unit 4: gallery walk slides

7
Source: http://www.ncdc.noaa.gov/paleo/slides/slideset/11/11_178_slide.htm l over during the Last Glacial Maximum

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Page 1: Unit 4: gallery walk slides

Source: http://www.ncdc.noaa.gov/paleo/slides/slideset/11/11_178_slide.html

Ice cover during the Last Glacial Maximum (LGM)

Page 2: Unit 4: gallery walk slides

http://bonesandskulls.co.uk/2012/12/29/adriatic-refugium/

During the Last Glacial Maximum (LGM), sea level dropped 120m. As a result, shallow area of the ocean became exposed (shown here in red)

Page 3: Unit 4: gallery walk slides

http://patti-isaacs.com/portfolio/#jp-carousel-201

Page 4: Unit 4: gallery walk slides

Wikimedia Commons: Post-Glacial_Sea_Level.png (Robert A. Rohde)

POST-GLACIAL CHANGE• As the ice sheets melted away in the later stages of the last glacial and during the

early part of the Holocene (our current warm interglacial time), sea-level rose.• Sea-level reached a point close to the present level about 8,000 years ago.

Page 5: Unit 4: gallery walk slides

Raised beaches in Scotlandhttp://www.rsgs.org/ifa/gems/landformraisedbeach.html

There is also geologic evidence of times when sea level was higher than present

Page 6: Unit 4: gallery walk slides

Above are two images of strandlines (raised beaches) in the Varanger Peninsula, on the extreme north coast of Norway -- on the shore of the Arctic Ocean / Barents Sea.

http://brian-mountainman.blogspot.com/2013/10/varanger-isostatic-rebound.html

Page 7: Unit 4: gallery walk slides

http://www3.villanova.edu/conferences/biogeomon/trips.html