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73 results for “science journalism”
Data Supplement for 'Curled Wake Development of a Yawed Wind Turbine at Turbulent and Sheared Inflow' - Wind Energy Science Journal
<p>Data Supplement for 'Curled Wake Development of a Yawed Wind Turbine at Turbulent and Sheared Inflow' - Wind Energy Science Journal</p> <p>This database contains the measurement using a model wind turbine with 0.6m diameter(D) in a wind tunnel. A short-range Lidar WindScanner facilitated mapping the wake with a high spatial and temporal resolution in vertical, cross-stream planes at different downstream locations and in a horizontal plane at hub height.</p> <p>The measurement campaign was conducted in the large wind tunnel at ForWind-University of Oldenburg. The wind tunnel has a test section cross-section with the dimensions of 3m x3m. For this study three movable test section elements of 6m length were attached for a total enclosed length of 18m. The roof of the test section was adjusted to compensate for boundary layer growth to achieve a zero pressure gradient for the target wind speed of the experiments, nominally 7.5m/s, with an empty tunnel with no grid or turbine installed. The three-bladed MoWiTO 0.6 wind turbine model(Schottler et al.(2016)), with a hub height (h) of 0.77m and a diameter of 0.58m was placed at a distance of 2.4D downstream of the test section inlet, where the distance was measured to the centre of the rotor. In addition, the distance between the rotor center and the tower center is 110mm.<br> The flow blockage, based on rotor swept area and tower flow-facing area, was 2.7%. The wind turbine controller is based on the torque of the generator (Petrovi ́c et al. (2018)) leading to a tip speed ratio of 5.7 at the operational point during non-misaligned cases with no grid. More information can be found in the paper.</p> <p>The folder contains 12 unique .mat files each containing a matlab structure. The matlab structure conatins the vertical and horizontal scan for each inflow and operational condition:<br> With the upstream turbine installed:<br> - Yaw0_Uniform_NoGrid<br> - 1D, 2D, 3D, 5D, 13D, 16D, Horizontal<br> - Yaw30_Uniform_NoGrid<br> - 1D, 2D, 3D, 5D, 13D, 16D, Horizontal<br> - Yawneg30_Uniform_NoGrid<br> - 1D, 2D, 3D, 5D, 13D, 16D, Horizontal</p> <p> - Yaw0_Uniform_PassiveGrid<br> - 1D, 2D, 3D, 5D, 7D, 10D, Horizontal<br> - Yaw30_Uniform_PassiveGrid<br> - 1D, 2D, 3D, 5D, 7D, 10D, Horizontal<br> - Yawneg30_Uniform_PassiveGrid<br> - 1D, 2D, 3D, 5D, 7D, 10D, Horizontal </p> <p> - Yaw0_BoundaryLayer_PassiveGrid<br> - 1D, 2D, 3D, 5D, 7D, 10D, Horizontal<br> - Yaw30_BoundaryLayer_PassiveGrid<br> - 1D, 2D, 3D, 5D, 7D, 10D, Horizontal<br> - Yawneg30_BoundaryLayer_PassiveGrid<br> - 1D, 2D, 3D, 5D, 7D, 10D, Horizontal </p> <p>Without the upstream turbine installed:<br> - NoTurbine_Uniform_NoGrid<br> - 1D, 2D, 3D, 5D, 13D, 16D<br> - NoTurbine_Uniform_PassiveGrid<br> - 0D, 1D, 2D, 3D, 5D, 7D, 10D<br> - NoTurbine_BoundaryLayer_PassiveGrid<br> - 0D, 1D, 2D, 3D, 5D, 7D, 10D </p> <p>Within each substructure the following parameters are provided:<br> - v_los [m/s] ----------> Line of sight velocity<br> - sigma [m/s] ----------> Spectrum width<br> - x_Global_frame [m] ---> x-coordinate referenced at the lower grid midpoint<br> - y_Global_frame [m] ---> y-coordinate referenced at the lower grid midpoint<br> - z_Global_frame [m] ---> z-coordinate referenced at the lower grid midpoint<br> - xx [m] ---------------> Grid of the x-coordinate referenced at the lower grid midpoint<br> - yy [m] ---------------> Grid of the y-coordinate referenced at the lower grid midpoint<br> - zz [m] ---------------> Grid of the z-coordinate referenced at the lower grid midpoint<br> - uu [m/s] -------------> Horizontal wind speed at the position of the gridded coordinates, these data have been interpolated onto the grid<br> </p> <p>When using this database please reference to the journal paper.</p> <p>All data has been included without warranty, express or implied.</p> <p>For further questions, please contact the corresponding author.<br> </p>
International Journal of Economics and Management Sciences
<table> <tbody> <tr> <td>International Journal of Economics and Management Sciences (IJEMS) is a double blinded reviewed open access journal published bimonthly. Our journal welcomes scientific productions in all areas of economics and management sciences, both theoretical and applied studies will be taken in consideration for evaluation and publication. All research methodologies are welcome. The main objective of our journal is to publish articles that have a significant managerial and theoretical contributions. <p>Our journal receives contributions from both researchers and professionals in the following areas:</p> <p>- Management <br> - Economics</p> </td> </tr> </tbody> </table>
SUPORTING MATERIAL OF PAPER "Observing temperature reliably using passively ventilated radiation shields and a regression-based method to improve accuracy" under revision to the journal "Bulletin of atmos. science and technology"
<p>SUPORTING MATERIAL OF PAPER "<strong>Observing temperature reliably using passively ventilated radiation shields and a regression-based method to improve</strong> <strong>accuracy" under revision to the journal "Bulletin of atmos. science and technology"</strong></p> <p><strong>Contains data from 01 June to 03 Sep 2020, Graph 1-7 of radiation error versus factor X for shields 1 to 07</strong></p>
Alligator Reef checklist.xlsx: the spreadsheet version of the checklist of Alligator Reef fishes, from Starck, W.A., Estapé C.J. & Morgan Estapé, A. (2017) The fishes of Alligator Reef and environs in the Florida Keys: a half-century update. Journal of the Ocean Science Foundation, 27, 74–117.
<p>Alligator Reef checklist.xlsx: the spreadsheet version of the checklist of Alligator Reef fishes, from Starck, W.A., Estapé C.J. & Morgan Estapé, A. (2017) The fishes of Alligator Reef and environs in the Florida Keys: a half-century update. Journal of the Ocean Science Foundation, 27, 74–117.</p>
AlligatorReefPhotos.pdf: a selection of images of various reef habitats on Alligator Reef, Florida Keys, from both the 1960s and today, for Starck, W.A., Estapé C.J. & Morgan Estapé, A. (2017) The fishes of Alligator Reef and environs in the Florida Keys: a half-century update. Journal of the Ocean Science Foundation, 27, 74–117.
<p>AlligatorReefPhotos.pdf: a selection of images of various reef habitats from both the 1960s and today, for Starck, W.A., Estapé C.J. & Morgan Estapé, A. (2017) The fishes of Alligator Reef and environs in the Florida Keys: a half-century update. Journal of the Ocean Science Foundation, 27, 74–117.</p>
Species Photos.zip Archive of fish species images for the publication of: Starck, W.A., Estapé C.J. & Morgan Estapé, A. (2017) The fishes of Alligator Reef and environs in the Florida Keys: a half-century update. Journal of the Ocean Science Foundation, 27, 74–117.
<p>Species Photos.zip </p> <p>Archive of fish species images for the publication of:</p> <p>Starck, W.A., Estapé C.J. & Morgan Estapé, A. (2017) The fishes of Alligator Reef and environs in the Florida Keys: a half-century update. Journal of the Ocean Science Foundation, 27, 74–117.</p> <p>323 images, 318 species total,(5 species of Pomacentridae have pictures of both juvenile and adult phases)</p> <p>Carcharodon carcharias screen grab from video*<br> Centropristis ocyurus photo by C.Wangen<br> Dasyatis centroura screen grab from video by Ed. Martin<br> Diapterus sp. photo by Ed Martin. </p> <p>All other photos taken by Carlos Estapé and Allison Estapé in the study area (319 images of 314 species)</p> <p>*YouTube video - Snorkelers Spot Great White Shark Off Islamorada, https://www.youtube.com/watch?v=50l2grfaNQ4</p>
Tortured phrases: A dubious writing style emerging in science. Evidence of critical issues affecting established journals.
<p>Supplementary materials to preprint <a href="https://arxiv.org/abs/2107.06751">https://arxiv.org/abs/2107.06751</a>.</p>
Le Journal of Open Humanities Data (JOHD) : enjeux et défis dans la publication de data papers pour les sciences humaines et sociales (SHS)
<p>This repository hosts the pre-print version of the paper and the data used for the following publication:</p> <p>Marongiu, Paola; Pedrazzini, Nilo; Ribary, Marton; McGillivray, Barbara (forthcoming). "<strong>Le <em>Journal of Open Humanities Data</em> (<em>JOHD</em>) : enjeux et défis dans la publication de <em>data papers</em> pour les sciences humaines et sociales (SHS)</strong>". In Schopfel, Joachim and Kosmopoulos, Christine (eds.) Publier, partager, réutiliser les données de la recherche: les data papers et leurs enjeux. Lille: Presses Universitaires du Septentrion.</p> <p>The file "johd_publications.xlsx" contains the data used for the section "Publier des<em> data papers</em> pour les SHS : l’expérience du<em> JOHD</em>". This includes all relevant information about the papers published by the Journal of Open Humanities data. The title of the published paper; the DOI; the date of publication; the special collection in which the paper was published (if any); the keywords associated with the paper; the names of the authors.</p> <p>The zip folder "datapapers_catalyseurs.zip" contains the data used for the section "Les <em>data papers</em> : des catalyseurs de la réutilisation des données ?". This includes information about the papers published by the Journal of Open Humanities data and their corresponding datasets (downloads, views, tweets, citations and Altmetric).</p>
'There is no spoon': Imagining Science Without Journals
<p><strong>Episode Summary:</strong></p> <p>In this week's episode, Open Science advocate and researcher Björn Brembs talks about his analysis of and radical solutions to the flaws he identifies in the scientific publishing system. Brembs discusses manipulated impact factors, pseudo-competitions, the evolution of the reproducibility crisis, and what we could all do instead! </p> <p><strong>Links: </strong></p> <p><a href="http://bjoern.brembs.net/">Björn Brembs Blog</a></p> <p><a href="https://twitter.com/brembs">Björn Brembs Twitter</a></p> <p><a href="https://www.forschung-und-lehre.de/politik/wie-pseudo-wettbewerbe-der-wissenschaft-schaden-1735/">Article on pseudo-competitions in science (in German)</a></p> <p><strong>Quotes:</strong></p> <p>'People strive not to find the next interesting discovery, but to find the next paper'</p> <p>'Our institutions need to realise that the journal system harms science'</p> <p>'The publication services the journal system currently provides, when we do it ourselves would be about 10% of what we are currently paying'</p>
Features of research data policies of Earth science and biodiversity academic society journals
<p>Dataset related to Hübner (2020) Earth science and biodiversity journals can improve support for data publication. Preprint: https://doi.org/10.23689/fidgeo-3818</p> <p>This study reviews research data policies and author instructions of 31 journals from the Earth sciences and from biodiversity that are published by German learned societies or research institutions. The statements on data publishing of the journal´s data policies / author guidelines were matched to 14 pre-defined features of journal research data policies from Hrynaszkiewicz, I. et al. (2020) Developing a Research Data Policy Framework for All Journals and Publishers. Data Science Journal, 19: 5, pp. 1–15. <a href="https://doi.org/10.5334/dsj-2020-005">https://doi.org/10.5334/dsj-2020-005</a>.</p>
Cites received by Brazilian Journal of Information Science: research trends (BRAJIS)
<p>Dataset with the data of the paper "BRAJIS en WOS: impacto observado y visibilidad global"</p>
Data for Airlines network analysis on an air-rail multimodal system. Journal of Open Aviation Science, 1(2)
<h2>About</h2> <p>This dataset contains all the input data required to generate the analysis and results of the article Delgado, L., Trapote-Barreira, C., Montlaur, A., Bolić, T., & Gurtner, G. (2023). <em>Airlines’ network analysis on an air-rail multimodal system</em>. Journal of Open Aviation Science, 1(2). <a href="https://doi.org/10.59490/joas.2023.7223" rel="nofollow">https://doi.org/10.59490/joas.2023.7223</a></p> <p>The code used is available on GitHub: <a href="https://github.com/UoW-ATM/joas_air_rail_network_analysis">https://github.com/UoW-ATM/joas_air_rail_network_analysis</a></p> <p>The path to the input data can be modified in the scripts provided in the GitHub repository. With the default setting, the input is in a folder called data.</p> <h2>Dataset structure</h2> <ul> <li>data_computed <ul> <li><em>rail_used_emissions.csv</em></li> <li><em>rail_used_emissions_2.csv</em></li> <li><em>routes_emissinos_v2.csv</em></li> </ul> </li> <li>flights_data4 <ul> <li>year=2023 <ul> <li>month=05 <ul> <li><em>1st_week_0523.csv</em></li> </ul> </li> </ul> </li> </ul> </li> <li>renfe <ul> <li>renfe_mid_long <ul> <li><em>agency.txt</em></li> <li><em>calendar.txt</em></li> <li><em>calendar_dates.txt</em></li> <li><em>routes.txt</em></li> <li><em>stops.txt</em></li> <li><em>stop_times.txt</em></li> <li><em>trips.txt</em></li> </ul> </li> </ul> </li> <li><em>aircraftDatabase.csv</em></li> <li><em>airport_static.csv</em></li> <li><em>code_seats.csv</em></li> <li><em>manual_fixed_airports.csv</em></li> <li><em>mat_corrected.csv</em></li> <li><em>type_code_missing.csv</em></li> </ul> <h2>Data description</h2> <h3>data_computed</h3> <p>This folder contains pre-computed values by the authors on rail and air emissions. These are estimated:</p> <ul> <li>For rail using <a href="http://ecopassenger.hafas.de/" rel="nofollow">EcoPassenger</a>.</li> <li>For flights based on the emission model from Montlaur, A., Delgado, L., & Trapote-Barreira, C. (2021). <a href="https://doi.org/10.3390/su131810401" rel="nofollow"><em>Analytical Models for CO<sub>2</sub> Emissions and Travel Time for Short-to-Medium-Haul Flights Considering Available Seats</em></a>. Sustainability 13.18 (2021) and from some specific flights using EUROCONTROL's <a href="https://www.eurocontrol.int/platform/integrated-aircraft-noise-and-emissions-modelling-platform">IMPACT </a>model.</li> </ul> <h3>flights_data4</h3> <p>Information from flights_data4 table from <a href="https://opensky-network.org/data/impala">OpenSky</a>. Please refer to the <a href="https://opensky-network.org/about/terms-of-use">terms of use of OpenSky</a> for the restrictions on the further use of these data.</p> <p>The file <em>1st_week_0523.csv </em>contains the information of the table flights_data4 from OpenSky for the week of the 1st May 2023 (01/05/2023 to 07/05/2003). This was downloaded with the SQL query </p> <p>SELECT * FROM flights_data4 WHERE lastseen >= 1682899200 AND firstseen <= 1683504000;</p> <p>Note that the lastseen and firstseen are in UnixTime and correspond to 2023-05-01 00:00:00 UTC and 2023-05-08 00:00:00 UTC respectively. This ensures capturing all flights landing on 01/05/2023 even if they departed the day before and departing on 07/05/2023 even if landing the day after.</p> <h3>renfe</h3> <p>renfe folder contains the General Transit Feed Specification (GTFS) data from the <a href="https://data.renfe.com/dataset/horarios-de-alta-velocidad-larga-distancia-y-media-distancia">Renfe</a> rail operator with the high-speed, long and medium distances timetables. Note that Renfe provides the data under a <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" rel="noopener">Creative Commons Attribution 4.0</a> license. </p> <h3>Other datasets</h3> <ul> <li><em>aircraftDatabase.csv </em>: Database containing information on aircraft information (type, manufacturer, license, etc.) as a function of their transponder icao24 code. Obtained from <a href="https://opensky-network.org/aircraft-database">OpenSky</a>.</li> <li><em>airport_static.csv</em>: Airport ICAO code, latitude and longitude.</li> <li><em>code_seats.csv</em>: allows each aircraft model to be related to the seats in the cabin. It has been extracted from airline websites and other sources.</li> <li><em>manual_fixed_airports.csv</em>: List of manually modified airports for arrival/departure to fix wrong rotations from OpenSky data. For each airport ICAO code, it provides the one that should be used instead and some information on that airport (e.g., name)</li> <li><em>mat_corrected.csv</em>: identifies the rotation of each aircraft in the week of study. This is especially relevant for fleet analysis as it is necessary to know the start and end airport of each rotation for each day. It has been identified with an ad-hoc algorithm, and some data has been corrected with <a href="https://www.flightradar24.com/">FlightRadar24</a> data support.</li> <li><em>type_code_missing.csv</em>: relates the transponders' icao24 identifiers missing from OpenSky to the aircraft type (complement aircraftDatabase), compiled from <a href="https://www.flightradar24.com/" rel="nofollow">FlightRadar24</a>.</li> </ul>
Data for Matsala et al. (2021) paper in Applied Vegetation Science journal
<p>Data to run models described in Matsala et al. (2021) paper in Applied Vegetation Science journal.</p>
Austrian Science Fund (FWF) publication costs in 2013 for journal articles_Exercise-workshop open science
<p>FWF journal publication costs 2013 used for the open science workshop, 27.09.2017</p> <p><strong>Austrian Science Fund (FWF) publication costs in 2013 for journal articles</strong><strong> </strong></p> <p> </p> <p>This dataset is licensed under a CC-0 license. </p> <p> </p> <p><strong>Explanation of data - Overview</strong><strong> </strong></p> <p> </p> <p>The dataset includes payments for articles of authors funded by the Austrian Science Fund (FWF) via the program 'Peer Reviewed Publications', see: http://www.fwf.ac.at/en/projects/peer-reviewed_publications.html </p> <p>The dataset only includes information when costs were applied via the program Peer Reviewed Publications. If an author has covered the costs by the global budget of his/her research project, by other resources or the publisher provides a Gold OA service free of charge, this information is not included in this dataset. </p> <p> </p> <p>Payments are either reimbursed to the authors or directly paid to the publishers by the FWF.</p> <p> </p> <p>The data slightly differs from FWF's annual report 2013 because this dataset does not include payments for Proceedings, Open Access Books, repayments by publishers in the case of double payments or submission fees for articles which were not published. </p> <p><strong>The dataset contains the following elements</strong><strong> </strong> </p> <p><strong>DOI/PMID</strong></p> <p>Usually the DOI-number (Digital Object Identifier) of an article is listed, and the PMID (PubMed ID) where DOI is not available. In very few cases, no permanent identifier exists. </p> <p><strong>COST TYPE </strong></p> <p>(1) Gold Open Access and (2) Hybrid Open Access are defined by FWF's Open Access Policy, see: http://www.fwf.ac.at/en/public_relations/oai/index.html</p> <p>(3) "Other publication costs" are defined as additional costs to the subscription price charged by subscription journals (i.e. submission fees, colour charges, page charges, figure charges, table charges, supplemental charges.) </p> <p> </p> <p><strong>COST </strong></p> <p>Some articles are listed twice because they are charged for Hybrid Open Access as well as for Other publication costs. These articles are marked in <strong>red</strong> in the field "Article Title." </p> <p> </p> <p>All costs have been converted into EURO (€) and include VAT where applicable. </p> <p> </p> <p>Different prices for the same journal are caused either by exchange rate fluctuation or by cost sharing among authors. When these differences are small, it can be assumed that this reflects exchange rate fluctuations. Where they are significant, then it should be assumed that other funders have contributed to the cost of that APC (Article Processing Charge), and the figure cited is the FWF contribution to that APC. </p> <p><strong>ARTICLE TITLE </strong></p> <p>This is the title of the article as stated on the journal website. </p> <p> </p> <p><strong>JOURNAL TITLE </strong></p> <p>Most journal title information were collected from Scopus but some were entered manually. </p> <p> </p> <p><strong>PUBLISHER </strong></p> <p>Sources for publisher names are: (a) Romeo/Sherpa-database or (b) the journal websites. </p> <p><strong>YEAR OF PUBLICATION </strong></p> <p>It shows the year of publication of an article reimbursed/paid in 2013 by the FWF.</p> <p> </p> <p>In some cases, there is a time lag of a year and more between the year of publication and the payment in 2013. That is mostly explained by administrative delays. However, it was monitored by the FWF that these articles were made Open Access by the publishers at the date of online publication. In very few cases, some days of delay were tolerated. For the cases in questions, see "Notes".</p> <p> </p> <p><strong>OPEN ACCESS </strong></p> <p>"OA" is used when APCs were charged either for an article in an Open Access journal or for Hybrid Open Access in a subscription journal.</p> <p> </p> <p><strong>LICENSE</strong></p> <p>Status of licenses are tracked according to Open Article Gauge,</p> <p> </p> <p><strong>NOTES</strong></p> <p>Additional information, if necessary.</p> <p> </p> <p> </p>
Is There an Academic Elegancy in the Field of Library Science and Information Science? Are the Higher Impact Studies Citing the Studies Published in the Higher Impact Journals?
Open the record for dataset details and reuse information.
International Journal of Applied Research in Social Sciences
<p>International Journal of Applied Research in Social Sciences</p>
International Journal of Applied Research in Social Sciences
<p>International Journal of Applied Research in Social Sciences</p>
Processing steps to generate a Digital Surface Model based on SPOT-7 tri-stereo images published in the study "An assessment of the effects of DEM quality and spatial resolution on a model for mapping lahar inundation areas at volcan Copahue (Argentina & Chile)" in the Journal of South American Earth Sciences https://doi.org/10.1016/j.jsames.2022.104138
<p>The Digital Surface Model (DSM) was created from SPOT-7 tri-stereo images for the Copahue volcano between the border of Argentina and Chile. Two versions of the DSM are provided: an unfiltered product and a final, filtered product. The final product has a spatial resolution of 5-m and was used for lahar inundation modeling for the Copahue volcano (Viotto, Toyos, and Bookhagen 2022, <a href="https://doi.org/10.1016/j.jsames.2022.104138">https://doi.org/10.1016/j.jsames.2022.104138</a> : An assessment of the effects of DEM quality and spatial resolution on a model for mapping lahar hazard inundation at Volcán Copahue (Argentina & Chile). <em>Journal of South American Earth Sciences</em> ). The dataset provided should be cited together with the article. </p> <p><strong>DSM processing </strong></p> <p>The source images were given by a SPOT-7 snow- and cloud-free triplet (Nadir, Backward and Forward) of 1.5 m spatial resolution from 19 April 2018 (SPOT Image, Airbus Defence and Space GmbH, distributed by CONAE; Dataset ID: <em>SEN_SPOT7_20180419_142955500_000</em>, delivered by CONAE as <em>DS_SPOT7_20180419</em>).</p> <p>The data were processed with the suite of digital photogrammetry tools AMES Stereo Pipeline ASP (Beyer et al., 2018). The procedure for the generation of the DSM is summarized by following steps: </p> <ol> <li> <p>The orbital parameters (RCP models) were adjusted using the bundle adjustment tool with no ground control points, since they were unavailable.</p> </li> <li> <p>The scenes were map-projected onto the NASADEM (spatial resolution of 30 m) elevation dataset, assisted by the results of the orbital adjustment in Step 1.</p> </li> <li>The stereo correlation of the map-projected scenes including the results of the adjusted orbital parameters, was performed three times, using as first scene (i.e., primary image) the nadir (N), backward (B), and forward (F) images . In each run, the order of images to perform the stereo correlation was: N-F-B, F-N-B, and B-N-F. Thus, three point clouds were generated. Specific ASP correlator settings (other than defaults parameters; for details see the provided stereo-default file) were set in the following way: <em>Correlation Kernel</em>: 15 x 15 pixels; <em>Sub-pixel Refinement Kernel</em>: 21 x 21 pixels; <em>Subpixel Refinement Mode</em>: 2 (Weighted Affine Adaptive Window Correlator EM)</li> <li> <p>The three point clouds were merged into one point cloud with a regular grid of 5 m (unfiltered product, known as <em>DSM_Copahue_UTM19S_WGS84_5m_raw.tif</em>).</p> </li> </ol> <p>The quality of the final point cloud was assessed by comparing the unfiltered DSM with a spatial resolution of 12-m against the WorldDEM<sup>TM</sup> elevation dataset (Collins et al., 2015). The WorldDEM was provided by Airbus Defence and Space GmbH under license for the scope of the Viotto et al., 2022 study. The comparison of the pixel-to-pixel heights above the ellipsoid (WGS84) between the two datasets resulted in a mean difference of 0.67 m and a standard deviation of +/- 4.82 m. </p> <p>Comprehensive details on the methodologies evaluated to create the dataset with ASP, can be found in the corresponding master's thesis “Topografía digital y modelado de lahares en el Volcán Copahue, Argentina-Chile” from S. Viotto (link: https://rdu.unc.edu.ar/handle/11086/15384). Recommended literature about processing DEMs from SPOT imagery is given by Mueting et al., 2021 (<a href="https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021JF006330">https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021JF006330</a>). </p> <p><strong>Creation of the Final, Filtered DSM product</strong></p> <p>The corrections and improvements applied to the unfiltered product to create the final, filtered DSM (named DSM_Copahue_UTM19S_WGS84_5m_VoidFilled.tif) are summarized by following steps. </p> <p> </p> <ol> <li> <p><em>Water Bodies Delineation</em></p> </li> </ol> <p>The delineation of the water bodies was based on a mask created from the free access water bodies datasets provided by the Instituto Geográfico Nacional of Argentina (<a href="https://www.ign.gob.ar/NuestrasActividades/InformacionGeoespacial/CapasSIG">https://www.ign.gob.ar/ NuestrasActividades/InformacionGeoespacia l/CapasSIG</a>) and by the Ministerio de Bienes Nacionales in Chile ( <a href="https://www.ide.cl/index.php/aguas-continentales/item/1508-catastro-de-lagos">https://www.ide.cl/index.php /aguas-continentales/item/1508-catastro-de-lagos</a>). A total of 45 lakes within the area of interest were considered. Lakes with areas below or equal to 25 m2 were smoothed with a median filter in the last step. Lakes with areas above this threshold were filled in with a constant value and their borders were smoothed with a median filter to provide smooth shorelines.</p> <p><em>2 . Void Filling</em></p> <p>Voids (other than water bodies) were filled with the tool “Close Gaps” from Saga GIS software. </p> <p><em>3. Smoothing</em></p> <p>Finally, the elevation dataset was smoothed with a median filter using a 3 x 3 pixel window, excluding water bodies filled in the step 1. </p> <p><strong>Final Remarks and Suggestion</strong></p> <p>The quality assessment of the final version by visual inspection of the hillshades suggested an improvement of the signal to noise ratio. However, the void filling process may be improved.</p> <p><br> </p> <p><strong>Dataset Description</strong></p> <table align="center"> <caption> </caption> <tbody> <tr> <td>Digital Surface Models</td> <td> <p>No Data Value = -9999</p> <p>Format = float 32 bit</p> <p>File Format = GeoTiff</p> <p>Vertical Datum: WGS84</p> <p>Projection information: EPSG 32719 (UTM19S)</p> <p>Spatial Resolution: 5m (subfix: <em>_5m</em>) </p> <p>Versions: </p> <ul> <li> <p>Unfiltered product: without corrections <em>DSM_Copahue_UTM19S_WGS84_5m_raw.tif</em></p> </li> <li> <p>Final, filtered product: smoothed and void filled <em>DSM_Copahue_UTM19S_WGS84_5m_VoidFilled.tif</em></p> </li> </ul> </td> </tr> <tr> <td>Water Bodies Mask</td> <td> <p>No Lake Value = 0</p> <p>Lakes Values = 1 to 45</p> <p>File Format= GeoTiff</p> <p>Spatial Resolution: 5m (subfix: <em>_5m</em>)</p> <p>Projection information : EPSG 32719 (UTM19S)</p> <p><em>WB_mask_5m_UTM19S.tif</em></p> </td> </tr> </tbody> </table> <p> </p> <p> </p> <p><strong>Repository structure</strong></p> <p>|__ 01_Scripts</p> <p> |+ run21_CopahueDSM_AMES_sviotto.sh</p> <p> |+ stereo.default</p> <p>|__ 02_DSMs</p> <p> |+ DSM_Copahue_UTM19S_WGS84_5m_raw.tif</p> <p> |+ DSM_Copahue_UTM19S_WGS84_5m_VoidFilled.tif</p> <p> |+ WB_mask_5m_UTM19S.tif</p> <p><strong>References</strong></p> <p>Beyer, R. A., Alexandrov, O., & McMichael, S. (2018). The Ames Stereo Pipeline: NASA's open source software for deriving and processing terrain data. <em>Earth and Space Science</em>, 5, 537– 548. <a href="https://doi.org/10.1029/2018EA000409">https://doi.org/10.1029/2018EA000409</a></p> <p>Collins, J., Riegler, G., Schrader, H., Tinz, M., 2015. Applying terrain and hydrological editing to TanDEM-X data to create a consumer-ready worlddem product. Int. Arch. Photogram. Rem. Sens. Spatial Inf. Sci. 40 (7), 1149. https://doi.org/10.5194/isprsarchives-XL-7-W3-1149-2015.</p> <p>Mueting, A., Bookhagen, B., & Strecker, M. R. (2021). Identification of debris-flow channels using high-resolution topographic data: A case study in the Quebrada del Toro, NW Argentina. <em>Journal of Geophysical Research: Earth Surface</em>, 126, e2021JF006330. <a href="https://doi.org/10.1029/2021JF006330">https://doi.org/10.1029/2021JF006330</a></p> <p>Viotto, S., Toyos, G., & Bookhagen, B. (2022). An assessment of the effects of DEM quality and spatial resolution on a model for mapping lahar hazard inundation at volcán copahue (Argentina & Chile). Journal of South American Earth Sciences, 104138. https://doi.org/10.1016/j.jsames.2022.104138</p> <p> </p> <p> </p>
Supplemental file for the submission to International Journal of Molecular Sciences
<p>This is the supplemental file for one manuscript that was submitted to International Journal of Molecular Sciences for considering potential publication.</p>
Contributions of Lingnan Science Journal in Botany from 1922 to 1951
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