Found 393 datasets matching "direct measurements".
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Areas of groundwater discharge are hydrologically and ecologically important, and yet are difficult to predict at the river network scale. Thermal infrared imagery can be used to identify areas of...
Search relevance: 84.92 | Views last month: 1 -
Understanding how effectively methane can be extracted from a gas hydrate reservoir requires knowing how compressible, permeable, and strong the overlying seal sediment is. This data release...
Search relevance: 64.80 | Views last month: 0 -
This dataset contains results from laboratory direct shear experiments performed on tension-induced fractures in Sierra White granite under saturated conditions at target temperatures of 50 C and...
Search relevance: 61.02 | Views last month: 14 -
Formaldehyde column data from the Pandora spectrometer collected during the KORUS-AQ field campaign.
Search relevance: 53.45 | Views last month: 0 -
This dataset consists of a time-series of direct measurements of glacier surface mass balance, at Eklutna Glacier, Alaska. It includes seasonal measurements of winter snow accumulation and summer...
Search relevance: 39.97 | Views last month: 1 -
These data contain morphometric measurements collected on the left side of Cisco (Coregonus artedi) collected from Lake Ontario in 2018. Measurements were obtained by two methods, first by direct...
Search relevance: 38.44 | Views last month: 0 -
A three-year observational study into the influence of spring freshets entering Stefansson Sound (coastal Alaskan lagoon system) using a combination of autonomous and direct sampling approaches...
Search relevance: 36.91 | Views last month: 0 -
This USGS data release contains datasets and metadata associated with identifying locations of groundwater seepage to streams in the Upper Shawsheen River Watershed in Massachusetts. Data were...
Search relevance: 36.81 | Views last month: 0 -
On 26 October 2017, acoustic data was collected in tandem with direct, in situ gas flux measurements. Acoustic data was collected using a Simrad ES200-7C split-beam echosounder that was interfaced...
Search relevance: 35.76 | Views last month: 2 -
Three Modified Yankee Multi-Filtered Rotating Shadow Band Spectrometers (M-MFRSR) will be deployed at three locations to measure UV aerosol absorption properties at 340nm and 380 nm. Aerosol...
Search relevance: 35.64 | Views last month: 0 -
The NSRDB is a serially complete collection of hourly and half-hourly values of the three most common measurements of solar radiation—global horizontal, direct normal, and diffuse horizontal...
Search relevance: 35.39 | Views last month: 0 -
This data set consists of on-ice sea ice thickness measurements derived from drill holes, gauges, thermistor strings, and surface electromagnetic induction. From journal articles, reports, on-line...
Search relevance: 35.27 | Views last month: 0 -
The BOREAS TE-06 team collected several data sets to examine the influence of vegetation, climate, and their interactions on the major carbon fluxes for boreal forest species. This data set...
Search relevance: 35.23 | Views last month: 0 -
Locations of focused groundwater seepage to surface water are often hydrologically and ecologically important. Spatially focused or ‘preferential’ seepage can be identified as anomalous cold zones...
Search relevance: 35.22 | Views last month: 0 -
This data release contains a comma-delimited ascii file of 16 discrete discharge measurements made at sites along selected reaches of He'eia Stream and 'Ioleka'a Stream, O'ahu, Hawai'i, on August...
Search relevance: 33.66 | Views last month: 0 -
This data release contains a comma-delimited ascii file of nine discrete discharge measurements made at sites along selected reaches of He'eia Stream and 'Ioleka'a Stream, O'ahu, Hawai'i, on...
Search relevance: 33.66 | Views last month: 0 -
This data release contains a comma-delimited ascii file of 16 discrete discharge measurements made at sites along selected reaches of He'eia Stream and 'Ioleka'a Stream, O'ahu, Hawai'i, on March...
Search relevance: 33.65 | Views last month: 0 -
This data release contains a comma-delimited ascii file of 16 discrete discharge measurements made at sites along selected reaches of He'eia Stream and 'Ioleka'a Stream, O'ahu, Hawai'i, on...
Search relevance: 33.62 | Views last month: 0 -
Since the late 1950s, the USGS has maintained a long-term glacier mass-balance program at key North American glaciers. Measurements began on South Cascade Glacier, WA in 1958, expanding to Gulkana...
Search relevance: 33.55 | Views last month: 0 -
The UV-B Monitoring and Research Program operates a national network of solar irradiance monitoring stations equipped with instruments which provide measurements to meet the needs of both...
Search relevance: 33.45 | Views last month: 2
