ocean migration motives and mechanisms
DESCRIPTION
Ocean Migration Motives and mechanisms. Jeffrey A. Bennett, Airline Captain (ret.) Graduate Mech. Eng., Loyola University Experienced in ocean travel. Skin boat (re-created) Bronze Age. YEMEN. 2 ½ miles. Horn of Africa. Technology was driven by necessity and inventiveness. - PowerPoint PPT PresentationTRANSCRIPT
Ocean Migration Ocean Migration
Motives and mechanismsMotives and mechanisms
Jeffrey A. Bennett,Jeffrey A. Bennett,Airline Captain (ret.)Airline Captain (ret.)
Graduate Mech. Eng., Loyola UniversityGraduate Mech. Eng., Loyola UniversityExperienced in ocean travelExperienced in ocean travel
Skin boat (re-created) Bronze Age
Horn of Africa
YEMEN
2 ½ miles
Technology was driven by necessity and inventiveness
A lifelike carving replaced a mummy’s missing toe.
Motives for migration that drove Motives for migration that drove technology developmenttechnology development
HungerHunger PopulationPopulation ClimateClimate Lack of food Lack of food TradeTrade War strifeWar strife
Goths escaping from the Huns by raft
Tracking chormozones through time60,00050,00045,00040,00035,000
30,00025,00020,00010,000
Sea battle between Egyptians
and the Sea People
Technology, 10,000 BP
Technology 300 BP
Technology Now
A PERUVIAN BALSA
THEIR “BOATS” ARE REALLYRAFTS MADE OF REEDS
AN ESKIMO UMIAK
This boat is structurally similar to the bayak but it has no deck.
A PHOENICIAN BIREME
An oar and sail driven shipthat sailed around Africa
2600 BP
These drawings
made 40,000 BP
have been used
to make a boat
that looks like … ?
The ABORA III
A ship that has
sailed against
wind and ocean currents
in theMediterranean
and the onAtlantic!!!
Phoenician merchant trading ship- re-creation
Figian sailing canoe
TANIT SHIPWRECKC. 2750
The TOMOL
ConclusionsConclusions Man has traveled on waterMan has traveled on water for 70,000 years.for 70,000 years.
Evidence: Genetics, artifacts.Evidence: Genetics, artifacts.
Record from before ice age.Record from before ice age.
Many antique ships found recently.Many antique ships found recently.Past developments ‘rediscovered’. Past developments ‘rediscovered’. Good planning = good sea eatingGood planning = good sea eatingFloating uses less energyFloating uses less energy than walking. than walking.Early ocean migration was Early ocean migration was eminently doable.eminently doable.
BIBLIOGRAPHYBIBLIOGRAPHY
for thefor the
OCEANSOCEANS
END SLIDE SHOWEND SLIDE SHOWSELECT VIEW “NORMAL”SELECT VIEW “NORMAL”
GRAB BOTTOM OF SCREEN (ABOVE “BOOK“)GRAB BOTTOM OF SCREEN (ABOVE “BOOK“)and PULL UP.and PULL UP.
A way out of AfricaA way out of AfricaIn 70,000 BPIn 70,000 BPman was in danger.man was in danger.We knowWe knowvia Geneticsvia GeneticsThat he went That he went north and eastnorth and eastout of Africa.out of Africa.
Maybe from Djibouti to Yemen Maybe from Djibouti to Yemen on reeds or skin floats.on reeds or skin floats.
A way out of AfricaA way out of Africa
Archeological Archeological evidence of evidence of human habitation human habitation has similar dates has similar dates from Middle East from Middle East and maritime and maritime Asian Pacific.Asian Pacific.
Maybe across Maybe across the Red Sea the Red Sea on reed floats.on reed floats.