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CSIRO/BOM: Australia’s Mean Temperature has Risen 0.7 °C Since 1960, Climate Change is Real

An increase in the mean temperature in Australia of about 0.7 °C (1.26 °F) since 1960 and other observed changes in rainfall, sea level rise, ocean acidification and atmospheric CO2 concentration show that “climate change is real”, according to a joint CSIRO/Bureau of Meteorology (BOM) statement and snapshot of the state of the country’s climate. CSIRO, Australia’s national science agency, and the Bureau of Meteorology are the country’s two lead climate science agencies.

The snapshot is sourced from peer reviewed data on temperature, rainfall, sea level, ocean acidification, and carbon dioxide and methane levels in the atmosphere.

Australia holds one of the best national climate records in the world. The Bureau’s been responsible for keeping that record for more than a hundred years and it’s there for anyone and everyone to see, use and analyse.

—Dr. Greg Ayers, BOM Director

Changes observed include:

  • Temperature. Since 1960 the mean temperature in Australia has increased by about 0.7 °C . The long term trend in temperature is clear, but there is still substantial year to year variability of about plus/minus 0.5 °C (0.9 °F). Some areas have experienced a warming of 1.5 to 2 ºC (2.7 °F to 3.6 °F) over the last 50 years. Warming has occurred in all seasons, however the strongest warming has occurred in spring (about 0.9 °C, 1.62 °F) and the weakest in summer (about 0.4 °C, 0.72 °F).

    The number of days with record hot temperatures has increased each decade over the past 50 years, while there have been fewer record cold days each decade. 2000 to 2009 was Australia’s warmest decade on record.

  • Rainfall. While total rainfall on the Australian continent has been relatively stable, the geographic distribution of rainfall has changed significantly over the past 50 years. Rainfall decreased in south-west and south-east Australia, including all the major population centers, during the same period.

  • Sea-level rise. Rapidly rising sea levels from 1993 to 2009, with levels around Australia rising, between 1.5mm and 3mm (0.059" to .118") per decade in Australia’s south and east and between 7mm and 10mm (.276" to .394") in the country’s north.

  • Sea surface temperatures. Sea surface temperatures around Australia have increased by about 0.4°C (0.72 °F) in the past 50 years.

  • Ocean acidification. The world’s oceans currently absorb about 25% of the carbon dioxide generated by humans—with about 40% of this being absorbed in the Southern Ocean. The CO2 absorbed by the ocean makes the ocean become more acidic. Recent research shows that ocean acidification decreases the ability of marine plants and animals to form shells. Such effects are now being observed at the base of the food chain in the Southern Ocean.

Australian average temperatures are projected to rise by 0.6 to 1.5 ºC [1.08 to 2.7 °F] by 2030. If global greenhouse gas emissions continue at current levels, warming is projected to be in the range of 2.2 to 5.0 ºC [3.96 to 9 °F] by 2070. Warming is projected to be lower near the coast and in Tasmania and higher in central and north-western Australia. These changes will be felt through an increase in the number of hot days.

In Australia compared to the period 1981-2000, decreases in rainfall are likely in the decades to come in southern areas of Australia during winter, in southern and eastern areas during spring, and in south-west Western Australia during autumn. An increase in the number of dry days is expected across the country, but it is likely that there will be an increase in intense rainfall events in many areas.

There is greater than 90% certainty that increases in greenhouse gas emissions have caused most of the global warming since the mid-20th century. International research shows that it is extremely unlikely that the observed warming could be explained by natural causes alone. Evidence of human influence has been detected in ocean warming, sea-level rise, continental-average temperatures, temperature extremes and wind patterns. CSIRO research has shown that higher greenhouse gas levels are likely to have caused about half of the winter rainfall reduction in south-west Western Australia.

—CSIRO/BOM Snapshot

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Comments

The Goracle

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“climate change is real”

No one is disputing that Earth's climate changes. It is obvious given that SUVs, and human activity in general, melted the glaciers that used to cover Ohio. What?!?!?! There were NO SUVs when Ohio was covered by glaciers? Oh, so there is some dispute, whether Al Gore says that it's "settled science" or not, over what changes Earth's climate.

Sadly, Globalwarmists believe that massive tax increases, extraordinary loss of freedom, and an ever expanding, incompetent, government are the solutions to Earth's naturally changing climate.

In related, blasphemous, news (not to be published by GCC because it is related to Climate Change - but does not hold to Globalwarmist religious dogma) Great Briton has made some of the false advertising, Globalwarmist propaganda, illegal. At least we are making progress!

Praise be to Algore!

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Scatter

"Great Briton has made some of the false advertising, Globalwarmist propaganda, illegal. At least we are making progress!"

Err...wrong:

http://www.guardian.co.uk/science/2010/mar/13/government-cleared-climate-change-adverts

Henry Gibson

Climate change has always been real.

Where are the glaciers that once covered much of the northern hemisphere??

Has CO2 increased the rate of this change from cold to hot? Or is it preventing the canals of Holland and the Baltic sea from freezing as they did in the little ice age?

Australia exports massives amounts of coal, do they consider it their contibution to the increase of CO2 or do they blame the increase of CO2 thus produced on the others who bought it.

Australia also exports much less massive amounts of uranium but refuses to use it itself to reduce their production of CO2 because they falsely consider it to be much more dangerous.

The only reason freon was allowed to be banned in civilized countries is because DuPont's patent ran out and they wanted to make money on something else for cars and refrigerators. DuPont forgot that sealed hermetic systems allowed the sufficiently safe use of simple hydrocarbons which nearly all Europe now uses for refrigerators. They are, however, succeeding in a battle to make people believe that hydrocarbons in sealed automotive airconditioners is a major hazzard of operating automobiles with a full unsealed tank of gasoline.

All of Europe now believes that lead is unacceptable in electric circuits when every hectare of their ground contains pounds of it, both natural, and unnatural.

Lead water pipes, in most undeveloped countries, would save more lives than continuing to have no pipes.

Humans are natural causes, if plants are to be considered natural. ..HG..

HarveyD

What people think and do is often induced or dictated by whoever has the (visible or invisible) power over them. Look at what happened in Germany in 1930-1940, in Iran and Afghanistan in the last 20+ years, in Russia for most of the last century etc.

Something may have happened to North America some 13,000 years ago that provoked major extended climate changes and 1,000- year long cold spell. More and more researchers think that North America may have been hit by fair size space objects that set it on fire followed by wide temperature drops. The snow ball effect may have lasted up to 1,000 years. It did not really warm up again till 12,000 years ago.

The current warm cycle don't seem to have any natural or space causes. It could be the first man-made warm cycle and will probably be followed by an extended cold cycle a century or two latter. Nobody really knows the extend and exact duration of either cycle.

Can humanity reverse a man-made climate change cycle? We probably could but we have not evolved enough to do it let alone realizing what is going on.

Will S

We're continuing to sleepwalk into creating a dire situation for our children, their children, etc.

Posts by climate deniers such as Goracle are increasingly shrill and decreasingly scientific (what little science they relied on to begin with).

SVW

Goracle, you already have your worst nightmare of "massive tax increases, extraordinary loss of freedom, and an ever expanding, incompetent, government"

Your poor struggling pals in Wall St have to be bailed out,this is coming from your taxes right now.....

George W has given you Homeland Security, and greatly curtailed your precious freedom of movement and speech and then, to top it all off, this Texan advocate of small government went and nationalised General Motors.

Under GWB more industry in $ value was nationalised than under Mao or Stalin.

Where are your posts about these huge taxes,these massive losses of freedom and this radical expansion of big government, perhaps you can direct me to them?

Clearly as these have actually happened you must be much more vocal and active about these real events, happening now, than the distant threat of future action?

Stan Peterson

Climate Changes. We are closer to the next periodic and natural, Ice Age than we are to the the beginning of this current Holocene Interglacial.

For the past few million years the Earth seems to be in a pattern of periodic transitions between an Ice Age lasting around 90,000 to 100,000 years, with glaciers covering the continents; and an interglacial period lasting roughly 10,000 years when temperatures are much warmer. We live in the tail end of the Holocene interglacial warm period.

Despite all the propaganda, the last estimate of the period of time it would take to melt either Greenland or Antarctica ice sheets, if they were melting which they are not, is roughly 14,000 years in one case, and 25,000-40,000 years in the second. Too bad for the Warmist Druids, both are longer than a typical inter-glacial is long, being warm.

Al Gore, the Southern Baptist, college-trained, Fire-and-Brimstone, Televangelist, and general non-scientist phony, doesn't believe his own propaganda. Or he would not have spent $4 million dollars on a personal seafront condominium. A building that his sermons say will be under the sea, in a few years.

I am a Scientist, who has read the science papers, not just the propaganda utterances, and am unconvinced of the scientific basis for their Cassandra-like hectoring.

The Goracle

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Will S, that was quite the shrill post! Thank you. Yes, glaciers, natural warm and cold cycles, have nothing to do with science.

So, Will S said "We're continuing to sleepwalk into creating a dire situation for our children, their children, etc. Interesting that your arguments are the same arguments that most religions make. Next time throw in "repent" and it will sound even more convincing.

No, Will S, us "deniers" are awake and are looking at the actual science rather than blindly following Al Gore et. al.

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kelly

"An increase in the mean temperature in Australia of about 0.7 °C (1.26 °F) since 1960 and other observed changes in rainfall, sea level rise, ocean acidification and atmospheric CO2 concentration show that “climate change is real”, according to a joint CSIRO/Bureau of Meteorology (BOM) statement and snapshot of the state of the country’s climate. CSIRO, Australia’s national science agency, and the Bureau of Meteorology are the country’s two lead climate science agencies."

This is the conclusion of the MANY scientists having actually studied the data.

Will S

For those few who are unaware of the scientific backing of human-caused global warming;

Climate change and sustainable energy supply are crucial challenges for the future of humanity. It is essential that world leaders agree on the emission reductions needed to combat negative consequences of anthropogenic climate change...The need for urgent action to address climate change is now indisputable.

2009 Joint Statement by the National Science Academies of the US, UK, Germany, Canada, Australia, Japan, France, Italy, Russia, China, India, Brazil, and Mexico

Goracle, what you are sharing is not science, it is cherry-picked propaganda.

Henry Gibson

Move cities, people and industries away from the areas close to the sea, if something needs to be done about climate change, and the sea might flood them. The changing climate has not created any significant reductions in the total population of the earth, and in fact population has constantly increased in the face of tsunamis, hurricanes and floods.

Climate change has increased the number of humans and they, rather than CO2, are the clearest danger to the other inhabitants of the earth.

The ecology of the earth has clearly been changed by humans but the same could be said about plants, termites, ants and beetles.

There is just one guarantee about the climate of the earth; it will change.

I suggest that the people most worried about climate change on the earth form a colony somewhere in the wildernesses of Australia but some what close to the sea for water transportation for construction material.

These colonists can then build a deep underground colony that will be forever severed from climate change.

It will be deep enough that they can rely on geothermal energy, if they can forget that geothermal energy comes from the nuclear decay of potassium, uranium and thorium which permiate the entire earth as radioactive wastes from the creation of the universe.

The geothermal energy can also supply food by the first simple step of making the universal elixir known as hydrogen with its universal mate oxygen. Combined with carbon containing CO2 and other wastes, a variety of Quorn or Pruteen can be produced. It may be discovered that direct injection of hydrogen into the bloodstream can produce energy by a long unused form of metabolism.

There is no question that some anaerobic microrganisms can exist in the intestines that could turn CO2 and hydrogen into a nutrient that can be absorbed into the bloodstream. This would save much on the production of CO2 by humans, if they were equipped with a hydrogen tank which injected hydrogen into the intestines. Usually the reverse happens.

Some recently discovered molds seem to exist on the energy supplied by the gamma rays of nuclear change, and these can be a taste change to the diet as well.

The isolated climate colony can be a trial run for a similar one on the moon where the climate has not changed in millions of years, if not billions. ..HG..

The Goracle

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Will S said: Goracle, what you are sharing is not science, it is cherry-picked propaganda.

Will S, what you are sharing is not cherry-picked propaganda, it is government sponsored propaganda. It's quite stunning to see Globalwarmists throw out history and simply believe what people say when THE GOVERNMENT pays them to say it. As has been evidenced over and over recently, government paid "scientists" are perfectly willing to break the law hiding their "science," and block dissenting views from being published, in order to keep their propaganda up front. That, in today's world, is called science by some. Fortunately many are now speaking out about it and DEMANDING REAL SCIENCE.

At least the Globalwarmists are no longer hanging onto the "we will not discuss this because the 'science' is settled so we will should you down if you want to bring up science" line. Or are they?!?


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Engineer-Poet

Shorter Goracle: "You can never trust university or government scientists or peer-reviewed journals, but you can always trust industry-sponsored think tanks and PR firms!"

ai_vin

http://www.youtube.com/user/greenman3610#p/a/u/0/cp-iB6jwjUc

kelly

"Move cities, people and industries away from the areas close to the sea, if something needs to be done about climate change, and the sea might flood them."

Get a grip. This relocation disaster is a cost sustainability seeks to avoid.

HarveyD

Well said E-P. I would add lobbies and many right wing preachers.

The Goracle

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I truly appreciate the "I hate you" version of "science" espoused by the Globalwarmists on this board. Thank you for announcing that Global Warming® (since rebranded Climate Change®, since rebranded CO2 Pollution®), is about politics ("right wing") and emotions.

Science!!!

Praise be to Algore.

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Engineer-Poet

Shorter Goracle: "Science is for nerds! If you don't believe it, it won't happen! Because Al Gore was a politician and a Democrat, everything he says is wrong!"

The Goracle

E-P said; "Science is for nerds!"

I will gladly stack my "nerd" qualifications against yours any day. What field is your science PhD in? Is it an engineering PhD that you have earned?

Yes, Al Gore is one of the GREAT Globalwarmist "scientists." He has a undergrad degree in what, political science (there you go - "science" in the degree name so he MUST be a "scientist" - LOL!!!) and failed out of divinity school. Nothing but the best and the brightest as Globalwarmists. No wonder you all follow Al Gore so religiously!

Please keep posting E-P. Your posts are some of the best arguments that the "deniers" have! Thanks for that. Of course my favorite Globalwarmist post was the "Earth's changing climate is Bush's fault!" LOL!!!

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ai_vin

Al Gore has never claimed to be a scientist. Throughout his presentations all he's done is say 'the scientists say' or 'the scientists tell us.' Neither does Al gore rely on a single scientist's qualifications but instead he relies on the community as a whole.

ai_vin

I will gladly stack my "nerd" qualifications against yours any day.

I don't know what your qualifications are but just judging from the quality of your posts I'd have to say they were on a par with Dr Michael J. Behe.

Engineer-Poet

Michael Behe? You are too kind. He is on par with Kenneth Ham at best, but more likely Kent Hovind.

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