| This then provides the opportunity for Milankovich cycles to become the pacemaker of the ice ages, causing alternating glacials and interglacials. |
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| Glaciation in the Pleistocene was a series of glacials and interglacials, stadials and interstadials, mirroring periodic changes in climate. |
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| The interglacials and glacials coincide with cyclic changes in the Earth's orbit. |
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| The glacials and interglacials also coincided with changes in Earth's orbit called Milankovitch cycles. |
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| The shorter and warmer intervals between glacials are referred to as interglacials. |
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| The cycles in the isotope ratio were found to correspond to terrestrial evidence of glacials and interglacials. |
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| However, the scenario of cold, dry glacials, and warm, wet interglacials is rather too simplistic. |
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| Extensive evidence now shows that a number of periods of growth and retreat of continental glaciers occurred during the ice age, called glacials and interglacials. |
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| Despite the difficulties, analysis of ice core and ocean sediment cores has shown periods of glacials and interglacials over the past few million years. |
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| There is no systematic correspondence of pluvials to glacials, however. |
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| There is a general correspondence between glacials in different regions. |
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| In glacials a and c are stadials and b and d are warmer interstadials. |
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| Glacials are characterized by cooler and drier climates over most of the earth and large land and sea ice masses extending outward from the poles. |
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