BBC Earth the Biography Disc 1 (2007)

Index
Peter's DVD rating: 3.0 stars
QE31 .S722 2008
Presented by Dr. Iain Stewart:
Volcanoes.
Atmosphere.
Ice.
02:30 Erta Ale Volcano lava lake (Ethiopia Afar region) 06:30Plume creates land, warms hot springs (Iceland) 11:10 North American and Eurasian Plates split (Thingvellir, Iceland)
13:00 Plate tectonics 13:50 Pangea 225 million years ago 14:50Pacific and Australian Plates collide to create New Zealand Southern Alps 5 million years old)
16:30European Alps, Andes, Himalayas 17:00Earthquakes in northern Pakistan Oct 2005; hills rose 16 feet. 20:00Shotover River carves gorge, New Zealand
20:30 Amazon River erodes 2 billion tons of Andes per year 20:40Ganges River erodes 1 billion tons of Himalayas per year 22:30Hot spring pools similar to early Earth, inhabited by microbes (Rotorua, New Zealand)
25:30Hydrothermal vents 26:40Carbon dioxide from volcanoes warmed early Earth/weak Sun. 28:50 Stromatolites (Shark Bay, Australia)
29:50Snowball Earth 700 million ywars ago 33:00Warmed by carbon dioxide from volcanoes 630 million years ago. 34:10Ediacaran fossils with head and organs (Adelaide, Australia)
37:00 Dickinsonia is segmented 40:00Photosynthetic plankton sbsorb carbon dioxide, replenished by subduction volcanoes. 42:40Mount St. Helens was a subduction volcano
47:00English Electric Lightning plane flies to 3KM high (South Africa) 50:00troposphere -> stratosphere (ozone) -> mesosphere -> thermosphere 1:01:50 Rocks carved by wind (The Wave, Arizona)
1:04:15 Wind ridges - yardangs (Iran, northwest China) 1:04:50Dust from Sahara blows across Atlantic to Amazon, 40 million tons per year 1:07:10Warm air from Amazon clashes with cold air from south pole -> lightning, sprites (Argentina)
1:14:20Stromatolites are photosynthetic and release oxygen 1:17:15 Banded iron aborbed the oxygen 1.5 billion years ago (Australia) 1:19:30Oxygen forms Ozone layer
1:25:00Methane in melting permofrost (Siberia) 1:33:30Argenteuil glacier (French Alps) 1:40:40 Lake Vostok
1:42:20Ice age began 3 million years ago: North and South America collided; Gulf stream brings snow to north. 1:44:10El Capitan carved by glaciers (Yosemite) 1:48:40Glaciers left gravel surronded by Manhattan Schist
1:50:50Ice cave inside Glacier (Norway) 1:54:05 Glacier flowing (Greenland) 1:55:15 Glacial Lake Missoula 16K years ago broke ice dam and carved canyon (Northwest US Scablands)
2:01:20Iceberg nursery, albedo effect (Greenland) 1:05:30 Jakobshavn Glacier melting since 1997 (Greenland) 2:13:27 Columbia Glacier melting (Alaska)
Erta_Ale.JPG
02:30 Erta Ale Volcano
Geyser.JPG
06:30 hot springs
Thingvellir.JPG
11:10 North American and Eurasian Plates split
Tectonics.JPG
13:00 Plate tectonics
Pangea.JPG
13:50 Pangea
Southern_Alps.JPG
14:50 Southern Alps
Amazon.JPG
20:30 Amazon River
Stromatolites.JPG
28:50 Stromatolites
Dickinsonia.jpg
37:00 Dickinsonia
The_Wave.JPG
1:01:50 Rocks carved by wind
Yardangs.JPG
1:04:15 Wind ridges - yardangs
Banded_iron.JPG
1:17:15 Banded iron
Ozone_hole.JPG
1:19:30 Ozone layer
Lake_Vostok.JPG
1:40:40 Lake Vostok
Manhattan.JPG
1:48:40 Manhattan Schist
Glacier_flowing.JPG
1:54:05 Glacier flowing
Scablands.JPG
1:55:15 Glacial Lake Missoula
Jakobshavn_Glacier.JPG
1:05:30 Jakobshavn Glacier
Columbia_Glacier.JPG
2:13:27 Columbia Glacier
   
Index Feb 19, 2010 copyleft Peter Chen