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Important Notices
>All RDA services will be going offline for extended maintenance starting early Monday morning, Aug 22 through Wednesday, Aug 24 (All times Mountain Daylight Time).
 We are currently experiencing a disk failure and no data are accessible from this web server, from /glade (for NCAR users), or from directories where data have been prepared for you at your request. Also, many of our dataset file lists are unavailable at this time. We are working to resolve the problem and apologize for any inconvenience.
ETOPO2, Global 2 Arc-minute Ocean Depth and Land Elevation from the US National Geophysical Data Center (NGDC)
For assistance, contact Zaihua Ji (303-497-1819).
Data Access