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Article: Sea-level rise and coastal wetlands.

Blankespoor, Brian / Dasgupta, Susmita / Laplante, Benoit

2014 Volume 43, Issue 8, Page(s) 996–1005

Abstract: This paper seeks to quantify the impact of a1-m sea-level rise on coastal wetlands in 86 ... developing countries and territories. It is found that approximately 68 % of coastal wetlands in these countries are ... the loss of coastal wetlands is likely to exceed $703 million per year in 2000 US dollars. ...

Abstract	This paper seeks to quantify the impact of a1-m sea-level rise on coastal wetlands in 86 developing countries and territories. It is found that approximately 68 % of coastal wetlands in these countries are at risk. A large percentage of this estimated loss is found in Europe and Central Asia, East Asia, and the Pacific, as well as in the Middle East and North Africa. A small number of countries will be severely affected. China and Vietnam(in East Asia and the Pacific), Libya and Egypt (in the Middle East and North Africa), and Romania and Ukraine (in Europe and Central Asia) will bear most losses. In economic terms, the loss of coastal wetlands is likely to exceed $703 million per year in 2000 US dollars.
MeSH term(s)	Climate Change/economics ; Developing Countries/economics ; Oceans and Seas ; Wetlands
Language	English
Publishing date	2014-03-22
Publishing country	Sweden
Document type	Journal Article
ZDB-ID	120759-3
ISSN	1654-7209 ; 0044-7447
ISSN (online)	1654-7209
ISSN	0044-7447
DOI	10.1007/s13280-014-0500-4
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Article: Sea-Level Rise and Coastal Wetlands

Blankespoor, Brian / Dasgupta, Susmita / Laplante, Benoit

Ambio. 2014 Dec., v. 43, no. 8

2014

Abstract: This paper seeks to quantify the impact of a 1-m sea-level rise on coastal wetlands in 86 ... developing countries and territories. It is found that approximately 68 % of coastal wetlands in these countries are ... the loss of coastal wetlands is likely to exceed $703 million per year in 2000 US dollars. ...

Abstract	This paper seeks to quantify the impact of a 1-m sea-level rise on coastal wetlands in 86 developing countries and territories. It is found that approximately 68 % of coastal wetlands in these countries are at risk. A large percentage of this estimated loss is found in Europe and Central Asia, East Asia, and the Pacific, as well as in the Middle East and North Africa. A small number of countries will be severely affected. China and Vietnam (in East Asia and the Pacific), Libya and Egypt (in the Middle East and North Africa), and Romania and Ukraine (in Europe and Central Asia) will bear most losses. In economic terms, the loss of coastal wetlands is likely to exceed $703 million per year in 2000 US dollars.
Keywords	developing countries ; risk ; sea level ; wetlands ; Central Asia ; China ; Egypt ; Libya ; Middle East ; Romania ; Ukraine ; Vietnam
Language	English
Dates of publication	2014-12
Size	p. 996-1005.
Publishing place	Springer-Verlag
Document type	Article
ZDB-ID	120759-3
ISSN	1654-7209 ; 0044-7447
ISSN (online)	1654-7209
ISSN	0044-7447
DOI	10.1007/s13280-014-0500-4
Database	NAL-Catalogue (AGRICOLA)

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Book ; Online: Sea-Level Rise and Coastal Wetlands

Blankespoor, Brian / Dasgupta, Susmita / Laplante, Benoit

Impacts and Costs

2012

Author's details	Brian Blankespoor
Language	English
Size	Online-Ressource (27 p)
Publisher	The World Bank
Publishing place	Washington, D.C
Document type	Book ; Online
Database	Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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Book ; Online: Sea-Level Rise and Coastal Wetlands

Blankespoor, Brian / Dasgupta, Susmita / Laplante, Benoit

Impacts and Costs

2012

Author's details	Brian Blankespoor
Language	English
Size	Online-Ressource (27 p)
Publisher	The World Bank
Publishing place	Washington, D.C
Document type	Book ; Online
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Book ; Online: Sea-level rise and coastal Wetlands

Blankespoor, Brian / Dasgupta, Susmita / Laplante, Benoit

impacts and costs

(Policy research working paper ; 6277)

2012

Author's details	Brian Blankespoor; Susmita Dasgupta; Benoit Laplante
Series title	Policy research working paper ; 6277
Keywords	Klimawandel ; Feuchtgebiet ; Meer ; Entwicklungsländer
Language	English
Size	Online-Ressource (PDF-Datei: 25 S., 1,89 MB), graph. Darst.
Publisher	World Bank, Development Research Group, Computational Tools & Environment and Energy Teams
Publishing place	Washington, DC
Document type	Book ; Online
Note	IMD-Felder maschinell generiert
DOI	10.1596/1813-9450-6277
Database	ECONomics Information System

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Article ; Online: Silicon fractionations at the margin of a coastal wetland and its response to sea level rise

Zhao, Xiangwei / Zhang, Xiaodong / Li, Zimin / Zwieten, Lukas van / Wang, Yidong / Qian, Hao / Wei, Yuqiu / Ran, Xiangbin / Yang, Xiaomin / Song, Zhaoliang / Wang, Hailong

Geoderma. 2023 Sept., v. 437 p.116602-

2023

Abstract: ... wetland ecosystems are an important source of Si to the estuary. With future sea level rise and increased margin ... of terrestrial and marine ecosystems. However, the effects of sea level rise on the biogeochemical cycling of Si ... in coastal wetlands remain poorly understood. To explore this impact on biogeochemical Si cycling, we sampled ...

Abstract	Silicon (Si) and its biogeochemical cycling play an important role in maintaining the functions of terrestrial and marine ecosystems. However, the effects of sea level rise on the biogeochemical cycling of Si in coastal wetlands remain poorly understood. To explore this impact on biogeochemical Si cycling, we sampled a gradient from sediment to soil without the impact of tidal inundation in the Beidagang Wetland Nature Reserve, and then assayed non-crystalline Si (labile Si), including mobile Si (CaCl₂-Si), adsorbed Si (Acetic-Si), Si bound to soil organic matter (H₂O₂-Si), Si occluded in pedogenic oxides/hydroxide (Oxalate-Si), and amorphous Si (Na₂CO₃-Si) fractions. Analytical results showed that the content of CaCl₂-Si ranged from 13.0 to 53.3 mg kg⁻¹ and the content of Acetic-Si ranged from 32.3 to 80.9 mg kg⁻¹, both of which were lower in sediments compared to soils. The content of H₂O₂-Si (84.1–160.1 mg kg⁻¹) and Oxalate-Si (306.6–655.1 mg kg⁻¹) in the soil profiles showed non-significant variations along the sampling slope. The Na₂CO₃-Si fraction accounted for 82%–90% of labile Si in soil and sediment, mainly being contributed from phytoliths or diatoms. Diatoms were only detected in sediment profiles. The storage of labile Si in sediment was significantly (p = 0.0009) lower than the storage in soil, suggesting that the coastal wetland ecosystems are an important source of Si to the estuary. With future sea level rise and increased margin erosion, the inter-transformation processes among different Si fractions would likely be weakened to increase dissolved Si for marine diatoms.
Keywords	conservation areas ; estuaries ; phytoliths ; sea level ; sediments ; silicon ; soil ; soil organic matter ; wetlands ; Biogeochemical silicon cycling ; Margin erosion ; Sea level rise ; Coastal wetland
Language	English
Dates of publication	2023-09
Publishing place	Elsevier B.V.
Document type	Article ; Online
ZDB-ID	281080-3
ISSN	1872-6259 ; 0016-7061
ISSN (online)	1872-6259
ISSN	0016-7061
DOI	10.1016/j.geoderma.2023.116602
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Article: Modeling net ecosystem carbon balance and loss in coastal wetlands exposed to sea-level rise and saltwater intrusion.

Ishtiaq, Khandker S / Troxler, Tiffany G / Lamb-Wotton, Lukas / Wilson, Benjamin J / Charles, Sean P / Davis, Stephen E / Kominoski, John S / Rudnick, David T / Sklar, Fred H

Ecological applications : a publication of the Ecological Society of America

2022 Volume 32, Issue 8, Page(s) e2702

Abstract: Coastal wetlands are globally important stores of carbon (C). However, accelerated sea-level rise ... from sawgrass (Cladium jamaicense)-dominated freshwater and brackish water marshes in the Florida Coastal ... of peat marshes, converting coastal peatlands into open water. Applying results from multiple experiments ...

Abstract	Coastal wetlands are globally important stores of carbon (C). However, accelerated sea-level rise (SLR), increased saltwater intrusion, and modified freshwater discharge can contribute to the collapse of peat marshes, converting coastal peatlands into open water. Applying results from multiple experiments from sawgrass (Cladium jamaicense)-dominated freshwater and brackish water marshes in the Florida Coastal Everglades, we developed a system-level mechanistic peat elevation model (EvPEM). We applied the model to simulate net ecosystem C balance (NECB) and peat elevation in response to elevated salinity under inundation and drought exposure. Using a mass C balance approach, we estimated net gain in C and corresponding export of aquatic fluxes (
MeSH term(s)	Wetlands ; Sea Level Rise ; Ecosystem ; Carbon ; Soil
Chemical Substances	Carbon (7440-44-0) ; Soil
Language	English
Publishing date	2022-08-12
Publishing country	United States
Document type	Journal Article ; Research Support, U.S. Gov't, Non-P.H.S. ; Research Support, Non-U.S. Gov't
ZDB-ID	1074505-1
ISSN	1939-5582 ; 1051-0761
ISSN (online)	1939-5582
ISSN	1051-0761
DOI	10.1002/eap.2702
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Accretion, retreat and transgression of coastal wetlands experiencing sea-level rise

A. Breda / P. M. Saco / S. G. Sandi / N. Saintilan / G. Riccardi / J. F. Rodríguez

Hydrology and Earth System Sciences, Vol 25, Pp 769-

2021 Volume 786

Abstract: The vulnerability of coastal wetlands to future sea-level rise (SLR) has been extensively studied ... the expected impacts. Coastal wetlands respond to SLR by vertical accretion and landward migration. Wetlands ... in recent years, and models of coastal wetland evolution have been developed to assess and quantify ...

Abstract	The vulnerability of coastal wetlands to future sea-level rise (SLR) has been extensively studied in recent years, and models of coastal wetland evolution have been developed to assess and quantify the expected impacts. Coastal wetlands respond to SLR by vertical accretion and landward migration. Wetlands accrete due to their capacity to trap sediments and to incorporate dead leaves, branches, stems and roots into the soil, and they migrate driven by the preferred inundation conditions in terms of salinity and oxygen availability. Accretion and migration strongly interact, and they both depend on water flow and sediment distribution within the wetland, so wetlands under the same external flow and sediment forcing but with different configurations will respond differently to SLR. Analyses of wetland response to SLR that do not incorporate realistic consideration of flow and sediment distribution, like the bathtub approach, are likely to result in poor estimates of wetland resilience. Here, we investigate how accretion and migration processes affect wetland response to SLR using a computational framework that includes all relevant hydrodynamic and sediment transport mechanisms that affect vegetation and landscape dynamics, and it is efficient enough computationally to allow the simulation of long time periods. Our framework incorporates two vegetation species, mangrove and saltmarsh, and accounts for the effects of natural and manmade features like inner channels, embankments and flow constrictions due to culverts. We apply our model to simplified domains that represent four different settings found in coastal wetlands, including a case of a tidal flat free from obstructions or drainage features and three other cases incorporating an inner channel, an embankment with a culvert, and a combination of inner channel, embankment and culvert. We use conditions typical of south-eastern Australia in terms of vegetation, tidal range and sediment load, but we also analyse situations with 3 times the sediment load to assess ...
Keywords	Technology ; T ; Environmental technology. Sanitary engineering ; TD1-1066 ; Geography. Anthropology. Recreation ; G ; Environmental sciences ; GE1-350
Subject code	333
Language	English
Publishing date	2021-02-01T00:00:00Z
Publisher	Copernicus Publications
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Coastal Melaleuca wetlands under future climate and sea-level rise scenarios in the Mekong Delta, Vietnam: vulnerability and conservation

Dang, An T. N. / Reid, Michael / Kumar, Lalit

Reg Environ Change. 2023 Mar., v. 23, no. 1 p.21-21

2023

Abstract: ... on climate change and SLR impacts on coastal Melaleuca wetlands in the Mekong Delta, Vietnam, are currently limited ... are vulnerable to climate change and relative sea-level rise (SLR) impacts. Documents and research ... with the aid of an ensemble species distribution model (SDM) and the Sea Level Affecting Marshes Model (SLAMM ...

Abstract	Melaleuca wetland ecosystems play crucial roles in ecology and human livelihood, yet the ecosystems are vulnerable to climate change and relative sea-level rise (SLR) impacts. Documents and research on climate change and SLR impacts on coastal Melaleuca wetlands in the Mekong Delta, Vietnam, are currently limited. Therefore, the present study aimed to identify changes in habitat suitability for a coastal Melaleuca wetland species in response to different future climate change and SLR scenarios, in the West Sea of the Mekong Delta, with the aid of an ensemble species distribution model (SDM) and the Sea Level Affecting Marshes Model (SLAMM). Melaleuca species occurrence records, bioclimatic and eco-physiological variables were utilized to predict potential distribution of the species in response to current and future climate scenarios (i.e. RCP4.5 and 8.5) for the year 2070. Wetland maps for 2020, a digital elevation model (DEM) and localized site-specific parameters (i.e. historic trend of SLR, erosion, subsidence and overwash) were utilized as input data for SLAMM to simulate spatial distribution of Melaleuca/forested wetlands under the two SLR scenarios. The final habitat suitability for the Melaleuca wetland species was identified based on these two resultant datasets, climatic suitability and spatial distribution of the wetlands. Simulated results suggested mean losses in suitable habitat of 29.8% and 58.7% for stable and subsidence scenarios, respectively, for the year 2070 in comparison to the baseline scenario. SLR combined with considerable subsidence rate was suggested as one of the main drivers responsible for the habitat suitability loss. The findings obtained from the current work are useful sources for planning conservation areas for the Melaleuca wetlands, to protect and preserve the ecosystems and their important services under future climate and SLR scenarios.
Keywords	Melaleuca ; climate ; climate change ; data collection ; digital elevation models ; ecophysiology ; geographical distribution ; habitats ; humans ; livelihood ; river deltas ; sea level ; subsidence ; wetlands ; Vietnam
Language	English
Dates of publication	2023-03
Size	p. 21.
Publishing place	Springer Berlin Heidelberg
Document type	Article ; Online
ZDB-ID	1464515-4
ISSN	1436-3798
ISSN	1436-3798
DOI	10.1007/s10113-022-02009-8
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Modeling net ecosystem carbon balance and loss in coastal wetlands exposed to sea‐level rise and saltwater intrusion

Ishtiaq, Khandker S. / Troxler, Tiffany G. / Lamb‐Wotton, Lukas / Wilson, Benjamin J. / Charles, Sean P. / Davis, Stephen E. / Kominoski, John S. / Rudnick, David T. / Sklar, Fred H.

Ecological Applications. 2022 Dec., v. 32, no. 8 p.e2702-

2022

Abstract: Coastal wetlands are globally important stores of carbon (C). However, accelerated sea‐level rise ... in understanding the fate of coastal peat wetlands with SLR and freshwater restoration. The modeling results ... from sawgrass (Cladium jamaicense)‐dominated freshwater and brackish water marshes in the Florida Coastal ...

Abstract	Coastal wetlands are globally important stores of carbon (C). However, accelerated sea‐level rise (SLR), increased saltwater intrusion, and modified freshwater discharge can contribute to the collapse of peat marshes, converting coastal peatlands into open water. Applying results from multiple experiments from sawgrass (Cladium jamaicense)‐dominated freshwater and brackish water marshes in the Florida Coastal Everglades, we developed a system‐level mechanistic peat elevation model (EvPEM). We applied the model to simulate net ecosystem C balance (NECB) and peat elevation in response to elevated salinity under inundation and drought exposure. Using a mass C balance approach, we estimated net gain in C and corresponding export of aquatic fluxes (FAQ$$ {F}_{\mathrm{AQ}} $$) in the freshwater marsh under ambient conditions (NECB = 1119 ± 229 gC m⁻² year⁻¹; FAQ = 317 ± 186 gC m⁻² year⁻¹). In contrast, the brackish water marsh exhibited substantial peat loss and aquatic C export with ambient (NECB = −366 ± 15 gC m⁻² year⁻¹; FAQ = 311 ± 30 gC m⁻² year⁻¹) and elevated salinity (NECB = −594 ± 94 gC m⁻² year⁻¹; FAQ = 729 ± 142 gC m⁻² year⁻¹) under extended exposed conditions. Further, mass balance suggests a considerable decline in soil C and corresponding elevation loss with elevated salinity and seasonal dry‐down. Applying EvPEM, we developed critical marsh net primary productivity (NPP) thresholds as a function of salinity to simulate accumulating, steady‐state, and collapsing peat elevations. The optimization showed that ~150–1070 gC m⁻² year⁻¹ NPP could support a stable peat elevation (elevation change ≈ SLR), with the corresponding salinity ranging from 1 to 20 ppt under increasing inundation levels. The C budgeting and modeling illustrate the impacts of saltwater intrusion, inundation, and seasonal dry‐down and reduce uncertainties in understanding the fate of coastal peat wetlands with SLR and freshwater restoration. The modeling results provide management targets for hydrologic restoration based on the ecological conditions needed to reduce the vulnerability of the Everglades' peat marshes to collapse. The approach can be extended to other coastal peatlands to quantify C loss and improve understanding of the influence of the biological controls on wetland C storage changes for coastal management.
Keywords	Cladium mariscus subsp. jamaicense ; brackish water ; carbon ; carbon sequestration ; coastal zone management ; decline ; drought ; ecosystems ; exports ; freshwater ; freshwater marshes ; net ecosystem exchange ; net primary productivity ; peat ; peatlands ; salinity ; saltwater intrusion ; sea level ; simulation models ; soil ; Florida
Language	English
Dates of publication	2022-12
Publishing place	John Wiley & Sons, Inc.
Document type	Article ; Online
Note	JOURNAL ARTICLE
ZDB-ID	1074505-1
ISSN	1939-5582 ; 1051-0761
ISSN (online)	1939-5582
ISSN	1051-0761
DOI	10.1002/eap.2702
Database	NAL-Catalogue (AGRICOLA)

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