Found 46 datasets matching "Handheld GPS".
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Presence or absence of acroporid corals marked by handheld GPS during snorkel or tow surveys of shallow water (<5m) reef habitats in the Upper Florida Keys National Marine Sanctuary (USA)
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Presence or absence of acroporid corals marked by handheld GPS during snorkel or tow surveys of shallow water (5m) reef habitats in the Upper Florida Keys National Marine Sanctuary (USA)
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Magnetic susceptibility was measured on outcropping rock in the eastern Adirondack Mountains, New York. A Terraplus KT-20 was used for the measurements. The corresponding rock type was identified...
Search relevance: 57.41 | Views last month: 0 -
The density of rock samples collected 2016-2017 from the eastern Adirondack Highlands in New York was measured in the laboratory using standard immersion methods. The corresponding rock type was...
Search relevance: 55.42 | Views last month: 0 -
Petrophysical data were collected in the eastern Adirondack Highlands during several field campaigns in 2016-2017. This data release provides magnetic susceptibility, gamma spectrometry, and...
Search relevance: 54.75 | Views last month: 1 -
Discrete snow depth data were collected during multiple winter campaigns during 2020–22. These data were collected as part of the U.S. Geological Survey (USGS) Next Generation Water Observing...
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Delineated irrigated acreage in 2005 was field verified from September 26 to 29 and November 1 to 3 , 2005. Fields were visited to confirm that irrigation had occurred in remotely delineated...
Search relevance: 52.25 | Views last month: 0 -
This data set is derived from visual surveys by snorkelers using handheld GPS units to map extant live colonies of the threatened corals Acropora palmata and A. cervicornis in the upper Florida...
Search relevance: 51.37 | Views last month: 1 -
This data set contains data from visual surveys by snorkelers using handheld GPS units to map extant live colonies of the threatened corals Acropora palmata and A. cervicornis in the upper Florida...
Search relevance: 51.37 | Views last month: 0 -
The data provide location and data quality information for ground control points (GCP) deployed at Palmyra Atoll for acquisition of imagery using small unoccupied aerial systems (sUAS) in October...
Search relevance: 48.04 | Views last month: 1 -
Radiometric (gamma spectrometry) measurements were made during walking surveys in the eastern Adirondack Highlands, New York using a GF Instruments Gamma Surveyor. The surveys involved recording...
Search relevance: 47.79 | Views last month: 0 -
This point data set contains streamflow-measurement sites in the Elkhorn and Loup River basins and selected streamflow-measurement sites in the Niobrara and Platte River basins in north-central...
Search relevance: 46.66 | Views last month: 4 -
This dataset contains data from visual surveys by snorkelers using handheld GPS units to map extant live colonies of the threatened corals Acropora palmata and A. cervicornis in the upper Florida...
Search relevance: 46.66 | Views last month: 0 -
These data provide a comprehensive survey of peak-stage indicators along the Colorado River corridor between river mile (RM) 0 and RM 87 (see Figure 1 in the associated USGS-SIR). In 2008, the...
Search relevance: 45.27 | Views last month: 1 -
Radiometric (gamma spectrometry) measurements were made during walking surveys in northern Maine using a GF Instruments Gamma Surveyor. These surveys involved recording measurement averages over...
Search relevance: 44.95 | Views last month: 0 -
Controlled source audio-frequency magnetotellurics (CSAMT) data were collected in the Big Chino Valley and Paulden areas, Yavapai County, Arizona, to better understand the hydrogeology of the...
Search relevance: 42.73 | Views last month: 1 -
Controlled source audio-frequency magnetotellurics (CSAMT) data were collected over the Sevier fault near Red Knoll in Kane County Utah, to better understand the hydrogeology of the area. CSAMT...
Search relevance: 41.95 | Views last month: 0 -
This portion of the data release presents water column dissolved nutrient concentration data and water quality parameters from samples collected in the Elwha River estuary, Washington, in 2006,...
Search relevance: 40.12 | Views last month: 0 -
The electrical conductivity of the earth is used to help infer lithological and pore fluid properties. Various geophysical methods can provide estimates of the distribution of below ground...
Search relevance: 39.71 | Views last month: 1 -
Field measurements of water depth were acquired from a reach of the Snake River in Grand Teton National Park, WY, August 19-24, 2015, to support research on channel change along the Snake River...
Search relevance: 38.95 | Views last month: 3