NASA can pinpoint glaciers that might flood coastal cities

» Top New Products

Private Pilot Warning

Learn  to  fly  easily  and  get  your  private  pilot  license  done  in  30  days  or  less.                                         

Persuasion Skills Black Book

Learn  powerful  Nlp  and  Hypnotic  Language  Patterns  for  Persuasion                                                                       

Keeping the Cat Spray at Bay

  Tried  It  All  To  Stop  The  Spraying?  This  Weird  Trick  From  A  Cat  Behaviorist  Might  Help.                         

Belly dancing course

The  entire  program  consists  of  over  50  videos  with  a  total  runtime  of  8  hours                                             

How To Get Pregnant Fast

Discover  a  proven  method  to  reverse  infertility  even  if  you  are  over  40,  in  under  60  days.                   

Increase Your Energy Levels Instantly

Through  a  simple  non-invasive  exercise  that  takes  only  3  minutes  a  day                                                           

Windows File Recovery

Discover  The  Simplist  Method  To  Recover  Any  Lost  Files    and    Stop  A  Major  Disaster  -  100%  Guaranteed

Protect Your e-Books and Videos

Protect  your  digital  contents  with  the  best  protection  software  on  the  market.                                           

Guaranteed Grant Funding

The  beginners  system  for  writing  funded  grant  proposals  are  you  getting  your  share.                                 

Best Software Removal Tool

  Completely  Clean  The  Empty  /  Corrupted  Registry  Entries                                                                                       

Gns3 software.

Study  material  for  students  appearing  for  ciso  ccna  ccnp  and  ccie  networking.                                             

Ejaculation guru

How  to  last  over  30  minutes  in  bed  naturally  or  your  money  back.                                                                       


It’s safe to say that melting glaciers and ice sheets are bad things: they raise ocean levels and risk flooding low-lying coastal areas. But which of these icy bodies do you have to worry about in your area? NASA might help. It recently developed a technique that can determine which glaciers and sheets pose a threat to a given area. It’s complex, but it could make a big difference for coastal cities that may need to react to global warming.

Gradient fingerprint mapping, as it’s called, uses advanced math to check the local variations in the ice thickness of all of the world’s ice drainage systems. When you map all these gradients, you can determine where the water will ultimately go. And it’s more complicated than you think — if a lot of ice melts, it can actually lower the sea level in certain areas because of the reduced gravitational pull.

The resulting predictions can be surprising in multiple ways. For one thing, proximity isn’t necessarily an indicator of which glaciers you have to worry about. New York City primarily has to fret about the glaciers in Greenland’s northeast (those furthest away), for example. As for that gravitational effect? The sea level around Oslo, Norway would actually fall if only the glaciers in the same Greenland area melted. Meanwhile, the breaking ice sheets in the western Antarctic would pose the greatest danger to Sydney.

It’s not exactly the most heartening discovery, but it could be important if there’s no way to dramatically slow or halt the melting process. Planners could use the data to understand whether or not they need sea walls and other measures to prevent flooding. Like it or not, that know-how may become crucial in the next few decades.

Via: Earther

Source: Science Advances

Engadget RSS Feed

Post Author: martin

Martin is an enthusiastic programmer, a webdeveloper and a young entrepreneur. He is intereted into computers for a long time. In the age of 10 he has programmed his first website and since then he has been working on web technologies until now. He is the Founder and Editor-in-Chief of and Online Magazines. His colleagues appreciate him as a passionate workhorse, a fan of new technologies, an eternal optimist and a dreamer, but especially the soul of the team for whom he can do anything in the world.

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.