Geological suitability of natural sponge body for the construction of sponge city—a case study of Shuanghe Lake district in Zhengzhou airport zone
-
Abstract:
Natural and geological environmental conditions have an important impact on the planning and construction of sponge cities. This paper analyzes geological factors that influence the usage of natural sponge bodies, taking the Shuanghe lake district of Zhengzhou airport zone as an example. An evaluation system with seven factors has been established and the weights of these factors are determined using the analytic hierarchy process (AHP) method. Overlay analysis is then carried out on all factors using GIS to evaluate the geological suitability of the construction of the sponge city. The results show that geologically suitable area for city construction in Shuanghe lake district accounts for 12.3%, relatively suitable area accounts for 76.1%, and relatively unsuitable area accounts for 11.6%. For suitable and relatively suitable areas, we should make full use of the advantages of surface infiltration, vadose zone transportation and aquifer storage to build a sponge city infrastructure with geological engineering as the main component, supplemented by engineering measures such as surface water storage and drainage, and jointly establish a sustainable urban hydrological cycle. For less suitable areas, artificial rain and flood control works, such as roof garden, should be considered. The findings of this paper can serve as an important reference for sponge city planning and construction not only in the research area but also in other regions with similar geological conditions.
-
Key words:
- Natural sponge bodies /
- Low impact development /
- Rain flood control /
- Hierarchy analysis
-
-
Table 1. Hierarchical structure of evaluation factors
Target layer First-level factors Second-level factors Geological suitability research (A) Surface (B1) Surface lithology (C1) Topographic slope (C2) Vadose zone (B2) Vadose zone thickness (C3) Vadose zone lithology (C4) Aquifer (B3) Aquifer thickness (C5) Aquifer lithology (C6) Aquifer abundance (C7) 
下载: 导出CSV
Table 2. Judgement matrix value assignment rule
Description 1 i and j have the same importance 3 i is slightly more important than j 5 i is obviously more important than j 7 i is much more important than j 9 i is extremely more important than j 2, 4, 6, 8 Intermediate value of the above adjacent judgments
下载: 导出CSV
Table 7. Table of evaluation factors’ weights
Evaluation index Weight Vadose zone lithology C4 0.3214 Aquifer thickness C5 0.2262 Aquifer lithology C6 0.1425 Vadose zone thickness C3 0.1071 Topographic slope C2 0.0952 Aquifer abundance C7 0.0598 Surface lithology C1 0.0476
下载: 导出CSV
Table 8. Value assignment basis for evaluation factors
Evaluation factors Suitability level and value assignment basis Unsuitable Relatively unsuitable Moderately suitable Relative suitable Suitable Surface lithology C1 Clay Silty clay Silt Silty sand Fine sand Topographic slope C2 >9‰ 7‰–9‰ 4‰–7‰ 2‰–4‰ <2‰ Aquifer thickness C3 4–6 m 6–8 m 8–10 m 10–15 m >15 m Vadose zone lithology C4 Silty clay Silt+silty clay Silt Silty sand Fine sand Aquifer thickness C5 0–5 m 5–10 m 10–15 m 15–20 m >20 m Aquifer lithology C6 Sandy silt Silty sand Fine sand Aquifer abundance C7 Inferior Relatively inferior Medium Relatively good Good
下载: 导出CSV
Table 9. Value assignment standard for evaluation factors
Suitability level Unsuitable Relatively unsuitable Moderately suitable Relative suitable Suitable Evaluation factor value 1 2 3 4 5
下载: 导出CSV
-
An SL, Huang JJ, Zhang L, et al. 2015. The urban geological survey working direction and supporting role on sponge city construction—take Xuzhou city as an example. Urban geology, 10(4): 6−10. (in Chinese) DOI:10.3969/j.issn.1007-1903.2015.04.002.
Bian XR, Chen YC, Su D, et al. 2021. Study on geological impact and suitability in Sponge City construction—A case study of Changzhou City. Coal Geology Of China, 33(03): 35−42. (in Chinese) DOI:10.3969/j.issn.1674-1803.2021.03.08.
Cui Z, Yang P, Zhang Z. 2016. Comprehensive suitability evaluation of urban geological environment in Zhengzhou-Kaifeng area. Journal of Groundwater Science and Engineering, 4(3): 204−212. DOI:10.19637/j.cnki.2305-7068.2016.03.006.
Deng X, Li JM, Zeng HJ, et al. 2012. Analytic hierarchy process weight calculation method and its application research. Mathematics in Practice and Theory, 42(7): 93−100. (in Chinese) DOI:10.3969/j.issn.1000-0984.2012.07.012.
Fletcher TD, Shuster W, Hunt WF, et al. 2014. SUDS, LID, BMPs, WSUD and more-The evolution and application of terminology surrounding urban drainage. Urban Water Journal, 12(7): 525−542. DOI:10.1080/1573062X.2014.916314.
Han X, Zhao YQ. 2016. “Sponge” development in sponge city construction. Journal of Earth Sciences and Environment, 38(5): 708−714. (in Chinese) DOI:10.3969/j.issn.1672-6561.2016.05.014.
Huang JJ, Wu X, Jiang S, et al. 2018. Geological impact and suitability evaluation of sponge city construction—a case study of Xuzhou. Geological review, 64(6): 1472−1480. (in Chinese) DOI:10.16509 /j.georeview.2018.06.011.
Li Y, Xu LS, Chen JL, et al. 2022. Construction of hydrogeological structure model based on sponge city construction: A case study in the starting area of Changjiang New Town in Wuhan. Resources Environment & Engineering, 36(2): 198−203. (in Chinese) DOI:10.16536/j.cnki.issn. 1671-1211.2022.02.010.
Liu M, Nie ZL, Cao L, et al. 2021. Comprehensive evaluation on the ecological function of groundwater in the Shiyang river watershed. Journal of Groundwater Science and Engineering, 9(4): 326−340. DOI:10.19637/j.cnki.2305-7068.2021.04.006.
Liu SY, Wang HQ. 2016. Dynamic assessment of pollution risk of groundwater source area in Northern China. Journal of Groundwater Science and Engineering, 4(4): 333−343. DOI:10.19637/j.cnki.2305-7068. 2016.04.009.
Ma Z, Huang QB, Lin LJ, et al. 2022. Practice and application of multi-factor urban geological survey in Xiongan New Area. North China Geology, 45(1): 58−68. (in Chinese) DOI:10.19948/j.12-1471/P.2022.01.04.
Miao JJ, Liu HW, Guo X, et al. 2022. Quantitative simulation of retardation effect of NH4+ and NO3− by aquitard layer on confined water in plain: A case study of Tongzhou district in Beijing. North China Geology, 45(3): 62−68. (in Chinese) DOI:10.19948/j.12-1471/P.2022.03.09.
Morison PJ, Rebekah R. 2011. Understanding the nature of publics and local policy commitment to water sensitive urban design. Landscape and Urban Planning, 99(2): 83−92. DOI:10.1016/j.landurbplan.2010.08.019.
Qiu BX. 2015. The connotation, way and prospect of Sponge City (LID). Construction Science and Technology, 41(3): 1−7. (in Chinese) DOI:10.16116/j.cnki.jskj.2015.01.003.
Song ZL. 2016. Sponge effect and purification function of phreatic aquifer under background of urban hardening. Journal of Hubei Polytechnic University, 32(2): 9−12. (in Chinese) DOI:10.3969 /j.issn.2095-4565.2016.02.003.
Sun XF, Qin H, Lu WT. 2019. Evolution of water sensitive urban design in Australia and its enlightenment to Sponge City. Chinese Gardens, 35(9): 67−71. (in Chinese) DOI:1000-6664(2019)09-0067-05.
Wang SW, Wang XY, Sun L, et al. 2019. A suitability evaluation system of sponge city construction based on environmental geological condition of urban sponge body and its application—a case study of Jiaozuo City. Water Resources and Hydropower Engineering, 50(2): 79−87. (in Chinese) DOI:10.13928/j.cnki.wrahe.2019.02.011.
Wang YL. 2008. Systems engineering-4th edition. China Machine Press. (in Chinese)
Wang Z, XieJ, Xie Q, et al. 2013. Advances on the research of the detention and purification of urban stormwater runoff by permeable paving. Environmental Science & Technology, (12M): 138−143. (in Chinese) DOI:10.3969/j.issn.1003-6504.2013.12M.031.
Wong THF, Allen R, Beringer J. 2012. Blueprint 2012-stormwater management in a water sensitive city. Sydney: Cooperative Research Centre for Water Sensitive Cities.
Xie JH, Peng HF, Xia DS, et al. 2018. Study on the suitability of geological conditions for sponge city construction-a case study of Wuhan urban development area. Exploration Engineering (geotechnical drilling and excavation engineering), 45(10): 6−10. (in Chinese) DOI:CNKI:SUN:TKGC.0. 2018-10-002.
Ye XY, Li MJ, Du XQ, et al. 2018. Selection of suitable facility types of sponge city based on geological conditions. Journal of Jilin University (Earth Science Edition), 48(3): 827−835. (in Chinese) DOI:10.13278/j.cnki.jjuese.2017011.
Yu KJ, Wang CL, Li DH, et al. 2019. The concept, methodology and a case study in defining the ecological redline for the hydro-ecological space. Acta Ecologica Sinica, 39(16): 5911−5921. (in Chinese) DOI:10.5846/stxb201812052663.
Zhang W, Pang JP. 2014. Construction of sponge city should be an important part of urban water management in the New Era. Water Resources Development Research, 14(9): 5−7. (in Chinese) DOI:10.13928/j.cnki.wrdr.2014.09.002.
Zheng XC, Zheng WF, Liu W, et al. 2014. Application of Comprehensive Evaluation of City Engineering Geology Based on Vector Evaluation Graphics Using GIS. China University of Geosciences Press. (in Chinese)
-
图(8)
表(9)
计量
- 文章访问数: 824
- PDF下载数: 28
- 施引文献: 0