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Table · dataset · 2017

Jupiter horizontal wind velocities at cloud level from Cassini

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This dataset contains horizontal wind velocity vectors at the top of Jupiter’s main cloud deck, covering four rotation periods during December 2000.

Description

These wind measurements are based on a series of visible camera images taken by NASA’s Cassini spacecraft. They were analysed using a cloud tracking procedure based on a Correlation Imaging Velocimetry (CIV) method developed to analyse fluid dynamics experiments.

The dataset contains 1123505 horizontal wind velocity vectors covering 360 degrees in longitude and +/-50 degrees in planetocentric latitude. The dataset also includes a Python script to convert the velocity vectors from spherical geometry to oblate spheroidal geometry, and to estimate observational uncertainties.<br><br>Data record consists of 2 data files, in .py and .nc format, and a readme file. The dataset is documented in readme.pdf.

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The data file is in uncompressed netCDF format. Raw images were taken by the Cassini spacecraft, operated by NASA / JPL-Caltech / Cassini Imaging Team / Space Science Institute. Processed images produced by Ashwin R. Vasavada and Carolyn Porco, available from pds-atmospheres.nmsu.edu/Jupiter/CassiniMaps.txt.

Velocity fields were computed using UVMAT/CIV (LEGI, Grenoble), available from servforge.legi.grenoble-inp.fr/projects/soft-uvmat, and described by Galperin et al. (2014), Icarus, 229, 295-320, doi:10.1016/j.icarus.2013.08.030.

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Where it is published

Catalogue records · 1

Topics

Inferred from text
Image 65% · Imaging 75%
Provenance · 1 source records, 19 field assertions
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figshareoai:figshare.com:article/3380255811 d agoJSON v1
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concepts[modality].local:modality:imageenrichment · figshare comkeyword-concept-rules@1.0.0title+description (65%)
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