Analysis of Lidar Elevation Data for Improved Identification and Delineation of Lands Vulnerable to Sea-Level Rise

Gesch, Dean B.

doi:10.2112/si53-006.1

Cited by 206 publications

(192 citation statements)

References 23 publications

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“…bathtub) along profile lines could work in areas were the back barrier topography increases monotonically landwards. In low-lying areas, like the RER coastline, the bathtub approach leads to the overestimation of the flooding extension, as claimed by Gesch (2009), Murdukhayeva et al (2013 and Perini et al (2016). It is suggested to use bi-dimensional flood maps for CRAF Phase 1, whenever they are available.…”

Section: Discussionmentioning

confidence: 99%

Validation of the coastal storm risk assessment framework along the Emilia-Romagna coast

Armaroli

Duo

2018

Coastal Engineering

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A B S T R A C TThe Italian coasts are threatened by coastal flooding and erosion. The Emilia-Romagna region coastline is exposed to marine storms because of its low-lying nature and massive urbanization. Regional managers need comprehensive tools for coastal storm risk assessment. The RISC-KIT Coastal Risk Assessment Framework (CRAF) provides a conceptual framework, which includes hazard, exposure and vulnerability evaluation, to implement a screening process able to identify littoral zones that can be classified as hotspots (Phase 1) and to successively rank the identified hotspots to select the most critical ones (Phase 2). This study includes the results of the implementation of CRAF Phase 1 in the Emilia-Romagna coast. The method is based on a Coastal Index approach, calculated for 1 km length coastal sectors, applied taking into account both hazard and exposure indicators. The general methodology was partly modified thanks to the strong collaboration with the End-User (Servizio Geologico Sismico e dei Suoli, SGSS) which provided data, suggestions and comments at every step of the implementation. The SGSS also provided data to validate the outcomes of the CRAF methodology. Thus, the critical areas identified by the CRAF were compared with historical (1946-2010) storm impacts, resulting in a reasonable agreement between the identified hotspots.

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Section: Discussionmentioning

confidence: 99%

Validation of the coastal storm risk assessment framework along the Emilia-Romagna coast

Armaroli

Duo

2018

Coastal Engineering

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“…These global analyses depend on elevation data with multimeter rms vertical errors that consistently overestimate elevation and thus underestimate submergence risk (14). Here we explore the challenges posed under different scenarios by long-term SLR in the United States, where highly accurate elevation and population data permit robust exposure assessments (15,16).…”

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confidence: 99%

Carbon choices determine US cities committed to futures below sea level

Strauss

Kulp

Levermann

2015

Proc. Natl. Acad. Sci. U.S.A.

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Anthropogenic carbon emissions lock in long-term sea-level rise that greatly exceeds projections for this century, posing profound challenges for coastal development and cultural legacies. Analysis based on previously published relationships linking emissions to warming and warming to rise indicates that unabated carbon emissions up to the year 2100 would commit an eventual global sea-level rise of 4.3-9.9 m. Based on detailed topographic and population data, local high tide lines, and regional long-term sea-level commitment for different carbon emissions and ice sheet stability scenarios, we compute the current population living on endangered land at municipal, state, and national levels within the United States. For unabated climate change, we find that land that is home to more than 20 million people is implicated and is widely distributed among different states and coasts. The total area includes 1,185-1,825 municipalities where land that is home to more than half of the current population would be affected, among them at least 21 cities exceeding 100,000 residents. Under aggressive carbon cuts, more than half of these municipalities would avoid this commitment if the West Antarctic Ice Sheet remains stable. Similarly, more than half of the US population-weighted area under threat could be spared. We provide lists of implicated cities and state populations for different emissions scenarios and with and without a certain collapse of the West Antarctic Ice Sheet. Although past anthropogenic emissions already have caused sea-level commitment that will force coastal cities to adapt, future emissions will determine which areas we can continue to occupy or may have to abandon.climate change | climate impacts | sea-level rise M ost studies on the projected impacts of anthropogenic climate change have focused on the 21st century (1). However, substantial research indicates that contemporary carbon emissions, even if stopped abruptly, will sustain or nearly sustain near-term temperature increases for millennia because of the long residence time of carbon dioxide in the atmosphere and inertia in the climate system, e.g., the slow exchange of heat between ocean and atmosphere (2-5). Earth system and carboncycle feedbacks such as the release of carbon from thawing permafrost or vegetation changes affecting terrestrial carbon storage or albedo may further extend and possibly amplify warming (6).Paleontological records indicate that global mean sea level is highly sensitive to temperature (7) and that ice sheets, the most important contributors to large-magnitude sea-level change, can respond to warming on century time scales (8), while models suggest ice sheets require millennia to approach equilibrium (9). Accordingly, sustained temperature increases from current emissions are expected to translate to long-term sea-level rise (SLR). Through modeling and with support from paleontological data, Levermann et al. (10) found a roughly linear global mean sealevel increase of 2.3 m per 1°C warming within a time-envelope of th...

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“…Entre os impactos negativos, prevê-se o confinamento da biota, que não encontrará espaço para migração devido a supressão de ecossistemas costeiros. Nas áreas urbanas, poderá ocorrer invasão dos aquíferos de água doce por água salgada; interferências na macrodrenagem de águas interiores, provocando; e interferência nas redes de abastecimento de água e de saneamento básico (GESCH, 2009;KOPP, et al, 2014).…”

Section: Mudanças Climáticas E Ambientes Urbanos Costeirosunclassified

Mangues, Cidades E Mudanças Climáticas: A Importância Dos Ecossistemas Costeiros Para as Cidades De Itajaí E Joinville (Sc) Diante Dos Prognósticos Da Elevação Do Nível Do Mar

Braum¹,

Hodecker-Dietrich²,

Aumond³

2017

Planejamento E Gestão Territorial: Gestão Integrada Do Território

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Analysis of Lidar Elevation Data for Improved Identification and Delineation of Lands Vulnerable to Sea-Level Rise

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 206 publications

References 23 publications

Validation of the coastal storm risk assessment framework along the Emilia-Romagna coast

Validation of the coastal storm risk assessment framework along the Emilia-Romagna coast

Carbon choices determine US cities committed to futures below sea level

Mangues, Cidades E Mudanças Climáticas: A Importância Dos Ecossistemas Costeiros Para as Cidades De Itajaí E Joinville (Sc) Diante Dos Prognósticos Da Elevação Do Nível Do Mar

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