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Carbon assessment of Taxodium distichum knees in Mississippi River Alluvial Valley (2004) 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...
Raw Pin Data from Rod Surface-Elevation Table (rSET) Measurements and Water Level Data at Specified Locations along Monks and Swaderick Creeks, Aberdeen Proving Ground, Maryland, 2018-2019 Raw Pin Data from Rod Surface-Elevation Table (rSET) Measurements and Water Level Data at Specified Locations along Monks and Swaderick Creeks, Aberdeen Proving Ground, Maryland, 2018-2019
This metadata record contains a shapefile of site locations and 3 tables used to assess wetland elevation change over time and the long-term effects of sea-level rise to vulnerable tidal wetlands along the Edgewood peninsula of Aberdeen Proving Ground, Maryland. Included in the dataset are raw pin measurements of wetland sediment elevation and water levels measured for selected sites...
Time Series Electromagnetic Induction-Log Datasets, Including Logs Collected through the 2018 Water Year in South Florida Time Series Electromagnetic Induction-Log Datasets, Including Logs Collected through the 2018 Water Year in South Florida
Time series electromagnetic induction-log (TSEMIL) datasets are collected from polyvinyl chloride (PVC) cased or uncased monitoring wells to evaluate changes in water conductivity over time. TSEMIL datasets consist of a series of individual electromagnetic induction logs collected at a frequency of months or years that have been compiled into a dataset by eliminating small uniform...
Aquatic community and environmental data for 14 rivers and streams in the Milwaukee Metropolitan Sewerage District Planning Area, 2004-13 Aquatic community and environmental data for 14 rivers and streams in the Milwaukee Metropolitan Sewerage District Planning Area, 2004-13
In 2004, 2007, 2010, and 2013, the U.S. Geological Survey sampled benthic algae and invertebrates, and fish to assess the condition of the aquatic communities and water quality in 14 wadable streams near Milwaukee, Wisconsin. Additional community sampling was also done at a subset of three sites in 2011 and 2012 to assess temporal variation. Selected environmental (physical and chemical)...
Soil-Water Balance model datasets used to estimate recharge for southeastern Minnesota, 2014-2018 Soil-Water Balance model datasets used to estimate recharge for southeastern Minnesota, 2014-2018
A previous soil-water balance (SWB) model [Smith and Westenbroek, 2015; http://dx.doi.org/10.3133/sir20155038) for Minnesota was updated to simulate potential recharge rates from 2014 to 2018. The previous model was developed to estimate mean annual potential recharge from 1995 to 2010. The updated model was also run with a newer version of the SWB model, also known as SWB version 2.0...
DRAINMOD simulations for two agricultural drainage sites in western Fillmore County, southeastern Minnesota DRAINMOD simulations for two agricultural drainage sites in western Fillmore County, southeastern Minnesota
DRAINMOD, a field-scale, process-based, distributed model (Skaggs, 1980; https://www.bae.ncsu.edu/agricultural-water-management/DRAINMOD/), was used to simulate subsurface drainage flow and field water-surface elevations. DRAINMOD simulations are often used to optimize drainage patterns for agricultural fields with subsurface drainage. For this study, the model results were also used to...
Potential groundwater recharge estimates based on a groundwater rise analysis technique for two agricultural sites in southeastern Minnesota, 2016-2018 Potential groundwater recharge estimates based on a groundwater rise analysis technique for two agricultural sites in southeastern Minnesota, 2016-2018
A water table fluctuation model simulated potential recharge rates from 2016 to 2018 for two agricultural sites in southeastern Minnesota. The model calculated potential recharge rates through the analysis of groundwater rises. A total of 42 piezometers were analyzed for this study using the water table fluctuation model. This methodology of calculating potential recharge rates was used...
Northeastern Illinois (NEIL) Six County Airborne Lidar Validation Survey Data Northeastern Illinois (NEIL) Six County Airborne Lidar Validation Survey Data
Airborne light detection and ranging (lidar) can provide high-quality topographic information over large areas. Lidar is an active remote sensing technology that employs laser ranging in near-infrared and green spectral wavelengths to provide three-dimensional (3D) point information for objects, including Earth's surface, vegetation, and infrastructure. The U.S. Geological Survey (USGS)...
Magnetotelluric and gravity data from the Northwest Geysers, California Magnetotelluric and gravity data from the Northwest Geysers, California
This dataset consists of 42 magnetotelluric (MT) stations collected in 2017 in the Northwest Geysers, CA and 534 gravity stations collected in 2017 and 2019. The U.S. Geological Survey acquired these data as part of a project to image the heat source in the Northwest Geysers. Support was from the U.S. Geological Survey's Volcano Hazards Program.
Time Series of Autonomous Carbonate System Parameter Measurements from Crocker Reef, Florida, USA Time Series of Autonomous Carbonate System Parameter Measurements from Crocker Reef, Florida, USA
This dataset contains carbonate system data collected by scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center to investigate the effects of carbon cycling, coastal and ocean acidification at Crocker Reef located along the Florida Keys Reef Tract, in Southeast Florida, USA. These data were collected using an autonomous instrument called the...
North Pacific Pelagic Seabird Database (NPPSD) North Pacific Pelagic Seabird Database (NPPSD)
The North Pacific Pelagic Seabird Database (NPPSD) is maintained by the USGS Alaska Science Center and includes survey transect data designed and conducted by numerous partners primarily to census seabirds at sea. The data provided here relate to observations of marine birds and mammals observed during at-sea surveys throughout the North Pacific including the Arctic Ocean, Beaufort Sea...
Chalk Cliffs Channel Surveys derived from Structure-from-Motion Chalk Cliffs Channel Surveys derived from Structure-from-Motion
This data release contains two point clouds derived from structure-from-motion photogrammetry. The first survey was conducted on 10 September 2015 and the second survey was conducted on 1 June 2016. Each survey was designed to capture a 35-meter channel reach using digital photos (1187 photos were taken in the first survey and 1085 photos were taken in the second survey). Twenty-five...