Relevant bibliographies by topics / Vegetated buffer zone

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Academic literature on the topic 'Vegetated buffer zone'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "Vegetated buffer zone"

1

Ahola, Helena. "Vegetated buffer zone project of the Vantaa River river basin." Geografisk Tidsskrift-Danish Journal of Geography 89, no. 1 (1989): 22–25. http://dx.doi.org/10.1080/00167223.1989.10649277.

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2

RÄTY, M., R. HORN, and K. RASA. "Compressive behaviour of the soil in buffer zones under different management practices in Finland." Agricultural and Food Science 19, no. 2 (2008): 160. http://dx.doi.org/10.2137/145960610791542370.

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Soil structure that favours infiltration is essential for successful functioning of vegetated buffer zones. We measured bulk density, air permeability and precompression stress in a clay soil (Vertic Cambisol) and a sandy loam (Haplic Regosol) in Finland, to identify management-related changes in the physical and mechanical properties in the surface soil of buffer zones. In addition, the impact of texture on these properties was studied at depths down to 180?200 cm. Soil cores (240 cm3) were sampled from a cultivated field, from buffer zones harvested by grazing (only in a clay soil) or by cutting and removing the vegetation, and from buffer zones covered with natural grass vegetation. The samples were equilibrated at a matric potential of -6 kPa and compressed at a normal stress range of 20-400 kPa (7 h), followed by stress removal (1 h). Generally, the clay soil was more compressible than the sandy loam. Due to trampling by cattle, the young grazed buffer zone (0-3 cm) had the largest bulk density and the smallest total porosity. For the grazed sites, reduced air permeability (2.7-5.1 × 10-5 m s-1) was found, compared with that of the buffer zone under natural vegetation (15-22 × 10-5 m s-1), indicating decreased pore continuity. Although the old grazed site was easily compressed, compared with the younger site, it showed a greater resilience capacity due to the protective cover of organic residues accumulated on the soil surface.
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Syversen, Nina, and Ketil Haarstad. "Retention of pesticides and nutrients in a vegetated buffer root zone compared to soil with low biological activity." International Journal of Environmental Analytical Chemistry 85, no. 15 (2005): 1175–87. http://dx.doi.org/10.1080/03067310500117400.

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Zhang, Hongxing, Mingliang Zhang, Tianping Xu, and Jun Tang. "Numerical Investigations of Tsunami Run-Up and Flow Structure on Coastal Vegetated Beaches." Water 10, no. 12 (2018): 1776. http://dx.doi.org/10.3390/w10121776.

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Tsunami waves become hazardous when they reach the coast. In South and Southeast Asian countries, coastal forest is widely utilized as a natural approach to mitigate tsunami damage. In this study, a depth-integrated numerical model was established to simulate wave propagation in a coastal region with and without forest cover. This numerical model was based on a finite volume Roe-type scheme, and was developed to solve the governing equations with the option of treating either a wet or dry wave front boundary. The governing equations were modified by adding a drag force term caused by vegetation. First, the model was validated for the case of solitary wave (breaking and non-breaking) run-up and run-down on a sloping beach, and long periodic wave propagation was investigated on a partially vegetated beach. The simulated results agree well with the measured data. Further, tsunami wave propagation on an actual-scale slope covered by coastal forest Pandanus odoratissimus (P. odoratissimus) and Casuarina equisetifolia (C. equisetifolia) was simulated to elucidate the influence of vegetation on tsunami mitigation with a different forest open gap. The numerical results revealed that coastal vegetation on sloping beach has significant potential to mitigate the impacts from tsunami waves by acting as a buffer zone. Coastal vegetation with open gaps causes the peak flow velocity at the exit of the gap to increase, and reduces the peak flow velocity behind the forest. Compared to a forest with open gaps in a linear arrangement, specific arrangements of gaps in the forest can increase the energy attenuation from tsunami wave. The results also showed that different cost-effective natural strategies in varying forest parameters including vegetation collocations, densities, and growth stages had significant impacts in reducing the severity of tsunami damage.
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Zhang, Dong, Liu, Gao, Hu, and Wu. "Mapping Tidal Flats with Landsat 8 Images and Google Earth Engine: A Case Study of the China’s Eastern Coastal Zone circa 2015." Remote Sensing 11, no. 8 (2019): 924. http://dx.doi.org/10.3390/rs11080924.

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Accurate and up-to-date tidal flat mapping is of much importance to learning how coastal ecosystems work in a time of anthropogenic disturbances and rising sea levels, which will provide scientific instruction for sustainable management and ecological assessments. For large-scale and high spatial-resolution mapping of tidal flats, it is difficult to obtain accurate tidal flat maps without multi-temporal observation data. In this study, we aim to investigate the potential and advantages of the freely accessible Landsat 8 Operational Land Imager (OLI) imagery archive and Google Earth Engine (GEE) for accurate tidal flats mapping. A novel approach was proposed, including multi-temporal feature extraction, machine learning classification using GEE and morphological post-processing. The 50 km buffer of the coastline from Hangzhou Bay to Yalu River in China’s eastern coastal zone was taken as the study area. From the perspective of natural attributes and unexploited status of tidal flats, we delineated a broader extent comprising intertidal flats, supratidal barren flats and vegetated flats, since intertidal flats are major component of the tidal flats. The overall accuracy of the resultant map was about 94.4% from a confusion matrix for accuracy assessment. The results showed that the use of time-series images can greatly eliminate the effects of tidal level, and improve the mapping accuracy. This study also proved the potential and advantage of combining the GEE platform with time-series Landsat images, due to its powerful cloud computing platform, especially for large scale and longtime tidal flats mapping.
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Koenig, Sarah, and Michèle Trémolières. "Transfer of Nitrogen and Phosphorus Nutrients in Vegetated Buffer Zones Receiving Treatment Plant Effluent." Environmental Processes 5, no. 3 (2018): 555–75. http://dx.doi.org/10.1007/s40710-018-0309-4.

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Carluer, N., C. Lauvernet, D. Noll, and R. Munoz-Carpena. "Defining context-specific scenarios to design vegetated buffer zones that limit pesticide transfer via surface runoff." Science of The Total Environment 575 (January 2017): 701–12. http://dx.doi.org/10.1016/j.scitotenv.2016.09.105.

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8

Ligtermoet, Emma, Jane M. Chambers, Halina T. Kobryn, and Jenny Davis. "Determining the extent and condition of riparian zones in drinking water supply catchments in Sarawak, Malaysia." Water Supply 9, no. 5 (2009): 517–31. http://dx.doi.org/10.2166/ws.2009.580.

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Land cover within eight drinking water catchments in Sarawak was classified into six categories using satellite imagery and GIS. The categories represented varying levels of vegetation modification from largely undisturbed or mature secondary vegetation (Category 1) through to bare, non-vegetated areas (Category 6). Rivers less than ∼10 m in width were usually ‘invisible’ on satellite images because of dense canopy cover. More than 70% of headwaters in all catchments, except one (Buri Bakong), were not visible, indicating the presence of dense riparian vegetation. For the river sections that were visible on satellite images, 5%–22% of the riparian buffer was highly degraded (completely lacking vegetation). The highest degree of riparian modification occurred in the lowlands, the midland catchment of Tingkas and the highland catchment of Trusan. Although Sarawak government policy requires buffer widths of 5–50 m of natural vegetation to be retained along all streams and rivers in drinking water supply catchments these guidelines were not met at nine of the eleven field sites surveyed. These results suggest that compliance with buffer guidelines is important to water quality in rivers, particularly in logging areas, oil palm plantations and near settlements.
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Dhondt, Karel, Pascal Boeckx, Georges Hofman, and Oswald Van Cleemput. "Temporal and spatial patterns of denitrification enzyme activity and nitrous oxide fluxes in three adjacent vegetated riparian buffer zones." Biology and Fertility of Soils 40, no. 4 (2004): 243–51. http://dx.doi.org/10.1007/s00374-004-0773-z.

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10

Ribaudo, Cristina, Juliette Tison-Rosebery, Mélissa Eon, Gwilherm Jan, and Vincent Bertrin. "Wind Exposure Regulates Water Oxygenation in Densely Vegetated Shallow Lakes." Plants 10, no. 7 (2021): 1269. http://dx.doi.org/10.3390/plants10071269.

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The presence of dense macrophyte canopies in shallow lakes locally generates thermal stratification and the buildup of labile organic matter, which in turn stimulate the biological oxygen demand. The occurrence of hypoxic conditions may, however, be buffered by strong wind episodes, which favor water mixing and reoxygenation. The present study aims at explicitly linking the wind action and water oxygenation within dense hydrophytes stands in shallow lakes. For this purpose, seasonal 24 h-cycle campaigns were carried out for dissolved gases and inorganic compounds measurements in vegetated stands of an oligo-mesotrophic shallow lake. Further, seasonal campaigns were carried out in a eutrophic shallow lake, at wind-sheltered and -exposed sites. Overall results showed that dissolved oxygen (DO) daily and seasonal patterns were greatly affected by the degree of wind exposure. The occurrence of frequent wind episodes favored the near-bottom water mixing, and likely facilitated mechanical oxygen supply from the atmosphere or from the pelagic zone, even during the maximum standing crop of plants (i.e., summer and autumn). A simple model linking wind exposure (Keddy Index) and water oxygenation allowed us to produce an output management map, which geographically identified wind-sheltered sites as the most subjected to critical periods of hypoxia.
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Dissertations / Theses on the topic "Vegetated buffer zone"

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Koenig, Sarah. "Rôle des zones tampon végétalisées sur les transferts d'azote et de phosphore vers les milieux aquatiques." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAH022/document.

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La préservation de la qualité de l’eau est un enjeu majeur du 21ème siècle notamment avec l’augmentation de la population humaine. Or les rejets de stations d’épuration représentent un risque de pollution du milieu récepteur, notamment en azote et phosphore, aux effets néfastes pour la santé et l’environnement. C’est pour limiter cette pollution que les zones tampon végétalisées (ZTV), systèmes d’infiltration ou d’écoulement des effluents, plantés d’espèces végétales, ont été développées. Cette étude a pour objectif principal de mieux comprendre les transferts de nutriments dans ce type de système. L’impact des différents compartiments –Sol, végétation, microflore- a été étudié dans deux ZTVs de type « noues » situées en aval de stations d’épuration végétalisées en activité et dans une zone expérimentale aux modalités contrôlées. Cette étude a démontré l’importance de l’hydraulique du site, de la texture du sol et de la surface de la zone dans l’efficacité de rétention des flux d’eau et nutriments. L’impact du compartiment microbien dépend en grande partie du temps de rétention hydraulique lié à la surface de la ZTV, et du taux d’oxygénation de l’effluent. La végétation permet une amélioration de l’activité microbienne mais son rôle dans la rétention et l’élimination des nutriments s’avère mineur au regard des quantités en nutriments apportés. Le sol est le compartiment majeur de rétention du phosphore, même si une saturation rapide du sol en phosphore pourrait limiter cette potentialité. Ces observations ont permis de mettre en évidence une variabilité de l’efficacité des ZTVs dans la rétention de l’eau et des nutriments. Cette variabilité peut d’ores et déjà être minimisée par des mesures d’aménagement et de gestion. L’étude des transferts de nutriments mérite d’être approfondie et étendue à tous les types de ZTV<br>The conservation of water quality is a major issue in the 21th century in particular with the increase in the human population. Water-treatment plants rejections represent a risk of pollution of the receiving environment, in particular in nitrogen and phosphorus, with fatal effects for the health and the environment. It is to limit this pollution that the vegetated buffer zones (VBZs), systems of infiltration, where water and nutrients retention are expected, were developed. This study has for main objective to better understand the transfers of nutrients in this type of system. The impact of the various compartments - soil, vegetation, microflora- was studied in two VBZs ditches type, situated downstream to vegetated water-treatment plants in service and in an experimental zone with controlled modalities. This study demonstrated the importance of site hydraulic, soil texture and VBZ surface in effectiveness of water and nutrients retention. The impact of microbial compartment depends largely on the hydraulic retention time bonds to VBZ surface and oxygenation rate of the effluent. Vegetation allows microbial activity improvement but its role in nutrients retention and removal is minor because of high quantities brought by effluents. The soil is the major compartment in phosphorus retention, although a rapid saturation of soil phosphorus could limit this potential. These observations demonstrate variability in the effectiveness of VBZ in water and nutrients retention. This variability could be minimized by planning and management measures. The study of nutrients transfers deserve to be further study and extended to all types of VBZ
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Books on the topic "Vegetated buffer zone"

1

Ellis, Janet H. The need for stream vegetated buffers: What does the science say? Montana Audubon, 2008.

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2

Vegetated buffers in the coastal zone: A summary review and bibliography. Coastal Resources Center, Rhode Island Sea Grant, University of Rhode Island, 1994.

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Reports on the topic "Vegetated buffer zone"

1

Fischer, Richard A., and Chester O. Martin. Corridors and Vegetated Buffer Zones: A Preliminary Assessment and Study Design. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada369970.

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Fischer, Richard A., Chester O. Martin, Dwight Barry, Karl Hoffman, and Kenneth L. Dickson. Corridors and Vegetated Buffer Zones: A Preliminary Assessment and Study Design. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada367601.

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3

Bhattarai, Rabin, Yufan Zhang, and Jacob Wood. Evaluation of Various Perimeter Barrier Products. Illinois Center for Transportation, 2021. http://dx.doi.org/10.36501/0197-9191/21-009.

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Construction activities entail substantial disturbance of topsoil and vegetative cover. As a result, stormwater runoff and erosion rates are increased significantly. If the soil erosion and subsequently generated sediment are not contained within the site, they would have a negative off-site impact as well as a detrimental influence on the receiving water body. In this study, replicable large-scale tests were used to analyze the ability of products to prevent sediment from exiting the perimeter of a site via sheet flow. The goal of these tests was to compare products to examine how well they retain sediment and how much ponding occurs upstream, as well as other criteria of interest to the Illinois Department of Transportation. The products analyzed were silt fence, woven monofilament geotextile, Filtrexx Siltsoxx, ERTEC ProWattle, triangular silt dike, sediment log, coconut coir log, Siltworm, GeoRidge, straw wattles, and Terra-Tube. Joint tests and vegetated buffer strip tests were also conducted. The duration of each test was 30 minutes, and 116 pounds of clay-loam soil were mixed with water in a 300 gallon tank. The solution was continuously mixed throughout the test. The sediment-water slurry was uniformly discharged over an 8 ft by 20 ft impervious 3:1 slope. The bottom of the slope had a permeable zone (8 ft by 8 ft) constructed from the same soil used in the mixing. The product was installed near the center of this zone. Water samples were collected at 5 minute intervals upstream and downstream of the product. These samples were analyzed for total sediment concentration to determine the effectiveness of each product. The performance of each product was evaluated in terms of sediment removal, ponding, ease of installation, and sustainability.
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