Chloride transport and related processes at a municipal snow storage and disposal site
Bibliographic record
Abstract
The practice of used snow disposal has evolved from indiscriminate snow dumping to storage and meltwater management at engineered snow disposal sites. The Town of Richmond Hill, Ontario, Canada, constructed such a snow disposal site in 2003. Environment Canada and the Town of Richmond Hill formed a partnership to investigate the operation of the Richmond Hill Snow Storage Facility (RHSSF) with respect to snowmelt flows, fluxes of chemicals contained in snowmelt and direct effects on the receiving water. Results of chloride monitoring during the winter of 2007 are presented here. Roughly 16 tonnes of chloride passed through the snow disposal facility in 2007, which in itself reflects only a small proportion of the total salt applied to roads that winter. The highest concentrations of chloride were present in early melt, with 50% of the chloride released within the first 30% of the meltwater. The remainder of the chloride was released in lower concentration, higher volume melt later in the season. As expected, conductivity measurements at the outlet of the stormwater pond indicate that the meltwater management system served to delay and dilute the chloride released, but not to remove the pollutant.
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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 | 0.004 | 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 | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| 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".