Coastal Sea Levels, Impacts, and Adaptation

Wahl, Thomas; Brown, Sally; Haigh, Ivan D.; Nilsen, Jan Even Øie

doi:10.3390/jmse6010019

Cited by 17 publications

(14 citation statements)

References 22 publications

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“…The significance of impacts is highly variable and depends on detailed site characteristics and the magnitude, duration, and frequency of the sea‐level extreme. Impacts can arise from both particularly strong storms, as well as indirect and cumulative effects of lesser‐extreme high tide flooding (Sweet et al, 2018; Wahl et al, 2018).…”

Section: Contributions From High‐frequency Water Level Variabilitymentioning

confidence: 99%

Understanding of Contemporary Regional Sea‐Level Change and the Implications for the Future

Hamlington

Gardner

Ivins

et al. 2020

Reviews of Geophysics

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Global sea level provides an important indicator of the state of the warming climate, but changes in regional sea level are most relevant for coastal communities around the world. With improvements to the sea‐level observing system, the knowledge of regional sea‐level change has advanced dramatically in recent years. Satellite measurements coupled with in situ observations have allowed for comprehensive study and improved understanding of the diverse set of drivers that lead to variations in sea level in space and time. Despite the advances, gaps in the understanding of contemporary sea‐level change remain and inhibit the ability to predict how the relevant processes may lead to future change. These gaps arise in part due to the complexity of the linkages between the drivers of sea‐level change. Here we review the individual processes which lead to sea‐level change and then describe how they combine and vary regionally. The intent of the paper is to provide an overview of the current state of understanding of the processes that cause regional sea‐level change and to identify and discuss limitations and uncertainty in our understanding of these processes. Areas where the lack of understanding or gaps in knowledge inhibit the ability to provide the needed information for comprehensive planning efforts are of particular focus. Finally, a goal of this paper is to highlight the role of the expanded sea‐level observation network—particularly as related to satellite observations—in the improved scientific understanding of the contributors to regional sea‐level change.

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Section: Contributions From High‐frequency Water Level Variabilitymentioning

confidence: 99%

Understanding of Contemporary Regional Sea‐Level Change and the Implications for the Future

Hamlington

Gardner

Ivins

et al. 2020

Reviews of Geophysics

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“…The risk of flooding and erosion is increasing for many coastal areas due to a cumulative effect of global climate changes, frequent storm surges, sea level rise and intensified anthropogenic impact [1][2][3][4][5][6][7][8]. These areas, with their naturally established coastal dunes, perform important ecosystem services such as protection against storm waves, storm surges, and high tides [9].…”

Section: Introductionmentioning

confidence: 99%

Tall Wheatgrass (Thinopyrum ponticum): Flood Resilience, Growth Response to Sea Water Immersion, and Its Capacity for Erosion and Flooding Control of Coastal Areas

Vergiev

2019

Environments

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Integrated coastal zone management proposes nature-based mitigation strategies based on the replacement of artificial coastal stabilization and protection structures with dunes stabilized with plant species. These psammophytes stabilize sands and act as supporters, increasing dunes’ ability to reduce storm damages and effectively minimize erosion with minimal negative impacts to natural ecosystems. That is why searching for native salt-tolerant plants with extensive root systems and studying their capacity for erosion and flooding control is fundamental to the practice of ecologically-sound ecosystem services. The aim of the present study is to define the effects of flooding stress on a number of wheatgrass (Thinopyrum ponticum) plant life aspects (survival ability, viability, and growth response) in order to determine wheatgrass’s capacity as dune stabilizer. Conducted experiments established that T. ponticum was very tolerant to immersion impact and salt and oxygen deficiency stress, and its rhizomes were able to regenerate after 30 days in seawater. The temporal expression of its survival is presented as critical decomposition time (CDT) by linking the maximum duration of floods along the Bulgarian Black Sea Coast and the resilience of tall wheatgrass in flooding simulations. A statistical analysis of the experimental data demonstrated that immersion in sea water increases rhizome viability, biomass, and allocation to root biomass, whereas other factors, such as the duration of immersion, salinity, and temperatures of sea water have no significant effect. According to flood resilience and growth response to sea water submergence, T. ponticum demonstrated high potential to be a dune stabilizer.

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“…Recognising SLR as the main CC driver in coastal areas has resulted in improved regional projections (e.g., Slangen et al, 2014;Carson et al, 2016), improved consideration of uncertainty (e.g., Perrette et al, 2013;Kopp et al, 2014;Stammer et al, 2019) and improved communication with stakeholders and decision makers (e.g., Nerlich et al, 2010;Wahl et al, 2018). However, the science of waves, storm surges and river discharge lags behind SLR's and their projections have not yet been fully incorporated into risk assessments, neglecting relevant coastal impacts drivers.…”

Section: Identifying and Addressing Climate Hazards And Driversmentioning

confidence: 99%

Addressing the challenges of climate change risks and adaptation in coastal areas: A review

Toimil

Losada

Nicholls

et al. 2020

Coastal Engineering

132

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Coastal Sea Levels, Impacts, and Adaptation

Abstract: Sea-level rise (SLR) poses a great threat to approximately 10% of the world’s population residing in low-elevation coastal zones (i.e., land located up to 10 m of present-day mean sea-level (MSL))[...]

Cited by 17 publications

References 22 publications

Understanding of Contemporary Regional Sea‐Level Change and the Implications for the Future

Understanding of Contemporary Regional Sea‐Level Change and the Implications for the Future

Tall Wheatgrass (Thinopyrum ponticum): Flood Resilience, Growth Response to Sea Water Immersion, and Its Capacity for Erosion and Flooding Control of Coastal Areas

Addressing the challenges of climate change risks and adaptation in coastal areas: A review

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