7717 to 7728 of 14026 results
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Temperature effects of passive greenhouse apparatus in high-latitude climate change experiments
Read more of: Temperature effects of passive greenhouse apparatus in high-latitude climate change experiments1. Passive greenhouse apparatus is commonly used to investigate the in situ biological response of terrestrial communities to global warming. 2. Although close conformity of greenhouse treatment effects to general […]
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Simulated climate change: are passive greenhouses a valid microcosm for testing the biological effects of environmental perturbations?
Read more of: Simulated climate change: are passive greenhouses a valid microcosm for testing the biological effects of environmental perturbations?This paper considers the use of passive greenhouse apparatus in field experiments investigating the biological consequences of climate change. The literature contains many accounts of such experiments claiming relevance of […]
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Glossary of glaciated continental margins and related geoscience methods
Read more of: Glossary of glaciated continental margins and related geoscience methodsThe original version of this glossary was published almost 20 years ago in the landmark volume Glaciated Continental Margins: An Atlas of Acoustic Images (Bell et al. 1997). For the […]
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Geomorphology of the huge Hinlopen-Yermak landslide on the northern Svalbard margin
Read more of: Geomorphology of the huge Hinlopen-Yermak landslide on the northern Svalbard marginSubmarine landslide scars, including the huge Hinlopen–Yermak slide-scar north of Svalbard (Fig. 1) (Vanneste et al. 2006; Winkelmann et al. 2006), are relatively common geomorphological features on glaciated continental margins. […]
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A glacial landform assemblage from an inter-ice stream setting in the eastern Amundsen Sea Embayment, West Antarctica
Read more of: A glacial landform assemblage from an inter-ice stream setting in the eastern Amundsen Sea Embayment, West AntarcticaLarge ice streams that drain the West Antarctic Ice Sheet (WAIS) into the Amundsen Sea Embayment (ASE) are currently thinning, accelerating and retreating rapidly (e.g. Rignot et al. 2014). These […]
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Submarine landform assemblage produced beneath the Dotson-Getz palaeo-ice stream, West Antarctica
Read more of: Submarine landform assemblage produced beneath the Dotson-Getz palaeo-ice stream, West AntarcticaWithin Earth’s ice sheets, fast-flowing ice streams are the principal components through which ice and sediment are discharged, accounting for c. 90% of the ice lost from the Antarctic today […]
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Large, buried glacial moraines revealed by TOPAS sub-bottom profiling, South Orkney Islands, South Atlantic Ocean
Read more of: Large, buried glacial moraines revealed by TOPAS sub-bottom profiling, South Orkney Islands, South Atlantic OceanSubglacial and ice-marginal landforms produced during the Last Glacial Maximum and subsequent regional deglaciation become progressively more buried, especially when postglacial sedimentation rates are high. Sub-bottom profiling is usually used […]
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Iceberg ploughmarks and associated sediment ridges on the southern Weddell Sea margin
Read more of: Iceberg ploughmarks and associated sediment ridges on the southern Weddell Sea marginPloughing by deep keels of floating icebergs is a common feature of high-latitude continental margins. Icebergs that have calved from glaciers or ice sheets produce a range of seafloor signatures, […]
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Subglacial meltwater channels in Marguerite Trough, western Antarctic Peninsula
Read more of: Subglacial meltwater channels in Marguerite Trough, western Antarctic PeninsulaMeltwater channels that have formed beneath glaciers and ice sheets have been observed on glaciated terrain, both terrestrial and submarine. Around Antarctica, channels incised into bedrock on the inner continental […]
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Nordvestfjord: a major East Greenland fjord system
Read more of: Nordvestfjord: a major East Greenland fjord systemFjords are deep valleys that have been flooded by encroaching seawater after ice retreat (Syvitski et al. 1987). They are produced mainly by glacial erosion, with the ice sometimes exploiting […]