Influence of subhumid climate and water table depth on groundwater recharge in shallow outwash aquifers
Bibliographic record
Abstract
Hypothetical one‐dimensional models of unsaturated flow were used to estimate the probability of groundwater recharge to shallow, glacial outwash aquifers. Simulations were supported by field data, previous three‐dimensional modeling, and cross‐sectional models of water table response to precipitation events for a research area in northern Alberta, Canada. Groundwater recharge rates were found to depend on the year‐to‐year climate variation, the depth to the water table, and were largely driven by annual snowmelt. Simulations indicate that in summer months, when transpiration and canopy interception were considered explicitly, groundwater recharge was negligible. For water table depths less than 6 m below ground surface, the occurrence of recharge depends on climatic conditions (water deficit or surplus) of the current and previous year, and can vary from 0 to 266 mm yr −1 . For water table depths of 6 m or more, recharge will depend on climate conditions from the most recent decade, have less annual variability, and a mean annual rate of approximately 45 mm yr −1 .
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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 | 0.002 | 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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
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".