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21 results for “Grand Canyon”
Semantic Segmentation of Time Series Imagery Using Deep Convolutional Neural Networks: A Case Study of Sandbars in Grand Canyon
<p>This dataset contains imagery used to train and test Deep Convolutional Neural Networks for the purpose of binary semantic segmentation of a time series of oblique imagery capturing sandbar monitoring sites in The Grand Canyon. In addition the scripts needed for removing image distortion, registering, rectifying, and labeling imagery is present. </p>
FIGURES 1 – 6. Adults and male genitalia. 1 in A new species of Schinia Hübner from riparian habitats in the Grand Canyon (Lepidoptera: Noctuidae: Heliothinae)
FIGURES 1 – 6. Adults and male genitalia. 1, Schinia immaculata, male, Arizona, Coconino Co. Colorado River, Grand Canyon, river mile 166.5 L, USNMENT 00229965; 2, S biundulata, female, Nevada, Humboldt Co. Sulphur, USNMENT 00220807; 3, S. immaculata, male genitalia; 4, S. immaculata, aedoeagus; 5, S. biundulata, male genitalia; 6, S. biundulata, aedoeagus.
Dataset: Grand Canyon Education, Inc. (LOPE) Stock Performance
This dataset provides historical stock market performance data for specific companies. It enables users to analyze and understand the past trends and fluctuations in stock prices over time. This information can be utilized for various purposes such as investment analysis, financial research, and market trend forecasting.
Little Colorado River Gorge, Grand Canyon, AZ
View of the Little Colorado River Gorge and Confluence in the Grand Canyon of Arizona. Showing Navajo Nation land and areas of the Grand Canyon National Park. About 3 miles up the Little Colorado River is the "Sipapu" or "Sipapuni", a travertine dome believed by members of the Hopi tribe to be the place of emergence into this world from a previous world that was destroyed by a flood due to the wicked or "two-heartedness" of those in the previous world. The location is sacred to the Hopi, and is currenrly part of the Navajo Nation tribal lands. Not far upstream from the Sipapu is Blue Spring, the source of the blue-green waters of the Little Colorado River, made possible because of disolved limestone calcium carbonate and trace amounts of copper sulfate. Source: Objaverse 1.0 / Sketchfab
Grand Canyon & Little Colorado River Confluence
This 3D model features the confluence of the Colorado River and the Little Colorado River in the Grand Canyon. A sacred place to Native American tribes like the Navajo and especially Hopi, this area has been under constant threat in recent years by developers wishing to turn the location into a tourist attraction, complete with a gondola to take 8–10k people a day down in the the canyon into an area with a fragile ecosystem, and home to the largest population of endangered Humpback Chub left in the Grand Canyon. Many local leaders and native voices have been raised in support to "Save The Confluence". -Nate Loper Source: Objaverse 1.0 / Sketchfab
Grand Canyon National Park 3D Aerial Map
Map of the Grand Canyon National Park in Arizona. Featuring the Kaibab Plateau, Colorado River, and Little Colorado River Gorge. The Grand Canyon is the second-most visited National Park in the United States, at visitation of around 6 million people each year. The South Rim of the park is around 7,000 feet in elevation, while the North Rim is 8,000 to nearly 9,000 feet. From the Grand Canyon you can often see over 100 miles in many directions, with Flagstaff's San Francisco Peaks to the South, and Navajo Mountain in Utah to the Northeast. The Canyon is home to many Native American tribes, and thousands of archaeology sites are found from the rim to the river. Among notable archaeological sites is the Unkar Delta, with of 52 excavated sites from Ancestral Puebloan people (Hisatsinom) who lived there 800–1200 years ago, planting on the delta and growing corn, squash, beans. Enjoy this free map of one of my favorite places in the world, and just in my "backyard". -Nate Loper Source: Objaverse 1.0 / Sketchfab
Lee's Ferry – Grand Canyon, Arizona
Lee's Ferry is the beginning of the Grand Canyon National Park, and the place where nearly all river trips launch from. Originally a ferry point across the river started by Mormon pioneer John D. Lee in the 1870s, many a young couple would cross this point and continue on to St. George, Utah to be married. The aptly-named "Honeymoon Trail" crosses this point and up into the red rocks of the Moenkopi, where wagon ruts from the 1800s can still be seen today. At Lee's Ferry you can go left into Glen Canyon National Recreation Area for nearly 15 miles before the Glen Canyon Dam at Lake Powell, or go right for 277 miles to the end of the Grand Canyon at Lake Mead. The brown water you see entering the Colorado River just below the boat ramp is a flash flood of the Paria River, starting in Bryce Canyon National Park in Utah. These are famous gold water trout waters and a popular fishing spot for anglers. Source: Objaverse 1.0 / Sketchfab
Triple Park Tour Flagstaff To Grand Canyon Loop
Triple Park Tour from Flagstaff to Grand Canyon, Cameron, Wupatki National Monument, and Sunset Crater National Monument Source: Objaverse 1.0 / Sketchfab
Formation of meandering streams in a young floodplain within the Yarlung Tsangpo Grand Canyon in the Tibetan Plateau
<p>For submission to the Journal of Geophysical Research Letters, the accompanying dataset comprises seven Excel sheets that encapsulate comprehensive measurements and observations of two meandering streams within the Cuoka floodplain, located in the Yarlung Tsangpo Grand Canyon. The specific contents of each sheet are as follows:</p> <ol> <li> <p><strong>Width</strong>: This sheet documents the varying widths of the main and tributary streams throughout different segments of the Cuoka floodplain.</p> </li> <li> <p><strong>Meander Center Coordinate at 46R</strong>: Contains the GPS coordinates for the center points of meander bends at the designated 46R marker, providing spatial data essential for geomorphological analysis.</p> </li> <li> <p><strong>Geometric Data</strong>: Includes detailed geometric parameters such as meander wavelength, amplitude, and radius of curvature, which are critical for understanding the morphodynamic characteristics of the streams.</p> </li> <li> <p><strong>Migration of Main and Tributary Streams</strong>: Tracks the lateral migration rates and patterns of both streams, offering insights into the dynamic processes shaping the floodplain over time.</p> </li> <li> <p><strong>Elevation from the Water Source</strong>: Presents elevation data from the origin of the streams to their current endpoints, aiding in the analysis of gradient-driven sediment transport and deposition mechanisms.</p> </li> </ol> <p>This dataset serves as a fundamental resource for elucidating the formative and evolutionary processes of meandering streams in a geologically unique setting, contributing to broader discussions on fluvial dynamics and landscape development.</p>
Cans by old Mine in the Grand Canyon
Old food cans by historic mine in the Grand Canyon. Created in RealityCapture from 121 images *** Free Model *** Source: Objaverse 1.0 / Sketchfab
Data from: Tiny vampires in ancient seas: evidence for predation via perforation in fossils from the 780–740 million-year-old Chuar Group, Grand Canyon, USA
One explanation for the early Neoproterozoic expansion of eukaryotes is the appearance of eukaryovorous predators—i.e. protists that preyed on other protists. Evidence for eukaryovory at this time, however, is indirect, based on inferences from character state reconstructions and molecular clocks, and on the presence of possible defensive structures in some protistan fossils. Here I describe 0.1–3.4 µm circular holes in seven species of organic-walled microfossils from the ~780–740 million-year-old Chuar Group, Grand Canyon, Arizona, USA, that are similar to those formed today by predatory protists that perforate the walls of their prey to consume the contents inside. Although best known in the vampyrellid amoebae, this "vampire-like" behavior is widespread among eukaryotes, making it difficult to infer confidently the identity of the predator. Nonetheless, the identity of the prey is clear: some—and perhaps all—of the fossils are eukaryotes. These holes thus provide the oldest direct evidence for predation on eukaryotes, and together with ~15–35 µm half-moon-shaped and circular holes in vase-shaped microfossils from the upper part of the unit that may also be the work of "tiny vampires", they suggest a diversity of eukaryovorous predators in the ancient Chuar sea.
FIGURES 1–6. Adults and male genitalia. 1 in A new species of Schinia Hübner from riparian habitats in the Grand Canyon (Lepidoptera: Noctuidae: Heliothinae)
FIGURES 1–6. Adults and male genitalia. 1, Schinia immaculata, male, Arizona, Coconino Co. Colorado River, Grand Canyon, river mile 166.5 L, USNMENT 00229965; 2, S biundulata, female, Nevada, Humboldt Co. Sulphur, USNMENT 00220807; 3, S. immaculata, male genitalia; 4, S. immaculata, aedoeagus; 5, S. biundulata, male genitalia; 6, S. biundulata, aedoeagus.
Supplementary Data for the paper "Late Cretaceous uplift of Grand Canyon: evidence from fluid inclusions"
<p><span><span>This file contains supplemary information for the paper "Late Cretacous uplift of Grand Canyon: evidence from fluid inclusions" published in the American Journal of Science. </span></span></p> <p><span>Item S1</span><span>: Distance between compared samples and additional information about thermal histories chosen for comparison. </span></p> <p><span>Item S2</span><span>: Petrography of fluid inclusions </span></p> <p><span><span>Table S1. Sample minerology, texture, and field description</span></span></p> <p> </p> <p> </p>
Harringtons Goat from Grand Canyon National Park
Harrington's Goat (*Oreamnos harringtoni*) is an extinct species of caprine that was found in the Southwestern part of North America during the last ice age. Osteologically, the Harrington was smaller (by a 1/3) than the living mountain goat, *O. americanus*, to which it is related, but with relatively robust feet, a proportionally long but narrow skull, and smaller horns. Apparently it was also less "beardy" than the living North American goat based on finds of hair. This fossil skull is in the collections at Grand Canyon National Park, Arizona. Learn about paleontology in the National Park Service: https://www.nps.gov/subjects/fossils/index.htm Learn more about Grand Canyon National Park's Centennial: https://www.nps.gov/grca/getinvolved/centennial.htm Source: Objaverse 1.0 / Sketchfab
Data from: Systematics of organic-walled microfossils from the ca. 780–740 Ma Chuar Group, Grand Canyon, Arizona
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Data from: Tiny vampires in ancient seas: evidence for predation via perforation in fossils from the 780–740 million-year-old Chuar Group, Grand Canyon, USA
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(2019) Grand Canyon Geology and Geoscience Education Public Symposium (April 18-20, 2019): final program and abstracts
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(2019) Fieldtrip booklet for GSA Grand Canyon Thompson Field Forum I, "Age and Carving of Grand Canyon: Towards a resolution of 150 years of debate" (September 14-21, 2019)
<p class="MsoNoSpacing">Booklet containing USGS Grand Canyon Geologic River Maps.</p> <p class="MsoNoSpacing"><b>The Conveners for the 2019 GSA Thompson Field Forum were </b>Karl Karlstrom and Laura Crossey, University of New Mexico, Eugene Humphreys, University of Oregon, David Shuster, University of California Berkeley, and Kelin Whipple, Arizona State University.</p> <p class="MsoNoSpacing">The age and evolution of the 1.6-km-deep, 270-mile-long Grand Canyon have been debated since J.W. Powell's exploration of the Colorado River in 1869. This GSA Thompson Field Forum honored the 150<sup>th</sup> anniversary of Powell's trip. It involved 28 researchers and young scientists who discussed the evidence for the age and incision history of Grand Canyon in the context of recent advances and ongoing debates. The objective was to promote a next generation of research on the evolution and tectonic geomorphology of this iconic region, as well as similar studies globally, and debate the evidence for and against mantle-driven dynamic topography. The field forum started and ended in Las Vegas, Nevada, USA, and was run under a charter with Grand Canyon Expeditions. The eight-day river trip covered 280 river miles from Lees Ferry to Pearce Ferry. Each participant gave a short seminar as discussions on the outcrop, "plenary" discussions at morning and evening seminars, or short talks and discussions on boats while floating past key areas. This booklet became known as "the hymnal"; each participnat had one in a waterproof bag and their pages, sent in ahead of time by each participant, served as the "slides" for the river seminars.</p>
Phase 2 Study of EDG-5506 in Becker Muscular Dystrophy (GRAND CANYON)
ClinicalTrials.gov study NCT05291091. IPD Sharing: NO. Countries: 12. Publications: 0.
(2019) Supplementary figures for "Depicting Grand Canyon’s rock layers: 150 years of visualizing and interpreting geology"
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.