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Record W4233528033 · doi:10.5383/swes.7.01.007

Wavelet Characterization of Ozone Layer Depletion for Atmospheric Region of Pakistan

2015· article· en· W4233528033 on OpenAlexvenueno aff
M.Ayub Khan, Yousuf Zai, Mahmood A. Rashid, Kamal Ansari, Jawaid Iqbal, Arif Hussain, Ahmed Khairul Hasan

Bibliographic record

VenueInternational Journal of Sustainable Water and Environmental Systems · 2015
Typearticle
Languageen
FieldEarth and Planetary Sciences
TopicAtmospheric Ozone and Climate
Canadian institutionsnot available
Fundersnot available
KeywordsOzone layerBiosphereWaveletOzoneEnvironmental scienceAtmospheric sciencesMeteorologyGeographyGeologyComputer sciencePhysicsAstronomy

Abstract

fetched live from OpenAlex

Ozone is of considerable importance to mankind because of its role as a shield for the biosphere against the Ultraviolet (UV) radiation from the outer space, in particular from the sun. In the recent years the advancement in the science and technology has increased the understanding of various phenomena of the environment and consequently the predictability of many naturally occurring events. It has been Due to a serious reduction of O3 content in the atmosphere life-forms on the earth are exposed to a new hazard in the form of an increase of harmful solar UV radiation intensity at the sea level. Obviously, this situation calls for an assessment, monitoring and prevention of the incidence of decrease in the O3 concentration. The fluctuating dynamics of stratospheric ozone layer depletion (OLD) for Pakistan atmospheric region has been introduced by mentioning the production and annihilation of ozone. The recent development in the theory and application of wavelets are yielding powerful multi resolution techniques for the analysis of time series and image data. Wavelets are the central idea of a broad framework for displaying and analyzing data. Wavelets possess a simultaneous time–frequency localization that makes them useful in presenting complicated signals. In this communication behaviour of ozone is explained on the basis of ozone profile, effects of periodic, a-periodic change along with effects of monthly and seasonal variations using wavelet analysis.

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)0.000
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 score0.006
Threshold uncertainty score0.012

Distilled classifier scores by category (both heads)

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

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 head0.012
GPT teacher head0.210
Teacher spread0.199 · 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
Published2015
Admission routes1
Has abstractyes

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Same venueInternational Journal of Sustainable Water and Environmental SystemsSame topicAtmospheric Ozone and ClimateFrench-language works237,207