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North Carolina Wetlands Not Keeping Up with Sea Level Rise
coastalscience.noaa.gov/news/north-carolina-wetlands-not-keeping-up-with-sea-level-rise/
NCCOS researcher uses a surface elevation table to monitor elevation changes in a North Carolina salt marsh. Credit: NOAA. A new report from the North ...
Researchers Document Recent Elevation Trends in North Carolina Coastal ...
coastalscience.noaa.gov/news/researchers-document-recent-elevation-trends-in-north-carolina-coastal-wetlands/
With the current update, this record of elevation trends now spans 31 years and is among the longest SET records in the country, and an extremely ...
Development of Adjusted Digital Elevation Models to Support a Marsh ...
coastalscience.noaa.gov/project/development-of-adjusted-digital-elevation-models-to-support-a-marsh-model-testbed-for-retrospective-analysis-at-grand-bay-ms-and-plum-island-estuary-ma/
We are developing historical digital elevation models (DEMs) that will help improve predictions of marsh extent under future sea level rise. Land ...
Surface Elevation Trends Help Us Prepare for Climate Change
coastalscience.noaa.gov/news/vulnerable-property-sea-level-rise-surface-elevation-trends-help-us-prepare-climate-change/
Surface elevation tables – mechanical devices permanently installed in wetlands – allow scientists to measure small changes in surface elevation ...
New Study Suggests Marsh Models Require Mucking Through Marshes to Get ...
coastalscience.noaa.gov/news/new-study-suggests-marsh-models-require-mucking-through-marshes-to-get-accurate-surface-elevation/
Lidar derived digital elevation models (DEM’s), which relies on flying near infrared lasers at an elevation of 1000-3000 m allows for the collection ...
Building a Collaborative Network to Better Understand Changes to North ...
coastalscience.noaa.gov/news/building-a-collaborative-network-to-better-understand-changes-to-north-carolinas-marsh-surface-elevation/
Surface Elevation Tables, or SETs, are used to study changes in marsh surface elevation. These devices are attached to a fixed benchmark and measure ...
Sea Level Rise Could Drown North Carolina's Coastal Marshes
coastalscience.noaa.gov/news/surface_elevation_changes/
Scientists will use the long-term, marsh surface elevation data collected by these devices to evaluate the effect of stone sills on marsh structure ...
Thin Layer Sediment Placement Boosts Marsh Growth
coastalscience.noaa.gov/news/thin-layer-sediment-placement-boosts-marsh-growth-in-new-experimental-study/
A new NCCOS study shows that spreading a thin layer of sediment on low-lying marshes promotes vegetation growth that builds elevation. The technique ...
Easy-to-use Model for Predicting Sea Level Rise Impacts to Marshes Now ...
coastalscience.noaa.gov/news/easy-to-use-marsh-simulation-model-for-predicting-sea-level-rise-impacts-now-available-on-line/
An NCCOS-funded researcher updated his innovative coastal marsh model and provided an interactive web based application. The web accessible ...
Study Offers Novel Approach for Estimating More Accurate Marsh Surface ...
coastalscience.noaa.gov/news/study-offers-novel-approach-for-estimating-more-accurate-marsh-surface-elevations-a-key-variable-in-predicting-marsh-survival-under-rising-seas/
Marshes with a small difference between low and high tides (<2m) require adjusting aerial derived elevation to account for vegetation height.NCCOS ...
Wetlands in Intermittently Closed Estuaries Can Build Elevation to Keep ...
coastalscience.noaa.gov/news/wetlands-in-intermittently-closed-estuaries-can-build-elevation-to-keep-pace-with-sea-level-rise/
Using a model, they determined marsh elevation change under 840 simulated responses to sea-level rise to 2100. The closure-scenario modeling showed ...
Salt Marsh Ecology in an Era of Sea Level Rise
coastalscience.noaa.gov/project/salt-marsh-ecology-era-sea-level-rise/
Under the right circumstances, salt marshes have the ability to increase their elevation, and therefore may be able to “keep up” with sea level rise ...
Statistical correction of lidar-derived digital elevation models with ...
coastalscience.noaa.gov/data_reports/statistical-correction-of-lidar-derived-digital-elevation-models-with-multispectral-airborne-imagery-in-tidal-marshes/
Airborne light detection and ranging (lidar) is a valuable tool for collecting large amounts of elevation data across large areas; however, the ...
NCCOS PROJECT - NCCOS Coastal Science Website
coastalscience.noaa.gov/project/sea-level-rise-assessments-mitigate-surge-flooding/
Socioeconomic risk associated with the 1% and 0.2% return period Stillwater flood elevation under sea-level rise for the northern Gulf of Mexico ...
Identifying Pathways to Match Dredged Material with Drowning Marshes
coastalscience.noaa.gov/news/identifying-pathways-to-match-dredged-material-with-drowning-marshes/
Using elevation data, historic imagery, and site characteristics, the team developed specialized restoration plans for each marsh site. For example ...
Study Incorporates Uncertainty to Improve Projections for How Sea Level ...
coastalscience.noaa.gov/news/study-incorporates-uncertainty-to-improve-projections-for-how-sea-level-rise-will-affect-california-wetlands/
To ensure the resilience of coastal wetlands, we must understand how sea level rise will impact these ecosystems and assess different protection ...
Location, Inundation, and Nitrogen Availability Drive Salt Marsh Carbon ...
coastalscience.noaa.gov/news/location-inundation-and-nitrogen-availability-drive-salt-marsh-carbon-sequestration-rates-and-response-to-fertilization/
The researchers found that the effect of nitrogen on elevation‐building depends particularly on hydrology. Factors such as tidal inundation period and ...
Atmospheric River Storms Threaten Communities and Economies, But May ...
coastalscience.noaa.gov/news/atmospheric-river-storms-threaten-communities-and-economies-but-may-enhance-marsh-resilience/
The findings suggest that atmospheric river storms may help create positive elevation trajectories to offset sea-level rise at some locations ...
Refining Ecosystem Model Inputs for Sea Level Rise Vulnerability in the ...
coastalscience.noaa.gov/project/ecosystem-model-inputs-sea-level-rise-vulnerability-san-francisco-bay-estuary/
Improved estuary-wide data on vegetation and marsh elevation, which will come in the form of estuary-wide LiDAR-derived data sets based on remotely ...
Story Map Highlights Marsh Vulnerability in San Francisco Bay-Delta ...
coastalscience.noaa.gov/news/story-map-highlights-marsh-vulnerability-in-san-francisco-bay-delta-estuary/
A “marsh organ,” used to study the effects of different water levels on marsh vegetation and marsh migration, is deployed at the project study ...