scholarly journals Geographic Location System for Identifying Urban Road Sections Sensitive to Runoff Accumulation

Hydrology ◽  
2021 ◽  
Vol 8 (2) ◽  
pp. 72
Author(s):  
Daniel Jato-Espino ◽  
Shray Pathak
Keyword(s):  
Geographic Location ◽  
Urban Catchment ◽  
Urban Road ◽  
Location System ◽  
Surface Drainage ◽  
Drainage Networks ◽  
Urban Catchments ◽  
Precipitation Loss ◽  
The City

This paper concerns the design of a geographic location system to identify urban road sections susceptible to runoff accumulation through the analysis of the efficiency of surface drainage networks. To this end, a combination of Geographic Information Systems (GISs) and stormwater models was proposed. First, GIS hydrology tools were employed to generate all the information required to characterise urban catchments geometrically. Then, a synthetic storm was created from precipitation data obtained through spatial interpolation for a given return period. Finally, the three main hydrological processes occurring in catchments (precipitation loss, transformation and routing) were simulated using the Hydrologic Modeling System (HEC-HMS). The system was tested through a case study of an urban catchment located in the city of Santander (Spain). The results demonstrate its usefulness in detecting critical points in terms of runoff accumulation, according to the efficiency of the existing surface drainage network.

scholarly journals Driving Forces Of The Development Of Suburban Landscape – A Case Study Of The Sulkov Site West Of Pilsen

2015 ◽  
Vol 34 (3) ◽  
pp. 51-64 ◽  
Author(s):  
Jan Kopp ◽  
Jindřich Frajer ◽  
Renata Pavelková
Keyword(s):  
Historical Development ◽  
Driving Forces ◽  
Historical Analysis ◽  
Geographic Location ◽  
Regional Factors ◽  
The Impact ◽  
Suburban Landscape ◽  
The City

Abstract In the study area of the Sulkov site in the western part of the suburban landscape of the city of Pilsen we focus on detailed historical analysis of the development of the landscape, which has undergone significant changes, and thus clearly demonstrates the impact of the driving forces on both the regional and inter-regional levels. The documented historical development of ecotopes proved that the fundamental changes in the use of the natural potential had been determined by social and economical demand. The specific use of each type of ecotopes of the site was then co-decided by the natural potential of the area and the geographic location with good transport connection, i.e. local and regional factors.

scholarly journals Urban Densification and Social Sustainability: A Case Study of Dhaka

2021 ◽  
pp. 17-36
Author(s):  
Dr. Syeda Jafrina Nancy
Keyword(s):  
Geographic Location ◽  
Social Sustainability ◽  
Residential Areas ◽  
Urbanization Process ◽  
The Social ◽  
Complementary Part ◽  
Different Cultures ◽  
The City ◽  
Growing Population

Dhaka is regarded as a thriving megacity of South Asia. The key challenges that the bustling hub is confronted with are land scarcity and the growing population. With limited land supply, the city is copping to accommodate its ever-growing population through two development strategies, namely densification and vertical expansion. Densification is regarded as an effective tool in guiding the urbanization process, while vertical expansion can be considered as a complementary part of this strategy. When it comes to application in an urban environment as a strategy, the subjective attributes of density need to be taken into consideration along with its objective aspects. As the concept of crowdedness differs generally among people belonging to different cultures, statuses, ethnicity, and geographic location, the livable density standard is also supposed to vary accordingly. The concept of habitable density for any community is profoundly related to the various aspects of social sustainability. Since densification has been taking place in Dhaka without any guidelines, the livability conditions with regards to the social sustainability of the city dwellers are largely compromised. Therefore, there is an urgent need to assess the sustainability of the residential areas of Dhaka, which have been developing as a by-product of the unguided densification process taking place over the recent decades.

A solution for urban road selection and construction problem using simulation and goal programming—Case study of the city of Isfahan

2013 ◽  
Vol 29 ◽  
pp. 46-53 ◽  
Author(s):  
Hadi Karimi Dehnavi ◽  
Mohammad Taghi Rezvan ◽  
Abdolmatin Shirmohammadli ◽  
Dirk Vallée
Keyword(s):  
Goal Programming ◽  
Construction Problem ◽  
Urban Road ◽  
The City

scholarly journals Saving Travel Time as an Urban Planning Instrument. Case Study: Manizales, Colombia

2018 ◽  
Vol 12 (6) ◽  
pp. 44 ◽  
Author(s):  
Carlos Alberto Moncada ◽  
Santiago Cardona ◽  
Diego Alexander Escobar
Keyword(s):  
Travel Time ◽  
Direct Influence ◽  
Urban Mobility ◽  
Road Infrastructure ◽  
Urban Road ◽  
The Road ◽  
Average Travel Time ◽  
Future Situation ◽  
The City

This research explores the benefits of a proposal for urban road infrastructure which aims to improve road connection between northwest and western neighborhoods of the city of Manizales, Colombia, as well as to expand the ring of urban mobility that runs through the city. By calculating the global average accessibility and comparing the current and future situation, by averages of savings gradient, timesaving generated by this alternative are obtained in terms of average travel time. There is evidenced that suggest the road infrastructure proposal would generate savings in the average travel times for the entire city, especially to the neighborhoods located in the area of direct influence.

scholarly journals Catchment management influence on the magnitude of the total solids load conveyed by the stormwater sewer system – a comparative case study

2019 ◽  
Vol 86 ◽  
pp. 00022
Author(s):  
Jarosław Górski ◽  
Katarzyna Górska ◽  
Łukasz Bąk ◽  
Aleksandra Sałata
Keyword(s):  
Comparative Case Study ◽  
City Centre ◽  
Catchment Management ◽  
First Flush ◽  
Sewer System ◽  
Total Solids ◽  
System A ◽  
Urban Catchments ◽  
The City

The aim of the investigations was to make a comparative analysis of TSS concentration and variability in TSS loads as well as to analyse first flush phenomena. That issue is related to the characteristics of two urban catchments located in the city of Kielce. The runoff events observed in the period of investigations (years 2009 – 2016) showed a great diversity. The analyses performed for the study revealed substantial differences in the values of TSS concentration and loads in stormwater from the catchments of concern. The highest TSS concentration in the stormwater for the catchment located at the city outskirts was 252 mg.dm-3, whereas for the catchment in the city centre that value was almost 30 – fold higher and amounted to 7432 mg.dm-3. The analysis of the runoff first flush with respect to the mass of total solids in individual rainfall events showed substantial differences in the course of the process depending on the type of catchment management. In the densely built-up area, the initial 25% and 30% of the volume of runoff transported 25-41% and 30-48% of the solids mass, respectively. In the other catchment, with low and sparsely located buildings, the maximum values of TSS mass were considerably higher and amounted to 22-83% and 28-87%.

scholarly journals Groundwater Contribution to Sewer Network Baseflow in an Urban Catchment-Case Study of Pin Sec Catchment, Nantes, France

Water ◽  
2020 ◽  
Vol 12 (3) ◽  
pp. 689
Author(s):  
Fabrice Rodriguez ◽  
Amélie-Laure Le Delliou ◽  
Hervé Andrieu ◽  
Jorge Gironás
Keyword(s):  
Urban Areas ◽  
Soil Parameters ◽  
Catchment Scale ◽  
Urban Catchment ◽  
Groundwater Levels ◽  
Sewer Systems ◽  
Sewer Network ◽  
Urban Catchments ◽  
Groundwater Contribution

Sewer systems affect urban soil characteristics and subsoil water flow. The direct connection observed between baseflow in sewer systems under drainage infiltrations and piezometric levels influences the hydrological behavior of urban catchments, and must consequently be considered in the hydrologic modeling of urban areas. This research studies the groundwater contribution to sewer networks by first characterizing the phenomenon using experimental data recorded on a small urban catchment in Nantes (France). Then, the model MODFLOW was used to simulate the infiltration of groundwater into a sewer network and model dry weather flows at an urban catchment scale. This application of MODFLOW requires representing, in a simplified way, the interactions between the soil and the sewer trench, which acts as a drain. Observed average groundwater levels were satisfactorily simulated by the model while the baseflow dynamics is well reproduced. Nonetheless, soil parameters resulted to be very sensitive, and achieving good results for joint groundwater levels and baseflow was not possible.

Rooted in Regional Culture, Creating Urban Characteristics — A Case Study of Dukang Road Landscape Design in Baishui County

2012 ◽  
Vol 174-177 ◽  
pp. 2600-2607
Author(s):  
Da Peng Chen ◽  
Juan Ni Gao ◽  
Xian Qin Qiao
Keyword(s):  
Landscape Design ◽  
Urban Life ◽  
Local Culture ◽  
Regional Culture ◽  
Urban Road ◽  
Starting Point ◽  
City Culture ◽  
Culture Characteristics ◽  
The City

Urban road, as the most important aggregation point and generator of the urban life, is an important space for people to experience the city culture and awareness of city character. This paper takes the phenomenon of city character crisis that the city lacks local culture characteristics as the starting point. Through the analysis of landscape design of Dukang Road (E), which is in Baishui county, discusses how to reasonable use local culture in urban road landscape design. With the regional culture as an important creating source, absorb its beneficial "gene," so as to create urban road landscape with regional culture characteristics, thus to better showing the distinct personality and character of the city.

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