Ice-work, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1903 - 295 pagini |
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Pagina 38
... which , in the Northern Hemisphere , extends beyond the seventy - ninth parallel of latitude . Over almost the whole region the mean annual temperature is below the 38 ALPINE GLACIERS, PAST AND PRESENT ARCTIC AND ANTARCTIC ICE-SHEETS.
... which , in the Northern Hemisphere , extends beyond the seventy - ninth parallel of latitude . Over almost the whole region the mean annual temperature is below the 38 ALPINE GLACIERS, PAST AND PRESENT ARCTIC AND ANTARCTIC ICE-SHEETS.
Pagina 39
... latitude 70 ° being often as low as 32 ° . It is not probable that the climate in any part of Europe during the Glacial Epoch was as severe as this , so that we may regard Green- land as exhibiting a picture of cold the effects of which ...
... latitude 70 ° being often as low as 32 ° . It is not probable that the climate in any part of Europe during the Glacial Epoch was as severe as this , so that we may regard Green- land as exhibiting a picture of cold the effects of which ...
Pagina 40
... latitude 62 ° north , is as low as 40 ° F. , and the soil is per- manently frozen to a depth of about 700 feet . Yet in all this region , notwithstanding the intense cold , glaciers are unknown . The reason is simple : the - air is dry ...
... latitude 62 ° north , is as low as 40 ° F. , and the soil is per- manently frozen to a depth of about 700 feet . Yet in all this region , notwithstanding the intense cold , glaciers are unknown . The reason is simple : the - air is dry ...
Pagina 42
... latitude 71 ° . In geographical position it corresponds roughly with the portion of Scandinavia which lies between the North Cape and Bergen . The comparison , however , may be pressed further . Such as Greenland is now , Norway has ...
... latitude 71 ° . In geographical position it corresponds roughly with the portion of Scandinavia which lies between the North Cape and Bergen . The comparison , however , may be pressed further . Such as Greenland is now , Norway has ...
Pagina 43
... latitude 63 ° , found no sign either of mountain ranges or of any marked inequality . He traversed a huge plateau , at a height of from 8000 to 9000 feet above the sea , which for many miles was as nearly as possible level , and from ...
... latitude 63 ° , found no sign either of mountain ranges or of any marked inequality . He traversed a huge plateau , at a height of from 8000 to 9000 feet above the sea , which for many miles was as nearly as possible level , and from ...
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Termeni și expresii frecvente
Alpine Alps amount angular basin beneath boulder clay breccias Britain Carboniferous chalk chap cliffs climate coast comparatively considerable crags débris descend direction distance district Drift Edition elevation England Eocene erratics feet above sea-level fragments Geol geologists Geology Geology of England glacial deposits Glacial Epoch glaciers Glen Roy granite Greenland ground height higher hills hypothesis Ice Age ice-sheet ice-streams inches indicate inland ice Irish Sea islands Jour lakes land land-ice latitude latter less lower lowlands Malaspina Glacier marine mass material melting miles Moel Tryfaen molluscs moraine mountain nearly neighbourhood névé northern Norway numerous Nunataks occasionally occur peaks pebbles precipitation present probably Professor Quart range region ridges rise river roches moutonnées sands and gravels Scotland shells side slope snow snow-line sometimes southern stones stratified streams striated subangular submergence surface temperature terminal moraine thickness tion traced upper valley Wales western yards
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Pagina 59 - It was a beautifully clear evening, and we had a most enchanting view of the two magnificent ranges of mountains, whose lofty peaks, perfectly covered with eternal snow, rose to elevations varying from seven to ten thousand feet above the level of the ocean. The glaciers that filled their intervening valleys, and which descended from near the mountain summits, projected in many places several miles into the nea, and terminated in lofty perpendicular cliffs.