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  1. Article ; Online: Nature-Based Solutions in Coastal and Estuarine Areas of Europe

    Roberta P. L. Moraes / Borja G. Reguero / Inés Mazarrasa / Max Ricker / José A. Juanes

    Frontiers in Environmental Science, Vol

    2022  Volume 10

    Abstract: Momentum for sustainable and climate resilience solutions for coastal protection are growing globally given the pressing need to prevent further loss of biodiversity and ecosystems while meeting the climate change adaptation and mitigation goals. Nature- ... ...

    Abstract Momentum for sustainable and climate resilience solutions for coastal protection are growing globally given the pressing need to prevent further loss of biodiversity and ecosystems while meeting the climate change adaptation and mitigation goals. Nature-Based Solutions (NbS) represent an opportunity to align environmental and resilience goals, at a time of strained budgets in a global context and when short-term needs may run counter to long-term goals. In Europe, NbS fit the mandates of major EU environmental and climate change policies by restoring biodiversity and enhancing climate-resilience and carbon sequestration. Previous studies have compiled scientific evidence about hydro-meteorological hazards for the use of NbS. However, their implementation at scale is still lacking. As the knowledge and experience with NbS for adaptation to natural hazards and climate change increases, it becomes more important to draw lessons learned and insights for replicating and scaling up NbS, especially in coastal areas where their implementation is still limited compared to other environments. This study analyzed NbS case studies across European coastal and estuarine areas to draw key lessons, understand better the current status of implementation, and identify key challenges and gaps. From a total of 59 NbS case studies associated with flooding, erosion and biodiversity loss, results show an increase in NbS implementation since 1990s, but most rapidly between 2005 and 2015. Most of the case studies are hybrid solutions employing wetlands, predominantly located in the United Kingdom (UK) and the Netherlands. Funding of NbS is largely from public sources, and rarely come from a single or a private source. Three-quarters of the case studies reported monitoring activities, but more than half did not disclose quantitative results related to effectiveness against flooding and/or erosion. The need to improve coastal defenses was indicated as the main motivation for NbS implementation over traditional structures, while ...
    Keywords nature-based solutions ; coastal ; estuarine ; climate adaptation ; coastal protection ; sustainability ; Environmental sciences ; GE1-350
    Subject code 333
    Language English
    Publishing date 2022-06-01T00:00:00Z
    Publisher Frontiers Media S.A.
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Coral Reef Geometry and Hydrodynamics in Beach Erosion Control in North Quintana Roo, Mexico

    Mireille Escudero / Borja G. Reguero / Edgar Mendoza / Fernando Secaira / Rodolfo Silva

    Frontiers in Marine Science, Vol

    2021  Volume 8

    Abstract: Coral reefs are increasingly recognized for their shoreline protection services. The hydrodynamic performance of this ecosystem is comparable to artificial low-crested structures often used in coastal protection, whose objective is to emulate the former. ...

    Abstract Coral reefs are increasingly recognized for their shoreline protection services. The hydrodynamic performance of this ecosystem is comparable to artificial low-crested structures often used in coastal protection, whose objective is to emulate the former. Coral reefs also provide other important environmental services (e.g., food production, habitat provision, maintenance of biodiversity and social and cultural services) and leave almost no ecological footprint when conservation and restoration actions are conducted to maintain their coastal protection service. However, studies have focused on their flood protection service, but few have evaluated the morphological effects of coral reefs through their ability to avoid or mitigate coastal erosion. In this paper, we investigate the relation between shoreline change, reefs’ geometry and hydrodynamic parameters to elucidate the physics related to how the Mesoamerican Reef in Mexico protects sandy coastlines from erosion. Using numerical wave propagation and historical shoreline change calculated from satellite imagery, a direct correlation was found between shoreline movement, the depths and widths of reef flats, changes in the wave energy flux, and the radiation stresses of breaking waves. The findings indicate that the most remarkable efficacy in preventing beach erosion is due to reefs with shallow crests, wide reef flats, a dissipative lagoon seabed, located at ∼300 m from the coastline. The results provide essential insights for reef restoration projects focused on erosion mitigation and designing artificial reefs in microtidal sandy beaches. Results are limited to wave-dominated coasts.
    Keywords beach erosion mitigation ; coral reefs ; coastal protection ; radiation stress ; wave energy ; nature-based solutions ; Science ; Q ; General. Including nature conservation ; geographical distribution ; QH1-199.5
    Subject code 710
    Language English
    Publishing date 2021-09-01T00:00:00Z
    Publisher Frontiers Media S.A.
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: Editorial

    Borja G. Reguero / Fabrice G. Renaud / Boris Van Zanten / Emmanuelle Cohen-Shacham / Michael W. Beck / Silvana Di Sabatino / Brenden Jongman

    Frontiers in Environmental Science, Vol

    Nature-based solutions for natural hazards and climate change

    2022  Volume 10

    Keywords nature-based solutions ; climate change ; natural hazards ; disaster risk ; risk management ; nature-based adaptation ; Environmental sciences ; GE1-350
    Language English
    Publishing date 2022-12-01T00:00:00Z
    Publisher Frontiers Media S.A.
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: A recent increase in global wave power as a consequence of oceanic warming

    Borja G. Reguero / Iñigo J. Losada / Fernando J. Méndez

    Nature Communications, Vol 10, Iss 1, Pp 1-

    2019  Volume 14

    Abstract: The upper-ocean warming, a consequence of anthropogenic global warming, is changing the global wave climate, making waves stronger. Here the author show that global wave power has been increasing and can represent a climate change indicator. ...

    Abstract The upper-ocean warming, a consequence of anthropogenic global warming, is changing the global wave climate, making waves stronger. Here the author show that global wave power has been increasing and can represent a climate change indicator.
    Keywords Science ; Q
    Language English
    Publishing date 2019-01-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article ; Online: A recent increase in global wave power as a consequence of oceanic warming

    Borja G. Reguero / Iñigo J. Losada / Fernando J. Méndez

    Nature Communications, Vol 10, Iss 1, Pp 1-

    2019  Volume 14

    Abstract: The upper-ocean warming, a consequence of anthropogenic global warming, is changing the global wave climate, making waves stronger. Here the author show that global wave power has been increasing and can represent a climate change indicator. ...

    Abstract The upper-ocean warming, a consequence of anthropogenic global warming, is changing the global wave climate, making waves stronger. Here the author show that global wave power has been increasing and can represent a climate change indicator.
    Keywords Science ; Q
    Language English
    Publishing date 2019-01-01T00:00:00Z
    Publisher Nature Publishing Group
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Comparing the cost effectiveness of nature-based and coastal adaptation

    Borja G Reguero / Michael W Beck / David N Bresch / Juliano Calil / Imen Meliane

    PLoS ONE, Vol 13, Iss 4, p e

    A case study from the Gulf Coast of the United States.

    2018  Volume 0192132

    Abstract: Coastal risks are increasing from both development and climate change. Interest is growing in the protective role that coastal nature-based measures (or green infrastructure), such as reefs and wetlands, can play in adapting to these risks. However, a ... ...

    Abstract Coastal risks are increasing from both development and climate change. Interest is growing in the protective role that coastal nature-based measures (or green infrastructure), such as reefs and wetlands, can play in adapting to these risks. However, a lack of quantitative information on their relative costs and benefits is one principal factor limiting their use more broadly. Here, we apply a quantitative risk assessment framework to assess coastal flood risk (from climate change and economic exposure growth) across the United States Gulf of Mexico coast to compare the cost effectiveness of different adaptation measures. These include nature-based (e.g. oyster reef restoration), structural or grey (e.g., seawalls) and policy measures (e.g. home elevation). We first find that coastal development will be a critical driver of risk, particularly for major disasters, but climate change will cause more recurrent losses through changes in storms and relative sea level rise. By 2030, flooding will cost $134-176.6 billion (for different economic growth scenarios), but as the effects of climate change, land subsidence and concentration of assets in the coastal zone increase, annualized risk will more than double by 2050 with respect to 2030. However, from the portfolio we studied, the set of cost-effective adaptation measures (with benefit to cost ratios above 1) could prevent up to $57-101 billion in losses, which represents 42.8-57.2% of the total risk. Nature-based adaptation options could avert more than $50 billion of these costs, and do so cost effectively with average benefit to cost ratios above 3.5. Wetland and oyster reef restoration are found to be particularly cost-effective. This study demonstrates that the cost effectiveness of nature-based, grey and policy measures can be compared quantitatively with one another, and that the cost effectiveness of adaptation becomes more attractive as climate change and coastal development intensifies in the future. It also shows that investments in nature-based adaptation ...
    Keywords Medicine ; R ; Science ; Q
    Subject code 710
    Language English
    Publishing date 2018-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: Comparative Coastal Risk Index (CCRI)

    Juliano Calil / Borja G Reguero / Ana R Zamora / Iñigo J Losada / Fernando J Méndez

    PLoS ONE, Vol 12, Iss 11, p e

    A multidisciplinary risk index for Latin America and the Caribbean.

    2017  Volume 0187011

    Abstract: As the world's population grows to a projected 11.2 billion by 2100, the number of people living in low-lying areas exposed to coastal hazards is projected to increase. Critical infrastructure and valuable assets continue to be placed in vulnerable areas, ...

    Abstract As the world's population grows to a projected 11.2 billion by 2100, the number of people living in low-lying areas exposed to coastal hazards is projected to increase. Critical infrastructure and valuable assets continue to be placed in vulnerable areas, and in recent years, millions of people have been displaced by natural hazards. Impacts from coastal hazards depend on the number of people, value of assets, and presence of critical resources in harm's way. Risks related to natural hazards are determined by a complex interaction between physical hazards, the vulnerability of a society or social-ecological system and its exposure to such hazards. Moreover, these risks are amplified by challenging socioeconomic dynamics, including poorly planned urban development, income inequality, and poverty. This study employs a combination of machine learning clustering techniques (Self Organizing Maps and K-Means) and a spatial index, to assess coastal risks in Latin America and the Caribbean (LAC) on a comparative scale. The proposed method meets multiple objectives, including the identification of hotspots and key drivers of coastal risk, and the ability to process large-volume multidimensional and multivariate datasets, effectively reducing sixteen variables related to coastal hazards, geographic exposure, and socioeconomic vulnerability, into a single index. Our results demonstrate that in LAC, more than 500,000 people live in areas where coastal hazards, exposure (of people, assets and ecosystems) and poverty converge, creating the ideal conditions for a perfect storm. Hotspot locations of coastal risk, identified by the proposed Comparative Coastal Risk Index (CCRI), contain more than 300,00 people and include: El Oro, Ecuador; Sinaloa, Mexico; Usulutan, El Salvador; and Chiapas, Mexico. Our results provide important insights into potential adaptation alternatives that could reduce the impacts of future hazards. Effective adaptation options must not only focus on developing coastal defenses, but also on improving practices and policies related to urban development, agricultural land use, and conservation, as well as ameliorating socioeconomic conditions.
    Keywords Medicine ; R ; Science ; Q
    Subject code 910
    Language English
    Publishing date 2017-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article ; Online: Coral restoration for coastal resilience

    T. Shay Viehman / Borja G. Reguero / Hunter S. Lenihan / Johanna H. Rosman / Curt D. Storlazzi / Elizabeth A. Goergen / Miguel F. Canals Silander / Sarah H. Groves / Daniel M. Holstein / Andrew W. Bruckner / Jane V. Carrick / Brian K. Haus / Julia B. Royster / Melissa S. Duvall / Walter I. Torres / James L. Hench

    Ecosphere, Vol 14, Iss 5, Pp n/a-n/a (2023)

    Integrating ecology, hydrodynamics, and engineering at multiple scales

    2023  

    Abstract: Abstract The loss of functional and accreting coral reefs reduces coastal protection and resilience for tropical coastlines. Coral restoration has potential for recovering healthy reefs that can mitigate risks from coastal hazards and increase ... ...

    Abstract Abstract The loss of functional and accreting coral reefs reduces coastal protection and resilience for tropical coastlines. Coral restoration has potential for recovering healthy reefs that can mitigate risks from coastal hazards and increase sustainability. However, scaling up restoration to the large extent needed for coastal protection requires integrated application of principles from coastal engineering, hydrodynamics, and ecology across multiple spatial scales, as well as filling missing knowledge gaps across disciplines. This synthesis aims to identify how scientific understanding of multidisciplinary processes at interconnected scales can advance coral reef restoration. The work is placed within the context of a decision support framework to evaluate the design and effectiveness of coral restoration for coastal resilience. Successfully linking multidisciplinary science with restoration practice will ensure that future large‐scale coral reef restorations maximize protection for at‐risk coastal communities.
    Keywords coastal protection ; coral reef ; engineering ; hydrodynamics ; restoration ; Ecology ; QH540-549.5
    Language English
    Publishing date 2023-05-01T00:00:00Z
    Publisher Wiley
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: The global flood protection savings provided by coral reefs

    Michael W. Beck / Iñigo J. Losada / Pelayo Menéndez / Borja G. Reguero / Pedro Díaz-Simal / Felipe Fernández

    Nature Communications, Vol 9, Iss 1, Pp 1-

    2018  Volume 9

    Abstract: Coral reefs provide significant coastal protection from storms but they have experienced significant losses. Here the authors show that the annual damages from flooding would double globally without reefs and they quantify where reefs provide the most ... ...

    Abstract Coral reefs provide significant coastal protection from storms but they have experienced significant losses. Here the authors show that the annual damages from flooding would double globally without reefs and they quantify where reefs provide the most protection to people and property.
    Keywords Science ; Q
    Language English
    Publishing date 2018-06-01T00:00:00Z
    Publisher Nature Publishing Group
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: The global flood protection savings provided by coral reefs

    Michael W. Beck / Iñigo J. Losada / Pelayo Menéndez / Borja G. Reguero / Pedro Díaz-Simal / Felipe Fernández

    Nature Communications, Vol 9, Iss 1, Pp 1-

    2018  Volume 9

    Abstract: Coral reefs provide significant coastal protection from storms but they have experienced significant losses. Here the authors show that the annual damages from flooding would double globally without reefs and they quantify where reefs provide the most ... ...

    Abstract Coral reefs provide significant coastal protection from storms but they have experienced significant losses. Here the authors show that the annual damages from flooding would double globally without reefs and they quantify where reefs provide the most protection to people and property.
    Keywords Science ; Q
    Language English
    Publishing date 2018-06-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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