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10,016 results for “Observation”
Associated modeling data & materials for manuscript: Observing the evolution of the Sun's global coronal magnetic field over eight months
<p>This archive contains the magnetohydrodynamic (MHD) modeling materials associated with the manuscript:</p> <p>"<em>Observing the evolution of the Sun’s global coronal magnetic field over eight months</em>"</p> <p>by Zihao Yang, Hui Tian, Steven Tomczyk, Xianyu Liu, Sarah Gibson,<br>Richard Morton, and Cooper Downs</p> <p>Science, 386(6717), 76-82, <strong>2024</strong>, DOI: <a title="Observing the evolution of the Sun&rsquo;s global coronal magnetic field over eight months" href="http://doi.org/10.1126/science.ado2993" target="_blank" rel="noopener">10.1126/science.ado2993</a></p> <p>This archive is intended for transparency and reproduceability purposes. It contains the MHD model source code, run inputs, run outputs, and example python scripts for working with the model data.</p> <p># Contents<br>The subfolders are organized as follows:</p> <p>### source<br>This folder contains the the high-performance MHD code "Magnetohydrodynamic Algorithm outside a Sphere" (MAS) and associated files. MAS is written in Fortran. The dependencies are very straightforward. See `README_MAS.txt` and the associated Makefile for compilation instructions.</p> <p>### runs<br>This folder contains the three MHD model runs that are described in the manuscript. See `README_Runs.txt` for more information on the inputs and outputs. Each folder contains all files required for recreating the run.</p> <p>### scripts<br>This folder contains some example python scripts that illustrate how to read the model data files. This includes an example that will convert the raw 3D data to physical units and place all variables on a common, non-staggered mesh. See `README_Scripts.txt` for more information.</p> <p># Additional Notes<br>MAS is developed and maintained by Predictive Science Inc. (PSI) in San Diego California.</p> <p>The version of MAS in the source folder is not the most recent version. It is the exact version of MAS from the main branch that was used for MHDweb CORHEL runs circa 2022 when similar runs were first posted to PSI's website. For this reason, we used this exact version of MAS for the runs described in the manuscript. As such, MAS is licensed here using the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International license. Please see the LICENSE file or visit https://creativecommons.org/licenses/by-nc-nd/4.0/ for details. </p> <p>We are currently working on a project that includes a public, open source release of MAS on GitHub, which will be licensed appropriately. This archive is not intended for that purpose.</p> <p>If you have questions, concerns, or issues installing or running this code for reproduceability purposes, please contact Cooper Downs <cdowns@predsci.com>.</p>
Amateur Radio Spot Data for "First Observations Linking Large-Scale Traveling Ionospheric Disturbances to Polar Vortex Strength"
<p>This repository contains the raw data amateur radio data used to compute the Large Scale Traveling Ionosphic Disturbance activity presented the<br>Geophysical Research Letters manuscript<br>"First Observations Linking Large-Scale Traveling Ionospheric Disturbances to Polar Vortex Strength".</p> <p>This dataset has monthy *.tar files containing daily bzip2 Comma Separated Value (CSV) files of data from the following amateur radio spotting networks for the time period November 2018 - May 2019:</p> <ol> <li><a href="https://pskreporter.info/" target="_blank" rel="noopener">PSKReporter (https://pskreporter.info/)</a></li> <li><a href="https://www.wsprnet.org/" target="_blank" rel="noopener">Weak Signal Propagation Reporter Network (WSPRNet, https://www.wsprnet.org/)</a></li> <li><a href="https://reversebeacon.net/" target="_blank" rel="noopener">Reverse Beacon Network (https://reversebeacon.net/)</a></li> </ol> <p>Where necessary, spots have been geolocated using latitudes and longitudes from <a href="https://www.qrz.com/">https://www.qrz.com/</a>.</p> <p>We are grateful to the operators of PSKReporter, WSPRNet, and the Reverse Beacon Network for the use of their data.</p> <p>The columns of each CSV file correspond to the following values:</p> <p># [0] UTC Datetime <br># [1] Transmitter Call Sign<br># [2] Transmitter Maidenhead Grid Square<br># [3] Transmitter Geographic Latitude<br># [4] Transmitter Geographic Longitude<br># [5] Source of Transmitter Gride Information<br>#<br># [6] Receiver Maidenhead Grid Square<br># [7] Receiver Geographic Latitude<br># [8] Receiver Geographic Longitude<br># [9] Source of Receiver Gride Information<br>#<br># [11] Frequency (Hz)<br># [12] Signal to Noise Ration (SNR) [dB]<br># [13] Mode<br>#<br># [14] Source<br># [15] Sender Status<br># [16] Inter-Modulation Distortion (IMD)<br># [17] ipOriginID<br># [18] sendeMobileLocator<br># [19] c1<br># [10] c2<br># [21] mode2</p> <p># Computed Fields<br># [22] Great Circle Short Path [km]<br># [23] Great Circle Short Path Midpoint Geographic Latitude<br># [24] Great Circle Short Path Midpoint Geographic Longitude</p> <p>This dataset is designed to be used with the LSTID autodetection software available at <a href="https://doi.org/10.5281/zenodo.13630867" target="_blank" rel="noopener">https://doi.org/10.5281/zenodo.13630867</a>.</p>
FIGURE 3. Neobertiera glomerata. A. Habit. B. Node with stipule. C in Revision of Neobertiera (Rubiaceae, Sipaneeae) with observations on distyly, and three new species from the Guianas
FIGURE 3. Neobertiera glomerata. A. Habit. B. Node with stipule. C. Dissected long-styled flower, with stamens inserted at the middle of the corolla tube. D. Dissected long-styled flower, with stamens inserted at lower portion of the corolla tube. E. Dissected short-styled flower, with stamens inserted at the upper portion of the corolla tube. F. Fruit. A−C: drawn from Delprete & Quenette 11860 (CAY); D: drawn from Granville 2888 (CAY); E: drawn from Feuillet 3635 (CAY); F: drawn from Granville 2888 (UB). Illustration by Piero G. Delprete.
FIGURE 6. Neobertiera gracilis. A. Habit. B. Node with stipule. C in Revision of Neobertiera (Rubiaceae, Sipaneeae) with observations on distyly, and three new species from the Guianas
FIGURE 6. Neobertiera gracilis. A. Habit. B. Node with stipule. C. Detail of a lateral branch of a fully developed inflorescence. D. Dissected short-styled flower, with stamens inserted at the upper portion of the corolla tube. E. Dissected long-styled flower, with stamens inserted at the middle of the corolla tube. F. Fruit. A−B: drawn from Maguire & Fanshawe 22964 (F); C: drawn from Gleason 6 (US) D: drawn from Grewal & Persaud 110 (L); E: drawn from Schultz & Wessels Boer LBB 10223 (L); F: drawn from Smith 2106 (US). Illustration by Piero G. Delprete.
FIGURE 4. Neobertiera glomerata. A. Flowering branch. B. Node with stipule. C. Inflorescence. D in Revision of Neobertiera (Rubiaceae, Sipaneeae) with observations on distyly, and three new species from the Guianas
FIGURE 4. Neobertiera glomerata. A. Flowering branch. B. Node with stipule. C. Inflorescence. D. Close-up of inflorescence. Photos by G. Quenette.
FIGURE 1. Neobertiera micrantha. A. Habit. B. Node with stipule. C in Revision of Neobertiera (Rubiaceae, Sipaneeae) with observations on distyly, and three new species from the Guianas
FIGURE 1. Neobertiera micrantha. A. Habit. B. Node with stipule. C. Flower in anthesis. D. Dissected long-styled flower, with stamens inserted at lower portion of the corolla tube. Drawn from Cremers & Granville 14097 (CAY). Illustration by Piero G. Delprete.
FIGURE 1 in Nomenclatural notes and morphological observations on Malva subovata s.l. (Malvaceae)
FIGURE 1. Lectotype of the name Lavatera maritima Gouan var. trilobata Rouy (Reliq. Maill. No. 960, LY).
Supplement videos for manuscript Impacts of storm "Zyprian" on middle and upper atmosphere observed from Central European stations
<p>Supplement video material for the manuscript Impacts of storm “Zyprian” on middle and upper atmosphere observed from Central European stations. It contains loop of MSG satellite observation and infrasound animations.</p>
FIGURE 5 in Evaluating the occurrence and conservation statuses of Sri Lankan Orchids (Orchidaceae): Observations on newly recorded species and undocumented regions
FIGURE 5. (A). Habenaria pterocarpa (B). Ipsea speciosa (C). Liparis elliptica (D). Liparis brachyglottis (E). Podochilus warnagalensis (F). Zeuxine reginasilvae.
FIGURE 4 in Evaluating the occurrence and conservation statuses of Sri Lankan Orchids (Orchidaceae): Observations on newly recorded species and undocumented regions
FIGURE 4. (A). Acanthephippium bicolor (B). Aerangis hologlottis (C). Anoectochilus regalis (D). Arundina minor (E). Didymoplexis pallens (F). Habenaria dolichostachya.
data of " Arctic sea fog observation along trans-Arctic shipping routes"
<p>2025-03-08 Erratum for the 【README.txt】 file : The ASOS station data in the 【ASOS Arctic sites.zip】 file covers the period from 1971 to 2023. However, in the article 'Observed Climatology and Formation Mechanisms of Sea Fog Along the Trans-Arctic Shipping Routes', the study timeframe was selected as 1979–2023 to account for data quality considerations and to facilitate cross-dataset comparisons.</p>
FIGURE 1 in The phylogenetic position of Polysiphonia scopulorum (Rhodomelaceae, Rhodophyta) based on molecular analyses and morphological observations of specimens from the type locality in Western Australia
FIGURE 1. Phylogenetic tree of the genus Polysiphonia sensu lato and outgroup taxon estimated with Maximum Likelihood (RAxML) analysis of rbcL sequences. Samples in bold type represent our data collected from Rottnest Island, Western Australia, while samples in plain type were downloaded from GenBank. Values at nodes indicate ML bootstrap support (BP) and the scale indicates substitutions per site.
FIGURE 2. Polysiphonia scopulorum Harvey. A in The phylogenetic position of Polysiphonia scopulorum (Rhodomelaceae, Rhodophyta) based on molecular analyses and morphological observations of specimens from the type locality in Western Australia
FIGURE 2. Polysiphonia scopulorum Harvey. A: Tetrasporophyte (Rottnest Island, Australia; 11 November 2015); B & C: Prostrate axes and numerous erect axes; D: Unicellular rhizoid in open connection (arrowhead) with a pericentral cell and apex of prostrate axes (arrow); E: Unicellular rhizoid in open connection (arrowhead) with pericentral cell and erect axes (arrow); F: Irregular branching pattern; G: Scar cells on erect axes; H: Cross-section of erect axes; I: Discoid rhodoplasts in pericentral cells; J: Apical cell (arrowhead) and endogenous branching (arrows) in erect axes; K–M: Apical cell (arrowhead) and exogenous branching (arrows) in erect axes; N: Apex of erect axes (arrowhead: apical cell); O & P: Trichoblast; Q: Adventitious branch (arrowhead); R: Tetrahedrally divided tetrasporangia; S: Tetrasporangia (arrowheads) and trichoblast or scar cells (arrows); T: Cross-section of tetrasporangial branch (arrowheads: pericentral cells, arrows: presporangial cover cells, t: tetrasporangium, cc: central cell); U: Slightly spiral arrangement of tetrasporangial series (Scale bars: A = 5 mm, B, C, F = 500 μm; D, E, H, I, Q, R, S, T = 50 μm; G, P, U = 100 μm; J–M = 20 μm; N = 30 μm; O = 200 μm).
Additional code and data for running the simulations presented in the article "Using observations of surface fracture to address ill-posed ice softness estimation over Pine Island Glacier"
<p>The data required to run the inverse problems described in the article "Using observations of surface fracture to address ill-posed ice softness estimation over Pine Island Glacier" along with code specific to the modified inverse problem described therein, additional to that downloadable from BISICLES is downloadable from https://commons.lbl.gov/display/bisicles/BISICLES.</p> <p>These data are restricted to those involved in reviewing the aforementioned article.</p>
FIGURES 25−28 in Adlafia moseri and A. tjibaoui two new diatom species (Bacillariophyta) from New Caledonia with further observations on Adlafia muscora and Kobayasiella saxicola
FIGURES 25−28. Adlafia tjibaoui sp. nov. SEM. Fig. 25. External view of an entire valve showing the stria pattern and the curved raphe branches. Fig. 26. External view showing the terminal fissure not extending on the mantle. Fig. 27. Internal view of a valve showing the linear axial area, the quadrangular areolae and the Voigt faults (arrows). Fig. 28. Detail of Fig. 27 showing the proximal raphe endings curved to the primary side of the valve and Voigt fault (arrow). Note the shortened striae around the central area. Scale bar = 2 μm.
FIGURE 1. a in Adlafia moseri and A. tjibaoui two new diatom species (Bacillariophyta) from New Caledonia with further observations on Adlafia muscora and Kobayasiella saxicola
FIGURE 1. a. Global map of South-West Pacific region. b. Locations of the sampling sites during the latest campaigns 2012−2013. c. Locations of the population of Adlafia tjibaoui sp. nov. (squares) and its type locality (arrow). d. Locations of the population of Adlafia moseri sp. nov. (triangles) and its type locality (arrow) and locations of the population of Kobayasiella saxicola (stars).
FIGURES 19−24 in Adlafia moseri and A. tjibaoui two new diatom species (Bacillariophyta) from New Caledonia with further observations on Adlafia muscora and Kobayasiella saxicola
FIGURES 19−24. Adlafia tjibaoui sp. nov., type material from New Caledonia. Valves showing the variation in valve outline and size, LM. Scale bar = 10 μm.
FIGURES 32−36. Kobayasiella saxicola, material from New Caledonia SEM. Fig. 32 in Adlafia moseri and A. tjibaoui two new diatom species (Bacillariophyta) from New Caledonia with further observations on Adlafia muscora and Kobayasiella saxicola
FIGURES 32−36. Kobayasiella saxicola, material from New Caledonia SEM. Fig. 32. External view of an entire valve showing the striation pattern, two umbilicus (arrows) and the marginal area (arrowhead). Fig. 33. Detail of a part of a valve showing the umbilicus (arrow) and the two branched striae corresponding to the shift in the direction of the striae. Fig. 34. Detail of the center of the valve showing the elongated proximal raphe endings, long and short striae and the marginal hyaline area (arrow) and alveolate striae on the mantle (arrowhead). Fig. 35. External view showing alveolate striae in continuation of the terminal fissure and alveolate striae on the mantle (arrow). Fig. 36. Internal view of an entire valve showing alternating long and short striae along the central area and the marginal hyaline area (arrow). Fig. 37. Detail of alveolate striae showing the rows of tiny pores. Scale bars = 10 μm (Figs 32, 36), 2 μm (Fig. 33), 1 μm (Figs 34, 35, 37).
FIGURES 14−18 in Adlafia moseri and A. tjibaoui two new diatom species (Bacillariophyta) from New Caledonia with further observations on Adlafia muscora and Kobayasiella saxicola
FIGURES 14−18. Adlafia moseri sp. nov. SEM. Fig. 14. External view of an entire valve showing the shadowed striae pattern. Fig. 15. Internal view of a valve. Voigt faults (arrows). Fig. 16. Internal view of a triundulate specimen. Fig. 17. Internal view, detail of the center of the valve. Small central nodule (arrow). Fig. 18. Internal view of a valve showing two open copulae with a row of pores. Scale bars = 10 μm (Figs 14−17), 2 μm (Fig. 18).
FIGURES 29–31. Adlafia muscora SEM. 29 in Adlafia moseri and A. tjibaoui two new diatom species (Bacillariophyta) from New Caledonia with further observations on Adlafia muscora and Kobayasiella saxicola
FIGURES 29–31. Adlafia muscora SEM. 29. External view of an entire valve. GFig. 30. Internal view of an entire valve. Fig. 31. Detail of the internal proximal raphe fissures strongly bent towards the primary side and very close each other. Scale bars = 2 μm (Figs 29, 30), 1 μm (Fig. 31).
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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.