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Climate change in Australia Essay
Climate change in Australia Essay
Climate change in Australia Essay
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Australian Climate
Australian Climate Zones
When looking at the climate of Australia, we can break up the continent into three basic areas of climate. The tropical region containing the northern peninsulas of Australia, as well as the city of Darwin, is hot and extremely wet. Average maximum temperatures range from 30 - 39°C with an average annual rainfall of up to 400 cm. The tropical north is covered with rainforests and is regularly hit by tropical monsoons, hence the extreme amount of precipitation. Secondly, the central deserts and grasslands cover over seventy percent of the inland and receive the least amount of rain, from 12 to 100 cm annually. The maximum temperature ranges from 24°C in the southern deserts to over 36°C in the northern grasslands. This enormous section of Australia is usually referred to as the “Outback” and is not densely populated. The third and most heavily-populated climate area is the temperate south and southeast. The big cities in Australia – Melbourne, Sydney, Canberra, Brisbane and Perth – are all located in the south, and all in the southeast except for Perth. We will focus on the southeastern coastal area when talking about this temperate climate zone, as the vast majority of Australians live in this area. The climate here is very moist and mild; although not as wet as the tropical north, receiving anywhere from 50 to 320 cm of rain annually, but much wetter in comparison to the Outback. The average maximum temperature in the southeast ranges from 12 to 27°C, which is more livable compared to the rest of the continent. To understand just how these climate zones function, we must look at the subtropical high that exists in the southern “horse latitudes” of around 30°S.
The Subtropica...
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...on of El Nino, which many think has to do with increased pollution and other human influences on the environment, has created an almost constant state of drought in Australia. For the citizens of Australia, we can only hope that the global community can strive to treat the environment better, as the smallest detrimental actions can have far-reaching consequences when it comes to weather and society.
Bibliography
Australia Bureau of Meteorology, “Bureau of Meteorology Home Page,” http://www.bom.gov.au/
Dimantina Touring, “Outback Australia Climate,” http://www.diamantina-tour.com.au/outback_info/climate.htm
Earthsci.org, “Australia Climate,” http://earthsci.org/weather/austwea/autwea.htm
Monash University, “ Australia ’s Climate,” http://www.monash.edu/international/australia/climate/
Weathersavvy.com, “Deserts,” http://weathersavvy.com/Q-Deserts1.html
Sydney is situated in zone of the subtropical oceanic climate which characterized by moderately hot summers and moderately warm winter. This climate conditions very favorable for people, animals and plants habitation. How we can see in the table "Mean Daily Temperatures", temperature does not fall below zero. It is congenially for agriculture, especially sowing corn. More than half of the arable land is occupied by wheat. In addition, people grow citrus, pineapples, mangoes and sugarcane.
Australia is a land of rather extreme weather conditions and widely diverse climates that force the vegetation living there to adapt in many interesting ways. Australia is the driest continent, and biomes such as grasslands and savannas are prime sources of widespread catastrophic fires. The plants that grow in the vast arid and semi-arid regions of Australia are prone to fires simply because of the desert climates that they grow in. High temperatures combined with low fuel moisture contents, little humidity and drying winds that sweep across the landscape encourage many of the plants living in these areas to burst into flames at fairly frequent intervals. Serotinous cones, protective bark, intricate underground recovery systems, unique seed distributions and even the necessity of fire for reproduction are just some of the amazing ways that the major plant families which grow in these fire-prone areas have learned to adapt to their environments.
Water is the most relied upon resource on earth and if it disappeared life could not and would not exist on this planet. So if one of our main sources of water in South Australia, The Murray Darling-Basin, becomes unusable then we would need to find the problem and do everything possible to stop it or counteract it. This report investigates on salinity in the Murray Darling-Basin, using the issue question “Is there enough being done to counteract the effects of salinity in the Murray?” as the focus. Salinity is a key significant environmental challenge which the Murray faces and if left unmanaged it could cause serious implications for water quality, plant growth, biodiversity, land productivity, infrastructure and could lead to a loss of a water source that’s critical to human needs. In this investigation five different aspects of this salinity issue are presented and these aspects include what Salinity is and how it has become an issue, what the effects are, how salinity affects the rest of Australia, what can be done and is anyone doing anything and finally what the visions are for the future of the Murray and its salinity levels.
I always loved to go out into the forest and wander around hoping to find something magical hiding in its depths. I always saw nature as something to be respected and taken care of. However nowadays we live in a world where nobody cares about mother earth and nature, therefore causing global warming and greenhouse gases. Due to the ever increasing gas emissions in our atmosphere, it is causing many people across the globe to suffer. For example, when I went to Somalia in 2009, I had not experience any kind of rain for a year. It was one of the worst drought Somalia have ever seen, and unfortunately I was a victim of it. I would remember myself herding the goats for my grandmother, in search of grass so that the goats could eat and gain weight. However that was not possible due to the drought, and in the end my grandmother was left with no goats. People lack to understand that this world is ours, and if we don’t take care of it then our kids won’t have a world to live in. Most people are ungrateful and fail to recognize our duty as a human beings living on planet earth. There are high increases in tornado’s, and other natural disasters due to global warming. For example just last week a rare tornado hit Sydney, causing cricket ball-sized hail, and winds up to 200 km. It is reported that Australia is experiencing an El Nino weather pattern, therefore causing extreme droughts, storms, and floods. John Muir hinted
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Two months leading to the black Saturday bushfires, intense heat waves struck Victoria, causing minimal rainfall, resulting in the worst drought ever recorded in Australia.
Before I came to Australia, I did some backgrounds preparation and familiarized myself with its landscape, accent, animals and etc. So when I arrived in Sydney in January, everything is anticipated, except Australians’ mighty passion on celebrating the Australia Day. Despite my shallow understanding of Australia’s history, I am entirely affected by the atmosphere. I can still remember the busy city swelled with parades and many people had their face painted or wore flag capes. All the barbeques, fireworks, and people’s excitements make the event like a giant carnival. And interestingly, similar things happened again in the following Anzac day.
There are many causes of drought. The first element is about the water cycle. The moving clouds and moisture over the atmosphere cannot make a place receive the normal amount of rainfall during a period of time. ( Lincoln, 2014). It means there is not have enough moisture to create precipitation. If residents who live near a river, most of their water comes from this river. And their drought might because of the less precipitation at upstream. (ibid). As a result of the drought there will be a shortage of water in the region. The most important climatic phenomenon that causes drought is Southern Oscillation. “Southern Oscillation is a primary air pressure change which is a seesawing of atmospheric pressure between an area just to the north of Australia and the central Pacific Ocean.” (Study Guide 23). It is also linked to El Nino and La Nina. “El Nino is a complex interaction between air and sea in tropical Pacific. “(Robert, 2013). El Nino means little boy in Spanish and also means unusually high atmospheric pressure and sinking air through Northern Australian w...
Decreasing rainfall and exterior reservoir recharge since the mid-1970s in Western Australia have been related to fluctuations in atmospheric circulation that are constant with what would be predictable in an atmosphere subjective by rising greenhouse gas intensities. The Water Corporation of Western Australia is focusing the lessening surface water resource by setting out to distribute a ‘climate-independent’ reserve of water for domestic
Over the past five years the Australian economy has gone through many changes experiencing both the peaks and troughs associated with business cycle.
Australia is home to around 24,000,000 people and almost as many environmental issues. With severely high carbon emissions, drought, and many invasive species, the country is in environmental turmoil. Australian biota has been severely impacted by changes occurring since European settlement began in 1788, with more than 10% of mammal species lost in the past 225 years (Turvey, 2013). There have also been 23 bird species or subspecies, 4 amphibians and more than 60 plant species known to be lost during this period (Shine, 2010). Invasive species are viewed as one of largest threats to biodiversity, however, there are examples of introduced species that have had relatively minor ecological impacts and still others that have even
...ld. Globally, more intense hurricanes and downpours could cause billions of dollars in damage to property and infrastructure. Declining crop yields due to prolonged drought and high temperatures, especially in Africa, could put hundreds of thousands of people at risk for starvation. The Ski resorts located in the lower altitudes of the Swiss Alps have difficulty obtaining bank loans because of declining snow.
Australia is home to the great barrier reef which is the world's largest coral reef system, and home to the kangaroo. Australia is the driest continent in the world. The outback is the part of Australia that few live in because it’s a vast desert (“Australia”). The great dividing range is a long chain of mountains that runs along the Pacific Coast of Australia (“Australia”). Australia is the driest inhabitable country in the world (“Australia”). The great barrier reef of Australia is the largest in the world (“Australia”). Australia is already a dry country and if the temperature rises anymore due to climate change than Australia could suffer from more severe forest fires and be doomed.
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We live on an incredibly large planet. Even broader than the size of the planet are the amount of changes and relationships between humans, animals, environment, weather, and the effects of each. Many times with busy schedules and modern lifestyles we forget the interaction that goes on between any number of concepts or ideas. We fail to realize that a specific weather occurrence in the Pacific Ocean can have an effect on every day life in the United States. El Nino is one of the largest scientific phenomenons that scientists have ever explored. The main concepts of El Nino are very simple and there are many variations, causes, affects, and relationships to study.