Why are cirques important geological features?
Correct answer: They tell about past glacial behavior
Player LizBettan
Sweden has some amazing cirques
Paulus of Tarsus
Something interesting is that the direction a cirque faces (its aspect) can reveal information about past climates and glacier growth. In the Northern Hemisphere, many cirques face north or east, indicating they were sheltered from the sun and prevailing winds, which favored snow accumulation and glacier formation.