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Major RINGS Community Review Paper and New Resources Now Available

We are pleased to announce that the RINGS Action Group has published a suite of valuable new resources, which are now available in the RINGS Resources section of the SCAR website.

The RINGS Action Group focuses on improving scientific knowledge of Antarctic ice-sheet margins using airborne geophysical methods. Its goals are to identify major observational gaps in coastal bed topography and bathymetry, and to develop standardised protocols for data collection, analysis, and sharing. This initiative supports national Antarctic programmes in addressing critical questions related to ice discharge and sea-level rise.

A new RINGS-led community review paper, “Towards an improved understanding of the Antarctic coastal zone and its contribution to future global sea level” (Matsuoka et al., 2025), has been released on ESS Open Archive and is in review with Reviews of Geophysics: https://doi.org/10.22541/essoar.175241971.19851046/v1.

This comprehensive review outlines the critical role of Antarctica’s coastal zone in global sea-level change. It assesses current datasets and identifies observational gaps in bed topography and sub-ice-shelf bathymetry. The paper proposes coordinated international efforts to improve geophysical observations and develop next-generation datasets. It also presents new strategies for data acquisition and highlights priorities for future airborne surveys along three major rings encircling the continent.

The Figures presented in the RINGS Review Paper are available from the SCAR library. You are welcome to use these figures to support RINGS scientific initiatives and collaborations, both within and beyond the RINGS community. When using the figures, please cite the paper above and acknowledge the main contributors for each figure, as indicated on the individual slides. Please note that both the figures and the underlying data may be revised during the peer-review process.

How to cite: Kenichi Matsuoka, Geir Moholdt, Jennifer Arthur, et al. Towards an improved understanding of the Antarctic coastal zone and its contribution to future global sea level. ESS Open Archive . July 13, 2025. 10.22541/essoar.175241971.19851046/v1

Datasets:

Arthur, J., Moholdt, G., & Matsuoka, K. (2025). Simplified Antarctic grounding line for primary ring surveys [Dataset]. Norwegian Polar Institute. https://doi.org/10.21334/NPOLAR.2025.8CEC2D20
Arthur, J., Mottram, R., Boberg, F., & Matsuoka, K. (2025). Modelled Antarctic annual surface mass balance averaged between 1987 and 2015 [Dataset]. Norwegian Polar Institute. https://doi.org/10.21334/NPOLAR.2025.75A66608
Arthur, J., Mottram, R., & Matsuoka, K. (2025). Magnitude and uncertainty of the surface mass balance-correction term of ice discharge at the simplified Antarctic grounding line [Dataset]. Norwegian Polar Institute. https://doi.org/10.21334/NPOLAR.2025.A4FF8348
Arthur, J., Seroussi, H., & Matsuoka, K. (2025). Projected Antarctic grounding line retreat from the ISMIP6 model ensembles by the end of 2100 [Dataset]. Norwegian Polar Institute. https://doi.org/10.21334/NPOLAR.2025.8218FFFA
Bodart, J., & Matsuoka, K. (2025). Radar survey and bed elevation data availability under the Antarctic Ice Sheet in the coastal zone, within 100 km landward from the RINGS/Bedmap3 grounding line [Dataset]. Norwegian Polar Institute. https://doi.org/10.21334/NPOLAR.2025.ECC09169
Li, J., Goel, V., & Matsuoka, K. (2025). Re-processed radargram (NASA Operation Ice Bridge) across Martin Peninsula in the Amundsen Embayment, West Antarctica [Dataset]. Norwegian Polar Institute.
https://doi.org/10.21334/NPOLAR.2025.A8C519F4
Liebsch, J., Tinto, K., & Matsuoka, K. (2025). Seabed topography data availability under Antarctic ice shelves [Dataset]. Norwegian Polar Institute. https://doi.org/10.21334/NPOLAR.2025.D6285F9C
Mahagaonkar, A., Arthur, J., & Matsuoka, K. (2025). Comparison of recent ice-discharge estimates for 27 drainage basins of the Antarctic Ice Sheet [Dataset]. Norwegian Polar Institute. https://doi.org/10.21334/NPOLAR.2025.742D0E9B
Moholdt, G. (2025). Comparison of two empirical ice-discharge estimates around Antarctica using Bedmap2 and Bedmachine version 3 bed topography at the primary ring [Dataset]. Norwegian Polar Institute.
https://doi.org/10.21334/NPOLAR.2025.B9AB2794
Moholdt, G., Pritchard, H., & Maton, J. (2025). RINGS/Bedmap3 grounding line of the Antarctic Ice Sheet [Dataset]. Norwegian Polar Institute. https://doi.org/10.21334/NPOLAR.2025.D1062D2A
Shackleton, C., & Matsuoka, K. (2025). Stochastic simulations of bed elevations at the outlet of Recovery Glacier, East Antarctica [Dataset]. Norwegian Polar Institute. https://doi.org/10.21334/NPOLAR.2025.879398CD

Publications:

Arthur, J., Matsuoka, K., Boberg, F., Bodart, J., Liebsch, J., Mahagaonkar, A., Maton, J., Mottram, R., Pritchard, H., Seroussi, H., & Tinto, K. (2025). RINGS Quantarctica-friendly data package [Dataset]. Norwegian Polar Institute. https://doi.org/10.21334/NPOLAR.2025.ACFECB24
Kenichi Matsuoka, Geir Moholdt, Jennifer Arthur, et al. Towards an improved understanding of the Antarctic coastal zone and its contribution to future global sea level. ESS Open Archive . July 13, 2025. 10.22541/essoar.175241971.19851046/v1. The figures presented in the RINGS Review Paper are available to download here.

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