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Location Folder Show Tree ROOT _ScienceBase Catalog __Eastern Ecological Science Center ___Ecological Patterns & Processes Salt Marsh Turbidity at Mockhorn Island, VA; Plum Island, MA; York River, VA; and Altamaha River, GA Summary data on the forage base and critical forage taxa for Chesapeake waterbirds Water levels (November 11 2016 through November 11 2017) for four wells and Light intensity data (October 1 2015 through September 2019): from marsh to upland forest, for Moneystump Marsh, Blackwater National Wildlife Refuge, Maryland Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Glenn R Guntenspergen U.S. Geological Survey U.S. Geological Survey - ScienceBase David C Walters Ecosystems More... Categories Data (2) Tag Types Theme (3) USGS Scientific Topic Keyword (3) Place (3) Harvest Set (3) Tag Schemes Common geographic areas (3) USGS Thesaurus (3) ISO 19115 Topic Category (3) Marine Realms Information Bank (MRIB) keywords (2) None (1) View Results as: JSON ATOM CSV Browse Folder

Surface Elevation Tablet Measurements from 10 USGS Sites Along the US Atlantic Coast (2005-2020) Here we provide data used to report on changes in tidal marsh elevation in relation to our network of 20 fixed benchmarks located across a geographically broad network of coastal elevation monitoring stations with standard monitoring protocols. This dataset includes Surface Elevation Table (SET) measurements taken from 10 sites along the US Atlantic coast, ranging from Virginia to Maine. Each site includes 2 SETs where repeat measurements of wetland surface elevation were made from 2005-2019. Categories: Data; Tags: Ecology, Geomorphology, Mid Atlantic, North America, USGS Science Data Catalog (SDC), All tags... United States, environment, sea-level change, wetlands, Fewer tags Salt Marsh Turbidity at Mockhorn Island, VA; Plum Island, MA; York River, VA; and Altamaha River, GA We measured turbidity along transects from channel to marsh interior for 4 sites along the east coast of the United States at: Mockhorn Island, on the Eastern Shore of VA, USA; Plum Island in MA, USA; Goodwin Islands on the York River, VA USA; and the Altamaha River estuary, in GA, USA. Tags: Ecology, Geomorphology, Geomorphology, Sedimentology, Sedimentology, All tags... USGS Science Data Catalog (SDC), United States, environment, suspended material (water), turbidity, wetland ecosystems, Fewer tags Environmental and Vegetation Data from Marsh-Forest Transgression Experiment at Blackwater National Wildlife Refuge, MD, USA We conducted a field experiment at the Moneystump Swamp in the Blackwater National Wildlife Refuge in Dorchester, MD, USA to simulate a natural forest disturbance event (e.g., storm-induced flooding) by inducing the death of established trees (coastal loblolly pine, Pinus taeda) at the marsh-upland forest ecotone. There were three treatment components: Cut- where the trees were cut and removed, Girdled- where the bark was stripped from the base of the trees killing them and leaving them standing, and Control- where the trees were left alive. After this simulated disturbance in 2015, we monitored changes in vegetation along an elevation gradient in control and treatment areas to determine if disturbance can lead... Categories: Data; Tags: Ecology, Inundation, USGS Science Data Catalog (SDC), Upper Chesapeake Bay, coastal submergence, All tags... utilitiesCommunication, wetland, Fewer tags