Evaluating adaptation options to sea level rise and benefits to agriculture: The Ebro Delta showcase

Sea level rise (SLR) is threatening low-lying coastal areas such as river deltas. The Ebro river Delta (Spain) is representative of coastal systems particularly vulnerable to SLR due to significant sediment retention behind upstream dams (up to 99%), thereby dramatically reducing the capacity for de...

Descripción completa

Detalles Bibliográficos
Autores: Genua-Olmedo, Ana, Temmerman, Stijn, Ibáñez, Carles, Alcaraz, Carles
Tipo de recurso: artículo
Fecha de publicación:2021
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:20.500.12327/1461
Acceso en línea:http://hdl.handle.net/20.500.12327/1461
https://doi.org/10.1016/j.scitotenv.2021.150624
Access Level:acceso abierto
Palabra clave:574
id ES_c1c41d71ce2c1cf86f7dcc81d1d110c8
oai_identifier_str oai:recercat.cat:20.500.12327/1461
network_acronym_str ES
network_name_str España
repository_id_str
spelling Evaluating adaptation options to sea level rise and benefits to agriculture: The Ebro Delta showcaseGenua-Olmedo, AnaTemmerman, StijnIbáñez, CarlesAlcaraz, Carles574Sea level rise (SLR) is threatening low-lying coastal areas such as river deltas. The Ebro river Delta (Spain) is representative of coastal systems particularly vulnerable to SLR due to significant sediment retention behind upstream dams (up to 99%), thereby dramatically reducing the capacity for deltaic sediment accretion. Rice production is the main economic activity, covering 66% of the delta area, and is negatively affected by SLR because of flooding and soil salinization. Therefore, appropriate adaptation measures are needed to preserve rice production. We combined Geographic Information Systems and Generalized Linear Models to identify zones prone to flooding and increasing soil salinity, and to calculate the so-called sediment deficit, that is the amount of sediment needed to raise the land to compensate flooding and soil salinization. We modelled SLR scenarios predicted by the IPCC Fifth Assessment Report, and analysed the economic feasibility (not the technical feasibility) of reintroducing fluvial sediments retained in the upstream river dam reservoirs into the delta plain, which can contribute to maintaining land elevation and rice production with SLR. To do this, the costs of the sediment reintroduction measures and their benefits in terms of avoided loss of rice production income were evaluated with an approximate economic cost-benefit analysis. Results predicted that between 35 and 90% of the rice field area will be flooded in the best and worst SLR scenarios considered (SLR = 0.5 m and 1.8 m by 2100, respectively), with a sediment deficit of 130 and 442 million tonnes, with an associated cost of sediment reintroduction of 13 and 226 million €. The net benefit of rice production maintenance was 24.6 and 328 €/ha. The proposed adaptation measure has a positive effect on rice production and can be considered as an innovative management option for maintaining deltaic areas under SLR.info:eu-repo/semantics/acceptedVersionElsevierProducció AnimalAigües Marines i Continentals2021info:eu-repo/semantics/article66http://hdl.handle.net/20.500.12327/1461https://doi.org/10.1016/j.scitotenv.2021.150624reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésScience of The Total EnvironmentEC/FP7/603396/EU/Responses to coastal climate change: Innovative Strategies for high End Scenarios -Adaptation and Mitigation-/RISES-AM-Attribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:recercat.cat:20.500.12327/14612026-05-29T05:05:01Z
dc.title.none.fl_str_mv Evaluating adaptation options to sea level rise and benefits to agriculture: The Ebro Delta showcase
title Evaluating adaptation options to sea level rise and benefits to agriculture: The Ebro Delta showcase
spellingShingle Evaluating adaptation options to sea level rise and benefits to agriculture: The Ebro Delta showcase
Genua-Olmedo, Ana
574
title_short Evaluating adaptation options to sea level rise and benefits to agriculture: The Ebro Delta showcase
title_full Evaluating adaptation options to sea level rise and benefits to agriculture: The Ebro Delta showcase
title_fullStr Evaluating adaptation options to sea level rise and benefits to agriculture: The Ebro Delta showcase
title_full_unstemmed Evaluating adaptation options to sea level rise and benefits to agriculture: The Ebro Delta showcase
title_sort Evaluating adaptation options to sea level rise and benefits to agriculture: The Ebro Delta showcase
dc.creator.none.fl_str_mv Genua-Olmedo, Ana
Temmerman, Stijn
Ibáñez, Carles
Alcaraz, Carles
author Genua-Olmedo, Ana
author_facet Genua-Olmedo, Ana
Temmerman, Stijn
Ibáñez, Carles
Alcaraz, Carles
author_role author
author2 Temmerman, Stijn
Ibáñez, Carles
Alcaraz, Carles
author2_role author
author
author
dc.contributor.none.fl_str_mv Producció Animal
Aigües Marines i Continentals
dc.subject.none.fl_str_mv 574
topic 574
description Sea level rise (SLR) is threatening low-lying coastal areas such as river deltas. The Ebro river Delta (Spain) is representative of coastal systems particularly vulnerable to SLR due to significant sediment retention behind upstream dams (up to 99%), thereby dramatically reducing the capacity for deltaic sediment accretion. Rice production is the main economic activity, covering 66% of the delta area, and is negatively affected by SLR because of flooding and soil salinization. Therefore, appropriate adaptation measures are needed to preserve rice production. We combined Geographic Information Systems and Generalized Linear Models to identify zones prone to flooding and increasing soil salinity, and to calculate the so-called sediment deficit, that is the amount of sediment needed to raise the land to compensate flooding and soil salinization. We modelled SLR scenarios predicted by the IPCC Fifth Assessment Report, and analysed the economic feasibility (not the technical feasibility) of reintroducing fluvial sediments retained in the upstream river dam reservoirs into the delta plain, which can contribute to maintaining land elevation and rice production with SLR. To do this, the costs of the sediment reintroduction measures and their benefits in terms of avoided loss of rice production income were evaluated with an approximate economic cost-benefit analysis. Results predicted that between 35 and 90% of the rice field area will be flooded in the best and worst SLR scenarios considered (SLR = 0.5 m and 1.8 m by 2100, respectively), with a sediment deficit of 130 and 442 million tonnes, with an associated cost of sediment reintroduction of 13 and 226 million €. The net benefit of rice production maintenance was 24.6 and 328 €/ha. The proposed adaptation measure has a positive effect on rice production and can be considered as an innovative management option for maintaining deltaic areas under SLR.
publishDate 2021
dc.date.none.fl_str_mv 2021
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/20.500.12327/1461
https://doi.org/10.1016/j.scitotenv.2021.150624
url http://hdl.handle.net/20.500.12327/1461
https://doi.org/10.1016/j.scitotenv.2021.150624
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Science of The Total Environment
EC/FP7/603396/EU/Responses to coastal climate change: Innovative Strategies for high End Scenarios -Adaptation and Mitigation-/RISES-AM-
dc.rights.none.fl_str_mv Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 66
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869418587098185728
score 15,811543

Similares en LA Referencia