Publications by authors named "Olivier Lecomte"
Article Synopsis
- The concept of feedback is crucial for understanding how changes in a system, like the climate, can be either intensified or reduced by the system's own mechanisms.
- In polar regions, climate is influenced by various interactions among the atmosphere, ocean, sea ice, ice sheets, and land surfaces, which are important for climate assessment.
- Accurately measuring these polar feedbacks is essential for improving climate models, understanding polar climate change processes, and reducing uncertainty in future climate projections.
Several processes have been hypothesized to explain the slight overall expansion of Antarctic sea ice over the satellite observation era, including externally forced changes in local winds or in the Southern Ocean's hydrological cycle, as well as internal climate variability. Here, we show the critical influence of an ocean-sea-ice feedback. Once initiated by an external perturbation, it may be sufficient to sustain the observed sea-ice expansion in the Ross Sea, the region with the largest and most significant expansion.
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