High Resolution Seismic Reflection Survey For Groundwater Contaminant Studies, C.F.B. Borden, Ontario, Canada
Why this work is in the frame
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Bibliographic record
Abstract
A high resolution CMP P-wave reflection seismic survey was conducted over a 1 square km area of<br>Canadian Forces Base Borden in central Ontario in order to detect and map a shallow aquitard (< 30 m<br>depth). This impermeable clayey silt unit blocks known surface groundwater contamination from reaching<br>permeable units at depth; structural variation of this surface is a factor in groundwater flow. Since the area<br>of interest is in an urban setting, positioning of seismic lines was a challenging task. In addition, a low water<br>table (~3 m depth) with dry sand on surface combined to limit both the “optimum window” and the<br>frequency resolution. However, with borehole geophysical log control (including P-wave velocities),<br>stacked, migrated and filtered sections were produced for five seismic lines. Reflections were observed from<br>the upper aquitard, a lower dense till, and the top of bedrock. Topographic relief (20m+) of the upper<br>aquitard correlated well with stratigraphic profiles obtained from continuous coring and measured<br>groundwater flow directions obtained from observation wells. The seismic results served to confirm the<br>subsurface hydro-geological model including the viability of the aquitard throughout the area. Such work<br>provided additional assurance that existing contaminant management measures are adequate.
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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) | 0.000 | 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 it