Journal
REGIONAL STUDIES IN MARINE SCIENCE
Volume 41, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.rsma.2021.101609
Keywords
Cook Inlet; Kachemak Bay; Lagrangian; Drifters; Surface currents
Categories
Funding
- Bureau of Ocean Energy Management
- Cook Inlet Regional Citizens Advisory Council
- Kachemak Bay National Estuarine Research Reserve
- Alaska Deparment of Fish and Game
- National Ocean and Atmospheric Administration
- National Science Foundation [OIA-1208927]
- State of Alaska
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By deploying nearly 90 Lagrangian surface drifters in lower Cook Inlet and Kachemak Bay, researchers were able to create maps of the surface circulation, revealing new details such as anti-cyclonic circulation around Kalgin Island and multiple circulation cells in Kachemak Bay.
Nearly 90 Lagrangian surface drifters were deployed and often recovered and re-deployed in lower Cook Inlet and Kachemak Bay from 2003 through 2007 and from 2012 through 2017. Velocity vectors calculated from the hourly position data by central finite-differences were low-passed filtered to create maps of the mean, sub-tidal surface circulation. The circulation maps, while generally consistent with the results of Burbank (1977) and Muench et al. (1978), provide new detail showing anti-cyclonic circulation around Kalgin Island, a single cyclonic circulation cell in outer Kachemak Bay, and two circulation cells, one cyclonic and the other anti-cyclonic, in inner Kachemak Bay. (c) 2021 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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