6181ff81c7dc4ab2a492c8f53f58df52 English 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 dataset NERC EDS Centre for Environmental Data Analysis 01235446432 RAL Space STFC Rutherford Appleton Laboratory, Harwell Campus Didcot OX11 0QX United Kingdom support@ceda.ac.uk pointOfContact 2026-06-09T17:54:46 UK GEMINI 2.3 WGS 84 Deformation, Strains, and Velocities for the Tibetan Plateau from Sentinel-1 InSAR, GNSS, and Levelling Data, version 1 2025-08-21T13:35:57 publication 2025-08-21T13:35:57 creation https://catalogue.ceda.ac.uk/uuid/6181ff81c7dc4ab2a492c8f53f58df52 6181ff81c7dc4ab2a492c8f53f58df52 NERC EDS Centre for Environmental Data Analysis 10.5285/6181ff81c7dc4ab2a492c8f53f58df52 doi This dataset provides velocity and strain rate fields for the Tibetan Plateau derived from Sentinel-1 Interferometric Synthetic Aperture Radar (InSAR), Global Navigation Satellite System (GNSS), and levelling data. Interferograms in GeoTIFF format at ~100 m resolution are available from the Centre for the Observation and Modelling of Earthquakes, Volcanoes and Tectonics - Looking Inside the Continents from Space InSAR (COMET-LiCSAR) portal (https://comet.nerc.ac.uk/comet-lics-portal/). Using the Looking Inside the Continents from Space with Small Baseline Subset (LiCSBAS) approach, line-of-sight displacement time series and average velocities at ~1 km resolution are inverted, applying corrections for troposphere, ionosphere, Earth tides, and plate motions. Also compiling GNSS velocities and levelling observations from published studies. Following the velmap methodology, a unified coarse 3D velocity field is obtained that fits the GNSS, levelling, and InSAR data. From this, mosaics of ascending and descending line-of-sight velocities in a Eurasia reference frame. Inverting pixel-by-pixel for the east-west and vertical velocities directly from the referenced line-of-sight velocities, using the north–south velocities from the coarse 3D velocity model as a constraint. Strain and rotation rates are calculated from the horizontal gradients of the median-filtered east-west velocities at InSAR resolution and the north-south velocities from the coarse velocity model. Further details are provided in Wright et al. (2025, Science). The directory overview for this dataset are given below: ENU_vels/ East-west, north-south, and vertical velocity fields, along with their associated uncertainties. georeferenced_los_vels/ Line-of-sight (LOS) velocities in a Eurasia-fixed reference frame defined by GNSS GNSS_levelling_data/ Compiled GNSS velocities and levelling rates from published studies. LiCSBAS_los_vels/ Original LOS velocities and displacement time series derived from LiCSBAS processing. strain_rates/ Components of the horizontal velocity gradient tensor, second invariant, maximum shear, dilatation, and vorticity. velmap_strain_rates/ Strain rates calculated from velmap. velmap_vels/ Coarse 3D velocity model derived from velmap. Wright, Tim Unavailable author Unavailable author Houseman, G. A. Unavailable author Unavailable author Fang, J Unavailable author Unavailable author Maghsoudi, Yasser Unavailable author Unavailable author Hooper, A.J. Unavailable author Unavailable author Elliott, J.R. Unavailable author Unavailable author Evans, L Unavailable author Unavailable author Lazecky, Milan Unavailable author Unavailable author Ou, Qi Unavailable author Unavailable author Parsons, B.E. Unavailable author Unavailable author Rollins, J.C. Unavailable author Unavailable author Shen, L Unavailable author Unavailable author Wang, H Unavailable author Unavailable author Wang, D Unavailable author Unavailable author NERC EDS Centre for Environmental Data Analysis custodian 01235446432 RAL Space STFC Rutherford Appleton Laboratory, Harwell Campus Didcot OX11 0QX United Kingdom support@ceda.ac.uk custodian NERC EDS Centre for Environmental Data Analysis distributor 01235446432 RAL Space STFC Rutherford Appleton Laboratory, Harwell Campus Didcot OX11 0QX United Kingdom support@ceda.ac.uk distributor Wright, Tim Unavailable principal_investigator Unavailable principalInvestigator NERC EDS Centre for Environmental Data Analysis point_of_contact 01235446432 RAL Space STFC Rutherford Appleton Laboratory, Harwell Campus Didcot OX11 0QX United Kingdom support@ceda.ac.uk pointofContact NERC EDS Centre for Environmental Data Analysis publisher 01235446432 RAL Space STFC Rutherford Appleton Laboratory, Harwell Campus Didcot OX11 0QX United Kingdom support@ceda.ac.uk publisher unknown dataset COMET Sentinel 1 orthoimagery theme GEMET - INSPIRE themes, version 1.0 2008-06-01 publication otherRestrictions Public data: access to these data is available to both registered and non-registered users. otherRestrictions Under the following licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/, appropriate use of these data may fall under any use. This message is intended as guidance, always read the full licence. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record. grid English imageryBaseMapsEarthCover 73.5 112.0 20.0 45.0 2016-01-01T00:00:00 2024-12-31T23:59:59 These data are provided in GeoTiff format. NERC EDS Centre for Environmental Data Analysis Data Center Contact 01235446432 RAL Space STFC Rutherford Appleton Laboratory, Harwell Campus Didcot OX11 0QX United Kingdom support@ceda.ac.uk distributor https://catalogue.ceda.ac.uk/uuid/6181ff81c7dc4ab2a492c8f53f58df52 CEDA Data Catalogue Page Detail and access information for the resource information http://data.ceda.ac.uk/neodc/comet/publications_data/Wright_etal_2025_Tibet/v1.0 DOWNLOAD Download Data download https://comet.nerc.ac.uk/ COMET website No further details. information https://comet.nerc.ac.uk/comet-lics-portal/ COMET-LiCS portal No further details. information https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023JB028571 Fang et al., 2024, JGR: The Dynamics of the India-Eurasia Collision: Faulted Viscous Continuum Models Constrained by High-Resolution Sentinel-1 InSAR and GNSS Velocities No further details. information https://eartharxiv.org/repository/view/9460/ Elliott et al., 2025, Preprint: Deformation, Strains and Velocities for the Alpine Himalayan Belt from trans-continental Sentinel-1 InSAR & GNSS No further details. information https://www.mdpi.com/2072-4292/12/15/2430 Lazecky et al., 2020, RS: LiCSAR: An Automatic InSAR Tool for Measuring and Monitoring Tectonic and Volcanic Activity No further details. information https://www.mdpi.com/2072-4292/12/3/424 Morishita et al., 2020, RS: LiCSBAS: An Open-Source InSAR Time Series Analysis Package Integrated with the LiCSAR Automated Sentinel-1 InSAR Processor No further details. information https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2012GL051222 Wang & Wright, 2012, GRL: Satellite geodetic imaging reveals internal deformation of western Tibet No further details. information https://github.com/comet-licsar/licsbas LiCSBAS code No further details. information dataset Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08 Data were produced by the project team and supplied for archiving at the Centre for Environmental Data Analysis (CEDA).