MétaCan
Menu
← Back to cohort
Record W4247727607 · doi:10.32920/ryerson.14649327.v1

An examination of best practices for mine site reclamation: an investigation of Ontario's recent environmental assessment cases where reclamation is expected

2021· preprint· en· W4247727607 on OpenAlexaffabout
Andrea Penny

Bibliographic record

Venuenot available
Typepreprint
Languageen
FieldEnvironmental Science
TopicEnvironmental and Social Impact Assessments
Canadian institutionsToronto Metropolitan University
Fundersnot available
KeywordsLand reclamationRevegetationDeforestation (computer science)Environmental scienceEnvironmental protectionEnvironmental restorationEnvironmental planningEnvironmental impact assessmentEnvironmental resource managementMining engineeringGeographyEngineeringArchaeologyEcology

Abstract

fetched live from OpenAlex

Mining can have significant public health and environmental consequences such as deforestation, waste rock deposition, and toxic mine effluents. Standards for reclamation of Ontario mine sites are not clear as there is no received model. A strong policy framework is essential to develop a mine closure system that protects the environment. An Environmental Assessment is the first stage for reclamation investigation. By setting standards for reclamation, projects that complete an Environmental Assessment will be better prepared to meet environmental protection objectives. Based on determined objectives, the best practice for mine site reclamations must include: restoration of soils, systematic revegetation, reclamation of water and wildlife restoration through habitat formation. Based on the results, Ontario is ahead of the provinces evaluated for environmental reclamation. None of the countries reviewed have a firm policy on reclamation. The results demonstrate a high number of reclamation components not being evaluated at the environmental assessment level.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.009
metaresearch head score (Gemma)0.021
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.080
Threshold uncertainty score0.582

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0090.021
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0040.009
Science and technology studies0.0040.003
Scholarly communication0.0040.001
Open science0.0020.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0010.000

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.

Opus teacher head0.063
GPT teacher head0.342
Teacher spread0.279 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

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".

Quick stats

Citations0
Published2021
Admission routes2
Has abstractyes

Explore more

Same topicEnvironmental and Social Impact Assessments→French-language works237,207→