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2012 Geomagnetic Repeat Station Data 2012 Geomagnetic Repeat Station Data
This data release consists of Magnetic Repeat Station data collected at three different sites in the central United States. One site is in Fremont, NE, the other two are in Hereford and Del Rio, TX. Repeat Stations are temporary magnetic installations, where the Earth's magnetic field, or geomagnetic field, is measured for several days, with the goal of producing mean values of the...
MODFLOW 6 and MODPATH 7 model data sets used to evaluate groundwater flow in the vicinity of Horsham and Warminster, Bucks and Montgomery Counties, Pennsylvania-Preliminary simulations for conditions in 1999, 2010, 2013, 2016, and 2017 MODFLOW 6 and MODPATH 7 model data sets used to evaluate groundwater flow in the vicinity of Horsham and Warminster, Bucks and Montgomery Counties, Pennsylvania-Preliminary simulations for conditions in 1999, 2010, 2013, 2016, and 2017
In cooperation with the U.S. Navy, USGS developed and calibrated a numerical MODFLOW 6 model to simulate regional groundwater flow under selected conditions during 1999-2017 at and near the former Willow Grove Naval Air Station Joint Reserve Base in Horsham, Montgomery County and the former Naval Air Warfare Center Warminster in Bucks County, Pennsylvania. The model simulations provide...
Sediment macrofaunal composition and sediment geochemistry of deep-sea coral habitats after the Deepwater Horizon oil spill in the Gulf of Mexico, 2010-2016 Sediment macrofaunal composition and sediment geochemistry of deep-sea coral habitats after the Deepwater Horizon oil spill in the Gulf of Mexico, 2010-2016
Deep-sea corals create complex habitats that support distinct sediment communities. Several deep-sea coral habitats were impacted by the 2010 Deepwater Horizon spill, and recovery of associated sediment communities may take several years. While spill-associated organic enrichment may lead to increased abundances of tolerant taxa, toxic effects of the spill may lead to declines in...
Hatch dates of American crocodile nests in Everglades National Park and Turkey Point Power Plant 1983-2016 Hatch dates of American crocodile nests in Everglades National Park and Turkey Point Power Plant 1983-2016
We monitored nests from 1983 to 2016 during the crocodile nesting season (April through August) as part of a long-term American crocodile monitoring programs within Everglades National Park (ENP; since 1978) and Turkey Point Power Plant (TP; since 1983). Nests were located during April and May (egg laying period) and monitored from June to August (hatching period). During the hatching...
Field observations and spectral evolution of wind waves in Upper Delaware Bay with living shorelines Field observations and spectral evolution of wind waves in Upper Delaware Bay with living shorelines
This dataset contains measured (interval=0.5 hour) water depth, wave height, and peak wave period during February 2 to April 4, 2018 at six wave gage locations along the Gandy's Beach, New Jersey in upper Delaware Bay. These data were used for the analysis of spectral evolution of wind waves along the coast in upper Delaware Bay with oyster-reef based living shoreline.
Sea Otter Aerial Survey Data from Glacier Bay National Park and Preserve, 1999-2012 Sea Otter Aerial Survey Data from Glacier Bay National Park and Preserve, 1999-2012
The data package "Sea Otter Aerial Survey Data from Glacier Bay National Park and Preserve, 1999-2012"; provides raw data for examining abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in Glacier Bay National Park and Preserve in southeast Alaska, based on data collected during a series of population-wide aerial surveys. The USGS aerial sea otter surveys have...