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The World’s Last Great Wilderness (Antarctica)
Dr Julian ParenSchools Liaison Officer
British Antarctic Survey
Talk at RGS 8 February 2001
The Antarctic continentThe Antarctic continent
• Coldest, driest, windiest, highest, and least accessible continent
• Winter population 1000 people, 10,000 in summer• 10,000 tourists visit for a few days in summer• Ice covered for the last 25 million years• Less than 1% of continent is ice free• Once the home of dinosaurs, trees and plants• An insect is the “lion” of the Antarctic
The Southern OceanThe Southern Ocean
• Fifty million seals & 15 million penguins• Regional fishery of global economic value• History of over-exploitation. Seals, whales. penguins and
fish• Fishery for krill and fish regulated by science-backed
international body under Antarctic Treaty• Pirate fishing due to lack of effective policing• Decline of albatross due to mortality on long lines of tuna
fishermen in sub-Tropics
The Antarctic TreatyThe Antarctic Treaty
• Antarctica is “a natural reserve devoted to peace and science”
• The Antarctic Treaty manages the region’s wildlife• Mining is forbidden • The Treaty runs indefinitely• Forty-four countries have acceded to the Antarctic Treaty
(80% of the world population)• All 44 countries have to agree to Treaty revisions
“Green” fallacies about the Antarctic“Green” fallacies about the Antarctic
• The Antarctic Treaty expires in 50 years• Mining is only banned for 50 years• Antarctica is under threat from developers• People working in the Antarctic have polluted the
continent• Antarctica still has to be saved• Penguins fall over backwards when planes fly overhead!
Home truths from the AntarcticHome truths from the Antarctic
• The Antarctic is the most rigorously protected region of the world
• The protection is legally backed• International inspection teams monitor compliance with
the Antarctic Treaty• Man’s footprint on Antarctica is practically invisible• More “pollution” enters the region through the
atmosphere than is generated there (DDT, CFCs )
Antarctic discoveriesAntarctic discoveries
• The destruction of the ozone layer• A 400,000 year demonstration of the link between
greenhouse gases and climate• The global impact of the Industrial Revolution• A reduction of the height of the ionosphere consistent
with “global warming”• Lakes beneath the Antarctic ice sheet believed to contain
life forms possibly millions of years old
Antarctica is part of the worldAntarctica is part of the world
• The Earth system involves the whole Earth• Antarctic studies are essential• There can be no weak link in understanding the Earth
system• Climate feedbacks involving ice, snow, sea ice and ocean
currents provide the greatest challenges in predicting the future
The Arctic The Arctic
• Contains cities, towns and universities• Indigenous population share the region with new settlers• All Arctic land is under the jurisdiction of a sovereign
state• UK scientists regularly work in the Arctic• There is far more science activity in the Arctic compared
to the Antarctic
The Antarctic ice sheetThe Antarctic ice sheet
• Ice up to three miles (4500 m) thick• Coldest surface temperature -89 degrees C• Enough ice for each person in the world to have a block
180 m by 180 m by 180 m• If all melted, sea level could rise 65 metres• If all the glaciers doubled their speed of flow it would
take 12,000 years for the ice to float into the Southern Ocean
Antarctic ice and sea level riseAntarctic ice and sea level rise
• A small change in the size of the Antarctic ice sheet would be serious for sea level
• One small part of Antarctica is above freezing in the summer - the Antarctic Peninsula.
• The Antarctic Peninsula is warming and its coastline is changing
• Maps of Antarctica need updating regularly because of the changes to the coastline
• The disintegration of ice shelves from the Antarctic Peninsula has had no effect on sea level
• Most of Antarctica is not warming
• In a warmer world more snow will fall over the Antarctic
• Enhanced Antarctic snowfall is possibly the only natural way that sea level rise can be slowed
Future developments in AntarcticaFuture developments in Antarctica
• Exploring the largest lake under the ice sheet• Obtaining a reliable climate record over half a million
years• Exploiting natural “antifreeze” in Antarctic organisms• Studying the effects of increased UV-radiation and
“global warming” on Antarctic life• Celebrating the centenaries of the historic expeditions of
Scott, Shackleton and Bruce
Antarctic Schools PackAntarctic Schools Pack
• Fifteen sections : each with worksheet and tasks and resources for multiple photocopying
• Teachers notes• Sent free to every UK secondary school• Aimed at A-level standard• Written by British Antarctic Survey scientists and an
educational advisor• Published by the Foreign and Commonwealth Office
Antarctic Schools PackAntarctic Schools Pack
• The nature of Antarctica
• Discovery of Antarctica
• Living and working in Antarctica
• Science in Antarctica
• The Antarctic Treaty System
• Geology in Antarctica
• Antarctic ice
• The Antarctic climate
• The ozone hole
• Geospace
• Terrestrial and freshwater lake ecosystems
• Marine ecosystems
• Management and conservation of marine species
• Environmental protection of Antarctica
• Tourism in Antarctica
Feedback on Antarctic Schools PackFeedback on Antarctic Schools Pack
• “An essential resource for school or college”• “Packed with a variety of up-to-date and relevant
information that can be used flexibly in the classroom”• “Mori” poll voted it one of the best four resources
available for study of environmental change• Received Gold Award of Geographical Association in
Spring 2000
Future teaching resources on AntarcticaFuture teaching resources on Antarctica
• BAS has signed a partnership agreement with the Geographical Association
• First priority is to develop a Work Package at GCSE level on Antarctica
• Propose to develop materials for Primary Schools• BAS welcomes feedback on the Schools Pack• BAS will develop www.antarctica.ac.uk
Resources on the webResources on the web
• www.antarctica ac.uk (British Antarctic Survey)• www.asoc.org (The Antarctica Project)• www.antarctic.com.au (Antarctic Adventure)• www.aad.gov.au/goingsouth/tourism/news (tourism)• http://files.fco.gov.uk/info/briefs/antarctic.pdf
(Britain and Antarctica briefing document)
• news.bbc.co.uk (search for “Antarctic”)
This powerpoint was kindly donated to www.worldofteaching.com
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