Rapid mass movements triggered by an atmospheric river in Disko Island, West Greenland
Bibliographic record
Abstract
Abstract Mass movements can be triggered abruptly by precipitation and snowmelt and represent potential geohazards. In the polar regions, they are an important contributor to geomorphic change. This study examines a series of slushflows that occurred on Disko Island, Central West Greenland, in July 2023. These rapid mass movements are linked to an atmospheric river event that caused extreme precipitation, markedly increasing snowmelt and runoff. Pre‐ and post‐event remote sensing imagery were used to map the affected areas, while environmental monitoring data and climate reanalysis products provided insights into the atmospheric river event. Almost 200 slushflows were mapped in Disko Island alone. During the 18‐hour event, cumulative precipitation reached 115 mm, with more than 80 mm in several parts of the island, coinciding with the areas most affected by debris and snowpack mobilization. Increasing air moisture transport caused by atmospheric rivers has already been recognized as a contributor to a warmer and wetter Arctic. This work shows how extreme rain‐on‐snow events can trigger rapid mass movements with strong potential impact on landscape and infrastructure, suggesting the need for increased monitoring in remote areas such as Greenland.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".