Thematische Bibliographien / Wetland construction

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Auswahl der wissenschaftlichen Literatur zum Thema „Wetland construction“

Autor: Grafiati

Veröffentlicht am 30. Juni 2021

Zuletzt aktualisiert am 13. Februar 2022

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Zeitschriftenartikel zum Thema "Wetland construction"

Berninger, Kati, Jari Koskiaho und Sirkka Tattari. „Constructed wetlands in Finnish agricultural environments: balancing between effective water protection, multi-functionality and socio-economy / Małe sztuczne zbiorniki wodne w krajobrazie rolniczym Finlandii: ochrona jakości wody na tle wielozadaniowych funkcji tych zbiorników i aspektów socjalno-ekonomicznych“. Journal of Water and Land Development 17, Nr. 1 (01.12.2012): 19–29. http://dx.doi.org/10.2478/v10025-012-0029-5.

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Abstract This case study summarizes the current knowledge in Finland on the efficiency of constructed wetlands to improve water quality at the same time providing multiple benefits. The efficiency is highly dependent on the wetland’s relative size compared to the upstream catchment area, and on the amount of agricultural land in the upstream catchment. The case study analyses the incentives designed to motivate landowners to construct wetlands in Finland such as the non-productive investment support and the agri-environment payment support for wetland management. Farmers think that the support system is heavy and bureaucratic, and thus the target number of new constructed wetlands is far from being met. Individual projects have been more successful in wetland construction than the official support system. General wetland plans drafted for hotspot areas is an example of enabling factors and strict eligibility rules form one of the barriers of wetland construction identified in this case study. In spite of the criticism of the current wetland incentives, a support system for wetland construction is needed. One option would be to give regional authorities more freedom to select priority areas according to e.g. River Basin Management Plans.

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Zuo, Jin, und Qin Yan. „Recycling Inter-Feed Relationship between Wetlands’ Protective Using and Eco-Town Construction“. Advanced Materials Research 361-363 (Oktober 2011): 1085–90. http://dx.doi.org/10.4028/www.scientific.net/amr.361-363.1085.

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As the wetlands has decreased and degenerated badly due to human’s excessive use, it becomes to be a hotspot in international academe’s forefield to resume and rebuild wetlands. Simply opposing protection to using can effectively ease up the stress of wetland’s degradation in a short term, but is disadvantageous to wetland’s sustainable development. This article takes Tianjin Qilihai wetland as example, aiming at its existing problems, sums up two kinds of infection genes – exterior representation and interior motivation, and intensively analyzes the sticking point from three aspects – economic, acknowledgement and mechanism. It suggests that basing on the idea of accretion and co-prosperity, we can divide wetland area into three zone – core zone, buffer zone and experimental zone, and then let the interior dispersive inhabitants and production activities move out to the intensively constructed eco-town. Thus we can make scientific use of wetland’s economical value and promote circumjacent industries’ transformation. Moreover, by the recycling use of water on a model of source separation combined with wetland classification, the quantity of regenerated water would reach 18.25 million cubic meters. By the Low Impact Development (LID) strategies in the control and use of rainfall and flood, the quantity of rainwater for use would reach 8.62 million cubic meters per year. In this way, the wetlands’ ecological conservation would obtain regurgitation-feeding, the construction of eco-town would be organically combined with protection and using of wetlands, and an effective system of wetlands’ sustainable development and using would be established.

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Bolton, Lise M. W., und Keith G. E. Bolton. „Design, construction and performance of a horizontal subsurface flow wetland system in Australia“. Water Science and Technology 68, Nr. 9 (19.10.2013): 1920–25. http://dx.doi.org/10.2166/wst.2013.434.

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Malabugilmah is a remote Aboriginal community located in Clarence Valley, Northern NSW, Australia. In 2006, seven horizontal subsurface flow wetland clusters consisting of 3 m × 2 m wetland cells in series were designed and constructed to treat septic tank effluent to a secondary level (Total Suspended Solids (TSS) < 30 mg/L and Biochemical Oxygen Demand (BOD5) <20 mg/L) and achieve >50% Total Nitrogen (TN) reduction, no net Total Phosphorus (TP) export and ≥99.9% Faecal Coliform (FC) reduction. The wetland cell configuration allowed the wetlands to be located on steeper terrain, enabling effluent to be treated to a secondary level without the use of pumps. In addition to the water quality targets, the wetlands were designed and constructed to satisfy environmental, economic and social needs of the community. The wetland systems were planted with a local Australian wetland tree species which has become well established. Two wetland clusters have been monitored over the last 4 years. The wetlands have demonstrated to be robust over time, providing a high level of secondary treatment over an extended period.

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White, G. C., I. C. Smalls und P. A. Bek. „Carcoar Wetland – A Wetland System for River Nutrient Removal“. Water Science and Technology 29, Nr. 4 (01.02.1994): 169–76. http://dx.doi.org/10.2166/wst.1994.0183.

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During December, 1991 the NSW Department of Water Resources commenced construction of an artificial wetland at the upstream end of Carcoar Dam near Blayney in central western NSW. The principal function of the wetland is to reduce nutrient inputs, especially phosphorus, from the Belubula River into Carcoar storage and consequently lower the incidence of blue-green algal blooms which occur most summers. The wetland is a multi-faceted project involving substantial research and community involvement. Construction of the wetland weir and levees was completed during April, 1992. Stage one of the wetland planting program ran from October to December, 1992 with stage two scheduled for the same period in 1993. The wetland will not be operational until December, 1993. However, even at this early point in the project, significant experience has been gained in design, construction, planting and establishment of comprehensive community involvement programs for large constructed wetlands on the flood plain. This paper outlines the background to the wetland, the design of the wetland system and its construction primarily as a nutrient removal mechanism in the Belubula River. The paper also outlines the direction of research undertaken and the role and nature of community involvement in various aspects of the project.

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Higgins, James, und Michael Maclean. „Technical Note — The Use of a Very Large Constructed Sub-Surface Flow Wetland to Treat Glycol-Contaminated Stormwater from Aircraft De-Icing Operations“. Water Quality Research Journal 37, Nr. 4 (01.11.2002): 785–92. http://dx.doi.org/10.2166/wqrj.2002.053.

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Abstract All of the pollutants found in stormwater runoff at airports, including surface and aircraft de-icing/anti-icing glycols, can be treated and removed to low levels in well-designed sub-surface flow (SSF) constructed wetland systems. There are two common forms of constructed wetlands used for pollution control: those where water flows over the surface among wetland plants (free water surface or marsh type wetlands); and SSF types where the wastewater flows below the normally dry surface of a gravel substrate in which the wetland plants grow. SSF wetlands have no open water to attract waterfowl and are particularly suitable for use at airports. Of the glycol used at Edmonton International Airport (EIA), 80 to 90% eventually entered surface runoff. Edmonton International Airport's operator, the Edmonton Regional Airports Authority (Edmonton Airports) evaluated a number of glycol management options, including constructed wetlands. As a result, a very large SSF wetland system was installed to handle glycol-contaminated stormwater. This paper reviews results of a feasibility study carried out to define design parameters and scale up kinetics for this wetland system, the detailed design that resulted, the SSF wetland's construction, and the start-up of the Edmonton facilities in August of 2000. It also compares the Edmonton wetland system with a similar facility at Heathrow Airport in the United Kingdom.

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Wang, Bo, Huan Hui Huang und Ping Bin Jin. „The Roles and Applications of Wetlands in Eco-City Construction — Taking Ruian City as an Example“. Advanced Materials Research 518-523 (Mai 2012): 6088–96. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.6088.

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In the process of urbanization, We always neglect the issue of environmental protection. In recognition of this problem, we begin to think about the way to solve it. We find that wetlands have important ecological and environmental functions, which play an important role in maintaining regional ecological balance and the conservation of biological diversity. Especially, urban wetlands are playing an irreplaceable role in eco-city construction. The article takes Ruian city as an example to discuss the utility of natural wetland and constructed wetland in eco-city construction. We conclude that to construct an eco-city, Ruian should focus on pollution control, at the same time, we can make use of natural wetland and constructed wetland to make Ruian more beautiful and ecological.

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Zheng, Yuexin, Guangxin Zhang, Yanfeng Wu, Y. Jun Xu und Changlei Dai. „Dam Effects on Downstream Riparian Wetlands: The Nenjiang River, Northeast China“. Water 11, Nr. 10 (29.09.2019): 2038. http://dx.doi.org/10.3390/w11102038.

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Many studies have found that damming a river can change downstream hydrology, sediment transport, channel morphology, and fish habitat. However, little is known about river dam effects on downstream riparian wetland dynamics and their quantitative relationship with hydrological alterations. In this study, hydrological time series and wetland distribution data spanning nearly 40 years (1978–2016) before and after the construction of a large dam in 2005 across the Nenjiang River in Northeast China were used to reveal the impact of dam on the downstream discharge regime and wetland degradation. Hydro-statistical and stepwise multiple regression analyses were performed to quantify the relationship of riparian wetland area with a metrics of 33 hydrological indicators. Dam construction caused decline in peak discharge, flood frequency, and magnitude. Moreover, 150 km riparian wetlands along the downstream of the dam was largely reduced. The count and duration of high flow pulses, 1-day maximum, and date of maximum discharge changed significantly after the dam construction. The hydrological changes have made a significant contribution to the 44% reduction in riparian wetlands following the dam construction. Our results indicated that hydrological alterations caused by dam regulation led to the area reduction of downstream riparian wetlands. The findings provide relevant information for developing best dam operation practices to protect and restore downstream wetland ecosystems.

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Bu, Lin. „Planning and Design for Constructed Wetlands Based on the Ecological Landscape“. Applied Mechanics and Materials 584-586 (Juli 2014): 662–67. http://dx.doi.org/10.4028/www.scientific.net/amm.584-586.662.

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Urban constructed wetland, effectively used in sewage disposal and ecological restoration, has unique advantages in urban ecological construction. With the development of the ecological landscape concept, constructed wetland gradually has become an important urban ecological landscape. Based on ecological concepts, ecological principle, technical principle and aesthetic principle of planning and the layout, process, landscape, plants and other key issues of design were discussed for the constructed wetland. In this paper, taking Zhongxiang City, Jingmen, Hubei Province as an example, the treatment technology, functional layout and ecological landscape of constructed wetlands were designed based on the analysis of location and site. Through the planning and construction of constructed wetlands, the quality of urban water environment would be improved and the urban water environment with the characteristics of Zhongxiang would be formed, promoting the urban construction to be more green, ecological and livable.

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Yan, Ai Lan, Yi Ting Qi und De Wang Li. „Current Status of Hangjiahu Plain Wetlands Resources and Proposals for Protection and Management“. Advanced Materials Research 955-959 (Juni 2014): 3683–86. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.3683.

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A survey was conducted in Hangjiahu Plain Wetlands to study the baseline information, types, vegetation, characteristics, ecological values, construction and management. The results showed that: the total area of Hangjiahu plain wetlands coverage 181,800 hectares, involving 5 types. The natural resources were very rich in wetlands.There are 8 birds species under national protection and 4 wild plants under national protection. There are 10 wetland places under state protection by government. This is the Nature Protection Zone of Hangzhou Xixi National Wetland Park, a name on the List of international wetlands.Taihu Wetland Park is National wetland park. Proposals on protection and management of the wetland were made by considering practical.

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Meng und Dong. „LUCC and Ecosystem Service Value Assessment for Wetlands: A Case Study in Nansi Lake, China“. Water 11, Nr. 8 (31.07.2019): 1597. http://dx.doi.org/10.3390/w11081597.

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Wetland is one of the most important ecosystems in the world. A healthy wetland ecosystem is important to the development of a regional and even global economy, and it is also beneficial to the human living conditions. In this paper, remote sensing (RS), landscape metrics were used to analyze the land use/land cover change (LUCC), landscape pattern change and the ecosystem services value (ESV) from 1987 to 2017 in Nansi Lake wetland of China. The results showed: 54.4% of the natural wetlands in Nansi Lake were replaced by constructed wetlands in the past 30 years, the ecosystem was degraded and the landscape structure was fragmented due to the severe drought in 2002 and the development of aquaculture and tourism in recent years. The ESV of Nansi Lake wetland fluctuated from 1987 to 2017, and the average annual ESV ($8134/hm2) was much lower than that of global and China’s wetlands, the LUCC driven by human production and economic development leads to the reduction of ESV, especially the rapid increase of constructed wetlands. Finally, the implications of wetland laws and policies, wetland monitoring, assessment and database construction, and wetland regional development strategies were discussed for wetland protection and management.

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Dissertationen zum Thema "Wetland construction"

Flaugh, Dianne L. „Determining the potential for wetland construction within a linear park setting“. Virtual Press, 1991. http://liblink.bsu.edu/uhtbin/catkey/835835.

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The purpose of this creative project was to outline the concept of Wetland Incentive Zones and to develop a site masterplan based on this concept. Meant as an alternative to large single-site wetland banks, Wetland Incentive Zones would be linear areas of land where wetland construction and preservation efforts would be concentrated. The linear structure would distribute the benefits associated with wetlands through a greater area than would a typical wetland bank. If linked together, the zones would form a network of recreational greenways and function as a travel corridor for wildlife. Participating zone landowners would benefit from tax abatements on wetland acreage and other incentive programs. The public would benefit from the preservation and construction of wetlands and the zone's recreational and educational elements.The masterplan was developed to direct wetland site development opportunities and public recreation and educational functions within a 3200 acre study site located in Allen County, Indiana. This site masterplan identified areas suitable for wetland construction, investigated their potential as wildlife habitat, and the wetland condition likely to be supported. The development plan for the site was focused on the use of an abandoned railroad line as a trail system for public recreation and educational use.
Department of Landscape Architecture

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Elliott, Katherine Louise. „An analysis of the Federal wetlands regulations influencing construction development“. Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/21437.

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Jarvis, Adam P. „Design, construction and performance of passive systems for the treatment of mine and spoil heap drainage“. Thesis, University of Newcastle Upon Tyne, 2000. http://hdl.handle.net/10443/428.

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Passive treatment systems for mine water pollution remediation require no chemical or energy inputs, and should only incur limited maintenance costs if properly constructed. This thesis investigates two such passive treatment systems that have been installed at sites in County Durham, UK. The overall objectives of the investigation were to improve understanding of the operation of passive systems in order to produce more accurate design guidelines, and to develop a new passive treatment option to complement existing technologies. To put the research into context the causes, impacts and extent of mine water pollution in the UK and overseas are outlined. In addition a detailed and up-to-date review of passive treatment research and development is provided, which highlights areas in which further research is required. At Quaking Houses, County Durham, a full-scale compost wetland has been constructed to treat an acidic and metal-rich discharge from the spoil heap of an abandoned coal mine. Over the 27 month study period the discharge had pH >_ 4, and mean iron, manganese and aluminium concentrations of 5.4 mg/L, 3.6 mg/L and 6.2 mg/L respectively. The unique design and construction of the 440 m2 wetland is described. An examination of the performance of the wetland illustrates that it has yielded significant improvements in water quality since its construction. Mean reductions in acidity, iron and aluminium concentrations are all around 50%. Bacterial sulphate reduction may be an important contaminant removal mechanism, but its proportional significance is unclear. Comparison of the system at Quaking Houses with other wetlands reveals that the mean reduction in acidity in terms of mass removal per unit area (5.01 g/m2/d) is comparatively low. However, it is shown that comparing wetland performance on this basis may be misleading where influent contaminant concentrations are relatively low, because contaminant removal is demonstrably influent concentrationdependent. A first-order removal assessment method of performance may be more appropriate, and on this basis the Quaking Houses wetland performs well when compared to systems in the USA. An algorithm for predicting wetland effluent iron concentrations is derived using a linear multiple regression technique. Time series analysis strongly suggests that some effluent water quality variables (and therefore wetland performance measures) are significantly affected by seasonal climate changes. In particular aluminium and acidity removal rates rise with increasing air temperature. This implies that to meet the same effluent water quality targets passive treatment systems in cold climate locations may need to be larger than equivalent systems in warmer climates. At Kimblesworth, also in County Durham, a pilot-scale passive treatment system has been operated for 4 months. The Kimblesworth discharge is a net-alkaline pumped mine water containing up to 2 mg/L iron and up to 1 mg/L manganese. The novel system at this site was designed to rapidly remove iron by oxidation and accretion of iron to high surface area media. The monitoring programme has revealed the system to be very efficient. Iron concentrations are consistently reduced to < 0.5 mg/L, and removal rates are an order of magnitude greater than in wetland systems. Furthermore, lithium tracer tests reveal that the residence time of water in the reactors is just 5- 10 minutes. The results of this research suggest that the technology could be applied at full-scale. The compost wetland at Quaking Houses and the new reactor at Kimblesworth may well complement each other. The Quaking Houses system generates alkalinity and removes metal contaminants, but effluent water still contains marginally elevated concentrations of iron (mean 2.4 mg/L). The Kimblesworth system is shown to be very effective at rapidly removing low concentrations of iron, and thus could conceivably be used as a polishing unit following a compost wetland such as that at Quaking Houses. Alternatively high surface area media reactors such as those at Kimblesworth could be used to treat discharges in topographically difficult locations, where the installation of a wetland is not feasible.

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Winning, Geoffrey Bruce, und res cand@acu edu au. „Vegetation Changes in a Large Estuarine Wetland Subsequent to Construction of Floodgates: Hexham Swamp in the Lower Hunter Valley, New South Wales“. Australian Catholic University. School of Arts and Sciences, 2006. http://dlibrary.acu.edu.au/digitaltheses/public/adt-acuvp107.11092006.

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Floodgates were constructed in 1971 on the main creek draining Hexham Swamp, a large wetland on the floodplain of the lower Hunter River, New South Wales. Substantial changes in vegetation have occurred in Hexham Swamp subsequent to the construction of the floodgates. Previous areas of mangroves and saltmarsh have been reduced (180ha to 11ha, and 681ha to 58ha, respectively), and Phragmites australis has expanded (170ha to 1005ha). Much of the mangrove loss (ca. 130ha) was a result of clearing, and the remainder has gradually died off. The factors contributing to the dieback are likely to be a combination of drying of the soil, root competition and, at times, waterlogging. Field sampling as well as microcosm and reciprocal transplant experiments involving key species, Sarcocornia quinqueflora, Sporobolus virginicus, Paspalum vaginatum and Phragmites australis, suggest that a reduction in soil salinity has been an important factor in initiating successional change from saltmarsh to Phragmites reedswamp. The data also suggest that increased waterlogging has been an important factor in initiating vegetation change. This apparently paradoxical result (floodgates and associated drainage generally result in drying of wetlands) is likely to have resulted from occlusion of drainage lines (by sediment and reeds) and is, therefore, likely to be a condition that developed gradually. That is, the initial effect of the floodgates is expected to have been a drying of the swamp, followed over time by an increasing wetness. An examination of vegetation changes after removal of cattle from part of Hexham Swamp, suggests that grazing had little effect on species composition of vegetation or rate of expansion of Phragmites australis. However, grazing does affect vegetation structure (height and density), possibly favours some coloniser species (e.g. Sarcocornia quinqueflora) in particular environmental conditions, and possibly inhibits establishment of Phragmites australis.

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Nordin, Svante. „Värdering av ekosystemtjänster vid restaurering och anläggning av våtmarker“. Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-298190.

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Våtmarker förser oss människor med ett stort antal viktiga ekosystemtjänster, såsom vattenrening, vattenreglering, klimatreglering och rekreation. Delvis eftersom många våtmarker försvunnit och försämrats i Sverige under drygt de senaste hundra åren finns ett behov av att restaurera och anlägga våtmarker. Ekosystemtjänsternas värde uttrycks vanligtvis inte på marknaden, och restaureringstakten är för låg. Ett möjligt sätt att hantera detta är att värdera våtmarkers ekosystemtjänster ekonomiskt. Syftet med denna rapport är att utreda hur ekosystemtjänster och de värden de genererar synliggörs och påverkar beslut kring restaurering och anläggning av våtmarker i Sverige. Detta har uppnåtts genom att intervjua tre personer som varit inblandade i restaurering eller anläggning av våtmarker, samt att sammanställa syften som angetts för projekt inom bidragssystemet LONA våtmark. Resultatet visar att förbättring till tillgången till flera olika ekosystemtjänster eftersträvas, bland annat utjämning av vattenflöden, minskning av näringsämnen och rekreation. Våtmarkers ekosystemtjänster har dock sällan värderats och deras värden lyfts inte fram i någon större utsträckning. Hur värdering av ekosystemtjänster skulle kunna användas i större utsträckning vid restaurering och anläggning av våtmarker diskuteras också.
Wetlands provide us humans with a large number of important ecosystem services, such as water purification, water regulation, climate regulation and recreation. Partly because many wetlands have disappeared and deteriorated from Sweden for just over the last hundred years, there is a need to restore and build wetlands. The value of ecosystem services is usually not expressed in the market, and the rate of restoration is too low. One possible way to handle this is to evaluate wetland ecosystem services economically. The purpose of this report is to investigate how ecosystem services and the values they generate are made visible and influence decisions regarding the restoration and construction of wetlands in Sweden. This has been achieved by interviewing three people who have been involved in the restoration or construction of wetlands, as well as compiling objectives stated for projects within the LONA wetland grant system. The results show that improvement in access to several different ecosystem services is sought, including equalization of water flows, reduction of nutrients and recreation. However, wetland ecosystem services have rarely been evaluated and their values are not highlighted to any great extent. How valuation of ecosystem services could be used to a greater extent in the restoration and construction of wetlands is also discussed.

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Pham, Minh Phung Thi. „Water quality guidelines and water quantity analysis with application to construction of a pilot-scale wetland treatment system“. Connect to this title online, 2009. http://etd.lib.clemson.edu/documents/1246565997/.

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Zedník, Ondřej. „Využití stavebních recyklátů pro čištění odpadních vod“. Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409741.

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The constantly tightening wastewater treatment legislation require high-quality runoff from small-scale producers of pollution who are typically represented by small municipalities up to 500 inhabitants or decentralized parts of larger municipalities. Small municipalities are faced with high investment-intensity associated with the acquisition of new wastewater treatment plant. After several years of development, today natural technologies of wastewater treatment are in competition with mechanical-biological treatment plants. Natural technologies can even achieve better results than popular biological treatment plants. However, natural technology does not eliminate the main investment limit connected with the acquisition of wastewater treatment plant. If there was cheaper solution connected with using alternative filter materials (in our case recycled construction and demolition waste), small municipalities could take constructed wetland without large subsides. At the same time, the use of recycled construction and demolition wastes will lead to benefits in the field of sustainable urban development and replacement of non-renewable materials. Despite these benefits, recycled aggregates have never been considered as alternative filter materials for natural wastewater treatment plants. For that reason, the aim of diploma thesis is to assess the possibility of applying recycled aggregates for wastewater treatment which will include evaluation of real trial operation.

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Lanham, Abigail E. „My Learning Experiences at the Environmental Consulting Firm: Parsons Corporation“. Miami University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=miami1417006816.

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Griffith, Kevin L. (Kevin Lynn). „Constructed wetlands : a growing opportunity for the construction industry“. Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/45719.

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Speks, Amanda. „Analyzing the impact of the financial systems for constructing wetlands in Sweden“. Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-445062.

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Financial support is one of the main ways in which the Swedish government can encourage restoration and construction of wetlands. Despite having the tool of financial support for constructing wetlands in place, there is little information on how the support systems are structured and how they compare to each other. Another knowledge gap is the regional variation in wetland construction among counties and how this differs between them. The purpose of this study is therefore two-part. Firstly, to map and compare the three main financial systems for constructing wetlands in Sweden, namely LOVA (the Local Water Preservation Grant), LONA (the Local Initiative for Nature Conservation) and the RDP (the Rural Development Programme). Results from the national comparison among financial systems shows that the RDP is the significantly most influential grant in wetland construction, whereas LOVA make up 9% and LONA 1% of the sum of hectares of constructed wetlands. These findings are the reason why this study only uses the RDP as a basis for the second purpose of this study, which is to investigate the regional variation in wetland construction. These results reveal two main findings, firstly that Skåne is the county with the most constructed wetlands, both in terms of hectares and number of wetlands. Finally, the purposes of the constructed wetlands which are financed by the RDP, are reviewed in this study. The purposes differ greatly between counties and do not necessarily align with the targets set in the Regional Action Plans. The reasons for the large variations between counties, the low numbers of constructed wetlands within LONA and the administrative process of the RDP are topics which are recommended to research further.

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Bücher zum Thema "Wetland construction"

Planting wetlands + dams: A practical guide to wetland design, construction + propagation. Sydney, Australia: UNSW Press, 1998.

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Romanowski, Nick. Planting wetlands and dams: A practical guide to wetland design, construction and propagation. 2. Aufl. Collingwood, Vic: CSIRO Publishing, 2009.

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United States. Federal Energy Regulatory Commission. Office of Energy Projects. Wetland and waterbody construction and mitigation procedures. Washington, DC: Federal Energy Regulatory Commission, Office of Energy Projects, 2003.

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Marble, Anne D. A guide to wetland functional design. McLean, Va: Federal Highway Administration, 1991.

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Marble, Anne D. A guide to wetland functional design. Boca Raton: Lewis Publishers, 1992.

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Horner, Richard R. Guide for wetland mitigation project monitoring. Olympia, Wash: Washington State Dept. of Transportation, Planning, Research and Public Transportation Division, in cooperation with the U.S. Dept. of Transportation, Federal Highway Administration, 1989.

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Boshart, William. BA-04, west Pointe à la Hache siphon construction: Summary data and graphics. Baton Rouge, La: Louisiana Dept. of Natural Resources, Coastal Restoration Division, 2003.

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Gang kou jian she yu shi di bao hu: Port construction and wetland protection. Beijing: Zhongguo lin ye chu ban she, 2012.

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Mitsch, William J. Treatment of acid mine drainage at Lick Run demonstration wetland: Post-construction analysis. Columbus, Ohio: Ohio State University, 1994.

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Gain, W. Scott. The effects of flow-path modification on water-quality constituent retention in an urban stormwater detention pond and wetland system, Orlando, Florida. Tallahassee, Fla: U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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Buchteile zum Thema "Wetland construction"

An, Shuqing, und Limin Wang. „Construction and Management of the Project“. In Wetland Restoration, 109–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54230-5_8.

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Li, Xiao-Bo. „Research on Continuable Construction of Urban Wetland Park Development“. In Lecture Notes in Electrical Engineering, 571–78. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-4793-0_72.

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Aboagye-Nimo, Emmanuel, Justus Harding und Alexandros I. Stefanakis. „A Construction Manager's Perception of a Successful Industrial Constructed Wetland Project“. In Constructed Wetlands for Industrial Wastewater Treatment, 551–61. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119268376.ch25.

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Suhani, Ibha, Monika, Barkha Vaish, Pooja Singh und Rajeev Pratap Singh. „Restoration, Construction, and Conservation of Degrading Wetlands: A Step Toward Sustainable Management Practices“. In Restoration of Wetland Ecosystem: A Trajectory Towards a Sustainable Environment, 1–16. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-7665-8_1.

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SalvadorAlejandro und Sánchez-Tovar. „Design and Construction of an Artificial Subsuperficial Wetland of Double Cell: An Experience in Palmillas, Queretaro Mexico“. In Artificial or Constructed Wetlands, 347–66. Boca Raton, FL : CRC Press, Taylor & Francis Group, [2018]: CRC Press, 2018. http://dx.doi.org/10.1201/9781315184265-18.

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Zhou, Lu, Zhi Cao und Zhaojun Huang. „Performance, Environmental Benefit and Economic Analysis of Constructed Wetland Using Construction Waste as Substrate“. In Proceedings of the 2020 International Conference on Resource Sustainability: Sustainable Urbanisation in the BRI Era (icRS Urbanisation 2020), 107–17. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-9605-6_8.

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Veen, Peter, und Anatoly Krutov. „Improving Drainage Water Quality by Constructing Wetland Ecosystems in the Catchment Area of the Amu Darya, Aral Sea Region“. In The Inter-Relationship Between Irrigation, Drainage and the Environment in the Aral Sea Basin, 101–11. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1770-5_13.

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Lewis, William M. „What Wetlands Do, and How They Do It“. In Wetlands Explained. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195131833.003.0005.

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Those who question the wisdom of wetland regulations sometimes tell a story about a landowner who proposes to build a fine home on a tract of land that is largely wetland. This landowner lives in a region where wetlands are abundant but is denied permission to build on grounds that construction would involve filling a wetland. Because he owns considerable property, the owner moves to higher ground, clears five acres of mature upland timber, and builds his home quite legally in this way. The irony is that the mature upland timber is much scarcer locally than wetland, and the stupidity of the regulation is to have forced someone to destroy the scarcer of two resources. The names, places, and other particulars of this story vary with the teller, but there is little doubt that wetland regulation has sometimes caused an environmental loss greater than the value of the wetland that is preserved. Perhaps the landowner in the story could have been given an exemption had he only been allowed to argue the great value of mature upland forest in his particular region. As a practical matter, however, special pleading can defeat the intent of almost any regulation. Thus, the rigidity in the regulation may be justified by its need to be faithful to the general intent of the underlying law and not by a need to be rational in every case. At any rate, the story may be specious as a generalization in that the Army Corps in most cases would have granted a permit to an individual for a small wetland conversion, or the conversion would have been covered under a general permit for small conversions (chapter 1). Those who question the wisdom of wetland regulations sometimes tell a story about a landowner who proposes to build a fine home on a tract of land that is largely wetland. This landowner lives in a region where wetlands are abundant but is denied permission to build on grounds that construction would involve filling a wetland. Because he owns considerable property, the owner moves to higher ground, clears five acres of mature upland timber, and builds his home quite legally in this way.

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Battaglia, Brett M., und J. Roger Trettel. „Rapid Approach to Required Post-Construction Wetland Vegetation Monitoring after Pipeline Construction“. In Environmental Concerns in Rights-of-Way Management: 7th International Symposium, 591–97. Elsevier, 2002. http://dx.doi.org/10.1016/b978-008044117-7/50067-0.

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Nicolson, Ken. „Mai Po“. In Landscapes Lost and Found. Hong Kong University Press, 2016. http://dx.doi.org/10.5790/hongkong/9789622093393.003.0006.

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Case study 5: The Mai Po Wetlands are a protected wildlife habitat of international importance. There is a common misconception that the site is a natural wilderness with no human intervention. Instead, Mai Po is one of the most intensively managed areas in Hong Kong in order to maintain the optimum biodiversity and balance the interests of commercial fish farmers, visitor education, and wildlife conservation. Although the extensive site is owned by government, the wetland reserve is managed by the World Wide Fund for Nature (WWF). This chapter traces the history of human intervention that has shaped the wetlands beginning with paddy fields and later construction of fish and shrimp ponds within the dense coastal mangrove plantations. The Mai Po story has a lot to teach the conservation practitioner about resolving conflicts between human activities and habitat protection, sensible land use zoning, establishing buffer zones, and understanding the dynamics of organically evolved cultural landscapes in general.

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Konferenzberichte zum Thema "Wetland construction"

O'Connor, J. K., B. Morgan, S. Nichol und C. Black. „New Port Construction Leads to Salt Water Wetland Creation“. In 12th Triannual International Conference on Ports. Reston, VA: American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/41098(368)66.

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Hailun, Wu, und Xu Dong. „Notice of Retraction: Construction of wetland ecotourism management system — Case study for wetland in Jinyin Lake, Wuhan“. In 2011 International Conference on E-Business and E-Government (ICEE). IEEE, 2011. http://dx.doi.org/10.1109/icebeg.2011.5881481.

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Davidow, Steven A., und David G. Carr. „Micropile Design and Construction in a Limited Access Wetland Habitat“. In Electrical Transmission and Substation Structures 2015. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479414.004.

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Yu, Shuchao, Wenbo Fan, Junfeng Li, Xurong Zheng und Gang Yu. „Evaluation on ecological engineering construction of MaNaSi River Valley Wetland“. In Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, herausgegeben von Xiaoling Pan, Wei Gao, Michael H. Glantz und Yoshiaki Honda. SPIE, 2003. http://dx.doi.org/10.1117/12.466517.

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DUMBRAUSKAS, Antanas, Nijolė BASTIENĖ und Petras PUNYS. „IDENTIFYING THE MOST SUITABLE AREAS FOR SURFACE FLOW WETLAND CONSTRUCTION IN LITHUANIA“. In Rural Development 2015. Aleksandras Stulginskis University, 2015. http://dx.doi.org/10.15544/rd.2015.060.

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GIS-based approach to find the suitable sites for surface flow constructed wetlands was employed for the Lithuanian river basins with low ecological status. According to the nature of the analysed criteria the flowchart consists of two phases. Criteria used include hydrographical network, soil properties, terrain features, land use, etc. Some of them have strictly defined values (constraints), and other ranges within certain limits (factors). Limited criteria were analysed using rejection principle and influencing factors using proximity analysis and overlay methods. Selecting the potential sites using standard GIS analysis tools there was estimated about 3286 sites for possible wetlands with the mean area of inflow basin about 4 km2 in the basins of water bodies at risk.

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Abukhodair, Bassam M., Joe Litman und Jay Bergman. „Concrete Containment Wall vs. Earthen Containment Dikes“. In 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64042.

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The most common form of secondary containment for petroleum tanks is an earthen dike structure. Precast, pre-stressed concrete wall structures, however, can offer effective secondary containment, especially for sites that encroach on existing infrastructure, property limits, or environmentally sensitive areas. A secondary containment system constructed with concrete walls occupies a much smaller footprint than an earthen dike structure. This reduction in footprint can be critical, particularly in today’s expanding market which is placing increasing pressure on available site properties including, in many cases, the need to acquire permits for the development of environmentally sensitive areas. The new Tank #79 and Tank #80 projects at the Enbridge Griffith Terminal utilized an 880 lineal foot precast, pre-stressed concrete containment wall system. The existing site soils were sandy and unsuitable for containment berm construction. Therefore, earthen dike structure construction would have required imported clay material. However, the primary motivation for using the structural wall system at the Griffith Terminal was to reduce wetland impacts on the adjacent protected Hoosier Prairie Wetland. The concrete containment wall system saved approximately one half acre of wetland which significantly reduced wetland mitigation costs and also fulfilled the wetland permitting requirement to reduce (minimize) wetland disturbance. Finding a vendor with past experience in the fabrication of precast, pre-stressed concrete panels suitable for secondary containment was a challenge due to their limited prior use in similar containment wall systems. For the design, detailing and fabrication of this system Enbridge worked closely with precast concrete fabricators to define a typical pre-cast panel which was economical, could be easily installed, was structurally suitable for containment design forces and which would prove durable in a cold-weather environment. Additional considerations included proper sealing of adjacent wall panel joints, selecting and detailing a suitable impermeable liner to bridge the wall to the tank lot clay layer, and design and installation of supporting concrete caissons and steel piles for wall panel vertical and lateral support. The Tank #79 and #80 projects at the Griffith Terminal have benefited from the decision to depart from the traditional earthen berm and construct a structural containment wall system. These benefits included reduced wetland and overall project footprint impacts, accelerated project environmental permitting and an accelerated project construction schedule.

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Arndt, James, Paul Turner und Scott Milburn. „Permitting and Constructing a Large Pipeline Through a State-Regulated, Sensitive Wetland Resource: Alberta Clipper and the Gully 30 Calcareous Fen“. In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90622.

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Pipeline crossings of sensitive, state or federally-regulated resources are occasionally unavoidable and can substantially increase project costs and negatively affect project timelines. During due-diligence surveys for invasive plants, field botanists identified an undocumented calcareous fen and associated state-listed wetland plants along the route of Enbridge’s LSr and Alberta Clipper pipelines in northwest Minnesota. Calcareous fens are rare peat-accumulating wetlands dominated by groundwater discharge, a high mineral content, and are protected by state law. Their hydrology and chemistry provide an environment for a suite of state-listed plants that are specifically adapted and unique to calcareous fens. By state statute, calcareous fens may not be filled, drained, or otherwise degraded by any activity unless the Commissioner of the Minnesota Department of Natural Resources (DNR) authorizes the activity under an approved Fen Management Plan. The proposed LSr and Alberta Clipper Pipeline route in the area was collocated with existing Enbridge pipelines installed before the fen was identified. State regulatory staff quickly officially recognized the Gully 30 Calcareous Fen which initiated a lengthy permitting process to authorize Enbridge to construct the LSr and Alberta Clipper Pipelines through the Gully 30 Calcareous Fen. Avoiding the fen would have involved an impracticable reroute along several miles of greenfield. The state (DNR) and federal (Army Corps of Engineers) process involved detailed characterization of the resource, development and approval of an alternatives analysis according to Section 404(b)(1) guidelines, and drafting and approval of a project-specific Fen Management Plan which stipulated specific construction mitigation procedures including winter construction and protective temporary drainage, and post construction monitoring requirements. This presentation introduces the calcareous fen resource and examines the permitting and iterative, comment-response construction-design process as an example of successful collaboration between state and federal agencies and Enbridge to construct a pipeline through a highly regulated, sensitive natural resource while maintaining schedule.

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Rados, Thomas, Steven Sottung, Deborah Descaro und Drew Altland. „Stream Relocation and Wetland Mitigation for the Construction of a State Correctional Facility in Pennsylvania“. In Wetlands Engineering and River Restoration Conference 2001. Reston, VA: American Society of Civil Engineers, 2001. http://dx.doi.org/10.1061/40581(2001)34.

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„Research on the Landscape Design of Urban Wetland in the Construction of “Sponge City”“. In 2017 4th International Materials, Machinery and Civil Engineering Conference. Francis Academic Press, 2017. http://dx.doi.org/10.25236/matmce.2017.20.

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Price, K., und M. Martz. „Engineering Support during Construction of River and Wetland Restoration Projects: Case Studies for Optimization“. In World Environmental and Water Resources Congress 2008. Reston, VA: American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/40976(316)294.

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Berichte der Organisationen zum Thema "Wetland construction"

Van Lonkhuyzen, R. Wetland assessment of the effects of construction and operation of a depleteduranium hexafluoride conversion facility at the Portsmouth, Ohio, site. Office of Scientific and Technical Information (OSTI), September 2005. http://dx.doi.org/10.2172/861612.

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Piercy, Candice, Safra Altman, Todd Swannack, Carra Carrillo, Emily Russ und John Winkelman. Expert elicitation workshop for planning wetland and reef natural and nature-based features (NNBF) futures. Engineer Research and Development Center (U.S.), August 2021. http://dx.doi.org/10.21079/11681/41665.

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This special report discusses the outcomes of a September 2019 workshop intended to identify barriers to the consideration and implementation of natural and nature-based features (NNBF) in US Army Corps of Engineers (USACE) civil works projects. A total of 23 participants representing seven USACE districts, the US Army Engineer Research and Development Center (ERDC), and the University of California–Santa Cruz met at USACE’s South Atlantic Division Headquarters in Atlanta, Georgia, to discuss how to facilitate the implementation of NNBF into USACE project planning for wetlands and reefs using six categories: (1) site characterization, (2) engineering and design analysis, (3) life-cycle analysis, (4) economic analysis, (5) construction analysis, (6) and operation and maintenance (and monitoring). The workshop identified seven future directions in wetland and reef NNBF research and development: • Synthesize existing literature and analysis of existing projects to better define failure modes. • Determine trigger points that lead to loss of feature function. • Identify performance factors with respect to coastal storm risk management (CSRM) performance as well as ecological performance. • Focus additional research into cobenefits of NNBF. • Quantify the economic life-cycle costs of a project. • Improve technology transfer with regards to NNBF research and topics.

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Van Lonkhuyzen, R. Floodplain/wetland assessment of the effects of construction and operation ofa depleted uranium hexafluoride conversion facility at the Paducah, Kentucky,site. Office of Scientific and Technical Information (OSTI), September 2005. http://dx.doi.org/10.2172/861610.

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Best, E. P., H. L. Fredrickson, V. A. McFarland, H. Hintelmann, R. P. Jones, C. H. Lutz, G. A. Kiker, A. J. Bednar, R. N. Millward und R. A. Price. Pre-Construction Biogeochemical Analysis of Mercury in Wetlands Bordering the Hamilton Army Airfield Wetlands Restoration Site. Fort Belvoir, VA: Defense Technical Information Center, September 2005. http://dx.doi.org/10.21236/ada439941.

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Zellmer, S. D., J. R. Rastorfer und G. D. Van Dyke. Ecological effects of pipeline construction through deciduous forested wetlands, Midland County, Michigan. Office of Scientific and Technical Information (OSTI), Juli 1991. http://dx.doi.org/10.2172/5248209.

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Rastorfer, J. R., G. D. Van Dyke, S. D. Zellmer und P. L. Wilkey. Ecological effects of pipeline construction through deciduous forested wetlands, Midland County, Michigan. Topical report, October 1990--August 1992. Office of Scientific and Technical Information (OSTI), April 1995. http://dx.doi.org/10.2172/90267.

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Steiner, G. R., und J. T. Watson. General design, construction, and operation guidelines: Constructed wetlands wastewater treatment systems for small users including individual residences. Second edition. Office of Scientific and Technical Information (OSTI), Mai 1993. http://dx.doi.org/10.2172/10105386.

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An assessment of potential hydrologic and ecologic impacts of constructing mitigation wetlands, Rifle, Colorado, UMTRA project sites. Office of Scientific and Technical Information (OSTI), April 1995. http://dx.doi.org/10.2172/93540.

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