Sentences with phrase «area during the glacial period»

It is called the «driftless» area because glaciers drifted around this area during the glacial period.

This is known as the «driftless» area of Wisconsin, because glaciers drifted around this area during the glacial period.

Not exact matches

During each glacial period the tropics became both cooler and drier, turning some areas of tropical rain forest into dry seasonal forest or savanna.

Most of these areas had been dry savanna or arid during the last glacial period.

If there was actually glaciation during cold periods, glacial dust might well have blown out to sea, fertilizing large areas and producing a stronger CO2 pump.

Well drained and rocky substrate there creates a glade ecosystem where sloping ground can encourage the growth of prickly pear cacti and other desert and prairie species such as the collared lizard, Crotaphytus that last covered the whole area around 7,000 years ago in the Hypsithermal Interval, during the Holocene Period, when warming dried out much of the glacial Northern Hemisphere.

Data from modern ice stream beds are difficult to obtain, but where ice advanced onto continental shelves during glacial periods, extensive areas of the former bed can be imaged using modern swath sonar tools.