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Record W4402171031 · doi:10.32920/26871367

Understanding Methane Emission From Constructed Systems Used in Municipal STPs: Preliminary Study on Lagoons in St. Clair Township, Southern ON

2024· preprint· en· W4402171031 on OpenAlexaffabout
Poorna Haque

Bibliographic record

Venuenot available
Typepreprint
Languageen
FieldChemical Engineering
TopicOdor and Emission Control Technologies
Canadian institutionsToronto Metropolitan University
Fundersnot available
KeywordsMethaneEnvironmental scienceWaste managementChemistryEngineering

Abstract

fetched live from OpenAlex

<p>Constructed wetlands and lagoon systems are used as sewage treatment plants (STPs) because they are a more cost-effective and sustainable solution to traditional STPs. This is due to the immense environmental benefits these systems provide. However, despite its ability to sequester GHGs, research has shown both lagoons and wetlands can be a natural source of methane due to their anoxic conditions. This paper explores a preliminary study done on lagoon sewage systems located in St. Clair Township, Ontario. The goal is to see if STPs like natural systems can become a net source of GHGs. In total there are three locations with set of lagoons with identical loading that served as reference and treatment. Treatment lagoon was fitted with an EMF-1000 to see if it could influence methane emission. Results show that STPs can become a net source of methane emissions. DO could possibly influence GHG fluxes occurring from these lagoons however analysis of other variables needs to be conducted to understand how to reduce methane emissions from municipal STPs.</p>

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 distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Research integrity
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.296
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0010.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.001
Research integrity0.0010.004
Insufficient payload (model declined to judge)0.0000.000

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 head0.141
GPT teacher head0.313
Teacher spread0.172 · 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 teacher head, not a consensus.

Study designSimulation or modeling
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
Published2024
Admission routes2
Has abstractyes

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