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Re: Fill value problem in MODIS Processing... [message #54681 is a reply to message #54544]

Wed, 27 June 2007 10:22

James Kuyper
Messages: 425
Registered: March 2000

Senior Member

I should have mentioned this in my earlier message, but I didn't think
about it:

DirtyHarry wrote:
> I am gathering various MODIS products overpassed near Korean peninsula
> in 2003. the overpassing times of *.hdf files for this simulation are
> as follows.
...
> MOD04_L2.A2003004.0200.004.2003007020309.hdf
> MOD04_L2.A2003004.0205.004.2003007020344.hdf
> MOD04_L2.A2003004.0340.004.2003007023517.hdf

You must have used a large search region; the 03:40 file doesn't
really cover Korea, though it comes close: <http://
ladsweb.nascom.nasa.gov/browse_images/high.html?fileID=45787 585 >.

...
> As you can see, Terra overpassed near Korean peninsula sometimes
> once, sometimes twice, sometimes three times a day in 2003. In
> addition, ...

Korea is far enough north that there will occasionally be two
different orbits in which Terra MODIS day-mode data is available.
Therefore, if the break between 5-minute granules in each orbit
happens to occur while flying sufficiently near Korea, you could get
as many as four granules of data in one day.

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[Message index]

		Re: Fill value problem in MODIS Processing... By: kim20026 on Tue, 26 June 2007 19:47
		Re: Fill value problem in MODIS Processing... By: kim20026 on Tue, 26 June 2007 18:55
		Re: Fill value problem in MODIS Processing... By: MarioIncandenza on Tue, 26 June 2007 18:02
		Re: Fill value problem in MODIS Processing... By: David Fanning on Tue, 26 June 2007 13:24
		Re: Fill value problem in MODIS Processing... By: James Kuyper on Wed, 27 June 2007 10:22
		Re: Fill value problem in MODIS Processing... By: James Kuyper on Wed, 27 June 2007 08:35

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