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We evaluated the biogeomorphic processes of a large (309 ha) tidal salt marsh and examined factors that influence its ability to keep pace with relative sea-level rise (SLR). Detailed elevation data from 1995 and 2008 were compared with digital elevation models (DEMs) to assess marsh surface elevation change during this time. Overall, 37 % (113 ha) of the marsh increased in elevation at a rate that exceeded SLR, whereas 63 % (196 ha) of the area did not keep pace with SLR. Of the total area, 55 % (169 ha) subsided during the study period, but subsidence varied spatially across the marsh surface. To determine which biogeomorphic and spatial factors contributed to measured elevation change, we collected soil cores...
Categories: Data,
Publication;
Types: Citation;
Tags: Completed,
LCC Network Science Catalog,
Publication,
environment
Coastal areas are high-risk zones subject to the impacts of global climate change, with significant increases in the frequencies of extreme weather and storm events, and sea-level rise forecast by 2100. These physical processes are expected to alter estuaries, resulting in loss of intertidal wetlands and their component wildlife species. In particular, impacts to salt marshes and their wildlife will vary both temporally and spatially and may be irreversible and severe. Synergistic effects caused by combining stressors with anthropogenic land-use patterns could create areas of significant biodiversity loss and extinction, especially in urbanized estuaries that are already heavily degraded. In this paper, we discuss...
Categories: Data,
Publication;
Types: Citation;
Tags: Completed,
LCC Network Science Catalog,
Publication,
environment
This September, 2014 article in the Orange County Register highlights the project “Sea-level rise modeling across the California salt marsh gradient”.
Categories: Data,
Publication;
Types: Citation;
Tags: Completed,
LCC Network Science Catalog,
Publication,
environment
Final Progress Report for the project, Correlation and Climate Sensitivity of Human Health and Environmental Indicators in the Salish Sea.
Categories: Publication;
Types: Citation;
Tags: Data Visualization & Tools,
Indigenous Peoples,
Northwest CASC,
Salish Sea,
Science Tools For Managers,
In the Pacific Northwest, coastal wetlands support a wealth of ecosystem services including habitat provision for wildlife and fisheries and flood protection. The tidal marshes, mudflats, and shallow bays of coastal estuaries link marine, freshwater, and terrestrial habitats, and provide economic and recreational benefits to local communities. Climate change effects such as sea-level rise are altering these habitats, but we know little about how these areas will change over the next 50–100 years. Our study examined the effects of sea-level rise on nine tidal marshes in Washington and Oregon between 2012 and 2015, with the goal of providing scientific data to support future coastal planning and conservation. We compiled...
Categories: Data,
Publication;
Types: Citation;
Tags: LCC Network Science Catalog,
Publication,
completed,
data.gov California LCC,
environment
Workshops were held in each of the 3-6 areas to present study results and solicit visits with managers over 2-3 days. In addition, stakeholder involvement was recruited at 1-3 areas to develop a decision-making tool that incorporates climate change projections in management alternatives.
Categories: Data,
Publication;
Types: Citation;
Tags: LCC Network Science Catalog,
Publication,
completed,
data.gov California LCC,
environment
Decision makers that are responsible for stewardship of natural resources face many challenges, which are complicated by uncertainty about impacts from climate change, expanding human development, and intensifying land uses. A systematic process for evaluating the social and ecological risks, trade-offs, and cobenefits associated with future changes is critical to maximize resilience and conserve ecosystem services. This is particularly true in coastal areas where human populations and landscape conversion are increasing, and where intensifying storms and sea-level rise pose unprecedented threats to coastal ecosystems. We applied collaborative decision analysis with a diverse team of stakeholders who preserve, manage,...
Categories: Data,
Publication;
Types: Citation;
Tags: LCC Network Science Catalog,
Publication,
completed,
data.gov California LCC,
environment
The coastal region of California supports a wealth of ecosystem services including habitat provision for wildlife and fisheries. Tidal marshes, mudflats, and shallow bays within coastal estuaries link marine, freshwater and terrestrial habitats, and provide economic and recreational benefits to local communities. Climate change effects such as sea-level rise (SLR) are altering these habitats, but we know little about how these areas will change over the next 50–100 years. Our study examined the projected effects of three recent SLR scenarios produced for the West Coast of North America on tidal marshes in California. We compiled physical and biological data, including coastal topography, tidal inundation, plant...
Categories: Data,
Publication;
Types: Citation;
Tags: Completed,
LCC Network Science Catalog,
Publication,
data.gov California LCC,
environment
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