SI
SI
discoversearch

We've detected that you're using an ad content blocking browser plug-in or feature. Ads provide a critical source of revenue to the continued operation of Silicon Investor.  We ask that you disable ad blocking while on Silicon Investor in the best interests of our community.  If you are not using an ad blocker but are still receiving this message, make sure your browser's tracking protection is set to the 'standard' level.
Politics : Formerly About Advanced Micro Devices
 Public ReplyPrvt ReplyMark as Last ReadFilePrevious 10Next 10PreviousNext  
To: Bonefish who wrote (966447)9/22/2016 12:00:29 PM
From: combjelly  Read Replies (1) of 1575016
 
In the past 22k years? I don't know if you have noticed, but a lot of things have changed since then. So, while it might be fun to examine that whole time period, it isn't really relevant to today. For example, it has been some 10k years since the last pulse of iceberg swarms. That is important because that marks the collapse of an ice sheet and means a rapid rise in sea level. It is pretty immediate because the ice displaces its weight in water whether or not it has melted.

Which is why "since 1900" is a more relevant time period. Prior to that time, sea level had been fairly constant for an extended period of time. No iceberg swarm pulses or much of anything. But, for the first 80 or so years of the 20th century, sea level had risen about 17.5 centimeters. As it turns out, much of that was due to thermal expansion. Some was from melting, but we were not able to effectively measure that until the late 1970s. The rate was low, but accelerating.

Now we are facing the prospect of ice sheet collapse. That means iceberg swarms, if the past is any indication. And that almost certainly means a many meter rise in sea level. Measured over the span of years and decades and not many thousands of years.
Report TOU ViolationShare This Post
 Public ReplyPrvt ReplyMark as Last ReadFilePrevious 10Next 10PreviousNext  

HomeMailHotSubjectMarksPeopleMarksKeepersSettings
Terms Of UseContact UsCopyright/IP PolicyPrivacy PolicyAbout UsFAQAdvertise on SI
© 2025 Knight Sac Media.  Data provided by Twelve Data, Alpha Vantage, and CityFALCON News