2012
DOI: 10.1007/s10584-012-0523-4
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Analysis of trends and sudden changes in long-term environmental data from King George Island (Antarctica): relationships between global climatic oscillations and local system response

Abstract: The Western Antarctic Peninsula is one of the most rapidly warming regions on earth.It is therefore important to analyze long-term trends and inter-annual patterns of change in major environmental parameters to understand the process underlying climate change in Western Antarctica. Since many polar long-term data series are fragmented and cannot be analysed with common time series analysis tools, we present statistical approaches that can deal with missing values. We applied U-statistics after Pettit and Buish… Show more

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Cited by 77 publications
(45 citation statements)
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“…Significant warming and salinification of the deeper waters over the southern and central WAP shelf resulted from shoaling of the thermocline along the slope and increased transport of warm upper circumpolar deep water (UCDW) onto the shelf, as well as increased heat content of the UCDW layers themselves (Martinson et al 2008;Schmidtko et al 2014). Significant surface freshening has been observed closer to coastal glacial meltwater sources, whilst upper layer salinification has occurred further offshore (Bers et al 2013;Meredith and King 2005;Schloss et al 2012).…”
Section: Introductionmentioning
confidence: 99%
“…Significant warming and salinification of the deeper waters over the southern and central WAP shelf resulted from shoaling of the thermocline along the slope and increased transport of warm upper circumpolar deep water (UCDW) onto the shelf, as well as increased heat content of the UCDW layers themselves (Martinson et al 2008;Schmidtko et al 2014). Significant surface freshening has been observed closer to coastal glacial meltwater sources, whilst upper layer salinification has occurred further offshore (Bers et al 2013;Meredith and King 2005;Schloss et al 2012).…”
Section: Introductionmentioning
confidence: 99%
“…The regimes can last for several decades and abruptly change to other ones. Technically, an abrupt climate change is the threshold crossing and climate system transition to a new state at a rate determined by the climate system itself and faster than the cause (Bers et al, 2013). In general, the climate tipping points are often irreversible and can have dramatic and important results on the earth system (Thompson and Sieber, 2011).…”
Section: Temporal Variation In the Daily Precipitation Concentratiomentioning
confidence: 99%
“…The 25 de Mayo/King George Island, one of the South Shetland Islands where Potter Cove is located, is not an exception: ice caps registered a loss of about 20.5 km 2 in area between 2000 and 2008 (Rückamp et al 2011). The Fourcade Glacier surrounding Potter Cove shows an accelerated retreat, affecting the hydrographical characteristics of the cove and driving significant changes in established benthic communities (Monien et al 2011, Rückamp et al 2011, Schloss et al 2012, Bers et al 2013, Quartino et al 2013, Deregibus et al 2015, Pasotti et al 2015, Sahade et al 2015. This glacier retreat is also opening new ice-free areas, providing an excellent opportunity to study colonisation and succession processes in Antarctic ecosystems.…”
Section: Introductionmentioning
confidence: 99%