Impacts of four storms in December 2010 on the eastern Shore of Nova Scotia
Notice bibliographique
Résumé
A series of intense low pressure systems struck the Atlantic Maritime Provinces during each week in December 2010. Record storm surges during December 21 and 27 most impacted the shores of Cape Breton Island and southern Gulf of St. Lawrence. Impacts along the coastal highlands of Cape Breton Island were compounded by high river discharge and slope instability caused by heavy rainfall during the December 14 and 21 events. Detailed observations and repetitive surveys of physical impacts to specific shore types from the December 2010 storms were limited to shores east of Halifax, Nova Scotia. The rapid succession of storms prohibited shoreline recovery and resulted in net shoreline retreat. Cumulative impacts of the storms included: an upper beach and backshore dune retreat of 7 to 9 m along sand and mixedsediment barrier beaches; a beach crest retreat of 2 to 4 m across high and low gravel barriers respectively; and a cliff top erosion of 1 to 1.8 m (between September 2010 and March 6, 2011) which was 4 to 7 times the average annual rate compiled between 1986 and 2009. Despite accelerated shore erosion caused by these storms, longer term evolutionary trends observed at select shores were only slightly altered. Longshore variations of storm impacts on specific beaches were a function of antecedent shore conditions. (a) At Miseners-Long Beach, representative of a high gravel barrier, increased changes across the upper beach and backshore signal future increased beach mobility, instability and a shift toward a low gravel barrier beach. (b) At Cow Bay Beach, representative of a low gravel barrier, the loss of small segments of high, narrow barrier, and the initiation of a new tidal channel signal continued rapid beach migration into Cow Bay Lake. (c) At Lawrencetown Beach, representative of a mixed sediment barrier, variable changes along the backshore revealed different longer term responses. To the east sediment deposition into backshore craters is depleting shoreface sand reserves and accelerating the breakdown of adjoining foredunes. To the west the movement of large quantities of coarse clasts to the upper beach imply it is evolving toward a high gravel barrier similar to Miseners-Long Beach. (d) At Conrads Beach, representative of a sand barrier, contrasting beach responses were recorded east and west of Fox Point. To the east, a maximum foredune retreat of 9.1 m was caused by repeated wave attack. To the west the foredune was cut back, however the change only represented a temporary interruption in a recent phase of foredune progradation since a tidal inlet was closed in the late 1980s.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,001 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,001 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,026 | 0,001 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; les deux têtes enseignantes s’accordent sur ce qui est montré ici.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».