Flashcards
What Makes Australia Unique
Cards in this deck (71)
- 1Australia distance east->west4100km
- 2Australia Distance north->south3180km
- 3overall areanearly 7.7 km2
- 4countries size scale in world6th largest country
- 5coastline scale in world7th largest coastline in the world
- 6coastline length30 000 km2
- 7no. of islands12000
- 8closest four countriesPNG
Indonesia
East Timor
NZ - 9hemispheric locationsouther/eastern hemispheres
- 10region locationsAustralasian Region
Oceanic Region - 11age of land surfaceOldest land surface in the world (due to erosion and no tectonic movement)
- 12inhabited by Aborigines for....40 000 years
- 13Aborigines believe the land was made in the ......Dreamtime
- 14Major Drainage basins include-Gulf Of Carpentania
-Timor Sea
-North-east coast - 15Gulf Of Carpentania Basin drains...23.3% of all Australian water
- 16Timor Sea Basin drains....23.3% of all Aus water
- 17North-east Coast basin drains...21.1% of all Aus water
- 18Australia's largest riverMurray Darling
- 19Murray-Darling river drains6.1% of all Aus water
- 20What percentage of Aus recieves less than 600mm of rain per year/300mm of rain per year?600mm=80%
300mm=50% - 21Australia's 6 main climates include:-equatorial
-desert
-subtropical
-tropical
-temperate
-grassland - 22Types of Australian Vegetation include: DREMMWGSS-Rainforest
-Dry/Wet Eucalyptus forest
-Mallee/Mulga Scrub
-Woodlands
-Mountain Moor
-Swam Meadow
-Grassland Savannah
-Saltbush
-Desert - 23driest place in AusCoober Pedy, SA
- 24wettest place in AusTully, QLD
- 25What pressure system is common in AUS for most the the year?HPS are most common
- 26HPS move from....West->East
- 27wettest parts of AUS are thenorth and east coasts
- 28why is the east coast so wet?easterlys bring rain
- 29what season brings the most HPS?winter brings the most HPS
- 30Why does the temp. vary?-areas of higher latitude on earths surface are more exposed to sun
-coastal regions have less variation due to slow heating/cooling of ocean - 31coldest place in AUS is....charlottes pass, NSW
- 32Hottest place in AUS is.....Oodnadatta, SA
- 33Where are trees most dominant?trees are dominant in high rainfall areas
- 34where is it most effect to grow crops/agriculture?high-moderat areas of rainfall
- 35some AUS natural resources include....-Aluminium
-Gold
-Lead
-Iron
-Coal
-Natural Gasses
-Oil - 36Natural HazardsA potential natural threat to humans and communities
- 37Natural DisastersThe consequences of when a Natural Hazard comes in contact with a community
- 38Natural Hazards can include:fire, flood, cyclones, sink holes, drought, sand storm, volcano eruptions, earthquakes, tsunamis, land slides, storms, lightning
- 39cyclones are....sever weather events that occur when warm air spirals upwards and is pulled towards a place of low pressure. Causes high winds, rough seas, heavy rain e.c.t.
- 40cyclones form over....water at 26.5 degrees celsius that is 10 m deep
- 41Low pressure system of....990 hPa
- 42cyclones form in the.....Tropics (around 5-22 degrees N of equator)
- 43cyclone season is typically.....Jan-March
- 44Cyclones spin due to the.....Coriolis effect
- 45what direction do they spin in the Southern Hemisphere?Clockwise
- 46What is the Coriolis effect?Fluids spinning when crossing the Earths surface due to curvature of Earth.
- 47Cyclone eyecloud free area
intense low pressure
sinking cool air
surrounded by intense could wall - 48cyclones can cause....flooding, extensive damage to property and crops, heavy rain, gale winds, storm surges
- 49Category 1:1-125km/h winds
- 50Category 2:125-169
- 51Category 3:170-224 km/h
- 52Category 4:225-279 km/h winds
- 53Category 5:280 or above
- 54Yasi formed:January 26
- 55formed in:330km west of Tuvalu
- 56Declared cyclone on:29th jan 2011
- 57crossed coast at:Innisfail QLD
- 58Time of crossing:Feb 3rd Midnight
- 59Category:5
- 60length of cyclone and eye500km wide, eye was 60 of those km
- 61speed of travel35km/h
- 62speed of winds290km/h
- 63rainfallaround 300 mm
- 64storm surgeup to 6m
- 65died out:feb 3rd 10pm mount Isa QLD
- 66relief:highest point-lowest point
- 67gradient=difference between heights/horizontal differnce
- 68neutral in isobars is:1013 hPa
- 69Cyclone Yasi banana impacts :around 90% of crops damaged
- 70Damage to farming:$80 million in farming damage
- 71telphone wire and landline damage25 telephone wires damaged
10, 000 landlines cut off
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- Flashcards on What Makes Australia Unique, created by jetaylor18 on 18/05/2015.
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- jetaylor18
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