小为:B区>A区>C区),在此基础上,探讨了铁结合态磷(Fe-P)、铝结合态磷(Al-P)、钙结合态磷(Ca-P)和有机磷(OP)的空间分布特征。研究结果表明:在沉积物磷赋存形态中,无机磷形态(IP)占总磷(TP)的平均比重为75%以上,Fe-P是IP的主要成分,Fe-P占TP比重范围为40.55%~67.63%;各种形态磷的平均含量(或占TP比重)大小为Fe-P >Al-P> OP>Ca-P >DP。Fe-P、Al-P和OP的水平分布特征的结果表明:对于相同的区段,不同磷赋存形态的含量变化具有相同的变化规律,其含量大小为Fe-P >Al-P >OP,而Ca-P含量变化相对稳定;对于不同的区段,相同磷的赋存形态含量的极值变化具有一定的差异,其中Fe-P、Al-P和OP的最大值均出现在B区段,而Fe-P和Al-P最小值出现在A区段,OP则出现在C区段。Fe-P、Al-P、Ca-P 和OP的垂直分布特征的结果显示:对于相同的区段,Fe-P、Al-P、Ca-P和OP的含量均随深度呈现递减趋势,当达到25 cm深度时其含量基本稳定;而对于不同的区段,Fe-P、Al-P和OP的含量随深度的变化趋势具有一定的差异性,A区段随深度的变化趋势比B区段和C区段缓慢,而Ca-P变化趋势则没有明显的区分,这一研究结果为揭示瑶湖富营养化发生的机制提供了数据和理论支撑。

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