4.6 Article

Modelling and assessment of hydrological changes in a developing urban catchment

期刊

HYDROLOGICAL PROCESSES
卷 29, 期 13, 页码 2880-2894

出版社

WILEY-BLACKWELL
DOI: 10.1002/hyp.10410

关键词

urban hydrological modelling; SWMM; urbanization; hydrological changes; LID control

资金

  1. Aalto University School of Engineering
  2. European Regional Development Fund (Urban laboratory for sustainable built environment)

向作者/读者索取更多资源

Urbanization strongly changes natural catchment by increasing impervious coverage and by creating a need for efficient drainage systems. Such land cover changes lead to more rapid hydrological response to storms and change distribution of peak and low flows. This study aims to explore and assess how gradual hydrological changes occur during urban development from rural area to a medium-density residential catchment. The Stormwater Management Model (SWMM) is utilized to simulate a series of scenarios in a same developing urban catchment. Sub-hourly hydro-meteorological data in warm season is used to calibrate and validate the model in the fully developed catchment in 2006. The validated model is then applied to other cases in development stage and runoff management scenarios. Based on the simulations and observations, three key problems are solved: (1) how catchment hydrology changes with land cover change, (2) how urban development changes pre-development flows, and (3) how stormwater management techniques affect catchment hydrology. The results show that the low-frequency flow rates had remarkably increased from 2004 to 2006 along with the increase of impervious areas. Urbanization in the residential catchment expands the runoff contributing area, accelerates hydrological response, raises peak flows in an order of magnitude of over 10, and more than doubles the total runoff volume. The effects of several LID controls on runoff hydrograph were simulated, and the techniques were able to reduce flows towards the pre-development levels. However, the partly restored flow regime was still clearly changed in comparison to the pre-development flow conditions. Copyright (c) 2014 John Wiley & Sons, Ltd.

作者

我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。

评论

主要评分

4.6
评分不足

次要评分

新颖性
-
重要性
-
科学严谨性
-
评价这篇论文

推荐

Article Environmental Sciences

Urban hydrological responses to climate change and urbanization in cold climates

Xuan Pang, Yundong Gu, Samuli Launiainen, Mingfu Guan

Summary: This study investigates the hydrological response of an urban catchment in Southern Finland to climate change and urbanization. The findings show that changes in precipitation and temperature significantly affect urban streamflow, with future climate change leading to a shift in the seasonal distribution of urban streamflow. Additionally, urbanization has an impact on flow differences along with climate change.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

Article Geosciences, Multidisciplinary

How Flexible, Slit and Rigid Barriers Mitigate Two-Phase Geophysical Mass Flows: A Numerical Appraisal

Yong Kong, Mingfu Guan, Xingyue Li, Jidong Zhao, Haochen Yan

Summary: This study presents a numerical appraisal of the performance of flexible, slit, and rigid barriers in mitigating natural geophysical mass flows. The study reveals that flexible barriers perform the best under runup mode, while existing analytical models may underestimate the peak impact for slit and rigid barriers and overestimate it for flexible barriers.

JOURNAL OF GEOPHYSICAL RESEARCH-EARTH SURFACE (2022)

Article Engineering, Geological

Load-deflection of flexible ring-net barrier in resisting debris flows

Yong Kong, Xingyue Li, Jidong Zhao, Mingfu Guan

Summary: This study uses a physics-based coupled computational fluid dynamics and discrete-element method (CFD-DEM) to simulate a flexible ring-net barrier and model a debris flow. The numerical predictions show reasonable consistency with large-scale experiments. Systematic simulations are performed to examine the load-deflection mechanisms and quantify the load-deflection modes. The study improves understanding for practical design of flexible barriers in mitigating debris flows.

GEOTECHNIQUE (2023)

Article Engineering, Civil

Bottom-up multilevel flood hazard mapping by integrated inundation modelling in data scarce cities

Mingfu Guan, Kaihua Guo, Haochen Yan, Nigel Wright

Summary: This study develops a bottom-up approach for urban flood hazard mapping, by integrating grid-based flood modelling with data acquisition from open sources. The approach reduces the adverse effects of data scarcity and quality on hazard modelling.

JOURNAL OF HYDROLOGY (2023)

Article Engineering, Civil

Coupled and Stand-Alone Regional Climate Modeling of Intensive Storms in Western Canada

Kai Ernn Gan, Chun Chao Kuo, Thian Yew Gan, Holger Schuettrumpf, Vijay Singh, Harri Koivusalo

Summary: This paper investigates the simulation of intensive storms in Alberta, Canada by coupling a regional climate model (WRF) with a land-surface scheme (Noah). By considering the land-atmosphere feedback, the predictability of the model is enhanced. The study shows that soil moisture, vegetation, and land-surface temperature influence heat fluxes and dynamical characteristics.

JOURNAL OF HYDROLOGIC ENGINEERING (2023)

Article Environmental Sciences

Linking downstream river water quality to urbanization signatures in subtropical climate

Xuan Pang, Yao Gao, Mingfu Guan

Summary: Urbanization has various impacts on river water quality, and understanding these impacts is crucial for effective river management. This study investigates the relationship between urbanization and two key pollutants in stream flows: nutrients and pathogens. Instead of using traditional economic or demographic metrics, our approach considers anthropogenic activities as indicators of urbanization and evaluates their effects on water quality parameters. The study also assesses the impact of urbanization on nutrient and pathogen trends in river waters in Hong Kong.

SCIENCE OF THE TOTAL ENVIRONMENT (2023)

Article Environmental Sciences

Performance of Sand and Mixed Sand-Biochar Filters for Treatment of Road Runoff Quantity and Quality

Harri Koivusalo, Maria Dubovik, Laura Wendling, Eero Assmuth, Nora Sillanpaa, Teemu Kokkonen

Summary: Nature-based solutions and similar natural water retention measures are commonly used by cities to manage urban runoff and improve sustainability. However, their performance is often not thoroughly assessed before construction or properly monitored and evaluated afterwards. This study investigates the field-scale performance of road runoff filters in managing stormwater quantity and quality. The results show that the filters effectively control runoff volume and shape, but the pollutant attenuation is relatively modest. The addition of biochar in the filter has no significant hydrological impact, but it does affect the effluent water quality.
Article Soil Science

Evolution of pH, redox potential and solute concentrations in soil and drainage water at a cultivated acid sulfate soil profile

Heidi Salo, Seija Virtanen, Hanne Laine-Kaulio, Harri Koivusalo, Diederik Jacques, Teemu Kokkonen

Summary: Land drainage induces the oxidation of iron sulfide minerals, leading to acidification of fields and posing environmental hazards. This study developed a model to investigate the effects of mineral oxidation and cation exchange capacity (CEC) on soil water and drain discharge. The model was implemented and tested in an acid sulfate soil profile. Results showed that CEC played a crucial role in simulating pH profile, while oxidation of metastable iron sulfide minerals was faster than pyrite oxidation. The HP1 modeling platform facilitated the analysis of chemical transformations in response to drainage.

GEODERMA (2023)

Article Engineering, Civil

A spatially distributed hydrodynamic model framework for urban flood hydrological and hydraulic processes involving drainage flow quantification

Kaihua Guo, Mingfu Guan, Haochen Yan, Xilin Xia

Summary: This study develops a two-dimensional hydrodynamic model framework that integrates hydrological and hydraulic processes for simulating urban floods, particularly in the presence of complex urban surfaces and subsurface drainage systems. By properly treating the bed source term and quantifying the drainage flow, the model is able to accurately predict urban surface inundation and flood hydrographs, as validated by five benchmark cases. The model framework has been successfully applied to simulate flood events in a rural-urban catchment, demonstrating its robust capability even in the absence of drainage information.

JOURNAL OF HYDROLOGY (2023)

Article Engineering, Civil

Modelling urban stormwater management changes using SWMM and convection-permitting climate simulations in cold areas

Ottar Tamm, Teemu Kokkonen, Lassi Warsta, Maria Dubovik, Harri Koivusalo

Summary: Urbanization and climate change will increase pressure on urban stormwater network. Accurate modeling of urban stormwater changes is necessary for predicting and mitigating the effects. This study uses climate models and a hydraulic Storm Water Management Model to analyze future seasonal changes in hydrological behavior. The results show notable changes in winter processes, with less snow days and increased flow events. There is also an increase in annual maximum hourly flow, particularly in winter. Monthly average runoff is predicted to increase during the cold period. Convection-permitting regional climate models provide added benefits throughout the year. Overall, there is a need to shift towards more advanced stormwater management strategies.

JOURNAL OF HYDROLOGY (2023)

Article Engineering, Marine

Mesh-free simulation of height and energy transfer of landslide-induced tsunami waves

Yunfei Mao, Mingfu Guan

Summary: In this paper, the relationship between landslide properties and induced tsunami wave characteristics as well as the energy transfer between the landslide and waves was systematically investigated. A meshless smoothed particle hydrodynamics (SPH) framework was developed and validated for reproducing the complex processes of landslide-induced tsunami wave generation. Numerical simulations were conducted to study the effects of landslide deformability, relative initial positions, densities, landslide size, and downstream water depths on the maximum wave height. The results provide valuable insights into the understanding of landslide-induced tsunami waves and contribute to risk assessment and mitigation efforts.

OCEAN ENGINEERING (2023)

Article Environmental Sciences

Flood Retention Lakes in a Rural-Urban Catchment: Climate-Dominated and Configuration-Affected Performances

Haochen Yan, Mingfu Guan, Yong Kong

Summary: This study assesses the performance of flood retention lakes (RLs) in rural-urban catchments and finds that the severity of rainstorms and geographic configurations play crucial roles in their performance.

WATER RESOURCES RESEARCH (2023)

Article Geosciences, Multidisciplinary

Utilising social media data to evaluate urban flood impact in data scarce cities

Kaihua Guo, Mingfu Guan, Haochen Yan

Summary: In this study, a workflow framework is developed to assess urban flood impacts by extracting and analyzing social media data, as well as identifying the intensive public response areas, using the case of 2020 China Chengdu rainstorm-induced flooding. The study demonstrates the utility of social media in urban flooding impact assessment, showing that social media activities and precipitation are temporally correlated and social media data can provide spatial flood information.

INTERNATIONAL JOURNAL OF DISASTER RISK REDUCTION (2023)

Article Geosciences, Multidisciplinary

Comparison of sustainable flood risk management by four countries - the United Kingdom, the Netherlands, the United States, and Japan - and the implications for Asian coastal megacities

Faith Ka Shun Chan, Liang Emlyn Yang, Gordon Mitchell, Nigel Wright, Mingfu Guan, Xiaohui Lu, Zilin Wang, Burrell Montz, Olalekan Adekola

Summary: This paper reviews flood management experiences from four developed countries and explores recent strategies to provide lessons for developing coastal megacities. The case studies offer valuable insights for achieving long-term sustainable flood risk management considering social, economic, and environmental concerns.

NATURAL HAZARDS AND EARTH SYSTEM SCIENCES (2022)

暂无数据