This website uses cookies to ensure you have the best experience. Learn more

An Essay On Natural Hazard; Storms And Black Saturday, Canberra, 2003

636 words - 3 pages

On 18 January 2003, Canberra was hit by the mostdevastating bushfire in its history. Canberra'sfirestorm had its beginnings on 8 January, whenlightning strikes in adjacent national parksignited a number of bushfires. Shifting windswidened the fire fronts of these fires, joining sometogether. Eight days later, strong south-westerlywinds drove the bushfire towards the nationalcapital.The fierce winds blew burning embers ahead ofthe fire front, igniting spot fires in and aroundhouses on the capital's south-western edge. Attimes, the shower of embers blew horizontally.There was little the 500 firefighters and 100police could do to stop such a massive blaze.Their work was made more difficult by thebillowing black smoke (which reduced visibility),by power and water-pressure failures, and by therapid spread of the fires.The conditions in and around Canberra on 18 Januarywere perfect for a firestorm. There was ahuge supply of fuel. (Canberra is ...view middle of the document...

Powerlines exploded and the famous MountStromlo Observatory was burnt down. Aswell as destroying lives, homes and livelihoods,the damage bill was expected to top$280 million.What is a storm?A storm is any violent disturbance of the atmosphereand the effects associated with it. Themain types of storms are thunderstorms, tropicalcyclones, cold fronts and tornadoes (twisters). Inthis section, we look at thunderstorms and theireffect on people's activities.A thunderstorm is a storm associated with lightningand thunder and occurs with cumulonimbusclouds. Cumulonimbus clouds can occursingly or extend over an area of 100 kilometresor more. Thunderstorms occur when cumulonimbusclouds build up enough static electricityto produce lightning. Lightning instantly heatsthe air through which it travels to about 20 000°Celsius Ð more than three times as hot as thesurface of the sun. This causes the air to expandso quickly that it causes an explosion (thunder).ningand thunder and occurs with cumulonimbusclouds. Cumulonimbus clouds can occursingly or extend over an area of 100 kilometresor more. Thunderstorms occur when cumulonimbusclouds build up enough static electricityto produce lightning. Lightning instantly heatsthe air through which it travels to about 20 000°Celsius Ð more than three times as hot as thesurface of the sun. This causes the air to expandso quickly that it causes an explosion (thunder).Severe thunderstorms can be a serious naturalhazard because they can bring one or more of thefollowing features:· Hailstones, which are two centimetres or morein diameter· Wind gusts of 90 kilometres or more per hour· Tornadoes, which are rapidly rotating columnsof air that descend in a funnel-shape fromthunderstorm clouds· Very heavy rain, which can result in ¯ash¯ooding. A thunderstorm often moves slowly,dropping a lot of precipitation in one area. Therain or hail may be too heavy and prolongedfor the ground to absorb the moisture. Thewater runs off, quickly ¯ooding local areas.http://members.pcug.org.au/~mdinn/fires/index.htmhttp://www.rmwebed.com.au/geo_2008/canberra.htmlhttp://members.pcug.org.au/~mdinn/fires/index.htmhttp://www.rmwebed.com.au/geo_2008/canberra.html

Other Essays Like An Essay On Natural Hazard; Storms And Black Saturday, Canberra, 2003

An Essay On The History And Present Western And American Intervention In The Middle East

9086 words - 37 pages coalition ground troops swept across Kuwait and southern Iraq, forcing Iraqi troops into a full-scale retreat. In the last 40 hours of the war, before Bush called a cease-fire on February 28, U.S. and British forces built up an assault against the retreating Iraqi soldiers. This was another bloody victory for the United States.Iraq was destroyed and kept permanently weak, and the coalition allowed the U.S. to create stronger ties with many of the

This Is An Essay On The Changes In History And How Certain People Helped This Change

1312 words - 6 pages with Charles I who had inherited the throne from his father James I. Charles I remained in an absolute monarchy and insisted on imprisoning foes without reason or trial and constantly took the money of his nation. Parliament consistently urged him to sign the Petition of Right, which stopped him from raising taxes or putting people in prison without the consent of Parliament. He signed, but did not pay any attention to it. He made many enemies among

This Is An Essay On Goler Wash And Many Areas Nearby

6030 words - 25 pages ), park & area maps, books, etc.BADWATER The lowest point in the Western Hemisphere is actually somewhere out on those salt flats, not by the side of the road at the turnout. If it's not too hot, park and walk out on the flats a mile or so for an eerie, desolate view. Check out the Sea Level sign painted on the cliffs behind the parking area.ARTIST'S DRIVE A one-way loop road to Artist's Palette, where there are some incredibly colorful, rainbow

Corruption: An essay on public officials and corruption in office. Includes works cited

534 words - 3 pages the first type, a public official is receiving private gain illegally for doing something that he or she is ordinarily required to do by law. In the second type, the bribe is paid to obtain services that the official is prohibited from providing. Another way that corruption can be defined is the behavior involved on the part of officials in the public sector in which they improperly and unlawfully, enrich themselves, by the use of public power

An Essay On The Opposing Views Of Columnists, Beth Quinn And Douglas Cunningham, On The 2004 Presidential Election

458 words - 2 pages should take into consideration that each party runs off of an extremely different platform. I feel that this year's election is going to be a very close one. The ratio of Bush-supporters to Bush-haters is very close. I agree mostly with the statements that Quinn said and would be a Kerry-supporter if he stood strong on his views and appeared reliable. So, in conclusion, I find myself leaning more towards Bush. I wish I could have a say in this

This Is An Essay About How One My Become Disappointed And The Effects The Emoctin My Have On Someone

679 words - 3 pages disappointed in a movie that we have seen or a concert we have attended. Disappointment is feeling you get when your team looses the baseball game. The feeling you get when you do not get that promotion at work in witch you have worked so hard that disappointment. Parents have high expectations for their children so when you get bad marks on your report card they feel Disappointment toward you.The essay Salvation written by LangstonHughes is a great

An Essay On Korean Film History. Describes Different Time Frames And The Differences Between The Eras Of Korean Films

2277 words - 10 pages tenant, but cannot express her feelings due to a restrictive social code. Shin's finely composed black-and-white images and assured style have made this film one of the undisputed classics of Korean cinema. Later in the decade, Shin would turn to color and a more sensual tone in works such as The Dream (1967), based on an ancient tale about a libidinous Buddhist monk, and a masterful work set in the medeival Chosun Dynasty: Eunuch (1968). In 1978

Essay On Theories Behind And Motivation Techniques, Including The Herzberg Theory, Etc As Applied To An Organization. Word Count: 1805

1926 words - 8 pages Herzberg's theory is that most individuals sincerely want to do a good job. Individuals should also receive regular, timely feedback on how they are doing and should feel they are being adequately challenged in their jobs. At Xxx's San Antonio mill, individuals by design own the business and manufacturing processes that they work on. This gives the employee an opportunity to take pride on their "own" piece of the process and their respective

Free Essays on A Doll's House: An Essay

1949 words - 8 pages , hat and cape. 7) Helen, the maid, is wearing a long black sleeved dress, with a long white apron on top in Act one. She is wearing the same clothes in Act Two and does not appear in Act three of the play. 8) Anna -Marie appears only in Act One and Two in which she is wearing a long, plain house dress. Properties Plot Scenery pieces for Act One: Nora and Torvald's apartment is an inexpensive but comfortably furnished room. In the

An Essay On The Period Of The Enligtenment

1020 words - 5 pages was also characterized by two tools of observation: the microscope and the telescope. Whether it was looking at the stars or lunar phases, what scientists saw and shared shook their world. Proof, now possible to observe, began to challenge Faith, the power that explained everything in the middle ages.The Results of this period involved dechristianization, new religions, changes in science, and the way people thought. The Enlightenment was a great period for my time as an intellectual and it will serve the future wonderfully. The discoveries in mathematics, astronomy, politics and other areas will live on for long periods of time.

Love Your Neighbour: An Essay On The Teachings Of Jesus

972 words - 4 pages on the other side. But a Samaritan, as he journeyed, came to where he was; and when he saw him, he had compassion, and went to him and bound up his wounds, pouring on oil and wine; then he set him on his own beast and brought him to an inn, and took care of him. And the next day, he took out two denaii and gave them to the innkeeper, saying, "Take care of him; and whatever more you spend, I will repay you when I come back.'Which of these three

Related Papers

An Essay On Natural Hazards And Natural Disasters

581 words - 3 pages vulnerableto the threat of natural disaster. It showsthat different types of hazards and disasters areprevalent in different parts of Australia. Forexample, cyclones located to the north of Australiaare associated with the warm tropicalocean; bushfires to the south of Australia areassociated with dry vegetation. People who moveto an area are usually aware if it is located in anatural hazard zone. For example, though Cairnsis subject to cyclones, the

An Essay On Essays

920 words - 4 pages verse have been dubbed essays (e.g. Alexander Pope's An Essay on Criticism and An Essay on Man). While brevity usually defines an essay, voluminous works like John Locke's An Essay Concerning Human Understanding and Thomas Malthus's An Essay on the Principle of Population are counterexamples. In some countries (e.g., the United States and Canada), essays have become a major part of formal education. Secondary students are taught structured essay

An Essay On Linguistic

1280 words - 6 pages An Essay On Language & Culture An Essay on Language and Culture Culture is a wider system that completely includes language as a subsystem. In a broad sense, it means the total way of a people, including the patterns of belief, customs, objects, institutions, techniques, and language that characterizes the life

Preparing And Producing An Academic Essay On A Particular Topic

1400 words - 6 pages How would you prepare and produce an academic essay on the topic: "What are the strategic constraints to cross-border airline mergers?" An academic essay is generally classified as an argument or discussion written with the intension to enlighten the reader about a topic, whilst it also tests the student or writer on their understanding about the area. The essay is expected to present a point of view from the writer’s knowledge which is