A Kettle on the Waterloo Moraine EarthCache
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A Kettle on the Waterloo Moraine
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This Earthcache is on a city trail that is open from 6am-11pm.It is a nice walk or bike ride.You will have to gather a few answers at a plaque near the kettle hole and e-mail them all to the CO,you will also need to take a picture of the kettle hole.
Kettle holes are depressions left by the melting of an ice block lodged in a deposit of till or drift.As the last glaction ended,parts of the melting glacier were covered with thick layers of sediment.
Insulated from the increased warmth,the ice blocks gradually disappeared over one thousand or more years,finally creating different sized depressions.These were usually waterfilled.Sediments,animals and plants were swept into them from the surrounding landscape.Water filled hollows are called kettle lakes.The dry hollows are called kettle holes.Both are quite common on the Waterloo Moraine.
By comparing the present range of these plants and animals species,geologist and biologist can provide estimates of former temperture for Waterloo Region.
Radio carbon dating the organic material such as the seeds ,insects or numerous wood fragments in the kettle sequences also tell us how rapidly environment change have taken place.Scientist using such methods try to provide estimates of how fast future climate might change with global warming.
Each of these hollows can be regarded as an individual book that tells us how the environment and climate in the area has changes through the years.
Many kettle deposits are covered over.filled in or completely excavated in many urban area,such as near here.With destruction of each kettle hole,we lose wetlands,special habitat that often shelter rare animals,plants and natural archive.
To log this cache,find the answer on the plaque near the kettle hole.E-mail them to the CO
1-15,000 to 13,000 years ago,what was the landscape like?
2-How thick is the peat present day?
Also post a picture of yourself and/or gps with the kettle in the background
I would like to thank The City of Waterloo and Dr. Alan V. Morgan of UW for putting this trail story together.
This use to be the site of an Unknown cache-GC17GJK-Kettle Cache
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