城市雨水花园集中入渗对土壤氮、磷、有机碳及重金属的影响

郭超; 谢潇; 李家科

doi:10.13961/j.cnki.stbctb.2022.01.004

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城市雨水花园集中入渗对土壤氮、磷、有机碳及重金属的影响

试验研究

- 城市雨水花园集中入渗对土壤氮、磷、有机碳及重金属的影响
- Influence of Concentrated Infiltration on Soil N, P, Organic Carbon and Heavy Metals in Urban Rain Gardens
- 水土保持通报 2022年42卷第1期页码：26-33
- 作者机构：
  
  1. 陕西省土地工程建设集团自然资源部退化及未利用土地整治工程重点实验室,陕西,西安,710075
  2. 陕西省土地工程建设集团陕西省土地整治工程技术研究中心,陕西,西安,710075
  3. 陕西省土地工程建设集团自然资源部土地工程技术创新中心,陕西,西安,710075
  4. 西安理工大学水利水电学院,陕西,西安,710048
- 作者简介：
- 基金信息：
  
  陕西省重点研发项目“城市内河黑臭水体原位综合治理技术开发与应用示范”(2020SF-420);陕西省土地工程建设集团内部科研项目(DJNY2020-27， DJNY2021-17)
- DOI：10.13961/j.cnki.stbctb.2022.01.004
  中图分类号： X53
- 纸质出版：2022
- 稿件说明：
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郭超, 谢潇, 李家科. 城市雨水花园集中入渗对土壤氮、磷、有机碳及重金属的影响[J]. 水土保持通报, 2022,42(1):26-33.

Guo Chao, Xie Xiao, Li Jiake. Influence of Concentrated Infiltration on Soil N, P, Organic Carbon and Heavy Metals in Urban Rain Gardens[J]. Bulletin of Soiland Water Conservation, 2022, 42(1): 26-33.
郭超, 谢潇, 李家科. 城市雨水花园集中入渗对土壤氮、磷、有机碳及重金属的影响[J]. 水土保持通报, 2022,42(1):26-33. DOI： 10.13961/j.cnki.stbctb.2022.01.004.

Guo Chao, Xie Xiao, Li Jiake. Influence of Concentrated Infiltration on Soil N, P, Organic Carbon and Heavy Metals in Urban Rain Gardens[J]. Bulletin of Soiland Water Conservation, 2022, 42(1): 26-33. DOI： 10.13961/j.cnki.stbctb.2022.01.004.

摘要

[目的

]

研究陕西省西安市雨水花园集中入渗对土壤污染的影响，为城市雨水径流集中入渗工程技术的合理配置与推广应用提供科学依据。[方法

]

以西安理工大学校园内运行8～9 a的2个雨水花园(RD

：受纳屋面径流雨水；RD

：受纳路面和屋面径流的混合雨水)为研究对象。2016—2018年对雨水花园RD

和RD

监测了16～18场降雨事件，确定其径流中化学需氧量(COD)，总悬浮物(TSS)，N，P，重金属的EMC浓度和雨水花园单位面积受纳污染物负荷量。2017年4月至2019年2月，采集7次花园内不同土层深度处的土样，测定土壤中NH

-N，NO

-N，TN，TP，总有机碳(TOC)及Cu，Zn，Cd含量，明确其在土壤垂向上的分布规律。[结果

]

径流中COD，TSS，NH

-N，TN，TP的EMC浓度均大于RD

，而重金属小于RD

。土壤NH

-N和TN含量随土层深度增加逐渐减小；NO

-N和TP含量随土层深度增加逐渐增大，50 cm以下不同深度土壤NO

-N和TP含量大多大于0—50 cm土层。TOC含量随土层深度逐渐减小。0—30 cm土壤重金属含量较高，Cu和Zn主要以铁—锰氧化物结合态和残渣态形式存在，而Cd主要以可交换态和碳酸盐结合态形式存在，雨水花园土壤重金属Cu，Zn，Cd与TOC具有较好的拟合关系(R

>0.8)。[结论

]

雨水花园集中入渗对土壤氮、磷、重金属有一定的影响，NO

-N和TP发生了淋溶，土壤NH

-N和TN主要富集在0—50 cm土层，重金属主要富集在0—30 cm土层。

Abstract

[Objective] The influence of concentrated infiltration from rainfall runoff on soil of rain gardens in Xi’an City

Shaanxi Province was studied in order to provide a scientific reference for the reasonable configuration and application of concentrated infiltration technology of urban rainfall runoff. [Methods] Runoff data from two rain garden treatments (RD1: accepting roof rainfall runoff; RD2: accepting roof and road rainfall runoff) was acquired from 8—9 years on the campus of Xi’an University of Technology. From 2016 to 2018

16—18 rainfall events were monitored to determine the pollutant load of chemical oxygen demand (COD)

total suspended solids (TSS)

and the event mean concentration (EMC) of heavy metals in the rainfall runoff of the two rain gardens. From April 2017 to February 2019

a total of seven soil samples at different soil depths in the two gardens were collected to determine NH4-N

NO3-N

total organic carbon (TOC)

and heavy metals (Cu

and Cd) to assess the vertical distribution of N

TOC

and heavy metal contents in the rain garden soils. [Results] The EMC concentrations of COD

TSS

NH4-N

and TP in RD1 were all greater than those in RD2

but opposite results were obtained with regard to heavy metals. The contents of NH4-N and TN showed a gradually decreasing trend with soil depth. However

the contents of NO3-N and TP in the soil gradually increased with soil depth

and they were all greater below 50 cm than the contents in the upper layer (0—50 cm). The TOC content in the rain garden soil showed a gradually decreasing trend with soil depth. Heavy metal contents were large in the 0—30 cm soil layer. Cu and Zn mainly existed in the form of iron-manganese oxide bound state and residue state

while Cd mainly existed in the form of exchangeable and carbonate-bound forms. The contents of Cu

and Cd in rain garden soil had good relationships with TOC (R2>0.8). [Conclusion] Concentrated infiltration in rain gardens had a clear influence on soil N

and heavy metals. NO3-N and TP leaching occurred in rain garden soil. The contents of NH4-N and TN in rain garden soil were mainly concentrated in the 0—50 cm soil layer

while heavy metals were mainly concentrated in the 0—30 cm layer.

关键词

Keywords

references

Fletcher T D, Shuster W, Hunt W F, et al. SUDS, LID, BMPs, WSUD and more-The evolution and application of terminology surrounding urban drainage[J]. Urban Water Journal, 2015,12(7):525-542.

Mehring A S, Hatt B E, Kraikittikun D, et al. Soil invertebrates in Australian rain gardens and their potential roles in storage and processing of nitrogen[J]. Ecological Engineering, 2016,97:138-143.

Jia Zhonghua, Tang Shuangcheng, Luo Wan, et al. Small scale green infrastructure design to meet different urban hydrological criteria[J]. Journal of Environmental Management, 2016,117:92-100.

郭效琛,杜鹏飞,辛克刚,等.基于监测与模拟的海绵城市典型项目效果评估[J].中国给水排水,2019,35(11):130-134.

李家科,张兆鑫,蒋春博,等.海绵城市生物滞留设施关键技术研究进展[J].水资源保护,2020,36(1):1-8.

王璐,于冰沁,陈嫣,等.上海滨海盐碱地区雨水花园适应性结构设计:以临港海绵城市建设示范区为例[J].上海交通大学学报(农业科学版),2019,37(4):29-36.

Gurung S B, Geronimo F K, Hong J, et al. Application of indices to evaluate LID facilities for sediment and heavy metal removal[J]. Chemosphere, 2018,206:693-700.

罗鸣,叶兴成,王飞,等.下凹绿地与雨水花园在小区尺度应用中的对比[J].节水灌溉,2018(2):117-121.

Kim B S M, Salaroli A B, Ferreira P A D L, et al. Spatial distribution and enrichment assessment of heavy metals in surface sediments from Baixada Santista, Southeastern Brazil[J]. Marine Pollution Bulletin, 2016,103(1/2):333-338.

Gunawardena J, Egodawatta P, Ayoko G A, et al. Atmospheric deposition as a source of heavy metals in urban stormwater[J]. Atmospheric Environment, 2013,68:235-242.

Tedoldi D, Chebbo G, Pierlot D, et al. Impact of runoff infiltration on contaminant accumulation and transport in the soil/filter media of Sustainable Urban Drainage Systems:A literature review[J]. Science of the Total Environment, 2016,569/570:904-926.

Xie Yunfeng, Chen Tongbin, Lei Mei, et al. Spatial distribution of soil heavy metal pollution estimated by different interpolation methods:accuracy and uncertainty analysis[J]. Chemosphere, 2011,82(3):468-476.

Tessier A, Campbell P G C, Bisson M. Sequential extraction procedure for the speciation of particulate trace metals[J]. Analytical Chemistry, 1979,51(7):844-851.

蔡俊驰,李嘉,任婷婷,等.水质因子对白鹤滩藻类生长影响模拟试验研究[J].四川大学学报(工程科学版),2014,46(S1):37-41.

韦毓韬,姜应和,张校源,等.雨水径流中重金属污染现状及其相关性分析[J].环境保护科学,2018,44(5):68-72.

王禄,喻志平,赵智杰.人工快速渗滤系统氨氮去除机理[J].中国环境科学,2006,26(4):500-504.

Li Liqing, Davis A P. Urban Storm-water runoff nitrogen composition and fate in bioretention systems[J]. Environment Science & Technology, 2015,48(6):3403-3410.

申丽勤,车伍,李海燕,等.我国城市道路雨水径流污染状况及控制措施[J].中国给水排水,2009,25(4):23-28.

董微砾.速城市化地区雨水径流重金属污染特征研究:以乌鲁木齐市为例[D].新疆乌鲁木齐:新疆师范大学,2014.

王腾云,周国华,孙彬彬,等.福建沿海地区土壤-稻谷重金属含量关系与影响因素研究[J].岩矿测试,2016,35(3):295-301.

谢娜,冯备战,李春亮.不同土地利用方式土壤有机碳变化特征及与重金属的相关性分析[J].中国农学通报,2019,35(26):115-120.

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