Sentences with phrase «northern part of the ice sheet»

«We had little information in the south, but we had three or four more cores in the northern part of the ice sheet.

Not exact matches

The sediment cores used in this study cover a period when the planet went through many climate cycles driven by variations in Earth's orbit, from extreme glacial periods such as the Last Glacial Maximum about 20,000 years ago, when massive ice sheets covered the northern parts of Europe and North America, to relatively warm interglacial periods with climates more like today's.

In the cold times, ice sheets advanced over large parts of North America and northern Europe.

Indeed, if we closely look back at the map of the «rising» /» falling» tide gauges in Figure 8, we can see that some areas which would have been under or near the ice sheets during the glacial era show mostly «falling» trends (e.g., Fennoscandia in northern Europe, Alaska in US), while neighbouring areas show mostly «rising» trends (e.g., the parts of northern Europe south of Fennoscandia, northeastern North America).

Massive ice sheets covered parts of North America, northern Europe, and several other regions during the last ice age.

«Changes in the CO2 and CH4 content have played a significant part in the glacial - interglacial climate changes by amplifying, together with the growth and decay of the Northern Hemisphere ice sheets, the relatively weak orbital forcing»

Last glacial maximum was the period in the history of the planet when ice sheets covered significant part of the Northern hemisphere.

Looking to times long past, scientists recognized that massive ice sheets had once covered a good part of the Northern Hemisphere.

«This response is well known, but what is less known is that the input of fresh water also leads to changes far away in the northern hemisphere, because it disrupts part of the global ocean circulation,» said Nick Golledge from Victoria University in Wellington, New Zealand, an ice - sheet modeller and co-author.