Showing posts with label atmosphere. Show all posts
Showing posts with label atmosphere. Show all posts

Bad Weather From Climate Change Becoming Accepted

It seems the first signs of general acceptance of extreme weather from climate change are forming. Some scientists are openly declaring that change in weather patterns will be permanent or worsen as climate change takes hold. This past year has been one of the wettest on record in eastern Australia. This is blamed on damage to the environment by human activity.

Change is regional with heavy rains in Europe, east Asia and Oceania. The US and Africa were very dry. Greenhouse gasses caused a warming of oceans. This put more moisture into the atmosphere to fall as rain in the large land masses of Europe, Asia and Oceania. A downpour occurred in New Zealand that was a once in 500 years event.

Just  why the US remains dry is a problem. It should have received more rain, but weather patterns tends to vary around the world due a balancing effect in humidity. Hurricane Sandy indicates the probable future damage from extreme weather due to climate change. Rising sea levels increases destruction. Such events affects people for the rest of their lives.
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Climate by Ty Buchanan
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There Is Soil on Mars

NASA scientists are now saying that "soil" on Mars could support vegetable life. Without an atmosphere, though, it seems no life is possible. Scientists are specific enough to say that asparagus and turnips will grow in Mars' soil but strawberries will not. Are they joking? Or are they for real?

The Phoenix Mars Lander found soil that is very much like that in many Earth backyards. Scientists are shocked that they have found soil. It is alkaline - thus, the claim that it is not good for strawberries. Apparently, the soil is rich in trace minerals.

My, how scientists can be wrong. It was thought that Mars "soil" would be salty - with no atmosphere and the sun would bleach it. But they were wrong. At least we know that there is soil and water in the form of ice just beneath the surface. There is evidence that in the past water flowed on the surface because erosion is evident. Rivers, lakes and oceans existed there once. Water reservoirs such as these indicate that the planet did once have an atmosphere.

If life did survive for a time on Mars future exploration will surely find it.
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Science