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138 results for “Boulders”
FIGURE 6 in A new frog species (Microhylidae: Cophixalus) from boulder-pile habitat of Cape Melville, north-east Australia
FIGURE 6. Habitat of C. petrophilus sp. nov., Melville Range. The Melville Range is largely composed of massive boulderpiles devoid of vegetation (6A). Rainforest occurs on some slopes and gullies (6B) and more extensively on the elevated plateau (the edge of which can be seen on the ridgeline here).
FIGURE 5 in A new frog species (Microhylidae: Cophixalus) from boulder-pile habitat of Cape Melville, north-east Australia
FIGURE 5. Map of north-east Queensland, showing the locality of Cape Melville, McIlwraith Range and Black Mountain, and the Cophixalus present in each of these areas. The map also shows the northern Wet Tropics, a region containing numerous rainforest Cophixalus species. The inset shows Australia. Background image is from Google Earth (2013).
FIGURE 2 in A new frog species (Microhylidae: Cophixalus) from boulder-pile habitat of Cape Melville, north-east Australia
FIGURE 2. Comparison of: (A) C. petrophilus sp. nov., male; (B) C. petrophilus sp. nov., female; (C) C. saxatilis, male; (D) C. saxatilis, female; (E) C. zweifeli, male; (F) C. zweifeli, female.
FIGURE 1 in A new frog species (Microhylidae: Cophixalus) from boulder-pile habitat of Cape Melville, north-east Australia
FIGURE 1. Cophixalus petrophilus sp. nov. in life: (A) male, holotype; (B) male; (C) female; (D) male, ventral.
FIGURE 4. A in A new frog species (Microhylidae: Cophixalus) from boulder-pile habitat of Cape Melville, north-east Australia
FIGURE 4. A single call of: (A) C. petrophilus sp. nov., (B) C. saxatilis, (C) C. zweifeli. Top row shows waveform, displaying amplitude (y-axis) against time (x-axis, seconds). Bottom row shows spectrogram, displaying call frequency (y-axis) and intensity (degree of shading) against time (x-axis, seconds).
FIGURE 1. A in The advertisement call and clutch size of the Golden-capped Boulder-frog Cophixalus pakayakulangun (Anura: Microhylidae)
FIGURE 1. A single call of: (A) C. pakayakulangun and (B) C. kulakula. Top row shows waveform, displaying amplitude (y-axis) against time (x-axis, seconds). Bottom row shows spectrogram, displaying call frequency (y-axis) and intensity (degree of shading) against time (x-axis, seconds). Air temperature for both recordings was 28°C.
The dataset for the paper "Long-Lived and Continual Volcanic Eruptions, Tectonic Activity, Pit Chains Formation and Boulder Avalanches in Northern Tharsis Region: Implications for Late Amazonian Geodynamics and Seismo-Tectonic Processes on Mars" JGR: Planets.
<p>This dataset pertains to the following paper in Journal of Geophysical Research: Planets.</p> <p>Krishnan, V., and Kumar, P.S. (2022), Long-Lived and Continual Volcanic Eruptions, Tectonic Activity, Pit Chains Formation and Boulder Avalanches in Northern Tharsis Region: Implications for Late Amazonian Geodynamics and Seismo-Tectonic Processes on Mars, Journal of Geophysical Research: Planets (for full citation, please see the journal). AGU Manuscript No. 2022JE007511.</p> <p> </p>
Diurnal ejection of boulder clusters on comet 67P lasting beyond 3 AU
<p>Dataset for manuscript "Diurnal ejection of boulder clusters on comet 67P lasting beyond 3 AU". Files descriptions:</p> <p>01. bouder_statistics.txt contains results from the photometric analysis of all 268 boulders identified in all ejection events<br> column 1 - boulder index<br> column 2 - event time (yy-mm-ddThh)<br> column 3 - local time of ejection (hour)<br> column 4 - heliocentric distance (au)<br> column 5 - equivalent radius (m)<br> column 6 - projected speed (m/s)<br> column 7 - acceleration (exists when more than one observation of the same boulder was found)<br> column 8 - modelled surface time at the source region at the ejection time)</p> <p>02. ejection_source.txt contains the coordinates of the inferred source point and the direction vector of its surface normal.</p> <p>03. ellipsoidal_boulder_shape.obj is the face-vertex representation of the modelled ellipsoidal boulder and its surroundings</p> <p>04. ellipsoidal_boulder_thermal.txt contains the modelled thermal condition of the ellipsoidal boulder at the time of observation of the event on 2016-05-07. It is formated as follows:<br> column 1 - facet number<br> column 2 - insolation (W m^-2)<br> column 3 - surface temperature (K)<br> column 4 - water flux rate (kg m^-2 s^-1)<br> column 5 - surface pressure (Pa)</p>
Cup and Ring Boulder - Bluebell Wood
Cup and ring marked boulder, 3000-1700 BCE with three large cup marks, surrounded by circles. From Bluebell Wood, Langside, Glasgow In the Kelvingrove Museum, Glasgow Source: Objaverse 1.0 / Sketchfab
Amazonian Ecuador Petroglyph Boulder
Modern 'enhancement' damage. Source: Objaverse 1.0 / Sketchfab
Data from: Candelariella clarkii and Lecidea hoganii: two lichen species new to science from White Rocks Open Space, City of Boulder, Colorado
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Data from: Bouldering: an alternative strategy to long-vertical climbing in root-climbing hortensias
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FIGURE 5 in Two new frog species (Microhylidae: Cophixalus) from boulder habitats on Cape York Peninsula, north-east Australia
FIGURE 5. Habitat of Cophixalus kulakula sp. nov., Mt Tozer region (photo: Kieran Aland).
FIGURE 7 in Two new frog species (Microhylidae: Cophixalus) from boulder habitats on Cape York Peninsula, north-east Australia
FIGURE 7. Habitat of Cophixalus pakayakulangun sp. nov., Stanley Hill area (photo: Conrad Hoskin).
GPR dataset Boulder Clay Antarctica
<p>A complete GPR dataset collected on the Boulder Clay Glacier (Antactica) is provided.</p> <p>Data are in SEG-Y format and geographic coordinates are also in the dataset.</p> <p>Please refer to the readme files for further information.</p>
FIGURE 8 in A new species of Nactus gecko from boulder-pile habitat on Dauan Island, Torres Strait, Australia
FIGURE 8. Habitat of N. simakal sp. nov. on Dauan Island. Photo: Conrad Hoskin.
The distribution of climbing chalk on climbed boulders and its impact on rock-dwelling fern and moss species
<p>Rock climbing is popular and the number of climbers rises worldwide. Numerous studies on the impact of climbing on rock-dwelling plants have reported negative effects, which were mainly attributed to mechanical disturbances such as trampling and removal of soil and vegetation. However, climbers also use climbing chalk (magnesium carbonate hydroxide) whose potential chemical effects on rock-dwelling species have not been assessed so far. Climbing chalk is expected to alter the pH and nutrient conditions on rocks, which may affect rock-dwelling organisms. We elucidated two fundamental aspects of climbing chalk:</p> <ol> <li>Its distribution along non-overhanging climbing routes was measured on regularly spaced raster points on gneiss boulders used for bouldering (ropeless climbing at low height). These measurements revealed elevated climbing chalk levels even on 65% of sampling points without any visual traces of climbing chalk.</li> <li>The impact of climbing chalk on rock-dwelling plants was assessed with four fern and four moss species in an experimental set-up in a climate chamber.</li> </ol> <p>The experiment showed significant negative, though varied effects of elevated climbing chalk concentrations on the germination and survival of both ferns and mosses. The study thus suggests that along climbing routes elevated climbing chalk concentration can occur even were no chalk traces are visible and that climbing chalk can have negative impacts on rock-dwelling organisms.</p>
FIGURE 3 in A new frog species (Microhylidae: Cophixalus) from boulder-pile habitat of Cape Melville, north-east Australia
FIGURE 3. Holotype of C. petrophilus sp. nov. (QMJ92560): (A) dorsolateral, (B) ventral.
Datasets for the Icarus paper "Evidence for trail forming ejecta boulder falls around fresh simple impact craters at the lunar Orientale multi-ring basin and implications for ballistic ejecta sedimentation"
<p>This dataset has been used to prepare some figures in our Icarus paper. </p>
Data from: Hot rocks and not-so-hot rocks on the seashore: patterns and body-size dependent consequences of microclimatic variation in intertidal zone boulder habitat
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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.