A Statistical Approach to Multisite Downscaling of Daily Precipitation Processes in the Context of Climate Change
Bibliographic record
Abstract
The present study proposes a statistical downscaling (SD) approach to represent the linkages between global scale climate predictors and daily precipitation processes at many local sites concurrently. This SD method is based on a combination of two multiple regression models for describing precipitation occurrences and amounts and on the use of the Singular Value Decomposition technique for modelling the stochastic components of these two models. The feasibility of the proposed procedure was assessed using the NCEP/NCAR re-analysis data and the daily precipitation data from a network of 10 raingages located in the Quebec-Ontario region (Canada). Results of this application have indicated the ability of this SD approach to reproduce accurately the observed statistical properties of daily precipitations, and the temporal-spatial dependence and intermittency of the underlying precipitation processes. The proposed SD tool can be used for assessing the climate change impacts on daily precipitations at many different sites over an area of interest.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
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".