نتایج جستجو برای: urban runoff

تعداد نتایج: 184121  

2014
Floris Boogaard Terry Lucke Nick van de Giesen Frans van de Ven

Permeable pavements are a type of sustainable urban drainage system (SUDS) technique that are used around the world to infiltrate and treat urban stormwater runoff and to minimize runoff volumes. Urban stormwater runoff contains significant concentrations of suspended sediments that can cause clogging and reduce the infiltration capacity and effectiveness of permeable pavements. It is important...

2003
C. Dierkes A. Holte W. F. Geiger

Porous pavements with reservoir structure for infiltration of runoff from parking spaces and residential streets offer the opportunity to dispose water without using additional space in urban areas. However, pollutants in urban runoff endanger soils and groundwater, when pollutant retention in the structure is not sufficient. Porous pavement structures with four different subbase materials were...

2017
Swarna Muthukrishnan

Urban stormwater runoff is being recognized as a major source of pollutants to receiving waters and a number of recent investigations have evaluated stormwater runoff quality and best management practices to minimize pollutant input to receiving waters. Particle-bound contaminants are widespread in the urban environment causing impairment to urban water bodies such as streams and lakes. Non-poi...

Journal: :Water science and technology : a journal of the International Association on Water Pollution Research 2015
Mingfu Guan Nora Sillanpää Harri Koivusalo

This study quantifies the effects of common stormwater management techniques on urban runoff generation. Simulated flow rates for different low impact development (LID) scenarios were compared with observed flow rates during different urban construction phases in a catchment (12.3 ha) that was developed from natural forest to a residential area over a monitoring period of 5 years. The Storm Wat...

Journal: :Water environment research : a research publication of the Water Environment Federation 2006
Eunyoung Hong Eric A Seagren Allen P Davis

One of the principal components of the contaminant load in urban stormwater runoff is oil and grease (O&G) pollution, resulting from vehicle emissions. A mulch layer was used as a contaminant trap to remove O&G (dissolved and particulate-associated naphthalene, dissolved toluene, and dissolved motor oil hydrocarbons) from a synthetic runoff during a bench-scale infiltration study. Approximately...

2014
Zhifeng Li Lixin Wu Wei Zhu Miaole Hou Yizhou Yang Jianchun Zheng

Urban storm inundation, which frequently has dramatic impacts on city safety and social life, is an emergent and difficult issue. Due to the complexity of urban surfaces and the variety of spatial modeling elements, the lack of detailed hydrological data and accurate urban surface models compromise the study and implementation of urban storm inundation simulations. This paper introduces a Const...

2003
Richard M. Gersberg Chris Brown V ctor Zambrano Karilyn Worthington Daniel Weis

A sampling program was conducted to assess the quality of runoff associated with a variety of land uses in the Tijuana River watershed, a binational river basin on the U.S. Mexican border. Generally, metal concentrations in samples collected during the first two to four hours of runoff (early storm) were higher than those in samples collected 24 36 hours into the rain event (late storm). A nota...

Journal: :international journal of environmental research 0
e. garcía-flores department of chemical sciences and engineering, autonomous university of baja california, calzada universidad 14418. international industrial park, tijuana, baja california, mexico, c.p. 22390 f.t. wakida department of chemical sciences and engineering, autonomous university of baja california, calzada universidad 14418. international industrial park, tijuana, baja california, mexico, c.p. 22390 j.h. espinoza-gomez department of chemical sciences and engineering, autonomous university of baja california, calzada universidad 14418. international industrial park, tijuana, baja california, mexico, c.p. 22390

eight sites were sampled during seven rain events to quantify and identify the sources ofpolycyclic aromatic hydrocarbons in urban runoff in the city of tijuana, mexico. the total σ16 pahsconcentration rangedfrom 1113 to 4866 μg/lin the sampled sites and thetotal suspended solid concentrations ranged from 7725 to 4413 μg/l. the high concentrations of total suspended solids were probably the res...

2013
Mehdi Khiadani (Hajian) Mansur Zarrabi Maryam Foroughi

Increase of impervious surfaces in urban area followed with increases in runoff volume and peak flow, leads to increase in urban storm water pollution. The polluted runoff has many adverse impacts on human life and environment. For that reason, the aim of this study was to investigate the efficiency of nano iron oxide coated sand with and without magnetic field in treatment of urban runoff. In ...

Journal: :Environmental science & technology 2014
Megan A Rippy Robert Stein Brett F Sanders Kristen Davis Karen McLaughlin John F Skinner John Kappeler Stanley B Grant

Enclosed beaches along urban coastlines are frequent hot spots of fecal indicator bacteria (FIB) pollution. In this paper we present field measurements and modeling studies aimed at evaluating the impact of small storm drains on FIB pollution at enclosed beaches in Newport Bay, the second largest tidal embayment in Southern California. Our results suggest that small drains have a disproportiona...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید