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These data quantify components of the carbon cycle within Big Cypress National Preserve in Florida. Continuous data time-series include net ecosystem exchange of carbon dioxide, methanogenesis, and soil bulk density.
This U.S. Geological Survey Data Release provides water-quality data collected during 1-week and 2-week nutrient studies beginning on February 22, May 17, and July 26 located in the Caloosahatchee River at the S-79 water-control structure. For each study period, 12 fiberglass tanks were suspended in the river using three floating cradles with each cradle holding four tanks. Each tank was open to the atmosphere and closed to the river. The tanks were filled with native water during the first day of each study period. Four different treatment methods were represented within each cradle. For all three study periods, two of the four treatments remained constant: ammonium hydroxide and untreated. For the 1-week study...
Potential evapotranspiration (PET), and reference evapotranspiration (ETo) are estimated at an approximately 2-kilometer (approximately 0.019 degrees longitude and 0.018 degrees latitude) spatial grid and daily time-scale from January 1, 2019 to December 31, 2019 for the entire State of Florida. PET and ETo were computed on the basis of solar radiation, meteorological data (minimum/maximum temperature, minimum/maximum relative humidity, and mean wind speed at 2-meter height), and shortwave blue-sky albedo data for 2019. Solar radiation was computed from Geostationary Operational Environmental Satellite (GOES) sensor data; blue-sky albedo was computed from the Moderate Resolution Imaging Spectrometer (MODIS) MCD43A1...
Multibeam sonar data showing the bathymetric survey of two offshore submarine pockmarks, Miami Pockmark and Key Biscayne Pockmark. A series of dives were performed to produce the bathymetric surveys using an autonomous underwater vehicle (AUV) with a multibeam-sonar. These data were collected between May 5-8, 2016 using a Bluefin B12 AUV equipped with a Imagenex MBDelta and an onboard calibrated Kearfott T-24 Inertial Navigation System (INS) aided by a (WAAS), 600 kHz RDI Doppler Velocity Log (DVL) and a Valeport sound velocity meter.
The U.S. Geological Survey (USGS), in cooperation with Miami-Dade County, mapped the approximate inland extent of saltwater intrusion in eastern Miami-Dade County in 2018. This approximation required acquisition and compilation of relevant data collected by the organizations: Florida Department of Environmental Protection (FDEP), Florida Keys Aqueduct Authority (FKAA), Florida Power & Light Company (FPL), MacVicar Consulting Inc., Miami-Dade County Regulatory and Economic Resources (MD-RER), the South Florida Water Management District (SFWMD), and the USGS. Data from the selected monitoring wells were entered into a geographic information system (GIS) for analysis and mapping. The approximate saltwater interface...
Methane, nitrogen, oxygen, and carbon dioxide data were collected at two offshore submarine pockmarks, Miami Pockmark and Key Biscayne Pockmark. A series of dives were performed to gather the data using an autonomous underwater vehicle (AUV) with an Underwater Mass Spectrometer (UMS) instrument. The data were collected May 5-8, 2016 using a Bluefin B12 AUV equipped with a UMS and an onboard calibrated Kearfott T-24 Inertial Navigation System (INS) aided by a GPS Wide Area Augmentation System (WAAS), 600 kHz RDI Doppler Velocity Log (DVL) and a Valeport sound velocity meter. The methane, nitrogen, oxygen, and carbon dioxide data collected from Miami Pockmark and Key Biscayne Pockmark are displayed in figures 1-8.
The dataset includes a table in comma delimited format of daily evapotranspiration (ET) from 1/1/2021 to 12/31/2021 from an ET station within the Blue Cypress Marsh Conservation Area, near Vero Beach, Florida. Evapotranspiration was estimated using eddy-covariance methods and missing sub-daily (30-minute) and daily ET records were gap-filled with a version of the Turc equation (Trajkovic and Kolakovic, 2009) that was regressed against observed values of eddy-covariance ET. The Turc equation performed well (r-squared value of 0.94 and 0.63 for daily and 30-minute values, respectively) for reproducing observed daily ET rates. Daily ET values estimated with the Turc equation are identified by a column with a "T" value...
Categories: Data;
Tags: Blue Cypress Marsh Conservation Area,
Evapotranspiration,
Florida,
Hydrology,
USA,
Bias-corrected daily precipitation at 1-kilometer (km) scale is provided for Puerto Rico. The Weather Research and Forecasting (WRF) model was used by Bowden and others (2018) to dynamically downscale the Centre National de Recherches Meteorologiques-CERFACS (CNRM) model for the future projection period 2040–60. Total hourly precipitation data (convective plus non-convective) for the innnermost domain in Bowden and others (2018; their domain 3) was aggregated to a daily timestep and then bias-corrected using Multiplicative Quantile Delta Mapping (MQDM; Cannon and others, 2015) with Daymet v4 as the observational gridded precipitation dataset (Thornton and others, 2020). The bias-corrected daily precipitation data...
Categories: Data;
Types: NetCDF OPeNDAP Service;
Tags: Puerto Rico,
Puerto Rico,
climatologyMeteorologyAtmosphere,
precipitation,
precipitation (atmospheric),
The GIS shapefile and summary table provide irrigated agricultural land-use for Hillsborough County, Florida through a cooperative project between the U.S Geological Survey (USGS) and the Florida Department of Agriculture and Consumer Services (FDACS), Office of Agricultural Water Policy. Information provided in the shapefile includes the location of irrigated land field-verified between November 2017 and September 2018, crop type, irrigation system type, and primary water source used in Hillsborough County, Florida. A map in pdf format is provided to illustrate shapefile information for the county. First posted March 12, 2019 Revised May 20, 2019, ver.1.1
Categories: Data Release - Revised;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Land Use Change,
USGS Science Data Catalog (SDC),
Water Quality
The GIS shapefile and spreadsheet tables show the 2016 agriculture irrigated land use for Escambia, Santa Rosa, and Okaloosa Counties developed through a cooperative project between the U.S. Geological Survey (USGS) and the Florida Department of Agriculture and Consumer Services (FDACS), Office of Agricultural Water Policy. Information provided in this layer includes crop type, irrigation system type, and primary water source for all irrigated land within these three counties.
Categories: Data;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: USGS Science Data Catalog (SDC)
Seismic-reflection profiles were collected in the northern part of Lake Okeechobee as part of a study to refine the hydrogeology of the Floridan Aquifer System in the area. The dataset consists of eleven 2D lines and a one-square mile 3D survey. A total of 53 miles of 2D lines were collected on land, on canals, and on the lake. The 3D survey was completed in the north-central part of the lake. 2D lines were acquired between February and August 2020. The 3D survey was acquired in January 2021.
Categories: Data;
Tags: Florida,
Geophysics,
Lake Okeechobee,
Stratigraphy,
USGS Science Data Catalog (SDC),
The study of Whiting Field Naval Air Station, Milton Florida requires numerical modeling of the groundwater system to determine the fate of contaminants released at the air station in previous decades. The MODFLOW-NWT modeling code (Niswonger and others, 2011) was applied for this purpose with field data defining a number of inputs including aquifer properties and timeseries. Lithologic logs were used to define aquifer material types and estimated hydraulic conductivities were redistributed based on these logs. Net recharge (precipitation minus evapotranspiration) is the primary flow input to the model and stream leakage is the primary flow output. The resulting model simulation has a grid spacing of 100 feet with...
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