نتایج جستجو برای: stormwater management in urban context

تعداد نتایج: 17178453  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1389

abstract tasks nowadays are at the center of attention in sla research. task types is one of the critical issues in this regard, their effectiveness and suitability to any particular context, their characteristics and the result they yield are among some of these issues. on the other hand, discourse markers (dms) have been very much investigated and their effectiveness in conveying the meaning...

2017
Christopher Walker Katharina Tondera Terry Lucke

Constructed Floating Wetlands (CFW) for stormwater treatment are increasingly used to treat urban runoff. However, studies of large-scale systems and the long-term evaluation of their treatment efficiency are scarce. This article presents the final results of a two-year study of the pollutant removal performance of a CFW in a stormwater pond capturing runoff from a low-residential catchment in ...

Journal: :international journal of environmental research 0

man-made reservoirs constructed on running waters, where a decrease in flow velocity and anincrease in flocculent settling occurs, create perfect conditions for the deposition of allohtonic matter andadsorbed pollutants, such as toxic polychlorinated dibenzo-p-dioxins (pcdds) and polychlorinateddibenzofurans (pcdfs). the results obtained from the research on a cascade of five small reservoirs l...

2007
Ashok Sharma Peter Liston Carol Howe

Urban water services in the Australian Capital Territory (ACT) are currently provided through conventional centralised systems, involving large scale water distribution, wastewater collection, water and wastewater treatment. A study was conducted to assist Environment ACT in setting broad policies for future water services in Canberra. This paper presents the outcomes of a study examining the e...

2013
Jeffrey A. Nason Don J. Bloomquist Matthew S. Sprick

Highway stormwater runoff represents a significant source of dissolved copper to surface 4 waters. It is well established that even low concentrations of dissolved copper can be toxic to many 5 aquatic organisms. In the Pacific Northwest of the United States, recent research has focused on the 6 effects of low-level copper exposure to salmonids listed as threatened or endangered under the 7 End...

Journal: :تحقیقات جغرافیایی 0
اسماعیل امیدعلی دانشگاه هنر اصفهان مسعود تقوایی دانشگاه اصفهان مسعود تقوایی دانشگاه اصفهان رسول بیدرام دانشگاه هنر اصفهان

urban effete textures are multiple problems at conspectus skeletal, environmental, social and economic that encounter life of inhabitants with problem in this texture. according to the research, almost 90% of population in country exposed hazard of occurrence earthquake. in this face, by reason of problems, effete textures are over damage if the earthquake happened. nonetheless, to make provisi...

Journal: مدیریت شهری 2015
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Promotion of urbanization is one of characteristics of current societies that in their evolutionary trend results in establishment of megalopolis and brings the complex urban management in these huge population centers every day, together with new difficulties. Urban environmental problems, providing public and security services, green space and city fa�ade, urban economic problems, informing, ...

2012
Olivia Odom William D. Shuster Lee K. Rhea Ahjond S. Garmestani

Decentralized stormwater management is based on the dispersal of stormwater management practices (SWMP) throughout a watershed to manage stormwater runoff volume and potentially restore natural hydrologic processes. This approach to stormwater management is increasingly popular but faces constraints related to land access and citizen engagement. We tested a novel method of environmental managem...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1391

reinsurance is widely recognized as an important instrument in the capital management of an insurance company as well as its risk management tool. this thesis is intended to determine premium rates for different types of reinsurance policies. also, given the fact that the reinsurance coverage of every company depends upon its reserves, so different types of reserves and the method of their calc...

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