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نتیجه جستجو - Beach nourishment

تعداد مقالات یافته شده: 3
ردیف عنوان نوع
1 Non-market valuation of beach quality: Using spatial hedonic price modeling in Hilton Head Island, SC
ارزیابی غیر بازاری از کیفیت ساحل: استفاده از مدل سازی قیمت هیدونیک فضایی در جزیره هیلتون SC-2020
Climate change has been impacting beach quality negatively for years. The gradual increase in sea level has been slowly diminishing the Atlantic coastline by eroding beaches and worsening coastal flooding. Narrowing beach width, one of the most important attributes of beach quality, has been a major concern for policy makers, local residents and visitors as lower beach quality has environmental and economic consequences. Filling the beaches with sand under beach replenishment projects has been widely used to treat this problem. The purpose of this paper is to estimate the economic value of beach width using the past residential property prices in Hilton Head Island, SC. Spatial error hedonic price method was adopted to account for spatial dependency among error terms. The results of this study show that beach width has significant influence on the values of neighboring properties that are located within 633 feet of the shoreline. An additional foot of beach width would add as much as $3,012 to the value of an oceanfront residential property. Without an accurate estimation of the economic value of beach width, cost-benefit analyses of beach nourishment and other shoreline management projects would be incomplete.
Keywords: Hedonic price method | Beach width | Beach replenishment | Beach nourishment | Spatial error model
مقاله انگلیسی
2 Evaluating erosion management strategies in Waikiki, Hawaii
ارزیابی استراتژی های مدیریت فرسایش در Waikiki ، هاوایی-2020
Waikiki is an internationally recognized tourist destination and a major source of economic activity in Hawaii. Erosion is a constant threat to Waikiki’s beaches and coastal properties. This applied study presents an assessment and comparison of three erosion management approaches – beach nourishment, armoring and managed retreat – in the context of Waikiki. A geographic information system (GIS) is used to project erosion rates to 2050 and 2100, while approximating effects of sea level rise (SLR). The spatial extent of erosion and costs of each management approach are estimated. Suitability of each approach is evaluated based on management impacts to economy, environment, recreation, storm protection, and resources. This framework provides a comparative analysis that can be replicated in similar settings. The findings indicate that nourishment may be a beneficial and economical approach to manage erosion in this densely developed, economically significant beach setting. Nourishment costs are on the same order of magnitude as armoring, while retreat costs are an order of magnitude higher. The larger indirect impacts and economic losses associated with armoring (beach loss) and retreat (property loss) make nourishment the least impactful option for addressing erosion in Waikiki. As the projections and understanding of climate change impacts improve, solutions may evolve. Nourishment may provide a noregrets, suitable approach for managing erosion in Waikiki until other solutions emerge. This paper presents opportunities and implications of nourishment for planning and future research in Waikiki.
Keywords: Coastal erosion | Erosion management | Coastal planning | Sea level rise
مقاله انگلیسی
3 Public perceptions of beach nourishment and conflict management strategies: A case study of Portonovo Bay in the Adriatic Italian Coast
درک عمومی از تغذیه ساحلی و استراتژی های مدیریت تعارض: مطالعه موردی از خلیج Portonovo در ساحل ایتالیایی دریای آدریاتیک-2016
Conflicting interests, goals, and value often shape the stakeholders’ positions concerning coastal erosion management strategies. Analyses of stakeholders’ perceptions of beach nourishment and conflict management strategies are lacking. Since the involvement of key stakeholders is crucial to ensure successful integrated coastal management, the aim of the current study was to investigate the stakeholders’ perceptions of beach nourishment and conflict management strategies in the community of the Portonovo Bay in the Adriatic Italian coast. During 2013, detailed, semi-structured interviews were conducted with members of the community and stakeholders regarding beach nourishment and related conflict management strategies at Portonovo Bay. The results revealed that respondents not only reported different perceptions, values, and interests but also their main goals were dissimilar. We found polarized opinions concerning antagonistic value systems shared by the participants, which were associated with quite opposed perceptions of existence and severity of the problem and efficacy and harmfulness of beach nourishment. The perceptions of the respondents were categorized into two major categories that reflect two of the philosophical views of the human-environment relationship: ecocentrism versus anthropocentrism. Four categories of proposed conflict resolution strategies were identified: (a) information, (b) dialogue and contact, (c) compromise, and (d) no solution. The adoption of a participatory approach and the implementation of conflict management skills and technique can be considered important elements of coastal management.
Keywords: Beach nourishment | Conflict management strategies | Ecocentrism | Anthropocentrism | Coastal protection | Nature protection
مقاله انگلیسی
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