Jessica D Dewitt

These digital images were taken at select locations over the Potomac River using 3DR Solo unmanned aircraft systems (UAS) in October 2019. These images were collected for the purpose of evaluating UAS assessment of river habitat data such as water depth, substrate type, and water clarity. Each UAS was equipped with a Ricoh GRII digital camera for natural color photos, used to produce digital elevation models and ortho images, a MicaSense RedEdge multi-spectral camera that captures five specific bands of the visible spectrum (blue, green, red, rededge, and near-infrared), which can be used to classify vegetation, or FLIR Vue Pro R 640 13mm radiometric thermal camera that provides temperature data embedded in every...

Tags: 3dr solo quadcopter, Brunswick, Ecology, Geomorphology, Hydrology, All tags... Maryland, Point of Rocks, Potomac River, Remote Sensing, Shepherdstown, USA, USGS Science Data Catalog (SDC), Water Resources, White's Ferry, aerial images, aerial photography, airborne imagery, drone, elevation, flir, flir vue pro r 640 13mm, gcp, geomorphology, geoscientificInformation, geospatial datasets, ground control point, image collections, images, jpeg images, location, micasense, micasense rededge, nir, rededge, remote sensing, ricoh grii, targets, tiff images, u.s. geological survey, uas, unmanned aerial system, usgs, Fewer tags

Datasheets associated with borehole sampling of surficial sediments in Northern Virginia and Southern Maryland conducted by the U.S. Geological Survey for the Federal Highways Administration Turner-Fairbanks Research Center In Situ Scour Testing Device

This spreadsheet contains the results of open-bore auger samples collected by the U.S. Geological Survey in Maryland and Virginia for the Federal Highways Administration Turner-Fairbanks Highway Research Center. 19 sites were selected in 14 different locations across northern Virginia and southern Maryland by FBGC scientists to drill boreholes for the development of the TFHRC’s In-situ Scour Testing Device (ISTD) and to investigate the sedimentological properties of different layers of the near-surface soil column. Each worksheet in this excel workbook contains the detailed log information for one site, including its name, gps coordinates, surface elevation, borehole depth, information about the drilling rig used...

Categories: Data; Tags: Geography, Geomorphology, Information Sciences, Maryland, USGS Science Data Catalog (SDC), All tags... Virginia, augering, biota, surficial geologic units, Fewer tags

1955 DEM for Sleeping Bear Dunes National Lakeshore

This raster dataset describes elevation values, in meters (m), in Sleeping Bear Dunes National Lakeshore in 1955. The 1955 DEM was produced from historical aerial imagery acquired on April 1, 1955 at a flying height of 8,500 ft (1:17,000). Structure from motion (SfM) analysis of this imagery produced a 0.88 m DEM, which was edited and resampled to 1 m.

Tags: Michigan, elevation, geomorphology, geospatial datasets, topography

These digital images were taken over an area of the Potomac River in White's Ferry, Maryland using 3DR Solo unmanned aircraft systems (UAS) on October 23, 2019. These images were collected for the purpose of evaluating UAS assessment of river habitat data such as water depth, substrate type, and water clarity. Each UAS was equipped with a Ricoh GRII digital camera for natural color photos, used to produce digital elevation models and ortho images, a MicaSense RedEdge multi-spectral camera that captures five specific bands of the visible spectrum (blue, green, red, rededge, and near-infrared), which can be used to classify vegetation, or FLIR Vue Pro R 640 13mm radiometric thermal camera that provides temperature...

Tags: 3dr solo quadcopter, Geomorphology, Maryland, Potomac River, USA, All tags... White's Ferry, aerial images, aerial photography, airborne imagery, drone, elevation, flir, flir vue pro r 640 13mm, gcp, geoscientificInformation, geospatial datasets, ground control point, image collections, images, jpeg images, location, micasense, micasense rededge, nir, rededge, remote sensing, ricoh grii, targets, tiff images, u.s. geological survey, uas, unmanned aerial system, usgs, Fewer tags

Point locations of brick kilns in Kabul, Afghanistan, derived from 1965, 2004, 2011, and 2018 satellite imagery

This dataset was created as part of the USGS Afghanistan Project investigating artisanal and small-scale mining activity. Clay mining for brick making purposes represents a small but important segment of the mineral extraction industry in Kabul, Afghanistan. Over the past several decades Kabul has grown from a relatively small city, with a 1970 population of less than 500,000 people, to a sprawling urban center with approximately 4.2 million people in 2020 (CIA 2020). Population growth has expanded the need for housing, commercial, and industrial buildings, and associated infrastructure. This has greatly increased demand for bricks, the primary construction material of the region. In this study, very high-resolution...

Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Afghanistan, Geography, Loess, Mineral Resources, USGS Science Data Catalog (SDC), All tags... biota, clay deposits, mining and quarrying, Fewer tags