Articles | Volume 17, issue 7
https://doi.org/10.5194/tc-17-2829-2023
https://doi.org/10.5194/tc-17-2829-2023
Research article
 | 
14 Jul 2023
Research article |  | 14 Jul 2023

Spaceborne thermal infrared observations of Arctic sea ice leads at 30 m resolution

Yujia Qiu, Xiao-Ming Li, and Huadong Guo

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Revised manuscript accepted for TC
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Cited articles

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Alvarez, A.: A model for the Artic mixed layer circulation under a summertime lead: Implications on the near-surface temperature maximum formation, The Cryosphere Discuss. [preprint], https://doi.org/10.5194/tc-2022-233, in review, 2022. 
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Bhartia, P. K.: OMI/Aura TOMS-Like Ozone and Radiative Cloud Fraction L3 1 day 0.25 degree × 0.25 degree V3, NASA Goddard Space Flight Center, Goddard Earth Sciences Data and Information Services Center (GES DISC) [data set], https://doi.org/10.5067/Aura/OMI/DATA3002 (last access: 20 December 2022), 2012. 
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Spaceborne thermal infrared sensors with kilometer-scale resolution cannot support adequate parameterization of Arctic leads. For the first time, we applied the 30 m resolution data from the Thermal Infrared Spectrometer (TIS) on the emerging SDGSAT-1 to detect Arctic leads. Validation with Sentinel-2 data shows high accuracy for the three TIS bands. Compared to MODIS, the TIS presents more narrow leads, demonstrating its great potential for observing previously unresolvable Arctic leads.