The Cryosphere
The Cryosphere
TC
Articles | Volume 19, issue 6
Articles | Volume 19, issue 6
https://doi.org/10.5194/tc-19-2197-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-2197-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 6
Research article
 | 
24 Jun 2025
Research article |  | 24 Jun 2025

Fine-scale variability in iceberg velocity fields and implications for an ice-associated pinniped

Lynn M. Kaluzienski, Jason M. Amundson, Jamie N. Womble, Andrew K. Bliss, and Linnea E. Pearson

Data sets

Timelapse photos of Johns Hopkins Inlet iceberg habi- tat, Glacier Bay National Park, Alaska, 2019 Jason Amundson https://doi.org/10.18739/A2X921K7T

Timelapse photos of Johns Hopkins Inlet iceberg habi- tat, Glacier Bay National Park, Alaska, 2021 Jason Amundson https://doi.org/10.18739/A2VQ2SC1V

Timelapse photos of Johns Hopkins Inlet iceberg habi- tat, Glacier Bay National Park, Alaska, 2022 Jason Amundson https://doi.org/10.18739/A2ZK55N82

Model code and software

Tracking icebergs with oblique time-lapse photography and sparse optical flow, LeConte Bay, Alaska, 2016–2017 (https://bitbucket.org/ckien/iceberg_tracking/src/master/) C. Kienholz et al. https://doi.org/10.1017/jog.2018.105

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Short summary
Icebergs in fjords serve as an important habitat for marine mammals. This study examines the dynamics of iceberg habits in a glacier–fjord system and its impact on harbor seal life-history events such as pupping and molting (shedding). By combining feature tracking from time-lapse cameras with aerial surveys, we analyzed iceberg movement and linked it to seal abundance and distribution in the fjord. Our work reveals that plume dynamics can influence seal populations over daily to annual timescales.
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