Originally posted by: sao123
yahoo is a very conflicting news source... it wasnt just about 2-3 months ago they published that we were heading into a mini ice age...
yahoo isn't exactly a place to get scientific news.
actually, no general news outlet, be it random internet sites or massive news corporations, are where you go to get science. Well, correction, you can, but it's either biased, simplified, or just a single opinion.
Scientific journals are where the good information is found.
Heading into a mini ice age is possible, but the fact is, technically we are IN an ice age right now. Permanent ice caps at the poles is not a "typical" thing for the Earth, but one thing fueling the ice caps now is the geology of the planet's surface, which has continents in places that there used to be no continents. Weather is constantly fluctuating because as the Earth's face changes, so too much the weather patterns, which have effects the general public does not readily expect or understand.
Our contribution to the atmosphere has an impact, how much is unknown, but in the end the atmosphere is currently causing climate change. Note, change. It will vary by region, as one region getting colder can fuel another region getting warmer. It's how weather patterns work. Only way to make the entire planet colder is to basically stop the weather patterns which deliver heat globally.
Making the entire planet hotter (on average) is done through atmospheric changes, greenhouse gasses specifically. But some regions, unexplainable to some individuals, will get colder even though regions further away from the equator (in comparison to a specific region) may be warmer.
There are a lot of variables that the impacts are just not understood thoroughly. It's the same reason why weather prediction is still not a 100% correct science. Climatology is a very very complicated and often unpredictable science because so many variables get plugged into the system that an individual variable's change can have a different impact every time if the slightest difference in other variables is also found.
Originally posted by: ed21x
Originally posted by: Blackjack200
Originally posted by: cheezy321
Originally posted by: GodlessAstronomer
Originally posted by: cheezy321
Why didnt they take data from the whole year? If you take data from the Northern Spring then wouldnt the ice already be in the melting process for the season? Then it would regain some of that ice back when the winter comes around?
/facepalm
Humor me then. Do you really think 73 days of data is enough to come to the conclusion that the entire ice cap will melt in ten years?
No, since they're scientists, and not idiots like most of the American population, they get a head start from the established science that the earth is warming, it is warming more quickly at the poles, and the ice caps are melting.
I would assume that this report is nothing but a refinement on the estimate of how long it will take for the artic to be
largely ice free in the summer.
it should be common sense that in order to project 10 years ahead, you should at least have data for more than one season in one selective area.
this isn't the first time research has been conducted...
they are building on all the past research and estimates and refining the prediction based on recent measurements.