
NEX, which stands for NASA Earth Exchange, provides scientists around the globe with the kind of computer power they need to quickly draw up models and gather snapshots of land use patterns, weather systems and other ecological factors that the agency hopes will increase the global output of useful, reliable climate data.
For example, using NEX, NASA scientists were able to cobble together half-trillion-pixel snapshots of global vegetation change over the past 30 years in just 10 hours. That sort of data crunching would’ve have taken months longer without NEX’s capacity for data storage and processing, not to mention access to NASA’s library of Landsat images.
But perhaps more importantly, NEX will bring together researchers from across disciplines and across the globe, perhaps helping to circumvent some of the academic politicking that has stymied some earlier efforts at pulling together a comprehensive global climate study. Further, projects carried out on NEX will be available to all users, meaning not only that data sets are reusable for future projects, but data processing and analysis will all be captured, step by step, by NEX. Anyone audacious enough to try to skew the numbers will have some explaining to do.
Pleiades, the supercomputer that runs NEX, has a 1.4-petabyte capacity and will reside at the NASA Advanced Supercomputing HQ at the agency’s Ames Research campus in California.
[PhysOrg]



















Rossco
Friday, April 23, 2010 at 10:09 AMI all for further research and trying to understand the processes that drive this planet better, but creating models of a chaotic system with hundreds of unknowns and based on incomplete knowledge for the purposes of prediction/forecasting sounds to me (an engineer) like a complete waste of time, money and energy. Like they say, “Garbage in, garbage out”.
matt
Friday, April 23, 2010 at 10:13 AMand the first breakthrough using the machine in the fight against green house gasses was to turn the multi-Megawatt chewing machine off! :D
Lincoln squirrel
Friday, April 23, 2010 at 11:14 AM…and don’t forget the air conditioners. It would take an insane amount of power to cool that data centre. Turning them off too wouldn’t hurt.
Sanjeev
Saturday, April 24, 2010 at 5:29 PM……..but can it play crysis?