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Long-term soil carbon data and accretion from four marsh types in Mississippi River Delta in 2015 The Mississippi River Deltaic Plain has extensive marsh habitats (fresh, intermediate, brackish, and saline) where soil cores were collected to a depth of 100 cm at 24 sites to assess long-term carbon accumulation rates and coast-wide burial rates. Each core was sectioned into 2-cm depth intervals, and select intervals were analyzed for percent moisture, bulk density, total carbon, and radionuclide (137Cs and 210Pb). Categories: Data; Tags: Land Use Change, Louisiana, Organic Detritus, Soil Sciences, USGS Science Data Catalog (SDC), All tags... carbon sequestration, salinity, soil, wetland ecosystems, Fewer tags Federal Lands Greenhouse Gas Emissions and Sequestration in the United States: Estimates 2005-14 - Data Release This dataset includes ten years of emissions and sequestration estimates (2005-2014) in two separate tables, 1) the combustion and extraction of fossil fuels on Federal lands and 2) processes from the ecosystems on those Federal lands. The fossil fuel related estimates include the greenhouse gases carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O), and the ecosystems estimates include only CO2. The results are presented by State and year, including the Pacific and Gulf offshore areas in the fossil fuel associated estimates. In addition to total emissions, the estimates are broken into categories by the sector of the economy where the combustion or extraction related emissions occurred or the biologic process... Categories: Data; Tags: Climatology, Energy Resources, Environmental Health, USGS Science Data Catalog (SDC), United States of America, All tags... air pollution, atmospheric composition, carbon, carbon sequestration, ecosystems, energy resources, fires, greenhouse gases, industrial pollution, land use land cover, natural resource extraction, transportation, Fewer tags Management of remnant tallgrass prairie by grazing or fire in western Minnesota, 2016-2017 We studied the impacts of using cattle grazing or prescribed fire to manage remnant prairies on plant communities and soil characteristics in the prairie parkland province of western Minnesota. These datasets consist of nested frequency plot plant survey data, study site and soil characteristics, and management information taken from 73 sites owned and managed by the U.S. Fish and Wildlife Service, Minnesota Department of Natural Resources, The Nature Conservancy and private land owners. Because management effects can take many years to become evident, we evaluated response variables on remnant prairies that had been subject to either fire or grazing for at least 10 years prior to our surveys, between 2005-2015. Categories: Data; Tags: Carbon sequestration, Cattle grazing, Grassland management, Minnesota, Prescribed fires, All tags... Species richness, Tallgrass prairies, USGS Science Data Catalog (SDC), biota, coefficient of conservatism, grassland ecosystems, nitrogen cycling, Fewer tags Short term soil carbon data and accretion rates from four marsh types in Mississippi River Delta collected in 2015 Short-term carbon accumulation rates were examined by collecting 10-cm deep soil cores at 24 sites located in marshes spanning the salinity gradient in coastal Louisiana. Percent moisture, bulk density, total carbon content, and the short-term accretion rates obtained with feldspar horizon markers were measured to determine total carbon accumulation and storage rates. Categories: Data; Tags: Land Use Change, Louisiana, Organic Detritus, Soil Sciences, USGS Science Data Catalog (SDC), All tags... carbon sequestration, salinity, soil, wetland ecosystems, 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 Chemical characterization of water and suspended sediment of the Snake River and Hells Canyon Complex (Idaho, Oregon) (ver. 3.0, November 2023) This dataset includes laboratory analyses of surface water samples and sediment trap material collected from (1) locations upstream, downstream, and within the Hells Canyon Complex (Idaho, Oregon) of the Snake River, (2) tributaries of the Snake River, and (3) two reservoirs near Boise, Idaho, from 2014 to 2022. The study area spans approximately 232 river miles of the Snake River and includes: two sites on the main stem of the Snake River upstream of the Hells Canyon Complex (Snake River mile 447.6, 399.0, and 345.6), six sites within Brownlee Reservoir (Snake River mile 318, 314, 310, 305, 300, and 286), one site within Oxbow Reservoir (Snake River mile 273), two sites within Hells Canyon Reservoir (Snake River... Categories: Data; Tags: Brownlee Dam, Hells Canyon, Idaho, Oregon, Oxbow Dam, All tags... Snake River, USGS Science Data Catalog (SDC), aquatic ecosystems, bioaccumulation, carbon, carbon cycling, carbon sequestration, chemical analysis, contamination and pollution, dissolved metals, dissolved organic compounds, ecosystem management, ecotoxicology, geochemistry, hydrology, limnology, mercury, mercury contamination, methylmercury, nutrient content (water), surface water quality, water chemistry, water properties, water sampling, wetlands, Fewer tags Carbon assessment of Taxodium distichum knees in Mississippi River Alluvial Valley (2004) Estimates of the biomass of the knees of baldcypress (Taxodium distichum), and oddly shaped, difficult to quantify vegetation components, can be critical to improve estimates of carbon stock in blue carbon assessments. To this end, tree metrics (e.g., density, height, biomass) were examined in 2004 at mixed baldcypress swamps across the Mississippi River Alluvial Valley (MRAV) from Illinois to Louisiana. Biomass of knees was estimated using the point-centered quarter method and volume/mass regressions calculated from measurements of knee height and diameter of the base of knees. Categories: Data; Tags: Botany, Cache River State Natural Area, Cat Island National Wildlife Refuge, Dale Bumpers White River National Wildlife Refuge, Deer Pond Nature Preserve, All tags... Ecology, Hillside National Wildlife Refuge, Lake Isom National Wildlife Refuge, Morgan Brake National Wildlife Refuge, Reelfoot National Wildlife Refuge, Tensas National Wildlife Refuge, USGS Science Data Catalog (SDC), carbon cycling, carbon sequestration, Fewer tags Sediment carbon, submerged aquatic vegetation and environmental variables in deltaic southeast Louisiana (2015-2016) These present data on sediment carbon within submerged aquatic vegetation beds from fresh to saline coastal locations in Barataria Bay, Louisiana. Water quality, site location, vegetation biomass and species composition are presented. This project was co-funded by the Gulf Coast Prairie and the Gulf Coastal Plains and Ozarks Landscape Conservation Cooperatives and the South Central Climate Adaptation Science Center. An alternate reference to this product can be found here: https://doi.org/10.5066/F7QZ2853. Categories: Data; Tags: Academics & scientific researchers, BIOSPHERE, BIOSPHERE, COASTAL, COASTAL, All tags... Conservation NGOs, EARTH SCIENCE, EARTH SCIENCE, ECOSYSTEMS, ECOSYSTEMS, Federal resource managers, LCC Network Science Catalog, Louisiana Coastal, MARINE ECOSYSTEMS, MARINE ECOSYSTEMS, SAV/SEA GRASS BED, SAV/SEA GRASS BED, State agencies, aquatic vegetation, carbon sequestration, coastal ecosystems, coastal zones, completed, nonGeographicDataset, oceans, salinity, Fewer tags Historic Simulation of Net Ecosystem Carbon Balance for the Great Dismal Swamp Estimating ecosystem carbon (C) balance relative to natural disturbances and land management strengthens our understanding of the benefits and tradeoffs of carbon sequestration. We conducted a historic model simulation of net ecosystem C balance in the Great Dismal Swamp, VA. for the 30-year time period of 1985-2015. The historic simulation of annual carbon flux was calculated with the Land Use and Carbon Scenario Simulator (LUCAS) model. The LUCAS model utilizes a state-and-transition simulation model coupled with a carbon stock-flow accounting model to estimate net ecosystem C balance, and long term sequestration rates under various ecological conditions and management strategies. The historic model simulation... Categories: Data; Types: Citation; Tags: Geography, Great Dismal Swamp, Virginia, LUCAS model, USGS Science Data Catalog (SDC), biota, All tags... carbon sequestration, net ecosystem carbon balance, peatland restoration, Fewer tags Soil properties and greenhouse gas fluxes of Prairie Pothole Region wetlands: a comprehensive data release This data release encompass numerous studies examining soil properties and greenhouse gas fluxes of Prairie Pothole Region (PPR) wetland catchments. The PPR is one of the largest wetland ecosystems in the world, encompassing approximately 770,000 square kilometers of the north-central U.S. and south-central Canada, with the U.S. portion including parts of Iowa, Minnesota, South Dakota, North Dakota, and Montana. The data included in this release span a 19-year period (1997–2016) and represent a diversity of studies ranging from localized (e.g., wetland catchments and complexes) to region-wide efforts that span the PPR’s climate and land-use gradient. Data from individual wetland catchments encompass a variety of... Categories: Data; Types: Citation; Tags: Iowa, Minnesota, Montana, North Dakota, Prairie Pothole Region, All tags... South Dakota, USGS Science Data Catalog (SDC), United States of America, carbon cycling, carbon sequestration, environment, greenhouse gases, inlandWaters, wetland ecosystems, Fewer tags Biomass Field Plot dataset: Tidal marsh biomass field samples for six regions in the conterminous United States 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; 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, aboveground carbon stocks, multispectral imagery, plant functional type, tidal marsh biomass, wetlands, Fewer tags Mercury injection capillary pressure data in the U.S. Gulf Coast Tuscaloosa Group in Mississippi and Louisiana collected 2015 to 2017 This data release contains mercury injection capillary pressure (MICP), pseudo-wetting saturation, and carbon dioxide (CO2) column height data for subsurface Tuscaloosa Group samples from Mississippi and Louisiana. Categories: Data; Tags: Adams County, Amite County, CO2 column, East Feliciana Parish, Energy Resources, All tags... Franklin County, Geochemistry, Lincoln County, Louisiana, Mississippi, Pike County, Structural Geology, Tensas Parish, USGS Science Data Catalog (SDC), Walthall County, West Feliciana Parish, Wilkinson County, carbon sequestration, enhanced oil recovery, geologic sequestration, mercury injection capillary pressure, permeability, porosity, seal capacity, seal evaluation, seal integrity, shale, Fewer tags Sediment carbon, submerged aquatic vegetation and environmental variables in deltaic southeast Louisiana (2015-2016) These present data on sediment carbon within submerged aquatic vegetation beds from fresh to saline coastal locations in Barataria Bay, Louisiana. Water quality, site location, vegetation biomass and species composition are presented. This project was co-funded by the South Central Climate Adaptation Science Center and the Gulf Coast Prairie Landscape Conservation Cooperative and Gulf Coastal Plains and Ozarks LCC. An alternate reference to this product can be found here. Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Aquatic Biology, Louisiana Coastal, Plants, Sea-Level Rise and Coasts, South Central CASC, All tags... USGS Science Data Catalog (SDC), Water, Coasts and Ice, Wetlands, Wildlife and Plants, aquatic vegetation, carbon sequestration, coastal ecosystems, coastal zones, oceans, salinity, Fewer tags