High salinity winter outflow from a mega inverse-estuary—the Great Australian Bight

Autor:	E van Wijk, V Fahlbusch, J Hammat, John Bye, D Tippins, Peter Petrusevics
Rok vydání:	2009
Předmět:	geography geography.geographical_feature_category North central Geology Estuary Aquatic Science Oceanography Gravity current Salinity Outflow Entrainment (chronobiology) Seabed
Zdroj:	Continental Shelf Research. 29:371-380
ISSN:	0278-4343
Popis:	Conductivity-temperature-depth (CTD) observations taken in the Great Australian Bight (GAB) during ORV Franklin cruise Fr 07/94 in July 1994 indicated the presence of a dense bottom layer at the head of the GAB, which flowed along the sea floor towards the shelf-break as a gravity current The north central region of the GAB was stratified with a maximum salinity difference of between 0.4 and 0.5. The outflow was confined to the shelf and was directed in a south-easterly direction with little evidence of cross-shelf transport. The flow exhibited a well-defined bottom interface evident from the head of the GAB to near the mouth of Spencer Gulf (SG), where the surface-bottom salinity difference was about 0.3. The mean thickness of the outflow was about 15 m. An estimate of the speed of the outflow at the discharge over the shelf-break was made using the zero entrainment assumption. This yielded a speed of
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7efacc03b01fa9c42c510ffbb30fac72 https://doi.org/10.1016/j.csr.2008.10.003 Zobrazit plný text záznamu Full Text from ScienceDirect