Attenuation of High-Frequency Interannual Streamflow Variability by Watershed Glacial Cover
Why this work is in the frame
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Bibliographic record
Abstract
We used nonparametric statistical and time-series analysis techniques to investigate the effects of watershed glacial cover upon interannual variability in a suite of hydrometric variables describing aspects of the annual hydrograph. Annual time series of eight streamflow-derived metrics were considered for each of five glacier-fed and four nival rivers in the southwestern Canadian subarctic. Our conclusions at p⩽0.05 are (1) rank-based coefficients of variation (CV) in robust measures of freshet-related flow magnitude and timing scale inversely with watershed glacierization; (2) CVs in extreme events measures do not exhibit a statistically significant relationship to degree of glacial cover; and (3) CVs in winter baseflow measures also show no glacial moderating influences. The CV results expand substantially upon previous work and are readily physically interpretable. Additionally, spectral analyses tentatively suggest that glacierization predominantly attenuates hydroclimatic variability at timescales of about 2–3 years or less.
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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) | 0.001 | 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 it