Posted by Deutz Lover on December 09, 2017 at 09:32:43 from (174.218.146.152):
In Reply to: Climate change posted by rrman61 on December 08, 2017 at 04:45:38:
I would like to point out just one general comment to demonstrate how to look at information objectively and not swallow everything wholesale.
There is a general comment that the polar ice caps are growing.
Let's look at the sources of these comments. Most of the quotes are from non-government sites and nonscientific sources and tell only part of the story.
Some more current information comes from a NASA site dated March 7, 2017. The scientists reporting the information are doing just that. They are reporting it regardless of the outcome. Access to all of this information is essential, but obtaining some it has become problematic this year.
Some sites generalize and say the ice caps are growing. This is incorrect. A columnist at Forbes for instance says ice caps are growing, but the article was written in May 19, 2015. The NASA report says that the Antarctic sea ice has been slowly expanding, but this year decreased dramatically for the first time since 1981.
The combined Arctic and Antarctic sea ice area shows shrinkage for the years 1981-2017.
Go to the NASA site and look at the graphs. There are other factors at work than just melting such as amount of moisture in the air and changes in the winds at each pole. Interpret the data yourself. Don't let me or anyone else do it.
Now look at the graph from NASA's GRACE satellites. It shows not area, but mass. It shows ice mass variations in Antarctica dating back to 2002 when the satellites were launched. From the graph you can see an ice mass loss for those years. There is also an ice mass graph for Greenland which covers those years. Observe these and make your own conclusions.
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