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Found 73 dataset(s) matching "cobbles".
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This part of the release provides an updated georeferenced catalog of coral boulders and cobbles pertaining to extreme waves on Anegada, a low Caribbean island perched south of the Puerto Rico...
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This part of the data release aids in identifying places where land-clearing and wall-building, rather than a sea flood, may account for anomalous boulders and cobbles of Pleistocene limestone on...
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Fluvial sediment samples were collected from the lowermost reaches of 21 coastal watersheds in California, in order to characterize surficial grain size of river sediment from deposits that...
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Groundwater is often supersaturated in greenhouse gases (GHGs; i.e. CO2, CH4, N2O) and delivers these gasses to stream channels where they are either emitted, consumed, or transported downstream....
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Discrete volumetric and mid-section stream discharge measurements were conducted from July through October 2020 in H.J. Andrews Experimental Forest near Blue River, OR. The measured streams are...
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To test experimental warming effects, we used and enhanced the Snake River Plain (SRP) Warming Experiment. At Birds of Prey National Conservation Area (BOP NCA), a warming frame and control plot...
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Three remote sensing datasets were utilized to create the final substrate map products: 1) 4-banded imagery collected in June, October and November of 2012 by Keystone Aerial Mapping with its...
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Inventory of intertidal fish in Ebey's Landing National Historical Reserve tabular data 2001-2005.Coastal and Fisheries staff from Olympic National Park conducted a 3-day inventory of intertidal...
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This dataset presents the processed sidescan mosaic for Fire Island National Seashore. The acoustic sonar survey was conducted using a EdgeTech 6205, a Multi-Phase Echo sounder system. This...
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Most of the ASAS data acquired for GRSFE were taken during flights over Lunar Lake, Nevada, at a nominal altitude of 5000 m above ground level. Flights over Lunar Lake were repeated to acquire...
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Most of the ASAS data acquired for GRSFE were taken during flights over Lunar Lake, Nevada, at a nominal altitude of 5000 m above ground level. Flights over Lunar Lake were repeated to acquire...
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Portable Field Emission Spectrometer (PFES) data were acquired on July 15 and 17, 1989. A total of 31 measurements were collected for GRSFE. Of these measurements, 13 were calibrations and 18 were...
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Portable Field Emission Spectrometer (PFES) data were acquired on July 15 and 17, 1989. A total of 31 measurements were collected for GRSFE. Of these measurements, 13 were calibrations and 18 were...
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The data represent counts and presence of stream-dwelling aquatic macroinvertebrate communities in nine watersheds within the non-connected stormwater region in Kansas City, Missouri. Samples...
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This data set contains Lake Trout (Salvelinus namaycush) egg catch per unit effort (CPUE) estimates obtained from egg traps set on Stony Island Reef in Lake Ontario. These data were collected from...
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This coverage contains information about the surficial geology for the area within the Standing Rock Indian Reservation, Sioux County, North Dakota, and Corson County, South Dakota. Identified...
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Landslide hazards pose a significant threat to communities and infrastructure across the Federated States of Micronesia (FSM). To support hazard assessment and mitigation efforts, the USGS...
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To test experimental warming effects, we used and enhanced the Snake River Plain (SRP) Warming Experiment. At Birds of Prey National Conservation Area (BOP NCA), a warming frame and control plot...
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Landslide hazards pose a significant threat to communities and infrastructure across the Federated States of Micronesia (FSM). To support hazard assessment and mitigation efforts, the USGS...
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This data release contains three comma separated value (.csv) tables describing data from alluvial cobbles collected from a Pleistocene alluvial deposit on the noerth side of Poncha Pass, near...
