Готові списки джерел за темами / Environmental impact analysis McDonald Island

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Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 28 січня 2023

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Статті в журналах з теми "Environmental impact analysis McDonald Island"

1

Akbar, Dhani, Azhari Setiawan, Mariani Mariani, Oksep Adhayanto, Okparizan Okparizan, and Wayu Eko Yudiatmaja. "Environmental Awareness and Concern over Transboundary Oil Spill in Bintan Island: a Preliminary Analysis Results." E3S Web of Conferences 324 (2021): 06003. http://dx.doi.org/10.1051/e3sconf/202132406003.

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Regarding its strategic position which also has environmental potential and actual threats, Kepulauan Riau Province (Riau Island) is facing some challenges. This study discussed the environmental awareness and concern over transboundary oil spills case in Bintan Island, Kepulauan Riau. This study organized a regional cross-sectional survey exploring: (1) knowledge, (2) attitudes, (3) political attitudes, and (4) political perception in relation to transboundary oil spills case. This finding has an important implication for developing a more significant information and socialization on environmental politics and governance towards people in Bintan Island. It also argued that Awareness violates voting process, while, Party Identification and Concern have a positive impact on voting probability. The relevance of Awareness is supported by the inclusion of variable control even though our variable control were not significant.
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2

Zhang, Jing, Yu-shu Zhou, and Xin-yong Shen. "Numerical Simulation Analysis of the Impact of Urbanization on an Extreme Precipitation Event over Beijing–Tianjin–Hebei, China." Atmosphere 11, no. 9 (September 4, 2020): 945. http://dx.doi.org/10.3390/atmos11090945.

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In this study, an extreme rainstorm that occurred in the Beijing–Tianjin–Hebei (BTH) region in China on 19–20 July 2016 is simulated and analyzed using the Weather Research and Forecasting model, coupled with a multilayer urban canopy scheme, to reveal the impact of urbanization on the extreme precipitation process in the region. The results show that the urban heat island effect (that is, surface warming and an increased near-ground sensible heat flux, which leads to increased vertical motion and atmospheric instability layer strengthening) plays a dominant role in the urban modification of rainfall during the early stages of urbanization, resulting in an increase of 6–10 mm in average hourly precipitation in urban and downwind areas. With the further development of urbanization in the BTH region, particularly in the big cities of Beijing and Tianjin, the large-scale expansion of the urban surface reduces the surface moisture, the evaporation of surface water from the ground, and the height of the atmospheric boundary layer, leading to an urban dry island effect brought about by the lack of near-surface water vapor, which inhibits an increase in precipitation. The positive effect of the urban heat island on precipitation was offset by the urban dry island effect, so the increase in precipitation in the urban areas was not obvious, but an increased range of 8–10 mm was noted. The existence of large cities changes the position of the strong upward movement of air, and convective upward movement is more likely to occur between the suburbs. With the further expansion of the underlying surface of the adjacent cities of Beijing and Tianjin, the upward movement between the two cities coincides, leading to an obvious increase in precipitation between the two cities.
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Derevska, Kateryna I., Victor A. Nesterovskyi, Volodymyr V. Manyuk, Kseniia V. Rudenko, and Maria I. Hurina. "Analysis and assessment of the environmental situation within Muromets Island (Kyiv)." Journal of Geology, Geography and Geoecology 31, no. 3 (September 21, 2022): 413–26. http://dx.doi.org/10.15421/112238.

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The environmental situation within Muromets floodplain island, which is considered one of the oldest and largest islands of the Kyiv metropolis was studied. This san- dy island was formed due to fluvial migration and numerous alluvial deposits since the Holocene. The island is located in the modern Dnipro floodplain, bordering Trukhaniv Island from the south. The environmental state of the island’s plants, landscapes, water bodies, soils and rocks was analyzed. The environmental protection objects of the territory were also characterized. Satellite images of the Earth’s surface over the past 37 years were analyzed to study modern changes in the island outline and hydrography within the Dnipro floodplain near Kyiv. Changes in the shoreline of Muromets Island were assessed. Using our field research data, cartographic schemes, space photographs and scientific publications of various years, we characterized the island’s geological environment, presented the dynamics of shoreline development, analyzed the ecological situation, and identified environmental problems. We found that the island’s environmental condition correlates with the influence of both natural and anthropogenic factors. The degree and severity of impact of the above-mentioned factors on the island’s geological environment was established. It was shown that intense changes in this territory occur due to the geological work of surface water and the work of the wind ,which are intensified by anthropogenic actions. The land shoreline has been migrating for a long time as a result of active water erosion by the Dnipro, Desna and Chartoryi (Desenka) rivers and their tributaries. New straits, peninsulas and individual small islands are formed. The results indicate significant natural dynamics of the Dnipro floodplain develop- ment, which occurs against the background of anthropogenic influence, the pressure of which is constantly increasing. The complex of anthropogenic and natural factors lead to the active development of invasive plants, eutrophication of water bodies, shoreline erosion, and significant loss of water and land resources of Muromets Island. The conclusions substantiated in the article are of general geolog- ical, ecological and practical significance. They are the beginning of environmental monitoring on this issue, expand knowledge about the peculiarities of the geological structure of Kyiv and the Dnipro floodplain, and update data on the development and ecological situation of this territory. This provides an opportunity to predict and determine the direction of development of negative environmental changes in advance, to make early decisions regarding agents of negative influence and pressure on the geological environment, and to respond in time to their localization or termination. The obtained data can also be used in the arrangement of geological and engineering works related to the preservation of the Dnipro floodplain and the shoreline of the dry land, as well as in the planning of environmental protection measures.
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Johnson, Bradford D., Marcus D. Williams, and J. Marshall Shepherd. "Urbanization and Winter Precipitation: A Case Study Analysis of Land Surface Sensitivity." Atmosphere 12, no. 7 (June 23, 2021): 805. http://dx.doi.org/10.3390/atmos12070805.

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Urban modification of precipitation regimes is well documented in the urban climate literature. Studies investigating urbanization and non-convective precipitation, specifically winter precipitation, are limited. The theoretical framework here argues that the collective influence of urbanization extends beyond traditional city limits and the surrounding rural areas and can impact regional climate in non-adjacent cities. This paper utilizes the weather research and forecasting model (WRF-ARW) to simulate a cold-season synoptic system over the Northeastern United States over a variety of urban land surface scenarios. This case study centers on the potential boundary layer urban heat island effect on the lower troposphere and its ability to impact winter precipitation type at the local to regional scales. Results show a significant reduction in temperatures near the modified surface and subtle reductions over adjacent urban areas. When surface wind speeds are less than 5 ms−1, the boundary layer heat island increases air temperatures on the order of 3–4 °C at altitudes up to 925 mb. When combined with encroaching warm air near 850 mb during transitional precipitation events, the boundary layer heat island increases the thickness of the melting layer and consequently exposes falling hydrometeors to longer melting duration and phase change. Model simulations also show regional connections through remote temperature and relative humidity changes in urban areas removed from reforested areas.
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5

Hidayah, Zainul, Agus Romadhon, and Yudha Witjarnoko. "Vulnerability Analysis of Sea Level Rise In The Southern Coast of Bawean Island." Jurnal Perikanan Universitas Gadjah Mada 20, no. 2 (January 22, 2019): 87. http://dx.doi.org/10.22146/jfs.38026.

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Bawean island is one of numerous small islands in East Java. This island is famous for its natural resources and high level of environmental services. However in the last few years, effects of sea level rises on the island have been reported. Objective of this research was to identify and determine parameters that have significant impact on the vulnerability of the island due to sea level rise events. This research was conducted from July untill September 2017. The method used for this study was a combination of spatial analysis using remote sensing and Geographical Information System (GIS), field survey and interviews with local people. Vulnerability assesment was conducted for three parameters, namely Exposure, Sensitivity and Adaptive Capacity. The results showed that the vulnerability index in the southern part of the island is 3.381. It can be classified as low vulnerability.
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6

Bektas, F., and C. Goksel. "Remote sensing and GIS integration for land cover analysis, a case study: Bozcaada Island." Water Science and Technology 51, no. 11 (June 1, 2005): 239–44. http://dx.doi.org/10.2166/wst.2005.0411.

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In this study, remote sensing and geographic information system (GIS) techniques were used in order to accomplish land cover change of Bozcaada Island, Turkey, by using multitemporal Landsat Thematic Mapper data. Digital image processing techniques were conducted for the processes of image enhancement, manipulation, registration and classification for land cover change analysis. The land cover changes between two different dates were visualized and analyzed by using Geographic Information System techniques. The results showed that remotely sensed data and GIS are effective and powerful tools for carrying out changes on land cover of the island and monitoring of its impact on the environment.
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7

Dionne, Francois, Craig Mitton, Neale Smith, and Cam Donaldson. "Evaluation of the impact of program budgeting and marginal analysis in Vancouver Island Health Authority." Journal of Health Services Research & Policy 14, no. 4 (October 2009): 234–42. http://dx.doi.org/10.1258/jhsrp.2009.008182.

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8

Stempihar, Jeffrey J., Tina Pourshams-Manzouri, Kamil E. Kaloush, and Maria Carolina Rodezno. "Porous Asphalt Pavement Temperature Effects for Urban Heat Island Analysis." Transportation Research Record: Journal of the Transportation Research Board 2293, no. 1 (January 2012): 123–30. http://dx.doi.org/10.3141/2293-15.

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Increased nighttime temperatures caused by retained heat in urban areas is a phenomenon known as the urban heat island (UHI) effect. Urbanization requires an increase in pavement surface area, which contributes to UHI as a result of unfavorable heat retention properties. In recent years, alternative pavement designs have become more common in an attempt to mitigate the environmental impacts of urbanization. Specifically, porous pavements are gaining popularity in the paving industry because of their attractive storm water mitigation and friction properties. However, little information regarding the thermal behavior of these materials is available. This paper explores the extent to which porous asphalt pavement influences pavement temperatures and investigates the impact on UHI by considering the diurnal temperature cycle. A one-dimensional pavement temperature model developed at Arizona State University was used to model surface temperatures of porous asphalt, traditional dense-graded asphalt, and portland cement concrete pavements. Scenarios included variations in pavement thickness, structure, and albedo. Thermal conductivity testing was performed on porous asphalt mixtures to obtain values for current and future analysis. In general, porous asphalt exhibited higher daytime surface temperatures than the other pavements because of the reduced thermal energy transfer from the surface to subsurface layers. However, porous asphalt showed the lowest nighttime temperatures compared with other materials with a similar or higher albedo. This trend can be attributed to the unique insulating properties of this material, which result from a high air void content. As anticipated, the outcome of this study indicated that pavement impact on UHI is a complex problem and that important interactions between influencing factors such as pavement thickness, structure, material type, and albedo must be considered.
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Peloriadi, Konstantina, Petros Iliadis, Panagiotis Boutikos, Konstantinos Atsonios, Panagiotis Grammelis, and Aristeidis Nikolopoulos. "Technoeconomic Assessment of LNG-Fueled Solid Oxide Fuel Cells in Small Island Systems: The Patmos Island Case Study." Energies 15, no. 11 (May 25, 2022): 3892. http://dx.doi.org/10.3390/en15113892.

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Liquefied natural gas (LNG) is regarded as the cleanest among fossil fuels due to its lower environmental impact. In power plants, it emits 50–60% less carbon dioxide into the atmosphere compared to regular oil or coal-fired plants. As the demand for a lower environmental footprint is increasing, fuel cells powered by LNG are starting to appear as a promising technology, especially suitable for off-grid applications, since they can supply both electricity and heating. This article presents a techno-economic assessment for an integrated system consisting of a solid oxide fuel cell (SOFC) stack and a micro gas turbine (MGT) fueled by LNG, that feeds the waste heat to a multi-effect desalination system (MED) on the Greek island of Patmos. The partial or total replacement of the diesel engines on the non-interconnected island of Patmos with SOFC systems is investigated. The optimal system implementation is analyzed through a multi-stage approach that includes dynamic computational analysis, techno-economic evaluation of different scenarios using financial analysis and literature data, and analysis of the environmental and social impact on the island. Specific economic indicators such as payback, net present value, and internal rate of return were used to verify the economic feasibility of this system. Early results indicate that the most sensitive and important design parameter in the system is fuel cell capital cost, which has a significant effect on the balance between investment cost and repayment years. The results of this study also indicate that energy production with an LNG-fueled SOFC system is a promising solution for non-interconnected Greek islands, as an intermediate carrier prior to the long-term target of a CO₂-free economy.
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Qin, Keyu, Haijun Huang, Jingya Liu, Liwen Yan, Yanxia Liu, Haibo Bi, Zehua Zhang, and Yi Zhang. "Impact Mechanism of the Ecological Vulnerability of Highly Developed Islands Based on the Bayesian Network Model—Applied to the Changshan Islands." International Journal of Environmental Research and Public Health 18, no. 8 (April 14, 2021): 4150. http://dx.doi.org/10.3390/ijerph18084150.

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Islands are one of the most sensitive interfaces between global changes and land and sea dynamic effects, with high sensitivity and low stability. Therefore, under the dynamic coupling effect of human activities and frequent natural disasters, the vulnerability of the ecological environment of islands shows the characteristics of complexity and diversity. For the protection of island ecosystems, a system for the assessment of island ecosystems and studies on the mechanism of island ecological vulnerability are highly crucial. In this study, the North and South Changshan Islands of China were selected as the study area. Considering various impact factors of island ecological vulnerability, the geographical information systems (GIS) spatial analysis, field surveys, data sampling were used to evaluate island ecological vulnerability. The Bayesian network model was used to explore the impact mechanism of ecological vulnerability. The results showed that the ecological vulnerability of the North Changshan Island is higher than that of the South Changshan Island. Among all the indicators, the proportion of net primary productivity (NPP) and the steep slope has the strongest correlation with ecological vulnerability. This study can be used as references in the relevant departments to formulate management policies and promote the sustainable development of islands and their surrounding waters
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Дисертації з теми "Environmental impact analysis McDonald Island"

1

Wong, Chi-man Crinson. "A critical appraisal of the environmental impacts of the Lantau Port and Western Harbour development /." Hong Kong : University of Hong Kong, 1995. http://sunzi.lib.hku.hk/hkuto/record.jsp?B14040189.

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Schoene, Claudia Ulrike Regina. "Assessment of the impact of a newly introduced free-ranging group of chimpanzees (Pan troglodytes schweinfurthii) on the vegetation of Ngamba Island, Lake Victoria, Uganda." Pretoria : [s.n.], 2003. http://upetd.up.ac.za/thesis/available/etd-05062005-151800.

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Young, Pui-yin Edwin. "Planning implications of airport related projects on Tsing Yi Island /." [Hong Kong : University of Hong Kong], 1992. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1335789X.

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Blandford, Nigel John. "An integrated conservation strategy for the north coast of Lantau Island." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1993. http://hub.hku.hk/bib/B31252540.

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Kong, Siu-ping. "The impacts of Western Harbour Crossing on Western District /." [Hong Kong] : University of Hong Kong, 1993. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13814163.

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6

Young, Pui-yin Edwin, and 楊沛然. "Planning implications of airport related projects on Tsing Yi Island." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1992. http://hub.hku.hk/bib/B31258104.

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7

O'Donnell, Shawn Alden. "Human-rainforest interactions in Island Southeast Asia : Holocene vegetation history in Sarawak (Malaysian Borneo) and Palawan (western Philippines)." Thesis, University of Cambridge, 2016. https://www.repository.cam.ac.uk/handle/1810/271809.

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This research employs a modern analogue approach to examine relationships between pollen, vegetation change, and land use in the tropical environments of Island Southeast Asia over the past ~5000 years. Interpretation of fossil pollen data relies upon uniformitarian principles. Few modern pollen- vegetation studies from the region exist, and those that do have focused on climatic or ecological aims. Main contributions of this study are: the collection and analysis of modern botanical data and pollen assemblages from various human-modified and ‘natural’ vegetation types; and the comparison of this modern dataset with fossil pollen sequences in order to test hypotheses relating to signatures of past land use. Some fossil assemblages showed statistical similarity with those from modern ‘cultured’ landscapes, whilst others aligned more closely with those from natural vegetation. Cores from the northern Kelabit Highlands of Sarawak, Malaysian Borneo, contain assemblages from 1700 cal BP onwards that are similar to those produced by modern arboriculture; a core from the southern Highlands contains fossil assemblages as old as 2000 cal BP that align with those from modern wet rice paddies. These ages coincide with the earliest archaeological dates from nearby sites. Earlier vegetation changes appear to relate to edaphic development and climatic fluctuations. In northern Palawan, western Philippines, the first fossil pollen sequence from the island records post-5000 cal BP marine regression, hydrological fluctuations that are likely related to ENSO cyclicities, and persistence of open landscapes with minor evidence of closed forest after 2750 cal BP. This contrasts with existing proxy data that imply increasingly closed forest through the Holocene. In a region where direct archaeobotanical evidence is sparse, and little modern pollen- vegetation work has been done, this research contributes to clarifying modes and timings of changes in subsistence-related disturbance, as well as bolstering recent interpretations from other palaeoclimatic proxies for ENSO intensification from ~4000 cal BP. These results, and those from similar future studies, can provide baseline data for long-term monitoring and conservation initiatives.
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Schoene, Claudia Ulrike Regina. "Assessment of the impact of a newly introduced free-ranging group of chimpanzees (Pan troglodytes schweinfurthii) on the vegetation of Ngamba Island, Lake Victoria in Uganda." Diss., 2004. http://hdl.handle.net/2263/24377.

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The purpose of the current research project was to undertake a thorough quantitative and qualitative survey of the vegetation on Ngamba Island. Based on the results of this survey suggestions are made for future management of the chimpanzees on the island. It was assumed that the introduction of chimpanzees onto an island that was previously not inhabited by this species would have an (to be defined) impact on the environment in general, and the vegetation cover, in particular. The woody vegetation was sampled and analysed using the varying quadrat plot method. This method gives the following results per (a) species, (b) stem growth form and (c) height class: 1. Canopy regime at different height levels; 2. Total projected canopy cover, and 3. Density. The results of the vegetation analysis showed that at this stage the forest structure on Ngamba Island still represents a healthy secondary rain forest cover. A major impact chimpanzees have on the woody vegetation cover of Ngamba Island is that they defoliate and destroy trees of all height classes. The number of mature trees that a parent tree produces per fruiting period might often be as little as < 1. Even though chimpanzees act as seed dispensers in their natural habitat the impressive number of seeds dispersed by each individual chimpanzee is therefore put into perspective by the very low final recruitment rate. Resulting from the above it is postulated that the impact of the Ngamba Island chimpanzees as seed dispersers for selected woody vegetation species is of low importance if not negligible. It is by far outweighed by the destruction caused to the secondary rain forest cover of the Island by this newly introduced species. Using different approaches and calculations to estimate the necessary home ranges for chimpanzees in a confined habitat the areas calculated range from 5-56 hectare per chimpanzee. Even though, there is an 11.2-fold difference between these estimates they indicate nevertheless, that Ngamba Island with an area of 42.40 ha of secondary rain forest cover and 16 adult and 17 juvenile chimpanzees is already highly overstocked. In summary the impact the newly introduced species of chimpanzees on Ngamba Island will have over time on the secondary rain forest cover of their forest refuge is that of continuing destruction. Using a rate of destruction of about 0.50 ha per chimpanzee per year the secondary rain forest cover of Ngamba Island will be completely destroyed in 53 years with a stocking density of 16 adult chimpanzees. Increasing stocking density – also through maturing of the juvenile chimpanzees currently present on the Island into a adulthood – will increase the rate of destruction of the woody vegetation cover of Ngamba Island proportionally.
Dissertation (MSc(Wild Life Management))--University of Pretoria, 2006.
Animal and Wildlife Sciences
unrestricted
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Книги з теми "Environmental impact analysis McDonald Island"

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(Alaska), Tongass National Forest. Etolin Island implementation analysis: Draft environmental impact statement. Alaska]: U.S. Dept. of Agriculture, Forest Service, Tongass National Forest, 1991.

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United States. Forest Service. Alaska Region. Stikine Area. Etolin Island implementation analysis: Draft environmental impact statement. [Petersburg, Alaska]: U.S. Dept. of Agriculture, Forest Service, 1991.

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3

Bureau, Montana Minerals Management. Draft environmental assessment for Seven-Up Pete Joint Venture: Application for an exploration license for exploration activity at McDonald Meadows and Keep Cool Project areas. Helena, Mont: The Dept.?, 1992.

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4

Montana. Department of State Lands. Lands Division. Decision notice and finding of no significant impact for McDonald and Keep Cool Exploration Project, Seven-Up Pete Joint Venture, Lewis and Clark County, Montana. Helena, Mont: The Division, 1992.

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5

Bureau, Montana Minerals Management. Final environmental assessment for Seven-Up Pete Joint Venture: Application for an exploration license for exploration activity at the McDonald and Keep Cool Project areas. Helena, Mont: The Dept.?, 1992.

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6

United States. Forest Service. Alaska Region. Gravina Island timber sale: Draft environmental impact statement. Ketchikan, AK (3031 Tongass Ave., Ketchikan 99901): USDA Forest Service, Tongass National Forest, Ketchikan/Misty Fiords Ranger District, 2001.

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7

Bissell, Gael. Draft environmental analysis (ea) for the Morris Island purchase. Kalispell, MT: Montana Fish, Wildlife & Parks, 1997.

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8

Canada. Library of Parliament, Science and Technology Division. The P.E.I. fixed link project. Ottawa: Library of Parliament, 1988.

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9

Coles Associates (Charlottetown, P.E.I.). Environmental impact study of ecological concerns Gulf Shore Parkway realignment Prince Edward Island National Park. Charlottetown, P.E.I: Coles Associates, 1986.

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10

Sergy, Gary A. The Baffin Island Oil Spill Project. Edmonton, Alta: Environment Canada, 1986.

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Частини книг з теми "Environmental impact analysis McDonald Island"

1

Lagadec, P. "Canvey Island: The Dynamics of a Major Technological Risk Assessment." In Environmental Impact Assessment, Technology Assessment, and Risk Analysis, 953–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-70634-9_34.

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2

Mendez-Guardado, Pedro. "Analysis of the Environmental Impact Caused by Introduced Animals in the Clarion Island, Archipelago of Revillagigedo, Colima, Mexico." In Advances in Global Change Research, 323–29. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/0-306-48051-4_31.

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3

Farmaki, Eleni, Maria Aryblia, Stavroula Tournaki, and Theocharis Tsoutsos. "Assessing Sustainable Urban Mobility Policies in the Mediterranean Tourism Destinations Through Multi-Criteria Decision-Making Models." In Sustainable Mobility for Island Destinations, 19–37. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73715-3_2.

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AbstractThis chapter presents the assessment of 11 sustainable urban mobility measures according to 10 criteria for European medium-sized touristic cities, using multi-criteria decision-making. The study includes the viewpoint of six different European stakeholder groups, identifying their interests and comparing their ranking on appropriate mobility measures. It was found that the majority of stakeholders give the highest priority to the wellbeing of local communities and the quality of life, despite the economic implications of services and the potential impact on incoming tourism. Mostly they emphasise on at least two out of five criteria categories: Society and Environment or Society and Mobility. Tourism stakeholders showed a high preference for environmental criteria, demonstrating the continuously raising awareness on the links of tourism and environment. “Mobility management and travel plans” policy was the most popular policy amongst all groups, indicating that the provision of information, personalised plans, and smart applications can increase the use of sustainable mobility modes and have a significant positive impact in all examined categories. Overall, the multi-criteria analysis performed in this study can be a valuable tool for decision-makers during the shaping of future policies for sustainable mobility in urban tourist destinations, considering numerous parameters and stakeholders’ viewpoints. Moreover, it can be further developed and adapted to specific needs.
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Тези доповідей конференцій з теми "Environmental impact analysis McDonald Island"

1

Huisman, Otto, and Arash Gharibi. "Change Detection Within Pipeline ROWs: Environmental Change Analysis Using High Resolution Satellite Imagery." In ASME 2015 International Pipeline Geotechnical Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ipg2015-8526.

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One of the major concerns for pipeline operators is to efficiently monitor the events happening over the pipeline corridor, or right-of-way (ROW). Monitoring of the ROW is an important part of ensuring the safe and efficient transportation of oil and gas. Events occurring within this zone require rapid assessment and, if necessary, mitigation. These events could be physical intrusions such as encroachment from growing settlements, impact of vegetation, pipeline leakage or geo-environmental hazards. Analysis of satellite imagery can provide an efficient and low cost solution to access and quantify change across the ROW. Examining these events over a periodic interval requires implementation of specific methods that can support the on-going monitoring and decision making practices. In this context, satellite remote sensing images can provide a low cost and efficient solution for monitoring the physical and environmental impacts over the ROW of pipeline system. This paper reports on the development of a methodological approach for environmental change analysis using high resolution satellite images that can help decision making in pipeline systems. Analysis results and maps produced during this work provide an insight into landcover change over the study area and expected to support in on-going pipeline management practices. Two methods, Vegetation index differencing and post classification comparison have been implemented to identify change areas in the Taranaki region of the North Island of New Zealand. Vegetation index differencing with NDVI shows increase or decrease of overall vegetation within the study area. Special focus was given on large area increase and decrease with area threshold value above 0.2 hectare. Detailed analysis of change was conducted with post classification comparison method that uses land cover classification results of year 2010 and 2013. An overall change of 10% has been observed throughout the study area with large area change of approximately 5%. Results obtained from post classification comparison method were further analyzed with 6 focus areas and compared with the existing soil data and rainfall data. The methods adopted during this study are expected to provide a base for environmental change analysis in similar pipeline corridors to support decision making.
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Zhang, Huisheng, Di Huang, Zhenhua Lu, and Ming Su. "Thermodynamic Analysis and Optimization for an IGCC Power Plant." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25837.

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IGCC system has been revealed to be a very attractive power generation system based on coal, promising highly efficient electricity generation and very low environmental impact. The integration of gasifier and power island will be a system engineering. This paper will investigate the influence of IGCC system configuration on system performance. Especially the exhaust heat utilization of syngas from gasifier will be discussed in detail. As the example, one E class gas turbine will be utilized as the core subsystem, the gasifier and HRSG system will be matched. A steady state thermodynamic model for IGCC system is developed on IPSEpro simulation platform and applied to a performance analysis. The characteristics under off-design and design condition for IGCC system were also analyzed.
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Fellingham, Lorimer, and Timothy K. Manners. "Assessment of the Recoverability of Dumped Spent Fuel in the Kara Sea." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4864.

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Sixteen reactor units, six of which plus a special container retain spent fuel, have been dumped by the Russian Federation in the Kara Sea off the island of Novaya Zemlya. The total radioactive inventory is of ∼4.2 × 1015 Bq. There has been widespread concern over their safety and current and future impacts on the local environment. This paper assesses the options for the recovery and permanent management of the spent nuclear fuel (SNF). The study was undertaken as part of the European Commission’s TACIS Programme to improve the safety of radioactive waste management in the north-west region of Russia [1]. It involved reviewing existing studies into the radiological situation in Arctic waters; identifying the key factors affecting potential recovery; determining and assessing potential options and recommending the preferred strategy. Two basic choices exist for the dumped reactors and fuel: 1. Leave dumped in the sea; 2. Salvage to land and treat/dispose. In total 11 options were identified and evaluated. Three were variants of 1), i.e. leave unchanged, improve the containment, and partially raise and redump in deeper waters. The remainder involved combinations of salvage of reactor compartments or only the reactor pressure vessels, followed by direct disposal on land of the reactor with or without the spent fuel and reprocessing or direct burial of any extracted fuel. The first stage of the assessment included preparation for each option of engineering cost and net present value (NPV) estimates; a cost benefit analysis based on the cost-of-dose saving using the ALARP principle; a Strengths, Weaknesses, Opportunities and Risks (SWOR) analysis and the generation of a detailed Environmental Aspect register, including a semi-quantitative Environmental Risk Assessment. The risk assessment methodology was based on a risk matrix, which compared environmental consequence with likely frequency to determine the significance of the impacts. The risk matrix was developed from established systems used for safety risk assessment of industrial, nuclear and chemical hazards. A scoring system was developed to cover factors that could affect decision-making. It included: i) Radiological impact to man. ii) Environmental impact assessment. iii) Ease of disposal. iv) Regulatory pressure. v) Technical feasibility. vi) Integrity of containment. vii) Up-front capital cost. viii) Discounted total cost. ix) Cost Benefit with ALARP. x) International will. xi) Risk from terrorist intrusion. xii) Public acceptability. The scoring system was subject to weighting to put priority on the most important issues. A sensitivity assessment was used to ensure the selection system was robust. Finally, the Best Practicable Environmental Option (BPEO) for the dumped SNF was determined. The study concludes that it is technically feasible to recover the reactors and spent fuel. However, the cost will be a minimum of £50M. The radiological consequences of leaving the reactors and fuel in their present location are very small. Thus the benefits of recovery are not justifiable. The overall conclusion is that a continuation of the current strategy is the preferred management option.
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Xu, Xiaoxiao, Xuexin Wang, Jiangang Zhang, Chaoduan Li, Gao Fan, Rongyao Tang, Lian Cao, and Bing Wen. "Research for Crossing Strait Transportation Accident of Nuclear Fuel Assemblies." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-15253.

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Hainan nuclear power plant (HNPP) is the first nuclear power plant built on China’s Hainan Island. Therefore the nuclear fuel assemblies must transport through the Qiongzhou Strait. There are two transportation plans to be used in crossing strait transportation of the fuel assemblies. One plan is railway ferry stretching across sea; the other is road vehicular crossing strait on roll-on/roll-off (Ro/Ro) ships. According to crossing strait transportation scenario and statistical analysis of sea transport accidents in Qiongzhou Strait, three ferrying transportation accidents are considered in this paper. Through research of ship-to-ship collision, fire and sunk, the following conclusions: Collision, fire or foundered are not caused by the leakage of radioactive material, the environmental impact is very small. The accident hazards of crossing strait transportation does not lie in the radiological consequences, but in the effects of public psychology and international repercussions.
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Balaguer-Da´tiz, Giselle, and Nikhil Krishnan. "Life Cycle Comparison of Two Options for MSW Management in Puerto Rico: Thermal Treatment vs. Modern Landfilling." In 16th Annual North American Waste-to-Energy Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/nawtec16-1928.

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The management of municipal solid wastes (MSW) in Puerto Rico is becoming increasingly challenging. In recent years, several of the older landfills have closed due to lack of compliance with federal landfill requirements. Puerto Rico is an island community and there is limited space for construction of new landfills. Furthermore, Puerto Rico residents generate more waste per capita than people living on the continental US. Thermal treatment, or waste to energy (WTE) technologies are therefore a promising option for MSW management. It is critical to consider environmental impacts when making decisions related to MSW management. In this paper we quantify and compare the environmental implications of thermal treatment of MSW with modern landfilling for Puerto Rico from a life cycle perspective. The Caguas municipality is currently considering developing a thermal treatment plant. We compare this to an expansion of a landfill site in the Humacao municipality, which currently receives waste from Caguas. The scope of our analysis includes a broad suite of activities associated with management of MSW. We include: (i) the transportation of MSW; (ii) the impacts of managing waste (e.g., landfill gas emissions and potential aqueous run-off with landfills; air emissions of metals, dioxins and greenhouse gases) and (iii) the implications of energy and materials offsets from the waste management process (e.g., conversion of landfill gas to electricity, electricity produced in thermal treatment, and materials recovered from thermal treatment ash). We developed life cycle inventory models for different waste management processes, incorporating information from a wide range of sources — including peer reviewed life cycle inventory databases, the body of literature on environmental impact of waste management, and site-specific factors for Puerto Rico (e.g. waste composition, rainfall patterns, electricity mix). We managed uncertainty in data and models by constructing different scenarios for both technologies based on realistic ranges of emission factors. The results show that thermal treatment of the unrecyclable part of the waste stream is the preferred option for waste management when compared to modern landfilling. Furthermore, Eco-indicator 99 method is used to investigate the human health, ecosystem quality and resource use impact categories.
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Shi, Yanming, and Zhenying Wang. "Study on Reactor Vessel Water Level Measurement Method for Emergency Decision-Making of Nuclear Power Plant." In 2022 29th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/icone29-92804.

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Abstract After a nuclear accident, the nuclear power plant will monitor and analyze the unit status, environmental characteristics and accident process, determine the emergency state classification under the nuclear accident conditions, and respond to the emergency state hierarchically, to reduce the impact of the accident and ensure the safety of personnel. For determining emergency state classification of nuclear power plant cold shutdown and refueling shutdown operation mode, reactor vessel water level is an important basis for judging. The Three Mile Island nuclear accident made the industry realize the necessity of monitoring the primary water load, especially the water level in the Reactor vessel. Reactor vessel water level provides an essential basis for monitoring the core cooling state after an accident, to ensure that the core cooling state can be diagnosed correctly in time, accurately and conveniently, thus providing a criterion for determining the emergency state level, and then selecting the appropriate accident operation strategy. Based on the demand analysis of emergency state classification based on reactor vessel water level, combined with the current situation of reactor vessel measurement in Reactor vessel and the setting of peripheral dose rate monitoring channels, this paper supplements the water level measurement method under potential water loss conditions, realizes the full-range measurement of Validity water level in Reactor vessel, evaluates Validity water level Validity in Validity, and then efficiently determines the emergency state classification, providing Validity basis for emergency response.
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Звіти організацій з теми "Environmental impact analysis McDonald Island"

1

PARSONS ENGINEERING SCIENCES INC PASADENA CA. Environmental Impact Analysis Process. Environmental Assessment Air Force Small Launch Vehicle, Vandenberg Air Force Base, Edwards Air Force Base, and San Nicolas Island, CA. Fort Belvoir, VA: Defense Technical Information Center, May 1991. http://dx.doi.org/10.21236/ada413142.

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