Article View: sci.space
Article #8032Re: NASA news - Seasat
From: Jim Meritt
Date: Fri, 01 Jul 1988 00:31
Date: Fri, 01 Jul 1988 00:31
31 lines
1858 bytes
1858 bytes
In article <1313@daisy.UUCP> wooding@daisy.UUCP (Mike Wooding) writes:
}In article <13979@shemp.CS.UCLA.EDU>, khayo@sonia.math.ucla.edu (Eric Behr) writes:
}< Downloaded from NASA SpaceLink BBS, Huntsville, Ala. (205) 895 0028
}< a radar altimeter to
}< measure the height of the ocean surface and waves;
}
} How does the radar altimeter decouple its "height" above ocean
} surface from the "height" of the ocean's surface? What scales
} are involved (+-10 meters)? A reference point?
There is an altimeter on the geosat that is a follow-up to the seasat
one. I do the real-time processing of the data - you not only get
"height above ocean", but significant wave height, winds, and a measure
of roughness off the altimeter. (probably more, but that is all I lift).
This can be used to get current "edges", fronts, eddy locations, and all
kinds of neat stuff. I asked about satellite oceanography earlier, but
didn't hear about anyone else using altimeter data for oceanography.
Anyone else?
(geosat is run from here at APL, the only ground station)
oh yes - changes in ocean height varies greatly with where on the ocean
you get 'em. Biggest off japan.....
Disclaimer: Individuals have opinions, organizations have policy.
Therefore, these opinions are mine and not any organizations!
Q.E.D.
jwm@aplvax.jhuapl.edu 128.244.65.5 (James W. Meritt)
Technical Details
Message-ID:
<1003@aplcomm.UUCP>Path:
arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!lll-lcc!ames!umd5!mimsy!aplcen!aplcomm!stdc.jhuapl.edu!jwmReferences:
<13979@shemp.CS.UCLA.EDU> <1313@daisy.UUCP>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!lll-lcc!ames!umd5!mimsy!aplcen!aplcomm!stdc.jhuapl.edu!jwm From: jwm@stdc.jhuapl.edu (Jim Meritt) Newsgroups: sci.space,sci.space.shuttle Subject: Re: NASA news - Seasat Message-ID: <1003@aplcomm.UUCP> Date: 1 Jul 88 00:31:39 GMT References: <13979@shemp.CS.UCLA.EDU> <1313@daisy.UUCP> Sender: news@aplcomm.UUCP Reply-To: jwm@aplvax.UUCP (Jim Meritt) Organization: JHU-Applied Physics Laboratory Lines: 30