Journey Through Climate
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Journey Through Climate
By cairjersey on Mar 08, 2014 07:52 AM
A Journey Through Climate History EnvironmentAustralian Broadcasting Corporation
This timeline has been developed to show key events in the climatic history of the planet, alongside events in human history.
As our own existence is momentary in comparison with the Earth's, in this interactive the measure of time has been separated into epochs to help www.wholesalecheapbroncosjerseys.com navigate and differentiate the enormously lengthy periods between the formation of Earth, around 4.5 billion years ago, through to the present day.
When the timeline first loads, you will be dropped in at 2009, looking back in time. To move through an epoch, click and drag the time arrow. To move from one epoch to another, simply click on their titles.
As you rollover icons, a summary description of their content will appear; click the icons to explore their content further.
Icons represent data sets divided into categories and these are represented in the toolbar at the bottom of the road. Click on their representation to filter their visibility.
The events that appear throughout the timeline are intended to introduce you to the greater scope of research and context that exists outside this summary. Please follow the links that are provided in the short descriptions of events, for further information. Whilst the ABC cannot guarantee the accuracy of information external to the timeline, we have endeavoured to provide accurate and relevant links wherever possible.
There are over 180 entries in the timeline. Below are a handful of examples that appear throughout the epochs:
In 1958, Dave Keeling's work on the measurement of atmospheric CO2 levels produced one of the best known graphs of the climate change debate: the 'Keeling Curve'.
The 1991 eruption of Mount Pinatubo was the most violent eruption for 80 years and the millions of tonnes sulphur aerosols released cooled the Earth by 0.4 degrees C.
In 1796, Edward Jenner administers the first vaccination against Small Pox. Improvements in medicine (vaccines, sanitation, antibiotics) over the 18th, 19th and 20th centuries contributed to a decrease in the death rates in many parts of the world, which in turn contributed to an increase in human population size.
Karl Benz designed and built one of the first cars to run on an internal combustion engine. It went into production in 1888. By 1900, automobiles were being produced all around the world.
Holocene 1750 to Last 10,000 Years
5,400 years ago, cheap jerseys Cuneiform, the earliest writing system is established.
4,700 years ago, the Minoan culture formed in Crete, which is then devastated out 1,100 years later by the Thera Eruption, one of the largest volcanic events in recorded history.
Also, 800 cheap nfl jerseys years ago, Vikings inhabit Greenland, with settlements that endure seven centuries.
Deep Time 4.5 Billion Years Ago
During this epoch, the first organisms formed it is estimated they were primitive single celled creature that appeared about 3 billion years ago.
530 million years ago, the fossil record suddenly reveals an extraordinary rise in quantity and diversity of life forms, known as The Cambrian Explosion.