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- Champlain_Sea abstract "The Champlain Sea was a temporary inlet of the Atlantic Ocean, created by the retreating glaciers during the close of the last ice age. The Sea once included lands in what are now the Canadian provinces of Quebec and Ontario, as well as parts of the American states of New York and Vermont.The mass of ice from the continental ice sheets had depressed the rock beneath it over millennia. At the end of the last ice age, while the rock was still depressed, the Saint Lawrence and Ottawa River valleys, as well as modern Lake Champlain, were below sea level and flooded once the ice no longer prevented the ocean from flowing into the region. As the land gradually rose again (a process known as isostatic rebound), the sea coast gradually retreated to its current location. The sea lasted from about 13,000 years ago to about 10,000 years ago and was continuously shrinking during that time, since the rebounding continent was slowly rising above sea level. At its peak, the sea extended inland as far south as Lake Champlain and somewhat farther west than the city of Ottawa, Ontario, and farther up the Ottawa River past Pembroke. The remaining glaciers fed the sea during that time, making it more brackish than typical seawater. It is estimated that the sea was as much as 150 metres (490 ft) above the level of today's Saint Lawrence and Ottawa Rivers.The best evidence of this former sea is the vast clay plain deposited along the Ottawa and St. Lawrence Rivers. This resulted in distinctive forest types, and large wetlands. Other modern evidence of the sea can be seen in the form of whale fossils, (belugas, fin whales, and bowhead whales) and marine shells that have been found near the cities of Ottawa, Ontario, and Montreal, Quebec. There are also fossils of oceanic fish such as capelin. The Sea also left ancient shorelines in the former coastal regions, and the Leda clay deposits in areas of deeper water.The northern shore of lake was in southern Quebec where outcrops of the Canadian shield form the Eardley Escarpment. This escarpment still has distinctive plants that may date back to the sea. The Eardley Escarpment is known locally as the Gatineau Hills; part of the Mattawa fault at the southeastern edge of the Ottawa-Bonnechere Graben, in Eastern Ontario and the Outaouais region of Quebec, more commonly known as the Ottawa Valley.".
- Champlain_Sea thumbnail Champlain_Sea.png?width=300.
- Champlain_Sea wikiPageExternalLink history.htm.
- Champlain_Sea wikiPageExternalLink f3-0.htm.
- Champlain_Sea wikiPageExternalLink retrait.glaces.html.
- Champlain_Sea wikiPageExternalLink gar14.html.
- Champlain_Sea wikiPageExternalLink whale.
- Champlain_Sea wikiPageID "30873796".
- Champlain_Sea wikiPageRevisionID "605937180".
- Champlain_Sea hasPhotoCollection Champlain_Sea.
- Champlain_Sea subject Category:Climate_history.
- Champlain_Sea subject Category:Glacial_lakes_of_the_United_States.
- Champlain_Sea subject Category:Historical_oceans.
- Champlain_Sea subject Category:Ice_ages.
- Champlain_Sea subject Category:Lake_Champlain.
- Champlain_Sea subject Category:Natural_history_of_New_York.
- Champlain_Sea subject Category:Natural_history_of_Ontario.
- Champlain_Sea subject Category:Natural_history_of_Quebec.
- Champlain_Sea subject Category:Natural_history_of_Vermont.
- Champlain_Sea subject Category:Pleistocene.
- Champlain_Sea subject Category:Seas_of_the_Atlantic_Ocean.
- Champlain_Sea type BodyOfWater109225146.
- Champlain_Sea type GlacialLakes.
- Champlain_Sea type HistoricalOceans.
- Champlain_Sea type Lake109328904.
- Champlain_Sea type Ocean109376198.
- Champlain_Sea type PhysicalEntity100001930.
- Champlain_Sea type Sea109426788.
- Champlain_Sea type SeasOfTheAtlanticOcean.
- Champlain_Sea type Thing100002452.
- Champlain_Sea type YagoGeoEntity.
- Champlain_Sea type YagoPermanentlyLocatedEntity.
- Champlain_Sea comment "The Champlain Sea was a temporary inlet of the Atlantic Ocean, created by the retreating glaciers during the close of the last ice age. The Sea once included lands in what are now the Canadian provinces of Quebec and Ontario, as well as parts of the American states of New York and Vermont.The mass of ice from the continental ice sheets had depressed the rock beneath it over millennia.".
- Champlain_Sea label "Champlain Sea".
- Champlain_Sea label "Champlainmeer".
- Champlain_Sea label "Mer de Champlain".
- Champlain_Sea label "Море Шамплена".
- Champlain_Sea sameAs Champlainmeer.
- Champlain_Sea sameAs Mar_de_Champlain.
- Champlain_Sea sameAs Mer_de_Champlain.
- Champlain_Sea sameAs m.06dwk9.
- Champlain_Sea sameAs Q1061490.
- Champlain_Sea sameAs Q1061490.
- Champlain_Sea sameAs Champlain_Sea.
- Champlain_Sea wasDerivedFrom Champlain_Sea?oldid=605937180.
- Champlain_Sea depiction Champlain_Sea.png.
- Champlain_Sea isPrimaryTopicOf Champlain_Sea.