Pilot study of fossil evidence of onshore-directed storm events in estuarine sediments: Chezzetcook Inlet, Nova ScotiaNatural Resources Canada Climate Change Impacts and Adaptation Program SST 20090027

Autor:	Charles T. Schafer, Franco S. Medioli
Rok vydání:	2009
Předmět:	geography geography.geographical_feature_category biology Climate change Sediment Storm biology.organism_classification Inlet Coring Sedimentary depositional environment Foraminifera Oceanography Benthic zone General Earth and Planetary Sciences Geology
Zdroj:	Canadian Journal of Earth Sciences. 46:193-205
ISSN:	1480-3313 0008-4077
DOI:	10.1139/e09-015
Popis:	Sediment cores collected from the landward side of a baymouth barrier in a lower estuarine environment of Chezzetcook Inlet contain proxy “signals” of onshore-directed storms that are manifested by the sudden appearance of benthic and planktic Foraminifera species. These taxa have been eroded and transported from adjacent inner shelf open-marine environments. One relatively strong onshore-directed storm (hurricane?) event appears to have caused a reduction in seawater exchange in the southeastern part of the inlet that persisted for at least several decades. In this particular barrier-protected lower estuarine depositional environment, foraminiferal storm-indicator species distributions in older sediments seem to be spatially patchy. Consequently, in this Chezzetcook depositional setting, the successful reconstruction of a complete proxy storm record will require replicate coring and high-frequency core subsampling strategies.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::3c393515d5e15790916441bb6b40bc8c https://doi.org/10.1139/e09-015 Zobrazit plný text záznamu Plný text ve formátu PDF