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769 results for “MOSAIC”
ٱلْمَمْلَكَة ٱلْعَرَبِيَّة ٱلسُّعُوْدِيَّة.الحناكية. جبل العهين. Arabic inscription offering a confession and quoting Qur'ān 10.90. Photo mosaic.
<p>Kingdom of Saudi Arabia, al-Ḥanākīya, <a href="https://doi.org/10.5281/zenodo.5594399">Jabal al-'Hayn</a>. Arabic inscription offering the confession of Rāfi<sup>c</sup> ibn <sup>c</sup>Alī, quoting <a href="https://quran.com/10">Qur'ān 10</a>: <a href="https://quran.com/10:90?font=v1&translations=131%2C20">90</a> and paraphrasing <a href="https://quran.com/3">Qur'ān 3</a>: <a href="https://quran.com/3:67?font=v1&translations=131%2C20">67</a>. Photo mosaic.</p> <p><strong>Coordinates: </strong>24°59'21"N 40°38'27"E. <a href="https://en.wikipedia.org/wiki/Jabal_al-%CA%BFHayn">Wikipedia</a>.</p> <ul> <li><a href="https://maxvanberchem.org/fr/thesaurus-d-epigraphie-islamique">Thesaurus d'Epigraphie Islamique</a> : <a href="http://www.epigraphie-islamique.uliege.be/Thesaurus/User/EpigraphyDisplay.aspx?id=14070&pan=1&st=ARABIE-%u1e24an%u0101kiyya+(al-)*&sc=5">FICHE 14070</a>; Donner (<a href="https://doi.org/10.5281/zenodo.4575259">1984</a>): no. W1.</li> </ul>
Historical digital elevation models (DEMs) and orthoimage mosaics for North American Glacier Aerial Photography (NAGAP) program, version 1.0
<p>This data archive contains digital elevation models (DEMs) and orthoimages generated from scanned historical aerial photographs from the North American Glacier Aerial Photography program available from the NSF Arctic Data Center (ADC, arcticdata.io). </p> <p>The scanned images were preprocessed using the <a href="https://github.com/friedrichknuth/hipp">Historical Image Pre-Processing</a> v0.1 software. Photogrammetric processing was performed with the <a href="https://github.com/friedrichknuth/hsfm">Historical Structure from Motion</a> v0.1 software. </p> <p>All DEM and orthoimage products are provided in the UTM Zone 10N (EPSG:32610) projected coordinate system. Elevation values are in meters above the WGS84 ellipsoid. </p> <p>See <a href="https://www.sciencedirect.com/science/article/pii/S0034425722004850">manuscript</a> and <a href="https://ars.els-cdn.com/content/image/1-s2.0-S0034425722004850-mmc1.pdf">supplement</a> for processing details and further dataset description.</p> <p>This release contains data products for two study sites in Washington state, USA:</p> <p><strong>Mount Baker</strong><br> 1970-09-09<br> 1970-09-29<br> 1974-08-10<br> 1977-09-27<br> 1979-10-06<br> 1987-08-21<br> 1990-09-05<br> 1991-09-09<br> 1992-09-15<br> 1992-09-18</p> <p><strong>South Cascade</strong><br> 1967-09-21<br> 1970-09-29<br> 1974-08-10<br> 1977-10-03<br> 1979-08-20<br> 1979-10-06<br> 1984-08-14<br> 1986-09-05<br> 1987-08-21<br> 1990-09-05<br> 1991-09-09<br> 1992-07-28<br> 1992-09-15<br> 1992-09-18<br> 1992-10-06<br> 1994-09-06<br> 1996-09-10<br> 1997-09-23</p> <p>The 00_thumbnails.jpg provides a quicklook overview at both sites.</p> <p><strong>The DEM and ortho file names are structured as follows:</strong><br> hsfm_NAGAP_[site-name]_[date]_[type].tif</p> <p><strong>For example:</strong><br> hsfm_NAGAP_south-cascade_19670921_ortho.tif</p> <p><strong>Where:</strong><br> [site-name] = Either mount-baker or south-cascade<br> [date] = Image acquisition date in YYYYMMDD format<br> [type] = File type</p> <p><strong>For each DEM and ortho pair, we provide the following:</strong><br> _1m_dem.tif = Digital elevation model posted at 1 m resolution <br> _ortho.tif = Orthoimage mosaic posted at the median image ground sample distance, rounded up to the nearest second decimal place.<br> _metadata.tar.gz = Metadata tarball containing:<br> _ortho_footprints.geojson = Orthoimage mosaic footprint polygons provided in GeoJSON format (EPSG:4326)<br> _dem_footprints.geojson = DEM footprint polygons provided in GeoJSON format (EPSG:4326)<br> _cameras.csv = Image file names, positions, and orientations</p>
Satellite-based measurements of brightness temperatures (AMSR2 sensor) colocated to MOSAiC ground measurements
<p>The file contains measurements of brightness temperatures of satellite overpasses of the research vessel Polarstern during the MOSAiC expedition from October 26, 2019 - May 26, 2020 as well as co-located measurements of different parameters. For every overpass of Polarstern, the satellite measurement closest to the hourly position of Polarstern is taken.</p> <p>The satellite sensor is AMSR2 (six frequencies between 6.9 and 89 GHz and both polarizations) and we use the Level 1R (<em>Madea et al., 2016)</em> product available at JAXA <a href="https://gportal.jaxa.jp/gpr/">https://gportal.jaxa.jp/gpr/</a></p> <p>The co-located parameters are liquid water path, total water vapor, sea ice concentration, multi-year ice fraction, snow depth, snow-air interface temperature, snow-ice interface temperature, wind speed and sea surface temperature. In addition to the co-located parameters as ground truth, the dataset also contains their “uncertainties” given as temporal and/or spatial variability.</p> <p>Note: The dataset contains <strong>only</strong> satellite overpasses where co-located data is available.</p> <p>More information on the parameters are found below and they are described in more detail in <em>Rückert et al., 2023</em><em> </em>and the references given therein.</p> <ul> <li> <p><strong>scantime</strong>: time of satellite observation as included in the satellite data from JAXA</p> </li> <li> <p><strong>lon</strong>: longitude in decimal degrees (DD) of satellite observations as included in the satellite data from JAXA</p> </li> <li> <p><strong>lat</strong>: latitude in decimal degrees (DD) of satellite observations as included in the satellite data from JAXA</p> </li> <li> <p><strong>distance</strong>: distance to the hourly Polarstern position</p> </li> <li> <p><strong>TB6.9V, TB6.9H, TB10.7V, TB10.7H, TB18.7V, TB18.7H, TB23.8V, </strong><strong>T</strong><strong>B23.8H, TB36.5V, TB36.5H, TB89V, TB89H</strong>: Brightness temperatures (TB) measured by AMSRE2, the name includes the frequency in GHz and the polarization (either H for horizontal or V for vertical polarization), e.g, TB6.9V is the brightness temperature at 6.9 GHz and vertical polarization</p> </li> <li> <p><strong>LWP</strong>: liquid water path in kg/m² measured by a radiometer onboard the ship (<em>Walbröl et al., 2022</em>), averaged within +/- 10 minutes of the satellite observations</p> </li> <li> <p><strong>sigma_LWP</strong>: temporal variability of liquid water path (see previous point) given as standard deviation within +/- 10 minutes of the satellite observation time</p> </li> <li> <p><strong>TWV</strong>: total water vapor (integrated water vapor) in kg/m² measured by a radiometer onboard the ship (<em>Walbröl et al. (2022)</em>), averaged within +/- 10 minutes satellite observation time</p> </li> <li> <p><strong>sigma_TWV</strong>: temporal variability of total water vapor (see previous point) given as standard deviation within +/- 10 minutes of the satellite observation time</p> </li> <li> <p><strong>WSP</strong>: wind speed in m/s from the vessel’s meteorological observatory (<em>Schmithüsen et al., 2021</em>), averaged within +/- 10 minutes of the satellite observation time</p> </li> <li> <p><strong>sigma_WSP</strong>: temporal variability of wind speed (see previous point) given as standard deviation within +/- 10 minutes of the satellite observation time</p> </li> <li> <p><strong>SST</strong>: sea water temperature in K from the vessel’s meteorological observatory (<em>Schmithüsen et al., 2021</em>), averaged within +/- 10 minutes of the satellite observation time</p> </li> <li> <p><strong>sigma_SST</strong>: temporal variability of sea water temperature (see previous point) given as standard deviation within +/- 10 minutes of the satellite observation time</p> </li> <li> <p><strong>SND</strong>: snow depth in m obtained from the median of daily snow depth from available Snow and Ice Mass Balance Apparatus (SIMBA) buoys (<em>Lei et al., 2021</em><em>a</em>) in the proximity of Polarstern.</p> </li> <li> <p><strong>sigma_SND</strong>: spatial variability of snow depth (see previous point) given as standard deviation of all buoys available on that day.</p> </li> <li> <p><strong>Tsi:</strong> Snow-ice interface temperature in K obtained from the median of daily measurements from available Snow and Ice Mass Balance Apparatus (SIMBA) buoys (e.g. <em>Lei et al., 2021b</em>, for references of all buoys the reader is referred to the references given in <em>Rückert et al., 2023</em>) in the proximity of Polarstern.</p> </li> <li> <p><strong>sigma_Tsi:</strong> spatial variability of snow-ice interface temperature (see previous point) given as standard deviation of all buoys available on that day.</p> </li> <li> <p><strong>MYIF:</strong> multi-year ice fraction (from 0 to 1) based on classified TerraSAR-X scenes (<em>Guo et al., 2023</em>) in the proximity of Polarstern, interpolated to daily values.</p> </li> <li> <p><strong>sigma_MYIF:</strong> estimated (constant) uncertainty of multi-year ice fraction (see previous point).</p> </li> <li> <p><strong>SIC</strong>: sea ice concentration (from 0 to 1) based on classified TerraSAR-X scenes (<em>Guo et al., 2023</em>) in the proximity of Polarstern, interpolated to daily values.</p> </li> <li> <p><strong>sigma_SIC:</strong> estimated (constant) uncertainty of sea ice concentration (see previous point).</p> </li> <li> <p><strong>Tsa</strong>: Snow-air interface temperature in K based on infrared thermometer data (<em>Cox et al., 2023 a)-d)</em>) installed at four positions in the proximity of Polarstern, averaged within +/- 20 minutes of the satellite observation time.</p> </li> <li> <p><strong>sigma_Tsa:</strong> spatial variability of snow-ice interface temperature (see previous point), given as spatial (4 sites) and temporal (within +/- 20 minutes of the satellite observation time) standard deviation.</p> </li> </ul>
Georectified Mosaic of Aerial Images of Baltimore City in 1953
Landscape analyses are typically done using spatially explicit color aerial imagery. However, working with non-spatial black and white historical aerial photographs presents several challenges that require a combination of techniques and approaches. We analyzed 113 aerial images covering approx. 700 km2 (270 mi2) including all of Baltimore City, and a portion of Baltimore County surrounding the City. The images were taken between August 23rd 1952 and February 14th 1953. High-resolution scans were georeferenced and georectified against modern satellite imagery of the area and then combined to create a single raster mosaic. This process converted the images from a disparate set of photographs into a spatially explicit GIS data set that can be used to observe changes in land patches over time—and ultimately integrated with other long-term social, economic, and ecological data.
Ireland S1A Complex Mosaic (May 2015)
<p>This multi-temporal colour composite by Sentinel-1A features land coverage and use across Ireland. The mosaic was generated by stitching together 16 Synthetic Aperture Radar (SAR) images acquired within a 12 day period, during May 2015. The RGB composite shows InSAR coherence (Red), average backscatter (Green) and difference in backscatter intensity (Blue) from Sentinel-1A VV pol. data. Data accessed via the Sentinels Scientific Data Hub (scihub.copernicus.eu) and processed using SNAP/S1 Toolbox (step.esa.int). All Sentinel-1 results available for download are Derived Works of Copernicus data (2015), subject to the Terms and Conditions for the use and distribution of Sentinel Data.</p> <p>Full story at http://www.esa.int/spaceinimages/Images/2016/04/Irish_mosaic.</p>
FIGURE 10 in A new genus of millipedes (Diplopoda: Polydesmida: Dalodesmidae) from Tasmania, Australia with a mosaic distribution
FIGURE 10. Gonopod of A. sodalis n. sp. Posterior and slightly mesal (left) and lateral (center) drawings of left gonopod telopodite of male, QVM 23: 25390. Lateral and slightly ventral SEM (right) of left gonopod telopodite of male, QVM 23: 25385. Setation not shown in drawings; dashed line marks course of prostatic groove.
FIGURE 6 in A new genus of millipedes (Diplopoda: Polydesmida: Dalodesmidae) from Tasmania, Australia with a mosaic distribution
FIGURE 6. Gonopod of A. silvaticum n. sp. Mesal (left) and lateral (center) drawings of left gonopod telopodite of male from QVM 23: 25286. Lateral and slightly ventral SEM (right) of right gonopod telopodite of another male from QVM 23: 25286. Setation not shown in drawings; dashed line marks course of prostatic groove.
FIGURE 11 in A new genus of millipedes (Diplopoda: Polydesmida: Dalodesmidae) from Tasmania, Australia with a mosaic distribution
FIGURE 11. Gonopod of A. wurrawurraense n. sp. Posterior and slightly lateral (left) and lateral (center) drawings of left gonopod telopodite of male from QVM 23: 25426. Lateral and slightly ventral SEM (right) of right gonopod telopodite of male, QVM 23: 25427. Setation not shown in drawings; dashed line marks course of prostatic groove.
FIGURE 8 in A new genus of millipedes (Diplopoda: Polydesmida: Dalodesmidae) from Tasmania, Australia with a mosaic distribution
FIGURE 8. Gonopod of A. montanum n. sp. Posterior (left) and lateral (center) drawings of left gonopod telopodite of male from QVM 23: 25322. Lateral and slightly anterior SEM (right) of left gonopod telopodite of male from QVM 23: 25326. Setation not shown in drawings; dashed line marks course of prostatic groove.
FIGURE 2 in A new genus of millipedes (Diplopoda: Polydesmida: Dalodesmidae) from Tasmania, Australia with a mosaic distribution
FIGURE 2. Adult male (left) and female (right) of A. montanum n. sp. from the same site on Projection Bluff, Central Plateau, Tasmania (male from QVM 23: 25337, female from QVM 23: 25345). Male is ca. 12 mm long when extended.
FIGURE 7 in A new genus of millipedes (Diplopoda: Polydesmida: Dalodesmidae) from Tasmania, Australia with a mosaic distribution
FIGURE 7. Gonopod of A. bonhami n. sp. Posterior and slightly mesal (left) and lateral (center) drawings of left gonopod telopodite of male, QVM 23: 25364. Lateral and slightly ventral SEM (right) of right gonopod telopodite of paratype male from QVM 23: 25277 Setation not shown in
FIGURE 3 in A new genus of millipedes (Diplopoda: Polydesmida: Dalodesmidae) from Tasmania, Australia with a mosaic distribution
FIGURE 3. Ventral SEM views of right side of somite 2 of male Atrophotergum spp., anterior to the right. Scale bar = 0.20 mm in both cases. (A) A. silvaticum n. sp., specimen from QVM 23: 25286, showing typical form of pit; (B) A. sodalis n. sp., QVM 23: 25385, showing shallow ventral excavation.
from A remarkable case of mosaic parapatry in millipedes - ZooKeys 156: 71-84 (20 December 2011) https://doi.org/10.3897/zookeys.156.1893
- Figure 6. Centroids of triangles in Figure 5. Co-occurrences of Tasmaniosoma compitale and Tasmaniosoma hickmanorum males are circled. Arrow points to area shown in Figure 8. Scale bar = 25 km.
Supplementary material 1: Parapatry_records from A remarkable case of mosaic parapatry in millipedes - ZooKeys 156: 71-84 (20 December 2011) https://doi.org/10.3897/zookeys.156.1893
ZIP archive contains: 1. All currently known locality records for the parapatric millipedes Tasmaniosoma compitale and T. hickmanorum, in spreadsheet (CSV) format. 2. 4 KML files giving localities for (1) males of Tasmaniosoma compitale and T. hickmanorum, (2) females of these species, (3) cooccurrences of these species (4) unidentified females of these species. KML annotation gives museum registration number for specimen lot.
from A remarkable case of mosaic parapatry in millipedes - ZooKeys 156: 71-84 (20 December 2011) https://doi.org/10.3897/zookeys.156.1893
- Figure 1. Localities for male Tasmaniosoma hickmanorum. Scale bar = 100 km. Rectangle indicates map extent in Figs 2–6.
from A remarkable case of mosaic parapatry in millipedes - ZooKeys 156: 71-84 (20 December 2011) https://doi.org/10.3897/zookeys.156.1893
- Figure 5. Edited Delaunay triangulation of localities for male Tasmaniosoma compitale (filled circles), Tasmaniosoma hickmanorum (open circles) and co-occurrences (stars); see text for explanation. Scale bar = 25 km.
from A remarkable case of mosaic parapatry in millipedes - ZooKeys 156: 71-84 (20 December 2011) https://doi.org/10.3897/zookeys.156.1893
- Figure 2. Localities for Tasmaniosoma hickmanorum males (filled squares) and females identified by colour (open squares). Ellipse encloses Arthur-Hellyer 'island' (see text for explanation). Scale bar = 25 km.
from A remarkable case of mosaic parapatry in millipedes - ZooKeys 156: 71-84 (20 December 2011) https://doi.org/10.3897/zookeys.156.1893
- Figure 4. Delaunay triangulation of localities for male Tasmaniosoma compitale (filled circles), Tasmaniosoma hickmanorum (open circles) and co-occurrences (stars). The set of localities used has been trimmed to the vicinity of the parapatric boundary, and Tasmaniosoma hickmanorum localities in the Arthur-Hellyer 'island' and Tasmaniosoma compitale localities at the Vale of Belvoir have been excluded. Scale bar = 25 km.
from A remarkable case of mosaic parapatry in millipedes - ZooKeys 156: 71-84 (20 December 2011) https://doi.org/10.3897/zookeys.156.1893
- Figure 7C, D. Centroids from Fig. 6 superimposed on simplified bedrock geology C and mean annual rainfall isohyets, in mm D. In C, colours crossed by main parapatric boundary represent (anticlockwise from top left) Quaternary coastal sand and gravel (gray-blue), Precambrian siltstone and mudstone (orange), Precambrian metamorphics (green), Cambrian conglomerate and siltstone (gray-green), Tertiary basalt (light brown) and Permian glaciomarine sedimentary rocks (red-brown). Scale bars = 25 km.
from A remarkable case of mosaic parapatry in millipedes - ZooKeys 156: 71-84 (20 December 2011) https://doi.org/10.3897/zookeys.156.1893
- Figure 3. Localities for Tasmaniosoma compitale males (filled squares) and females identified by colour (open squares). Outliers (circled) are at the Vale of Belvoir. Scale bar = 25 km.
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