**Aerosol data problems with NASA GMAO GEOS-5**

[hossein lotfi]

Hi Jason
I am realy sorry,I have problem with this website too,
chek this website (
http://gdata1.sci.gsfc.nasa.gov/daac-bin/G3/gui.cgi?instance_id=MODIS_DAILY_L3)
I think it is useful for you
pleas tell me if it is useful
oh I have a question!! what is (bin 01) (bin 02).... in your first website
that we have problem with it?

On Wed, Jan 20, 2010 at 5:01 AM, Jason Snyder <jmssnyder at ucdavis.edu> wrote:

> I am still having problem with this website:
>
>
> http://portal.nccs.nasa.gov/cgi-lats4d/webform.cgi?&i=GEOS-5/yotc/0.25_deg/assim/inst3_3d_aer_Nv
> I am trying to download data and I need to set up the times so that the
> time steps are every 0 hours (ie January 3 2009 0:00Z, NOT January 3 2009
> 0:00Z, so I can use it with NCEP wind data also with time times ending on 0
> hours (ie January 3 2009 0:00Z).  I tried to make the start time for the
> data I ordered January 3 2009 0:00 Z(I used many start and end dates
> including March 14 2009, etc.).  I get a netcdf file but when I try to open
> it in GrADS I get the following message:
>
> ga-> sdfopen inst3_3d_aer_Nv-201001200048.nc
> Scanning self-describing file:  inst3_3d_aer_Nv-201001200048.nc
>  NetCDF: Index exceeds dimension bound
> SDF Error: nc_get_vara_double failed to read coordinate axis value
> gadsdf: Error reading first time value in SDF file.
> ga->
>
> How can I download aerosol data so that I can use it with NCEP data (
> http://www.esrl.noaa.gov/psd/data/gridded/data.ncep.reanalysis.html)?
>
> I tried downloading data from
>
>
> http://portal.nccs.nasa.gov/cgi-lats4d/webform.cgi?&i=GEOS-5/yotc/0.25_deg/assim/inst3_3d_aer_Nv
>
> using the original begin and end time values under time range (January 1
> 2009 3:00 Z)
>
> and I cannot use this data set with the NCEP data from website :
> http://www.esrl.noaa.gov/psd/data/gridded/data.ncep.reanalysis.html
>
> since this data has time steps ending with 0 hours Z instead od 3 hours Z
> from the aerosol data.  How do I resolve this or at least how where can I
> find aerosol/wind data that I can use together?
>
> Thanks,
>
> Jason
>   On Mon, Jan 18, 2010 at 5:35 PM, Jason Snyder <jmssnyder at ucdavis.edu>wrote:
>
>> I am trying to download a netcdf file with sulfate aerosol and bin 4 dust
>> mixing ratio data from the following website:
>>
>>
>> http://portal.nccs.nasa.gov/cgi-lats4d/webform.cgi?&i=GEOS-5/yotc/0.25_deg/assim/inst3_3d_aer_Nv
>>
>> I get this error message when I do this:
>>    The website cannot display the page  HTTP 500
>>     Most likely causes:
>>
>>    - The website is under maintenance.
>>    - The website has a programming error.
>>
>>     What you can try:       Refresh the page.       Go back to the
>> previous page.      [image: More information]<https://mail.google.com/a/ucdavis.edu/html/compose/static_files/blank_quirks.html#>
>>    The website cannot display the page  HTTP 500
>>     Most likely causes:
>>
>>    - The website is under maintenance.
>>    - The website has a programming error.
>>
>>     What you can try:       Refresh the page.       Go back to the
>> previous page.      [image: More information]<https://mail.google.com/a/ucdavis.edu/html/compose/static_files/blank_quirks.html#>
>> I have been trying this several times and still I keep getting this error
>> message.
>> For the tme steps on the data requested I need to have start on 0 hours
>> time wise to be compatible with other data sets.
>>
>> Can you help me get data from this website or if you have these data files
>> already to e-mail them to me?
>>
>> Thanks,
>>
>> Jason
>>
>
>
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