Statistical Modeling of Monthly Snow Depth Loss in Southern Canada
Bibliographic record
Abstract
Quantifying the dynamics of snow depth is essential for understanding freshwater availability, mitigating flood and drought hazards, and monitoring the effects of climate change in cold regions. Here, a statistical approach for describing the dynamics of monthly snow depth loss (SDL) is developed and tested in 67 climate stations throughout southern Canada. The framework fuses an input selection scheme with multiple linear regression to approximate the SDL using a set of climate proxies, either explicitly or implicitly through modeling snow depth. Our findings suggest that statistical models—if properly developed and used—have the potential to form effective tools for describing the dynamics of SDL. In particular, the implicit statistical model, in which climate proxies are selected globally among all stations, provides an accurate model (expected R2=0.75), which can outperform a frequently-used temperature-index model in a majority of stations. In addition, parameters of the statistical model can be regionalized efficiently (expected R2=0.71 for the generalized model) using latitude, longitude, and altitude. This ability can provide a basis to extend the model application into ungauged sites.
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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) | 0.000 | 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".