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Record W4406883117 · doi:10.71330/nucleus.41.01-4.1073

SPECIFYING THE CONSPICUOUS FEATURES OF THE OZONE LAYER DEPLETION FOR PAKISTAN’S ATMOSPHERIC REGION

2020· article· en· W4406883117 on OpenAlexaboutno aff
M. Ayub Khan Yousuf Zai, J. Qaumar, M.R. K. Ansari

Bibliographic record

VenueThe Nucleus · 2020
Typearticle
Languageen
FieldEnvironmental Science
TopicWater Resources and Management
Canadian institutionsnot available
Fundersnot available
KeywordsOzone layerOzone depletionLayer (electronics)Atmospheric sciencesEnvironmental scienceOzoneMeteorologyClimatologyGeologyGeographyMaterials scienceNanotechnology

Abstract

fetched live from OpenAlex

Events such as the huge industrial emissions of Chlorofluoro Carbons (CFCs) provide almost visible example of man-made atmospheric pollution and global unbalance of the natural ecology. Among other scientific and socio-economic fallouts from this, the phenomenon of ozone layer depletion (OLD) is particularly disturbing. It has already attracted wide attention throughout the globe by way of 1987 Montreal protocol. This paper looks into the effectiveness of autoregressive model and predicts the menacing influence of the OLD. As such, with reference to the data for stratospheric region of Pakistan, this communication presents the confidence interval for the population mean of OLD for a significant level of probability. Then it considers the estimation of autoregressive model of order one for forecasting time series on monthly basis from 1970 to 1994, by identifying a set of related predictors. Autoregressive technique produces fairly accurate results as compared to the least squared estimate. We also consider the issue of validating the model by displaying predicted and observed data, by residual analysis, and by autocorrelation functions.

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)0.000
metaresearch head score (Gemma)0.001
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 score0.017
Threshold uncertainty score0.033

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.001
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)0.0020.000

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 head0.027
GPT teacher head0.216
Teacher spread0.189 · 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
Published2020
Admission routes1
Has abstractyes

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