Filters: partyWithName: Richard H Day (X) > partyWithName: Nicholas M Enwright (X)

Folder: ROOT ( Show direct descendants )

Location Folder Show Tree ROOT ScienceBase Catalog Users Filters Date Range Past year (15) Past month (1) Past week (0) Past day (0) Custom range... To   Search Extensions Shapefile (3) Citation (1) Types Citation (5) Downloadable (3) Map Service (3) OGC WFS Layer (3) OGC WMS Layer (3) Shapefile (3) Contacts Michael J Osland U.S. Geological Survey - ScienceBase U.S. Geological Survey Wetland and Aquatic Research Center Ecosystems More... Categories Data (7) Publication (1) Tag Types Theme (20) Place (20) USGS Scientific Topic Keyword (15) Harvest Set (16) Water, Coasts and Ice (5) Label (5) Science Themes (5) More... Tag Schemes None (9) Common geographic areas (13) Geographic Names Information System (3) ISO 19115 Topic Category (16) USGS Thesaurus (9) USGS Biocomplexity Thesaurus (3) https://www.sciencebase.gov/vocab/category/NCCWSC/WaterCoastsandIce (5) More... View Results as: JSON ATOM CSV Browse Folder

Rapidly changing range limits in a warming world: Critical data limitations and knowledge gaps for advancing understanding of mangrove range dynamics in the Southeastern USA Abstract (from Springer): Climate change is altering species’ range limits and transforming ecosystems. For example, warming temperatures are leading to the range expansion of tropical, cold-sensitive species at the expense of their cold-tolerant counterparts. In some temperate and subtropical coastal wetlands, warming winters are enabling mangrove forest encroachment into salt marsh, which is a major regime shift that has significant ecological and societal ramifications. Here, we synthesized existing data and expert knowledge to assess the distribution of mangroves near rapidly changing range limits in the southeastern USA. We used expert elicitation to identify data limitations and highlight knowledge gaps for... Categories: Publication; Types: Citation Modeling barrier island habitats using landscape position information for Dauphin Island, Alabama Barrier islands provide important ecosystem services, including storm protection and erosion control to the mainland, habitat for fish and wildlife, and tourism (Barbier and others, 2011; Feagin and others, 2010). These islands tend to be dynamic due to their location along the estuarine-marine interface. Besides gradual changes caused by constant forces, such as currents and tides, barrier islands face numerous threats including hurricanes, accelerated sea-level rise, oil spills, and anthropogenic impacts (Pilkey and Cooper, 2014). These threats are likely to influence the future of barrier islands in the latter part of the 21st century, especially as climate-related threats to coastal areas are expected to increase... Tags: Ecology, Geography, Geomorphology, Gulf of Mexico, Lower Alabama, All tags... Mobile, Monte Carlo, Remote Sensing, USGS Science Data Catalog (SDC), barrier island, dune, elevation, environment, geoscientificInformation, lidar, vertical uncertainty, Fewer tags Sea-level rise and high tide flooding inundation probability and depth statistics in Nassau and Duval Counties, Florida This dataset includes elevation-based probability and depth statistics for estimating inundation under various sea-level rise and high tide flooding scenarios in and around the National Park Service’s Timucuan Ecological and Historic Preserve. These datasets were developed using 1-m digital elevation model (DEM) from 2018 with reduced elevation error in coastal wetlands (McHenry and others, 2023). This data release includes results from analyses of two local sea-level rise scenarios for two-time steps — the Intermediate-Low and Intermediate-High for 2050 and 2100 from Sweet and others (2022). Additionally, this data release includes maps of inundation probability under the minor, moderate, and major high tide flooding... Tags: Duval, Ecology, Florida, Geography, Nassau, All tags... National Park Service South Atlantic-Gulf Region, Remote Sensing, Timucuan Ecological and Historical Preserve, USGS Science Data Catalog (SDC), United States, biota, environment, health, wetland ecosystems, Fewer tags Sea-level rise and high tide flooding inundation probability and depth statistics at San Juan National Historic Site, Puerto Rico This dataset includes elevation-based probability and depth statistics for estimating inundation under various sea-level rise and high tide flooding scenarios in and around the National Park Service’s San Juan National Historic Site. These datasets were developed using 1-m digital elevation model (DEM) from the 3D Elevation program. This data release includes results from analyses of two local sea-level rise scenarios for two-time steps — the Intermediate-Low and Intermediate-High for 2050 and 2100 from Sweet and others (2022). Additionally, this data release includes maps of inundation probability under the minor, moderate, and major high tide flooding thresholds defined by the National Oceanic and Atmospheric... Tags: Ecology, Geography, National Park Service South Atlantic-Gulf Region, Puerto Rico, Remote Sensing, All tags... San Juan Island National Historical Park, USGS Science Data Catalog (SDC), United States, biota, environment, health, wetland ecosystems, Fewer tags Sea-level rise and high tide flooding inundation probability and depth statistics at De Soto National Memorial, Florida This dataset includes elevation-based probability and depth statistics for estimating inundation under various sea-level rise and high tide flooding scenarios in and around the National Park Service’s De Soto National Memorial. These datasets were developed using 1-m digital elevation model (DEM) from the 3D Elevation program. This data release includes results from analyses of two local sea-level rise scenarios for two-time steps — the Intermediate-Low and Intermediate-High for 2050 and 2100 from Sweet and others (2022). Additionally, this data release includes maps of inundation probability under the minor, moderate, and major high tide flooding thresholds defined by the National oceanic and Atmospheric Administration... Tags: De Soto, Ecology, Florida, Geography, National Park Service South Atlantic-Gulf Region, All tags... Remote Sensing, USGS Science Data Catalog (SDC), United States, biota, environment, health, wetland ecosystems, Fewer tags Linear and nonlinear effects of temperature and precipitation on ecosystem properties in tidal saline wetlands Tags: Forests, Grasslands and Plains, Landscapes, Publication, Sea-Level Rise and Coasts, All tags... Southeast CASC, Southeast CASC, Water, Coasts and Ice, Wetlands, biomass, canopy height, climate change, coastal wetland, mangrove forest, nonlinear, precipitation, productivity, salt marsh, soil carbon, temperature, threshold, Fewer tags U.S. Gulf of Mexico coast (TX, MS, AL, and FL) Macroclimate Landscape and Climate Data (2013-2014) The northern Gulf of Mexico coast spans two major climate gradients and represents an excellent natural laboratory for developing climate-influenced ecological models. In this project, we used these zones of remarkable transition to develop macroclimate-based models for quantifying the regional responses of coastal wetland ecosystems to climate variation. In addition to providing important fish and wildlife habitat and supporting coastal food webs, these coastal wetlands provide many ecosystem goods and services including clean water, stable coastlines, food, recreational opportunities, and stored carbon. Our objective was to examine and forecast the effects of macroclimatic drivers on wetland ecosystem structure... Categories: Data; Types: Citation; Tags: Corpus Christi, Galveston, Grand Bay, Gulf of Mexico, Laguna Madre, All tags... Port Aransas, San Antonio, Sea-Level Rise and Coasts, Slidell, South Central CASC, State of Alabama, State of Florida, State of Louisiana, State of Mississippi, State of Texas, Tampa Bay, Ten Thousand Islands, Water, Coasts and Ice, Weeks Bay, Wetlands, climate, climate, elevation, elevation, landscape, landscape, latitude, latitude, longitude, longitude, Fewer tags U.S. Gulf of Mexico coast (TX, MS, AL, and FL) Macroclimate Vegetation Data Section 1 (2013-2014) The northern Gulf of Mexico coast spans two major climate gradients and represents an excellent natural laboratory for developing climate-influenced ecological models. In this project, we used these zones of remarkable transition to develop macroclimate-based models for quantifying the regional responses of coastal wetland ecosystems to climate variation. In addition to providing important fish and wildlife habitat and supporting coastal food webs, these coastal wetlands provide many ecosystem goods and services including clean water, stable coastlines, food, recreational opportunities, and stored carbon. Our objective was to examine and forecast the effects of macroclimatic drivers on wetland ecosystem structure... Categories: Data; Types: Citation; Tags: Corpus Christi, Galveston, Grand Bay, Gulf of Mexico, Laguna Madre, All tags... Port Aransas, San Antonio, Sea-Level Rise and Coasts, Slidell, South Central CASC, State of Alabama, State of Florida, State of Louisiana, State of Mississippi, State of Texas, Tampa Bay, Ten Thousand Islands, Water, Coasts and Ice, Weeks Bay, Wetlands, environment, vegetation, vegetation, Fewer tags Sea-level rise and high tide flooding inundation probability and depth statistics at Biscayne National Park, Florida This dataset includes elevation-based probability and depth statistics for estimating inundation under various sea-level rise and high tide flooding scenarios in and around the National Park Service’s Biscayne National Park. For information on the digital elevation model (DEM) source used to develop these datasets refer to the corresponding spatial metadata file (Danielson and others, 2023). This data release includes results from analyses of two local sea-level rise scenarios for two-time steps — the Intermediate-Low and Intermediate-High for 2040 and 2080 from Sweet and others (2022). Additionally, this data release includes maps of inundation probability under the minor, moderate, and major hight tide flooding... Tags: Biscayne National Park, Ecology, Florida, Geography, National Park Service South Atlantic-Gulf Region, All tags... Remote Sensing, USGS Science Data Catalog (SDC), United States, biota, environment, health, wetland ecosystems, Fewer tags Sea-level rise and high tide flooding inundation probability and depth statistics at Big Cypress National Preserve, Florida This dataset includes elevation-based probability and depth statistics for estimating inundation under various sea-level rise and high tide flooding scenarios in and around the National Park Service’s Big Cypress National Preserve. For information on the digital elevation model (DEM) source used to develop these datasets refer to the corresponding spatial metadata file (Danielson and others, 2023). This data release includes results from analyses of two local sea-level rise scenarios for two-time steps — the Intermediate-Low and Intermediate-High for 2050 and 2100 from Sweet and others (2022). Additionally, this data release includes maps of inundation probability under the minor, moderate, and major high tide flooding... Tags: Big Cypress National Preserve, Ecology, Florida, Geography, National Park Service South Atlantic-Gulf Region, All tags... Remote Sensing, USGS Science Data Catalog (SDC), United States, biota, environment, health, wetland ecosystems, Fewer tags Landscape position-based habitat modeling for the Alabama Barrier Island feasibility assessment at Dauphin Island A barrier island habitat prediction model was used to forecast barrier island habitats (for example, beach, dune, intertidal marsh, and woody vegetation) for Dauphin Island, Alabama, based on potential island configurations associated with a variety of restoration measures and varying future conditions of storminess and sea-levels. In this study, we loosely coupled a habitat model framework with decadal hydrodynamic geomorphic model outputs to forecast habitats for 2 potential future conditions related to storminess (that is, "medium" storminess and "high" storminess based on storm climatology data) and 4 sea-level scenarios (that is, a "low" increase in sea level 0.3 m by around 2030 and 2050 and 1.0 m by around... Tags: Dauphin Island, Geography, Geomorphology, Mobile, USGS Science Data Catalog (SDC), All tags... barrier flat, barrier islands, beach, coastal wetlands, dune, environment, geocomputation, geoscientificInformation, habitat change, habitat model, imageryBaseMapsEarthCover, machine learning, marsh, meadow, remote sensing, woody vegetation, Fewer tags Mangrove distribution in the southeastern United States in 2021 Global climate change is leading to large-scale shifts in species’ range limits. For example, rising winter temperatures are shifting the abundance and distributions of tropical, cold sensitive plant species towards higher latitudes. Coastal wetlands provide a prime example of such shifts, with tropical mangrove forests expanding into temperate salt marshes as winter warming alleviates past geographic limits set by cold intolerance. These rapid changes are dynamic and challenging to monitor, and uncertainty remains regarding the extent of mangrove expansion near poleward range limits. Here, we synthesized existing datasets and expert knowledge to assess the current (i.e., 2021) distribution of mangroves near dynamic... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alabama, Botany, Ecology, Florida, Gulf of Mexico, All tags... Land Use Change, Louisiana, Mississippi, North America, Texas, USGS Science Data Catalog (SDC), United States, ecology, ecosystem monitoring, effects of climate change, mangrove forests, range limits, Fewer tags Sea-level rise and high tide flooding inundation probability and depth statistics at Dry Tortugas National Park, Florida This dataset includes elevation-based probability and depth statistics for estimating inundation under various sea-level rise and high tide flooding scenarios in and around the National Park Service’s Dry Tortugas National Park. These datasets were developed using digital elevation model (DEM) from National Oceanic and Atmospheric Administration (NOAA). This data release includes results from analyses of two local sea-level rise scenarios for two-time steps — the Intermediate-Low and Intermediate-High for 2050 and 2100 from Sweet and others (2022). Additionally, this data release includes maps of inundation probability under the minor, moderate, and major high tide flooding thresholds defined by NOAA. We estimated... Tags: Dry Tortugas National Park, Ecology, Florida, Geography, National Park Service South Atlantic-Gulf Region, All tags... Remote Sensing, USGS Science Data Catalog (SDC), United States, environment, health, wetland ecosystems, Fewer tags Corrected digital elevation model in coastal wetlands in Nassau and Duval Counties, Florida, 2018 High-resolution elevation data provide a foundational layer needed to understand regional hydrology and ecology under contemporary and future-predicted conditions with accelerated sea-level rise. While the development of digital elevation models (DEMs) from light detection and ranging data has enhanced the ability to observe elevation in coastal zones, the elevation error can be substantial in densely vegetated coastal wetlands. In response, we developed a machine learning model to reduce vertical error in coastal wetlands for a 1-m DEM from 2018 that covered Nassau and Duval Counties, Florida. Error was reduced by using a random forest regression model within situ observations and predictor variables from optical... Tags: Duval, Ecology, Florida, Geography, Nassau, All tags... Remote Sensing, South Atlantic, Timucuan Ecological And Historic Preserve, USGS Science Data Catalog (SDC), United States, coastal ecosystems, coastal elevation error reduction, digital elevation models, elevation, elevation error, geoscientificInformation, imageryBaseMapsEarthCover, machine learning, random forest regression model, wetland ecosystems, Fewer tags Wetland migration analysis for relative sea-level rise scenarios in Nassau and Duval Counties, Florida This dataset includes probabilistic outputs for estimating areal coverage of current wetland coverage and potential wetland migration under various relative sea-level rise scenarios in Nassau and Duval Counties, which includes the City of Jacksonville and the U.S. National Park Service's Timucuan Ecological and Historic Preserve. These data contain potential migration for regularly oceanic-flooded wetlands (that is, flooded by oceanic water daily) and irregularly oceanic-flooded wetlands (that is, flooded by oceanic water less frequently than daily). The products in this data release were created using an approach that involved digital elevation model error reduction in wetlands (that is, overestimation of elevation... Tags: Duval, Ecology, Florida, Land Use Change, Nassau, All tags... National Park Service South Atlantic-Gulf Region, Remote Sensing, Timucuan Ecological And Historic Preserve, USGS Science Data Catalog (SDC), United States, biota, environment, wetland ecosystems, Fewer tags U.S. Gulf of Mexico coast (TX, MS, AL, and FL) Macroclimate Soil Data (2013-2014) The northern Gulf of Mexico coast spans two major climate gradients and represents an excellent natural laboratory for developing climate-influenced ecological models. In this project, we used these zones of remarkable transition to develop macroclimate-based models for quantifying the regional responses of coastal wetland ecosystems to climate variation. In addition to providing important fish and wildlife habitat and supporting coastal food webs, these coastal wetlands provide many ecosystem goods and services including clean water, stable coastlines, food, recreational opportunities, and stored carbon. Our objective was to examine and forecast the effects of macroclimatic drivers on wetland ecosystem structure... Categories: Data; Types: Citation; Tags: Corpus Christi, Galveston, Grand Bay, Gulf of Mexico, Laguna Madre, All tags... Port Aransas, San Antonio, Sea-Level Rise and Coasts, Slidell, South Central CASC, State of Alabama, State of Florida, State of Louisiana, State of Mississippi, State of Texas, Tampa Bay, Ten Thousand Islands, Water, Coasts and Ice, Weeks Bay, Wetlands, bulk density, bulk density, environment, environment, moisture, soil, soil, soil organic matter, soil organic matter, Fewer tags The impact of lidar elevation uncertainty on mapping intertidal habitats on barrier islands These data represent low-lying lands and intertidal lands on Dauphin Island, Alabama, USA for January 2015. These data were delineated using airborne lidar elevation data, in situ elevation observations, lidar metadata, and tide gauge information. We applied Monte Carlo simulations to incorporate uncertainty into a digital elevation model and produce probabilistic outputs with regards to elevation relative to tide and water levels. Specifically, these include three error treatments, including leaving error untreated, and treating error via simulating the propagation of error using Monte Carlo simulations with error and bias estimates from the lidar metadata and site-specific Real-time Kinematic Global Position System... Tags: Dauphin Island, Ecology, Geography, Geomorphology, Gulf of Mexico, All tags... Mobile, Monte Carlo, Remote Sensing, USGS Science Data Catalog (SDC), barrier island, elevation, environment, intertidal wetland, lidar, uncertainty, Fewer tags Barrier island habitat map and vegetation survey, Dauphin Island, AL, 2015 This dataset includes barrier island land cover types collected from mid-November 2015 to mid-December 2015 along randomly placed transects at seven sites throughout the east end of Dauphin Island. Specifically, this data collection included characterizing land cover types and measuring horizontal position and elevation. We characterized plant community composition and structure for a subset of these points (see Vegetation Survey Data Table). This work was conducted through a joint effort by the State of Alabama, the U.S. Geological Survey, and the U.S. Army Corps of Engineers to evaluate the feasibility of various restoration alternatives and how specific alternatives might increase the resiliency and sustainability... Types: Citation; Tags: Alabama, Dauphin Island, Gulf of Mexico, Mississippi Sound, Mobile Bay, All tags... USGS Science Data Catalog (SDC), barrier island, beach, biota, coastal dune, coastal wetland, elevation, environment, mapping, mobile county, vegetation community, Fewer tags Point data Macroclimatic drivers, such as temperature and rainfall regimes, greatly influence ecosystem structure and function in tidal saline wetlands. Understanding the ecological influence of macroclimatic drivers is important because it provides a foundation for anticipating the effects of climate change. Tidal saline wetlands include mangrove forests, salt marshes, and salt flats, which occupy similar geomorphic settings but different climatic regimes. However, most global- or regional-scale analyses have treated these wetlands as independent systems. Here we used climate and literature-derived ecological data from all three systems, collected across targeted regional-scale macroclimatic gradients, to test hypotheses... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: None, above-ground biomass, canopy height, climate change, climate gradients, All tags... climatic drivers, climatic thresholds, ecological thresholds, environment, mangrove forests, productivity, rainfall, salt flats, salt marshes, soil carbon, temperature, Fewer tags Mangrove damage along northern Gulf of Mexico from extreme freeze event on February 2021 Climate change is altering the frequency and intensity of extreme weather events. Quantifying ecosystem responses to extreme events at the landscape scale is critical for understanding and responding to climate-driven change but is constrained by limited data availability. Here, we integrated remote sensing with ground-based observations to quantify landscape-scale vegetation damage from an extreme climatic event. We used ground- and satellite-based black mangrove (Avicennia germinans) leaf damage data from the northern Gulf of Mexico (USA and Mexico) to examine the effects of an extreme freeze in a region where black mangroves are expanding their range. The February 2021 event produced coastal temperatures as low... Categories: Data; Tags: Avicennia germinans, Ecology, Florida, Gulf of Mexico, Land Use Change, All tags... Louisiana, Sentinel-2, Texas, USGS Science Data Catalog (SDC), biota, ecological threshold, extreme freeze, mangroves, range limit, remote sensing, Fewer tags 1 2 »