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Record W2044007177 · doi:10.1051/lhb/2002102

Un point de vue multifractal sur l'évolution climatique

2002· article· fr· W2044007177 on OpenAlexaff
P. Hubert, Daniel Schertzer, I. TchiguirinskaiA, H. Bendjoudi, S. Lovejoy, Stéphane Hallegatte, M. LARCHEVÊQUE

Bibliographic record

VenueLa Houille Blanche · 2002
Typearticle
Languagefr
FieldEnvironmental Science
TopicClimate variability and models
Canadian institutionsMcGill University
Fundersnot available
KeywordsHydrosphereMultifractal systemNatural (archaeology)Point (geometry)Climate changeFractalAtmosphere (unit)Greenhouse gasStatistical physicsEnvironmental scienceComputer scienceEconometricsMeteorologyMathematicsPhysicsGeologyBiosphere

Abstract

fetched live from OpenAlex

The global warming assumption has not yet been convincingly substantiated from hydrometeorogical data analysis. In fact, as the atmosphere and the hydrosphere are highly non linear systems, one cannot expect a linear response to an increase of green house gas concentration because there exists various interactions and feedbacks at different scales between these systems and between their components. Before any prognosis about climate change it is rather indispensable to have a better knowledge of its natural variability. In any case, it will be extremely difficult or even fallacious to separate the anthropogenic and natural variability as it is likely that they strongly interact. To overcome such difficulties we argue that one has to keep as close as possible to the non linear physics of the involved phenomena. This is the objective of a multifractal analysis, which is both multiscale and multiintensity, of the available data.

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)0.002
metaresearch head score (Gemma)0.009
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.023
Threshold uncertainty score0.066

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0020.009
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0030.002
Science and technology studies0.0010.001
Scholarly communication0.0030.002
Open science0.0010.001
Research integrity0.0020.003
Insufficient payload (model declined to judge)0.0200.003

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 head0.226
Teacher spread0.209 · 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 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

Citations1
Published2002
Admission routes1
Has abstractyes

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