Wind And Wave Storms, Storm Surges And
Sea Level Rise Along The Estonian Coast Of The
Baltic Sea
Author(s)
Ü. Suursaar, T. Kullas & R. Szava-Kovats
Abstract
Winter changes in atmospheric circulation above Northern Europe are among the
most prominent regional manifestations of global climate change. Particularly
vulnerable are the coastal regions along the so-called North Atlantic storm track,
along which these changes threaten shipping, infrastructure and human lives.
The aim of this paper is to present an overview of storm climatology over the
Baltic Sea and to investigate the effects of changes in wind climate on the
hydrodynamic regime in the almost tideless fetch-limited nearshore region of
West Estonia. The paper presents a statistical analysis of sea level data from tide
gauges during 1899–2008, an analysis of wind data from coastal stations during
1966–2007, and a corresponding wave hindcast study. The results show a
positive trend both in local storminess and storm surge height. Although both
average wind speed and average wave heights showed a slight decrease in the
area during 1966–2007, the occurrence of rough sea states has increased. Some
of the prominent windstorms also caused major wave storms and storm surges
(in 1967, 1969, 2005), depending on cyclone track, coastline configuration and
angular distribution of fetches.
Keywords: wind climate, storm surges, wave modelling, trends, cyclone tracks.
Keywords
wind climate, storm surges, wave modelling, trends, cyclone tracks
Related Book
Other papers in this volume
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