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10 results for “ALOS-2”
InSAR time series analysis results of ALOS-2/PALSAR-2 data for the post-eruptive displacement of the 2015 phreatic eruption of Hakone volcano, Japan
<p>This repository contains the InSAR products used in Doke et al., GRL (submitted).</p> <p> </p> <p><strong>Dataset 1</strong>: Surface velocity data estimated by InSAR time series analysis with NetCDF grid format.</p> <ol> <li>surface_velocity_p126.nc</li> <li>surface_velocity_p18.nc</li> </ol> <p> </p> <p><strong>Dataset 2</strong>: Time-series of LOS displacements in selected locations with text format.</p> <ol> <li>time_series_p126.txt</li> <li>time_series_p18.txt</li> </ol> <p> </p> <p><strong>Dataset 3</strong>: Inputs and results of model inversion with shapefile.</p> <p>Subsampled observation data, modeled (simulated) displacements, and other parameters are shown in attribute tables in shapefiles. Shapefiles that show the location of the estimated models are also included in ZIP files.</p> <ol> <li>point_source_deflation.zip</li> <li>sill_deflation.zip</li> </ol>
Ground deformation maps of the Visso and Norcia (Italy) 2016 earthquakes from ALOS-2 SAR data
<p>The datasets consist of the Line of Sight (LoS) deformation maps obtained by applying Differential SAR Interferometry (DinSAR) to ALOS-2 (Strip Map acquisition mode) pairs.</p> <p>ALOS-2 is operated by the Japan Aerospace Exploration Agency (JAXA).</p> <p>Two maps were retrieved by processing data from both the ascending and descending track.</p> <p>Both the maps are in meters and provided in raster geotiff format.</p> <p>Data have been processed using the Sarscape© software.</p> <p>Ascending pair details:</p> <p>SAR images were acquired on 2016/08/24 and 2016/11/02, path 197, frame 850.</p> <p>The adopted DEM used for the topographic phase removal was the SRTM 1 arc second. The interferogram was generated by applying a 11x5 multi-look factor in azimuth and range, respectively.</p> <p>Final product were geocoded in UTM WGS84 33 Nord projection, and a final pixel size of 40 m.</p> <p>Descending pair details:</p> <p>SAR images were acquired on 2016/08/31 and 2016/11/09, path 92, frame 2750.</p> <p>The adopted DEM used for the topographic phase removal was the SRTM 1 arc second. The interferogram was generated by applying a 11x5 multi-look factor in azimuth and range, respectively.</p> <p>Final product were geocoded in UTM WGS84 33 Nord projection, and a final pixel size of 40 m.</p>
ALOS-2 deformation analysis results, Teller 47, Seward Peninsula
<p>ALOS-2 deformation analysis results from the Seward Peninsula</p> <p>ALOS-2 stripmap observations from<br> 2015-07-16<br> 2016-07-14<br> 2017-07-13<br> 2019-07-11</p> <p>Estimates of the line-of-sight deformation velocity (_fitted_velocity.tif) and the estimated standard error (_fitted_se.tif) were obtained by Short-BAseline Subset (SBAS) processing. Two SBAS interferogram subsets were considered, one encompassing all years (2015-2019, filenames 1519) and one encompassing years 2015-2017 (filenames 1517). The first band of these images contains the line-of-sight velocity in (m/s), the second band the estimated displacement in the middle of the study period, referenced to the beginning of the respective study period.</p> <p>Regions with questionable results (e.g., where closure analyses did not successfully correct unwrapping errors) were delineated manually in two geopackage files.</p> <p> </p>
Interseismic uplift of anticlines above the Rakhine-Bangladesh Megathrust from ALOS-2 InSAR
Open the record for dataset details and reuse information.
Mean ground velocities from ALOS-2 data at Changbaishan volcano (China/North Korea) during 2018-2020
<p>This archive contains the link to the mean ground velocity at the Changbaishan Volcano (China/North Korea) from ALOS-2 satellite data during 2018-2020. Raw data property of JAXA (Japan).</p> <p>Find more on processing and results in the related paper:</p> <p>'Upward Magma Migration within the Multi-level Plumbing System of the Changbaishan Volcano (China/North Korea) Revealed by the Modeling of 2018-2020 SAR Data'</p> <p>by E. Trasatti, C. Tolomei, L. Wei, G. Ventura. DOI: 10.3389/feart.2021.741287 .</p> <p>Data available at </p> <p>https://reliance.rohub.org/overview?61bceafe-5b48-4548-8caf-4142153b1b1b&activetab=overview</p> <p>With the following doi: https://doi.org/10.24424/vfp6-r230</p>
ALOS-2 (Japan) Layover-shadow Map
<p>ALOS-2 data were provided by JAXA under the partnership agreement between AIST and JAXA. JAXA holds full ownership of the ALOS-2 raw data.</p> <p>The computational resource of AI Bridging Cloud Infrastructure (ABCI) provided by AIST was used.</p> <p>Documentation:</p> <ul> <li><a href="https://gsvrg.ipri.aist.go.jp/pds/lsmap-alos-2/A2S1lsmap_en.pdf">https://gsvrg.ipri.aist.go.jp/pds/lsmap-alos-2/A2S1lsmap_en.pdf</a> (English)</li> <li><a href="https://gsvrg.ipri.aist.go.jp/pds/lsmap-alos-2/A2S1lsmap_jp.pdf">https://gsvrg.ipri.aist.go.jp/pds/lsmap-alos-2/A2S1lsmap_jp.pdf</a> (Japanese)</li> </ul>
Study on BI 54903 (Inhaled Corticosteroid) Administered Once Daily or Twice Daily Via Respimat Inhaler in Patients With Asthma Inadequately Controlled on Short Acting Beta-2 Agonist (SABA) Therapy Alo
ClinicalTrials.gov study NCT01458886. IPD Sharing: Not stated. Countries: 0. Publications: 0.
ALOS-2 PALSAR-2 Level 1 ScanSAR Product
The Advanced Land Observing Satellite-2 (ALOS-2), launched May 14, 2014, is a follow-on mission to ALOS. ALOS-2 features an imaging microwave radar, PALSAR-2 (Phased Array type L-band Synthetic Aperture Radar-2). With a wider range of observation modes PALSAR-2 improves on its predecessor PALSAR (which flew onboard ALOS). PALSAR-2 observes in the L-band, specifically 1257.5 MHz which is adjustable by ± 21 MHz. ScanSAR mode provides a spatial resolution of 60 m and 100 m for a swath of 490 km and 350 km respectively. Stripmap mode provides a resolution of 10 m, 6 m, and 3 m for a swath of 70 km, 70 km, and 50 km respectively. Spotlight mode provides a resolution of 1 m x 3 m for a swath of 25 km x 25 km. ALOS-2 also decreased the revisit time of its predecessor from 46 days to 14 days. ALOS-2 also has the ability to look either to the right or the left. This collection provides open access to ScanSAR mode data acquired by ALOS-2. Recently acquired data are not included but are added when released for open access by JAXA. Although the ScanSAR mode has been acquired globally, the collection currently contains only partial global coverage, but coverage is increasing as data become available. Products have been processed by JAXA as Level 1.1, such that range and single look azimuth compressed data is represented by complex I and Q channels to preserve the magnitude and phase information. The range coordinate is in slant range. The image is focused onto zero Doppler direction, and an image file is generated per each scan for ScanSAR mode. In addition the full aperture processing method was used to generate the products. With the full aperture method, range compression and one look azimuth compression are performed for the data whose gaps between neighboring bursts in a sub swath are filled with zeroes, this processing is performed for each scan and each polarization. Granules in this collection are distributed as a zip and are quite large, with the majority being 28GB (single polarization) or 56GB (dual polarization).
InSAR analysis results of ALOS-2/PALSAR-2 data for landslide displacement of Owakudani, Hakone volcano, Japan
<p>This repository contains the InSAR products used in <a href="https://doi.org/10.1007/s10346-024-02224-w" target="_blank" rel="noopener">Doke et al. (2024 Landslides)</a>.</p> <p>If you want the dataset please contact me.</p> <p> </p> <p><strong>Dataset 1</strong>: DInSAR analysis result with NetCDF grid format.</p> <p>DInSAR.zip</p> <ol> <li>dslnt_pathname.grd <ul> <li>LOS displacement</li> </ul> </li> <li>los_e_pathname.grd <ul> <li>Eastward conponent of LOS direction</li> </ul> </li> <li>los_n_pathname.grd <ul> <li>Northward conponent of LOS direction</li> </ul> </li> <li>los_h_pathname.grd <ul> <li>Upward conponent of LOS direction</li> </ul> </li> <li>corr_pathname.grd <ul> <li>coherence</li> </ul> </li> </ol> <p> </p> <p><strong>Dataset 2</strong>: 3D analysis result with NetCDF grid format.</p> <p>3D_analysis.zip</p> <ol> <li>x.grd <ul> <li>Eastward component</li> </ul> </li> <li>y.grd <ul> <li>Northward component</li> </ul> </li> <li>z.grd <ul> <li>Upward component</li> </ul> </li> <li>SDX.grd <ul> <li>Standard deviation of Eastward component</li> </ul> </li> <li>SDY.grd <ul> <li>Standard deviation of Northward component</li> </ul> </li> <li>SDZ.grd <ul> <li>Standard deviation of Upward component</li> </ul> </li> </ol> <p> </p> <p><strong>Dataset 3</strong>: SBAS InSAR time series analysis result.</p> <p>SBAS_InSAR.zip</p> <ol> <li>p18_ts.nc <ul> <li>NetCDF grid format of SBAS_InSAR time series analysis result for Path18 </li> </ul> </li> <li>ts_disp_landslide.txt <ul> <li>Time series of LOS displacement at the location which showed maximum velocity</li> </ul> </li> </ol> <p> </p> <p><strong>Dataset 4</strong>: Simulation analysis result with NetCDF grid format.</p> <p>simulation.zip</p> <ol> <li>x_model.grd <ul> <li>Simulated Eastward component</li> </ul> </li> <li>y_model.grd <ul> <li>Simulated Northward component</li> </ul> </li> <li>z_model.grd <ul> <li>Simulated Upward component</li> </ul> </li> <li>x_res.grd <ul> <li>Residuals for Eastward component</li> </ul> </li> <li>y_res.grd <ul> <li>Residuals for Northward component</li> </ul> </li> <li>z_res.grd <ul> <li>Residuals for Upward component</li> </ul> </li> </ol>
Mapping of Inundation Extent in the Amazon Basin 2014-2017 with ALOS-2 PALSAR-2 ScanSAR Time-Series Data
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