Coastal Erosion: Evaluating the Risk

Dunn, S. M.; Friedman, Robert; Baish, Sarah K.

doi:10.1080/00139150009605749

Cited by 9 publications

(4 citation statements)

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“…This conclusion achieves the overarching goal of the research. The current study is in line with the findings of other researchers such as Mouat, Lozano, & Bateson (2010) and Dunn, Friedman, & Baish (2000).…”

Section: Discussionsupporting

confidence: 93%

Spatio-Temporal Shoreline Movement of the Afram River in Ghana: The Application of Endpoint Rate and Net Shoreline Movement

Isaac,

Boahen,

Dadson

2023

JoSS

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Shoreline change is a severe threat to life and property in wetland regions. Shoreline change analysis is critical for integrated wetland zone management and is accomplished through the field and aerial surveys. The Afram River is a significant source of water, food, and economic activity for Kwahu and its neighbouring communities and a form of funds for the residents. The shoreline, nevertheless, has been transforming because of erosion and accretion. This study examined a low-cost innovative approach using space-based peripheral visuals and metrics. Transects and data analysis for the riverbank were created using the Digital Shoreline Analysis System (DSAS) in the Spatial database. The study employed Landsat images from three historical years (2001, 2015 and 2022) across 22 years. End Point Rate (EPR) and Net Shoreline Movement (NSM) statistics in DSAS were used to determine the extent of change. Questionnaires and key informant interviews were administered to farmers, boat operators, fishermen, and older residents to learn more about the factors responsible for changes in shoreline position. According to the study, 24% of the shoreline erodes at a section, while 86% is stable. The survey's mean erosion rate is -0.24 m/yr, whereas the average accretion proportion is 27 m/yr. The ramifications of the Afram River channel change have affected the socio-economic livelihoods, including out-migration, farm loss and displacement of settlement. As a result, all organisations and participants responsible for these riverbanks should work together to prevent further damage and erosion of the shoreline line and its marine life and resources.

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Section: Discussionsupporting

confidence: 93%

Spatio-Temporal Shoreline Movement of the Afram River in Ghana: The Application of Endpoint Rate and Net Shoreline Movement

Isaac,

Boahen,

Dadson

2023

JoSS

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“…The difficulty of protecting both property and ecosystem function from erosion has been well demonstrated (Boruff, Emrich, and Cutter 2005;Dunn, Friedman, and Baish 2000;Finkl, Benedet, and Campbell 2006;Keeler, Kriesel, and Landry 2003). The construction of seawalls and armoring of the shoreline has proved successful in protecting property and property values in the past, but has resulted in the loss of beaches and wetlands due to coastal squeeze (Good 1994;Good, Weber, and Charland 1999).…”

Section: Impacts On Propertymentioning

confidence: 95%

“…Many questions have been raised about who should pay for shoreline protection initiatives (Dunn, Friedman, and Baish 2000). Some studies present evidence suggesting that although beaches are valuable resources for entire states, local resort communities should provide a large percentage of the necessary funding needed for protection in order to fairly distribute the costs and benefits.…”

Section: Impacts On Propertymentioning

confidence: 98%

The Human Dimension of Changing Shorelines Along the U.S. North Atlantic Coast

Paterson¹,

Loomis²,

Young³

2014

Coastal Management

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Shoreline change has serious implications for coastal communities and policymakers at all levels of government. The purpose of this study was to examine existing knowledge on the social effects of erosion and accretion along the North Atlantic Coast. Initially, a comprehensive annotated bibliography of peer-reviewed literature was undertaken from which trends and themes were identified. A gap analysis matrix was developed using social variables and measurable parameters. Findings showed that overall, the quantity, breadth, and depth of literature were limited, and neglected the interdisciplinary perspective necessary to understand the social implications of shoreline change.

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“…Though the loss of valuable assets, such as the coastal resources, is well documented, this is not the case with the consequent, indirect or second order losses in economic values that this process entails. Efforts to highlight the economic or value side of the process of coastal change are scattered in a number of reports and studies addressing predominantly North American and to a lesser extend European and Third World coastal resources (David et al 1999, Spurgeon, 1999, Dunn et al 2000, Ledoux and Turner 2002. In a recent meta-review of economic valuation studies of coastal wetlands, Brander et al (2003) observed a wide range in estimated values, with GDP being the most important factor to explain the variance in the data set.…”

Section: Facts and Values In Sustainable Coastal Managementmentioning

confidence: 99%

Valuing Coastal Systems

Skourtos¹,

Kontogianni²,

Georgiou³

et al.

Managing European Coasts

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Integrated coastal zone management involves an assessment of development needs and economic inequality, pressures from population growth and mass tourism as well as social and cultural conflicts. In this context, economic valuation of coastal functions that provide goods and services is an important tool. Its applications and caveats are reviewed. Published value estimates range widely (i.e. 0.05-200,000 US$ ha -1 y -1 ) depending on function valued, method used and local welfare (f.x. expressed as GDP). An argument is made that, despite this variation and despite imperfect knowledge of ecosystem complexity, societal preferences or the 'real value' of nature, decisions on coastal development will be made and thus be helped best by the rational provision of scientific knowledge, from both natural sciences and socio-economics. A mixed methodological approach is therefore suggested to be most useful in practical, and multidisciplinary, situations. Three cases are presented of European valuation exercises at different spatial scales on the coast.

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Coastal Erosion: Evaluating the Risk

Cited by 9 publications

References 0 publications

Spatio-Temporal Shoreline Movement of the Afram River in Ghana: The Application of Endpoint Rate and Net Shoreline Movement

Spatio-Temporal Shoreline Movement of the Afram River in Ghana: The Application of Endpoint Rate and Net Shoreline Movement

The Human Dimension of Changing Shorelines Along the U.S. North Atlantic Coast

Valuing Coastal Systems

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