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Record W2277073391

Regional and local climatology of a subarctic alpine treeline, Mealy Mountains, Labrador

2010· dissertation· en· W2277073391 on OpenAlexaboutno aff
Sarah Chan

Bibliographic record

VenueMemorial University Research Repository (Memorial University) · 2010
Typedissertation
Languageen
FieldEarth and Planetary Sciences
TopicTree-ring climate responses
Canadian institutionsnot available
Fundersnot available
KeywordsSubarctic climateDownscalingClimatologyClimate changeEnvironmental scienceDendroclimatologyClimate modelElevation (ballistics)Alpine climateCurrent (fluid)Physical geographyGeographyEcologyGeologyOceanography
DOInot available

Abstract

fetched live from OpenAlex

This thesis investigates climatological aspects of a subarctic alpine treeline site in the Mealy Mountains, Labrador. The first of two manuscripts looks at a method of regional climate modeling (statistical downscaling) to produce temperature scenarios for the future and to assess the applicability of large-scale models (global climate models) for regions of complex topography. Both the GCM and statistically downscaled models predict warming for the study site, especially for winter months. However, the output of GCMs was determined to not capture the local climatic influences of this region, and thus produces scenarios that smooth over the signal of future climate change. The second manuscript produces a descriptive climatology of the study site and also investigates the relationship of the treeline with the climate. It was determined that the current climate regime of the Mealy Mountains is not a limiting factor to tree growth beyond its current elevation; however, recent changes and future climate predictions may encourage the recruitment and establishment of spruce trees above their current position.

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 score0.929
Threshold uncertainty score0.142

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 head0.023
GPT teacher head0.256
Teacher spread0.233 · 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

Citations2
Published2010
Admission routes1
Has abstractyes

Explore more

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