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Location Folder Show Tree ROOT _ScienceBase Catalog __Woods Hole Coastal and Marine Science Center Coastal Wetlands Synthesis Products Environmental Geochemistry and Wetland Science National Shoreline Change Data Catalog U.S. Geological Survey Hydrodynamic Model Simulations Filters Date Range Past year (2) Past month (1) Past week (0) Past day (0) Custom range... To   Search Types Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) OGC WMS Service (1) Contacts Woods Hole Coastal and Marine Science Center U.S. Geological Survey - ScienceBase Thomas W Brooks Adrian G Mann Kevin D Kroeger More... Categories Data (3) Tag Types Theme (4) Place (3) USGS Scientific Topic Keyword (4) Harvest Set (2) Tag Schemes None (1) USGS Thesaurus (1) Geographic Names Information System (GNIS) (1) Producer provided (1) Geographic Names Information System (1) ISO 19115 Topic Category (2) National Agricultural Library Thesaurus (1) More... View Results as: JSON ATOM CSV Browse Folder

Time-series of biogeochemical and flow data from a tidal salt-marsh creek, Sage Lot Pond, Waquoit Bay, Massachusetts, 2012-2016 (ver. 2.0, July 2023) Extended time-series sensor data were collected between 2012 and 2016 in surface water of a tidal salt-marsh creek on Cape Cod, Massachusetts. The objective of this field study was to measure water chemical characteristics and flows, as part of a study to quantify lateral fluxes of dissolved carbon species between the salt marsh and estuary. Data consist of in-situ measurements including: salinity, temperature, pH, dissolved oxygen, redox potential, fluorescent dissolved organic matter, turbidity and chlorophyll. Surface water flow, water level and water elevation data were also measured. The data provided in this release represent a compiled data set consisting of multiple sensor deployments between 2012 and 2016. Categories: Data, Data Release - Revised; Tags: Barnstable County, Cape Cod, Commonwealth of Massachusetts, Falmouth, Geochemistry, All tags... Marine Geology, Sage Lot Pond, Waquoit Bay, Water Quality, acoustic doppler current profiling, biochemistry, chlorophyll, dissolved organic matter, inlandWaters, low and intermediate salt marsh, oceans, salinity, salt marshes, surface-water level, time series datasets, turbidity, water chemistry, water properties, water quality, water temperature, wetland ecosystems, Fewer tags Geochemical data supporting investigation of solute and particle cycling and fluxes from two tidal wetlands on the south shore of Cape Cod, Massachusetts, 2012-19 (ver. 2.0, October 2022) Assessment of geochemical cycling within tidal wetlands and measurement of fluxes of dissolved and particulate constituents between wetlands and coastal water bodies are critical to evaluating ecosystem function, service, and status. The U.S. Geological Survey and collaborators collected surface water and porewater geochemical data from a tidal wetland located on the eastern shore of Sage Lot Pond in Mashpee, Massachusetts, within the Waquoit Bay National Estuarine Research Reserve, between 2012 and 2019. Additional porewater geochemical and field data from a tidal wetland on the eastern shore of Great Pond in East Falmouth, MA are also included. These data can be used to evaluate biogeochemical conditions and cycling... Categories: Data, Data Release - Revised; Tags: Climatology, Environmental Health, USGS Science Data Catalog (SDC) Massachusetts Shoreline Change Project, 2018 Update: A GIS Compilation of Shoreline Change Rates Calculated Using Digital Shoreline Analysis System Version 5.0, With Supplementary Intersects and Baselines for Massachusetts The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to inform management decisions regarding the erosion of coastal resources. In 2001, a shoreline from 1994 was added to calculate both long- and short-term shoreline change rates along ocean-facing sections of the Massachusetts coast. In 2013, two oceanfront shorelines for Massachusetts were added using 2008-9 color aerial orthoimagery and 2007 topographic lidar datasets obtained from the National Oceanic and Atmospheric Administration's Ocean Service, Coastal Services Center. This 2018 data release includes rates that incorporate... Categories: Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Accretion, Atlantic Coast, Baseline, CMGP, Coastal and Marine Geology Program, All tags... DSAS, Digital Shoreline Analysis System, Erosion, Esri polyline shapefile, Geomorphology, Historical Shoreline, LRR, Linear Regression Rate, Massachusetts, Massachusetts Office of Coastal Zone Management, New England, Shoreline, Shoreline Change Rate, Transect, U.S. Geological Survey, USGS, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, geoscientificInformation, long-term, oceans, short-term, Fewer tags Carbon dioxide and methane fluxes with supporting environmental data from coastal wetlands across Cape Cod, Massachusetts Saline tidal wetlands are important sites of carbon sequestration and produce negligible methane (CH4) emissions due to regular inundation with sulfate-rich seawater. Yet, widespread management of coastal hydrology has restricted vast areas of coastal wetlands to tidal exchange. These ecosystems often undergo impoundment and freshening, which in turn cause vegetation shifts like invasion by Phragmites, that affect ecosystem carbon balance. Understanding controls of carbon exchange in these understudied ecosystems is critical for informing climate consequences of blue carbon restoration and/or management interventions. Here we present measurements of net ecosystem exchange of carbon dioxide (CO2) and methane, along... Categories: Data Release - Revised; Tags: Geochemistry, carbon, ecological processes, ecology, invasive species, All tags... wetland ecosystems, wetland functions, Fewer tags Tidal marsh biomass field plot and remote sensing datasets for six regions in the conterminous United States (ver. 2.0, June 2020) Remote sensing based maps of tidal marshes, both of their extents and carbon stocks, have the potential to play a key role in conducting greenhouse gas inventories and implementing climate mitigation policies. Our objective was to generate a single remote sensing model of tidal marsh aboveground biomass and carbon that represents nationally diverse tidal marshes within the conterminous United States (CONUS). To meet this objective we developed the first national-scale dataset of aboveground tidal marsh biomass, species composition, and aboveground plant carbon content (%C) from six CONUS regions: Cape Cod, MA, Chesapeake Bay, MD, Everglades, FL, Mississippi Delta, LA, San Francisco Bay, CA, and Puget Sound, WA.... Categories: Data, Data Release - Revised; Tags: C-band synthetic aperture radar, Cape Cod, Carbon sequestration, Chesapeake Bay, Everglades National Park, All tags... National greenhouse gas inventory, Puget Sound, San Francisco Bay, St Mary Parish, Terrebonne Parish, USGS Science Data Catalog (SDC), aboveground carbon stocks, multispectral imagery, plant functional type, tidal marsh biomass, wetlands, Fewer tags