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Record W258823699 · doi:10.4095/211146

Recent warming impacts in the Mackenzie Delta, Northwest Territories, and northern Yukon Territory coastal areas

2000· report· en· W258823699 on OpenAlexaffabout
S A Wolfe, Erica Kotler, F M Nixon

Bibliographic record

Venuenot available
Typereport
Languageen
FieldEarth and Planetary Sciences
TopicClimate change and permafrost
Canadian institutionsNatural Resources Canada
Fundersnot available
KeywordsDeltaGeographyPhysical geographyOceanographyClimate changeArchaeologyGeology

Abstract

fetched live from OpenAlex

Ice wedges on northern Richards Island, Northwest Territories, and along the Yukon Territory coastlands, have responded to increased thaw depths. Observations made in 1999 are compared to those last made in these areas in 1975 and 1984, respectively. Climate data indicate that air temperatures in these areas have been warmer than average since 1978 and that warming in 1998 was an extreme event. Increased thaw in response to this warming has caused a decrease in the number of secondary and tertiary ice wedges, and is attributed to thaw truncation. Depths to the tops of ice wedges on Richards Island have increased, whereas depths have decreased on the Yukon Territory coastlands due to thaw consolidation. Thaw-tube observations indicate that 1998 thaw depths were the greatest since 1991 across the northern Mackenzie Delta region, with increases of as much as 21 cm.

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 score0.598
Threshold uncertainty score0.799

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 studies0.0010.000
Scholarly communication0.0000.000
Open science0.0000.001
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 head0.043
GPT teacher head0.262
Teacher spread0.219 · 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

Citations27
Published2000
Admission routes2
Has abstractyes

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