Holocene glacial history and sea‐level changes on James Ross Island, Antarctic Peninsula

Palaeolimnological evidence for marked Holocene environmental changes on Signy Island, Antarctica

“…Zone 1 Basal dates from the cores fall within the 10 000-3900 yr BP range for deglaciation and lake formation reported from presently ice-free areas around the Antarctic Peninsula (Ingólfsson et al, 1992;Zale and Karlén, 1989). This wide range reflects sitespecific factors such as glacier ice-extent and multiple re-advances which strongly influence the timing of lake formation (e.g., Hjört et al, 1997;Björck et al, 1996;Herron and Anderson, 1990). Our data indicate that following lake formation the climate was cool with possible extended periods of winter lake ice cover.…”

Phylogenetic position and taxonomy of three heterocytous cyanobacteria dominating the littoral of deglaciated lakes, James Ross Island, Antarctica

“…1). The formation of the lakes under study was connected with the last deglaciation period during Termination I and early Holocene (7,000-12,000 years) and they belong to the oldest lakes in the area (Hjort et al 1997). For an ecological description of the whole area, see and .…”

Mechanisms of Holocene palaeoenvironmental change in the Antarctic Peninsula region

“…. A variety of onshore features have been used to determine ice sheet extent, including till stratigraphy, moraines, striations, trimlines and erratics (e.g., Clapperton and Sugden, 1982;Rabassa, 1983;Hjort et al, 1997;. Offshore, the relatively recent application of highresolution sonar mapping (i.e., swath bathymetry) to marine glacial geomorphology has allowed identification of landforms such as mega-scale lineations, drumlins, ice-and subglacial meltwatermoulded bedrock as well as moraines and grounding zone wedges, providing detailed information about former ice sheet extent and dynamic behaviour (e.g.…”

“…A A A n n n t t t a a a r r r c c c t t t i i i c Glacial geomorphological records from terrestrial and continental shelf environments provide additional information on past ice extent and thickness, and the timing of glaciation and deglaciation (eg, Sugden et al, 2006). A variety of onshore features have been used to determine ice sheet extent, including till stratigraphy, moraines, striations, trimlines and erratics (eg, Clapperton and Sugden, 1982;Rabassa, 1983;Hjort et al, 1997;Bentley et al, 2006). Offshore, the relatively recent application of high-resolution sonar mapping (ie, swath bathymetry) to marine glacial geomorphology has allowed identification of landforms such as mega-scale lineations, drumlins, ice-and subglacial meltwatermoulded bedrock as well as moraines and grounding zone wedges, providing detailed information about former ice sheet extent and dynamic behaviour (eg, Anderson, 1999;Anderson et al, 2002;Canals et al, 2000Canals et al, , 2002Evans et al, 2005;Ó Cofaigh et al, 2005a, b;Wellner et al, 2006).…”