Le bassin de retenue du parc de Bourran : vers une réhabilitation concertée et durable
Bibliographic record
Abstract
Le bassin de retenue a plan d’eau permanent de Bourran est situe a l’interieur d’un parc paysager ouvert au public.En 2007, un diagnostic sur l’etat des berges et des digues de l’ouvrage a montre des desordres importants, resultant notamment de la forte frequentation du site, de l’inadequation de certaines pratiques d’entretien de la vegetation et de ruissellements non canalises. Pour retablir l’integrite du bassin, d’importants travaux ont ete entrepris en 2008 par la communaute urbaine de Bordeaux (CUB), Lyonnaise des Eaux et la ville de Merignac. Des techniques de genie vegetal ont ete mises en oeuvre afin de preserver l’environnement et l’esthetique du site. Ces travaux ont ete accompagnes de la definition d’un plan de gestion du site visant a assurer leur perennite.Par ailleurs, le plan d’eau presente un etat sanitaire mediocre qui se traduit par une eau tres turbide, des odeurs nauseabondes, des mortalites piscicoles et un envasement important. A ce jour, aucune des actions deja menees sur le site n’a permis d’ameliorer durablement l’equilibre du plan d’eau : curage partiel, epandage de craie, aerateurs de surface. Un nouvel essai reposant sur l’oxygenation du fond du bassin par un reseau de tuyau Bulle est en cours depuis septembre 2008.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot 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.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.006 | 0.003 |
| Scholarly communication | 0.004 | 0.002 |
| Open science | 0.001 | 0.003 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.020 | 0.002 |
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 source (direct Gemma or distilled Codex), 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".