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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (3) OGC WMS Layer (3) OGC WMS Service (3) Contacts Carl J Legleiter U.S. Geological Survey Jeff Conaway Paul J Kinzel Mark Laker More... Categories Data (2) Tag Types Theme (2) Place (2) USGS Scientific Topic Keyword (1) platform (1) Harvest Set (1) Resource Type (1) Status (1) Tag Schemes https://earthdata.nasa.gov/gcmd-forum (1) View Results as: JSON ATOM CSV

Database abstract Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Aircraft, Balloons/Rockets, Data, Earth Observation Satellites, status Digital orthophotos and field measurements of flow velocity from the Tanana and Nenana Rivers, Alaska, from August 2021 This data release includes digital orthophotos acquired from a fixed-wing aircraft and field measurements of flow velocity from the Tanana and Nenana Rivers near Nenana, Alaska, obtained on August 18 and 19, 2021. This parent data release includes links to child pages for two data sets produced during the study: 1. Acoustic Doppler Current Profiler (ADCP) field measurements of flow velocity from the Tanana and Nenana Rivers, Alaska, collected on August 18, 2021. 2. Digital orthophotos of the Tanana and Nenana Rivers, Alaska, acquired from a fixed-wing aircraft on August 19, 2021. Please refer to the individual child pages for further detail about each data set. Overall, these data were used to assess the... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Acoustic Doppler Current Profiler (ADCP), Aircraft, Alaska, Hydrology, Image sequence, All tags... Nenana, Nenana River, Orthophotography, Particle Image Velocimetry (PIV), Remote Sensing, Remote sensing, River, Tanana River, USGS Science Data Catalog (SDC), Water Resources, flow velocity, Fewer tags Digital orthophotos of the Tanana and Nenana Rivers, Alaska, acquired from a fixed-wing aircraft on August 19, 2021 This child data release provides the information needed to download from the USGS EarthExplorer portal digital orthophotos acquired along the Tanana and Nenana Rivers near Nenana, Alaska, on August 19, 2021. The primary goal of this study was to assess the feasibility of estimating surface flow velocities from optical image sequences acquired from a fixed-wing aircraft flying along the river by tracking water surface features via particle image velocimetry (PIV). Remote sensing of flow velocities could provide a more efficient, cost-effective alternative to conventional field-based methods of measuring channel hydraulics and thus become an important component of non-contact approaches to streamgaging. Moreover,... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Aircraft, Alaska, Image sequence, Nenana, Nenana River, All tags... Orthophotography, Particle Image Velocimetry (PIV), Remote sensing, River, Tanana River, flow velocity, Fewer tags