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Record W4411420449 · doi:10.14393/rcg2610575573

COMPARAÇÃO DA QUALIDADE DA ÁGUA USANDO MÉTODOS MULTIVARIADOS E ESPACIAIS EM UMA REDE DE DISTRIBUIÇÃO DE ÁGUA

2025· article· en· W4411420449 on OpenAlexaboutno aff
Reinaldo Cavalcante Nunes, Airton Pereira, Marcio Pimentel

Bibliographic record

VenueCaminhos de Geografia · 2025
Typearticle
Languageen
FieldEnvironmental Science
TopicWater Quality and Pollution Assessment
Canadian institutionsnot available
Fundersnot available
KeywordsTurbidityWater qualityEnvironmental scienceGeographyCartography

Abstract

fetched live from OpenAlex

This study analyzed interventions in a drinking water supply system from 2016 to 2021 over a six-year period using statistical tools and a Geographic Information System (GIS) for detailed mapping. This research highlighted correlations between turbidity, apparent color, and iron content, which significantly influenced water quality. Key interventions included increasing the chlorine dosage and replacing old metal pipes with new plastic ones, resulting in an overall 6% improvement in water quality. Although the Modified Water Quality Index by the Canadian Council of Ministers of the Environment identified certain districts with critical water quality levels, only spatial analysis could pinpoint specific pipes and areas within these districts that showed improvements, thereby guiding future investment strategies.

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)0.008
metaresearch head score (Gemma)0.019
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: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.013
Threshold uncertainty score0.040

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0080.019
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.001
Science and technology studies0.0000.001
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0000.000
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 head0.023
GPT teacher head0.320
Teacher spread0.297 · 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
Published2025
Admission routes1
Has abstractyes

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