On the spatial distribution of high winds off southeast Greenland

Harden, B. E. and Renfrew, I. A. ORCID: https://orcid.org/0000-0001-9379-8215 (2012) On the spatial distribution of high winds off southeast Greenland. Geophysical Research Letters, 39 (14). L14806. ISSN 1944-8007

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Abstract

The spatial distribution of barrier winds along southeast Greenland has been investigated through idealized modeling of unidirectional flow towards an isolated mountain. The regions of enhanced surface wind speed seen in previous studies are reproduced and shown to be primarily the result of promontories in the orography along the southeast coast (the maxima disappear in experiments without the promontories). Two mechanisms are proposed to explain these enhancements. Firstly, a reduction in pressure experienced by the flow as it passes a promontory results in an acceleration akin to that of easterly tip jets at Cape Farewell. Secondly, mountain waves observed along the southeast coast are accompanied by strong, low-level downslope winds in the lee of the promontories. Both mechanisms contribute to the simulated wind speed maxima.

Item Type: Article
Faculty \ School: Faculty of Science > School of Environmental Sciences
Depositing User: Users 2731 not found.
Date Deposited: 20 Mar 2013 14:49
Last Modified: 09 Nov 2022 16:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/41956
DOI: 10.1029/2012GL052245

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