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Geophysical and related field data from the West Fork of Dall Creek, AK 2017-2019 Geophysical and related field data from the West Fork of Dall Creek, AK 2017-2019
The West Fork of Dall Creek is located ~100km southwest of Coldfoot, AK along the Dalton Highway, south of the Brooks Range. The West Fork of Dall Creek is composed of unburned black spruce forest with a burn scar from the 2004 Dall City Fire. Multi-season, multi-method geophysical data were collected both within the burned and unburned areas. Geophysical techniques used include Nuculear...
Walla Walla County Groundwater Watch Walla Walla County Groundwater Watch
Network wells depicted on the Walla Walla County, WA location map Note: Color shading in the table below indicates multiple wells that plot as a single point on the state location map above. Note: BLS = Water Level in Feet Below Land Surface, RVD = Water Level referenced to a vertical datum
Phytoplankton and Zooplankton Data for Upper Klamath Lake and River, Oregon, 2019 Phytoplankton and Zooplankton Data for Upper Klamath Lake and River, Oregon, 2019
This U.S. Geological Survey (USGS) Data Release provides phytoplankton data from Upper Klamath Lake, OR and Upper Klamath River, OR from 4/29 - 10/15/2019 from eight sites and zooplankton data from Upper Klamath Lake, OR from 4/16 - 10/15/2019 from three sites. Phytoplankton data are reported to the lowest possible taxonomic level and biovolume, biomass, and density are reported...
U.S. Geological Survey Precipitation Chemistry Quality Assurance Project Data 2017 - 2018 U.S. Geological Survey Precipitation Chemistry Quality Assurance Project Data 2017 - 2018
The USGS Precipitation Chemistry Quality Assurance Project (PCQA) operates QA programs to challenge and test the National Atmospheric Deposition Program (NADP) data-collection processes for both the National Trends Network (NTN) and Mercury Deposition Network (MDN). PCQA data are available in separate tables for each quality-assurance program: (1) NTN Interlaboratory-comparison, (2) MDN
Volcanic Gas Measurements at Mount Cleveland, Alaska 2016 Volcanic Gas Measurements at Mount Cleveland, Alaska 2016
On 25 July 2016, helicopter-based measurements were made of the volcanic gases emitted from Mount Cleveland, Alaska, USA. An upward-looking differential optical absorption spectroscopy (DOAS) system was used to measure incident scattered solar ultraviolet radiation while traversing beneath the plume on multiple occasions. These data were used to derive volcanic SO2 emission rates...
Geospatial Database of the Study Boundaries, Sampled Sites, Watersheds, and Riparian Zones for the U.S. Geological Survey Regional Stream Quality Assessment Geospatial Database of the Study Boundaries, Sampled Sites, Watersheds, and Riparian Zones for the U.S. Geological Survey Regional Stream Quality Assessment
In 2013, the Regional Stream Quality Assessment (RSQA) study was started as part of the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project. One of the objectives of the RSQA is to characterize the relationships between water-quality stressors and stream ecology and subsequently determine the relative effects of these stressors on aquatic biota within the...