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Record W3151074763 · doi:10.36278/jeaht.24.1.13

Assessment of Water Quality and Sediment Pollution in Gap Stream

2021· article· en· W3151074763 on OpenAlexaboutno aff
Yun-Mo Yang, Minhee Chae, Dae‐Hee Lee, Yun-Kyung Park, Kwang-Seol Seok

Bibliographic record

VenueJournal of Environmental Analysis Health and Toxicology · 2021
Typearticle
Languageen
FieldEnvironmental Science
TopicSoil and Water Nutrient Dynamics
Canadian institutionsnot available
FundersNational Institute of Environmental ResearchMinistry of Environment
KeywordsTributaryEnvironmental sciencePollutionSedimentHydrology (agriculture)Water qualityNutrientOrganic matterBankSurface waterSampling (signal processing)Environmental engineeringEcologyGeologyGeography

Abstract

fetched live from OpenAlex

Five sampling sites at the Gap Stream, a major tributary flowing into the Geum River, were classified according to their locations on the left or right banks of the latter; this was to allow an assessment of the pollution level in the river. To this end, the water quality and the sediments were examined twice -in the first and the second half of the year and before and after the rainy season. In terms of water quality, the concentration of nutrients increased during the second half of the testing period at sites G3 to G5, which are located just before the confluence of the stream and the river. The assessment results also showed that site G5-R required particular attention because of water pollution due to a frequent inflow of contaminants via surface sediments, in the second half of the study period after rainfall, when the WQI(Water Quality Index) was applied. In terms of the sediments, there was no site corresponding to Class IV or "heavily polluted", according to the standards of the National Academy of Environmental Research. However, in the first half of the year, sites G4 and G5 on the left bank were polluted at LEL-SEL levels, which, according to the Ontario standards and the Org-Index assessment, indicated that they were "moderately polluted" or worse, indicating a concern regarding pollution from organic matter and nutrients. Key Words: Gap Stream, Sediment, Geum River, WQI-Index, Organic-Index

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)0.000
Version: codex-gemma-dda1882f352aValidation 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 score0.004
Threshold uncertainty score0.282

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
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 head0.017
GPT teacher head0.305
Teacher spread0.288 · 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.

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

Citations4
Published2021
Admission routes1
Has abstractyes

Explore more

Same venueJournal of Environmental Analysis Health and ToxicologySame topicSoil and Water Nutrient DynamicsFrench-language works237,207