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Federal
Administrative Boundaries Centroids of National Park System Units NGDA recent views
Department of the Interior —
National Park Service unit points. -
Federal
Digital Elevation Models (DEM) Data recent views
Department of the Interior —
These topographic/bathymetric digital elevation models (DEMs) were collected and compiled to characterize erosion and deposition in the Colorado River and in an... -
Federal
Bat activity and insect abundance data along the Colorado River in Grand Canyon, AZ recent views
Department of the Interior —
These data were compiled to improve our understanding of bat foraging along the Colorado River in Grand Canyon. Objectives of our study were to determine whether bat... -
Federal
Administrative Boundaries Centroids of National Park System Units NGDA recent views
Department of the Interior —
National Park Service unit points. -
Federal
Administrative Boundaries Centroids of National Park System Units NGDA recent views
Department of the Interior —
National Park Service unit points. -
Federal
Phosphorus, nitrogen, carbon, calcium, pH, and dissolved oxygen data from incubations of Colorado River water and sediment and associated ambient river water measurements recent views
Department of the Interior —
Lake Powell retains most of the phosphorus that it receives, leading to downstream phosphorus limitation. These data were compiled to examine controls on phosphorus... -
Federal
Administrative Boundaries Centroids of National Park System Units NGDA recent views
Department of the Interior —
National Park Service unit points. -
Federal
Administrative Boundaries Centroids of National Park System Units NGDA recent views
Department of the Interior —
National Park Service unit points. -
Federal
Administrative Boundaries Centroids of National Park System Units NGDA recent views
Department of the Interior —
National Park Service unit points. -
Federal
Southwestern Riparian Plant Trait Matrix, Colorado River, Grand Canyon, Arizona (ver. 2.0, 2022) recent views
Department of the Interior —
Trait-based approaches to vegetation analyses are becoming more prevalent in studies of riparian vegetation dynamics, including responses to flow regulation,... -
Federal
Colorado River Mile System, Grand Canyon, Arizona recent views
Department of the Interior —
These data represent the centerline and measured increments at hundredths, tenths and whole miles, along the centerline of the Colorado River beginning at Glen Canyon... -
Federal
Administrative Boundaries Centroids of National Park System Units NGDA recent views
Department of the Interior —
National Park Service unit points. -
Federal
Acoustic Doppler Current Profiler (ADCP) Data recent views
Department of the Interior —
These acoustic Doppler current profiler (ADCP) data were collected and compiled to characterize the velocity patterns in channel of the Colorado River and in an... -
Federal
Channel Mapping of the Colorado River in Grand Canyon National Park, Arizona - May 2012, river miles 29 to 62 - Data recent views
Department of the Interior —
Bathymetric, topographic, and grain-size data were collected in May 2012 along a 33-mi reach of the Colorado River in Grand Canyon National Park, Arizona. The study... -
Federal
Sand classifications along the Colorado River in Grand Canyon derived from 2002, 2009, and 2013 high-resolution multispectral airborne imagery recent views
Department of the Interior —
These data are remote sensing image-based classification maps of unvegetated river-derived sand along the Colorado River. One map is based on imagery acquired in May... -
Federal
Channel Mapping of the Colorado River in Grand Canyon National Park, Arizona, May 2009, river miles 29 to 62—Data recent views
Department of the Interior —
Bathymetric, topographic, and grain-size data were collected in May 2009 along a 33-mi reach of the Colorado River in Grand Canyon National Park, Arizona. The study... -
Federal
Hydrographic and Impairment Statistics Database: GRCA recent views
Department of the Interior —
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in... -
Federal
Hydrographic and Impairment Statistics Database: GRCA recent views
Department of the Interior —
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in... -
Federal
Unpublished Digital Geologic Map of Glen Canyon National Recreation Area and Vicinity, Utah, and Arizona (NPS, GRD, GRI, GLCA, GLCA digital map) adapted from Utah Geological Survey digital data and map by Willis and Ehler (2011), and Open-File Report map by Doelling and Willis (1999) recent views
Department of the Interior —
The Unpublished Digital Geologic Map of Glen Canyon National Recreation Area and Vicinity, Utah, Arizona is composed of GIS data layers complete with ArcMap 9.3 layer... -
Federal
Lidar point cloud data for an aeolian dune field near Lees Ferry, AZ recent views
Department of the Interior —
These data were compiled for assessing how geomorphic changes measured as topographic differences from repeat surveys represent measured and modelled estimates of...