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<div class=Section1>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Gandham<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Pete
is right. I’ve looked at the Level2 Modis aerosol products and while they
are higher resolution, each file changes its lat-long grid; plus, there is one
file for every five minutes.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>You
could use the LAADS web site <a
href="http://ladsweb.nascom.nasa.gov/data/search.html">http://ladsweb.nascom.nasa.gov/data/search.html</a>
to average the data for your study.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>On
the other hand, depending on the time frame of your study, you could read the
HDF files, write them out as station data, with the time change of five
minutes, use the <a href="http://www.iges.org/grads/gadoc/gadocindex.html">http://www.iges.org/grads/gadoc/gadocindex.html</a>
site example C/Fortran program to create your DAT file, create your ctl file
for the selected parameters, and run stnmap. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>That’s
a lot of computing and work on your part; however, you would end up with a data
file for GrADS.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Not
knowing your purpose or study requirements, I can only guess at this point what
you want to do.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>John
Huddleston, PhD<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Cooperative
Institute for Research in the Atmosphere<o:p></o:p></span></p>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> harikishan gandham
[mailto:harimet@gmail.com] <br>
<b>Sent:</b> Monday, August 30, 2010 10:25 AM<br>
<b>To:</b> Huddleston, John<br>
<b>Subject:</b> hi<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>thanks mr . huddleston<br>
<br>
actually i want to display the modis level 2 data in grads because it is higher
resolution than modis level-3. so i am trying to do that. thanks about reply .
is there any suggestions please forward to me<br clear=all>
<br>
-- <br>
G.Harikishan<br>
Junior Research fellow<br>
PMA Division<br>
IITM<br>
PUNE<br>
<br>
<o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
gradsusr-bounces@gradsusr.org [mailto:gradsusr-bounces@gradsusr.org] <b>On
Behalf Of </b>Colarco, Peter R. (GSFC-6133)<br>
<b>Sent:</b> Monday, August 30, 2010 7:33 AM<br>
<b>To:</b> GrADS Users Forum<br>
<b>Subject:</b> Re: [gradsusr] modis level 2<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>MODIS Level 2 aerosol products are not on a regular grid, so
grads is maybe not the right tool. Another source for visualizing MODIS
data is:<o:p></o:p></p>
<div>
<p class=MsoNormal><a
href="http://gdata1.sci.gsfc.nasa.gov/daac-bin/G3/gui.cgi?instance_id=MODIS_DAILY_L3">http://gdata1.sci.gsfc.nasa.gov/daac-bin/G3/gui.cgi?instance_id=MODIS_DAILY_L3</a><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><a
href="http://gdata1.sci.gsfc.nasa.gov/daac-bin/G3/gui.cgi?instance_id=MODIS_MONTHLY_L3">http://gdata1.sci.gsfc.nasa.gov/daac-bin/G3/gui.cgi?instance_id=MODIS_MONTHLY_L3</a><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>Pete<o:p></o:p></p>
<div>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<div>
<p class=MsoNormal>On Aug 29, 2010, at 8:38 PM, Huddleston, John wrote:<o:p></o:p></p>
</div>
<p class=MsoNormal><br>
<br>
<o:p></o:p></p>
<div>
<div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>Gandham,<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>Two questions:<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>1) aqua or terra;<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>2) why level 2 and not level3<span
class=apple-converted-space> </span><a
href="ftp://acdisc.sci.gsfc.nasa.gov/data/s4pa/Aqua_AIRS_Level3/">ftp://acdisc.sci.gsfc.nasa.gov/data/s4pa/Aqua_AIRS_Level3/</a> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>John Huddleston, PhD<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>Cooperative Institute for Research in the Atmosphere<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>here is a level 3 example for aqua<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>dset MYD08_D3.A2006365.051.2009076233241.pscs_000500363256.hdf<br>
dtype hdfsds<br>
title Optical_Depth<br>
unpack scale_factor<span class=apple-converted-space> </span>add_offset<br>
undef -9999 _FillValue<br>
options yrev<br>
xdef 360 linear -179.5 1.0<br>
ydef 180 linear -89.5 1.0<br>
zdef 1 levels 1000.0<br>
tdef 1 linear 00:00Z31dec2006<span class=apple-converted-space> </span>1dy<br>
vars 18<br>
Optical_Depth_by_models_ocean_QA_Mean=>odmoqm<span
class=apple-converted-space> </span>1 7,y,x<span
class=apple-converted-space> </span>Optical_Depth_by_models_ocean_QA_Mean<br>
Optical_Depth_Ratio_Small_Land_And_Ocean_Mean=>odrslom<span
class=apple-converted-space> </span>1 y,x<span
class=apple-converted-space> </span>Optical_Depth_Ratio_Small_Land_And_Ocean_Mean<br>
Optical_Depth_Ratio_Small_Ocean_QA_Mean=>odrsoqm<span
class=apple-converted-space> </span>1 y,x<span
class=apple-converted-space> </span>Optical_Depth_Ratio_Small_Ocean_QA_Mean<br>
Optical_Depth_Ratio_Small_Land_Mean=>odrslm<span
class=apple-converted-space> </span>1 y,x<span
class=apple-converted-space> </span>Optical_Depth_Ratio_Small_Land_Mean<br>
Corrected_Optical_Depth_Land_QA_Mean=>codlqm1<span
class=apple-converted-space> </span>1 1,y,x<span
class=apple-converted-space> </span>Corrected_Optical_Depth_Land_QA_Mean<br>
Corrected_Optical_Depth_Land_QA_Mean=>codlqm2<span
class=apple-converted-space> </span>2 1,y,x<span
class=apple-converted-space> </span>Corrected_Optical_Depth_Land_QA_Mean<br>
Corrected_Optical_Depth_Land_QA_Mean=>codlqm3<span
class=apple-converted-space> </span>3 1,y,x<span
class=apple-converted-space> </span>Corrected_Optical_Depth_Land_QA_Mean<br>
Optical_Depth_Ratio_Small_Ocean_Mean=>odrsom<span
class=apple-converted-space> </span>1 y,x<span
class=apple-converted-space> </span>Optical_Depth_Ratio_Small_Ocean_Mean<br>
Optical_Depth_by_models_ocean_Mean=>odmom<span class=apple-converted-space> </span>1 7,y,x<span
class=apple-converted-space> </span>Optical_Depth_by_models_ocean_Mean<br>
Optical_Depth_Ratio_Small_Land_QA_Mean=>odrslqm<span
class=apple-converted-space> </span>1 y,x<span
class=apple-converted-space> </span>Optical_Depth_Ratio_Small_Land_QA_Mean<br>
Effective_Optical_Depth_Average_Ocean_Mean=>eodaom1<span
class=apple-converted-space> </span>1 1,y,x<span
class=apple-converted-space> </span>Effective_Optical_Depth_Average_Ocean_Mean<br>
Effective_Optical_Depth_Average_Ocean_Mean=>eodaom2<span
class=apple-converted-space> </span>1 2,y,x<span
class=apple-converted-space> </span>Effective_Optical_Depth_Average_Ocean_Mean<br>
Effective_Optical_Depth_Average_Ocean_Mean=>eodaom3<span
class=apple-converted-space> </span>1 3,y,x<span
class=apple-converted-space> </span>Effective_Optical_Depth_Average_Ocean_Mean<br>
Optical_Depth_Land_And_Ocean_Mean=>odlom<span class=apple-converted-space> </span>1 y,x<span
class=apple-converted-space> </span>Optical_Depth_Land_And_Ocean_Mean<br>
Corrected_Optical_Depth_Land_Mean=>codlm1<span class=apple-converted-space> </span>1 1,y,x<span
class=apple-converted-space> </span>Corrected_Optical_Depth_Land_Mean<br>
Corrected_Optical_Depth_Land_Mean=>codlm2<span class=apple-converted-space> </span>2 1,y,x<span
class=apple-converted-space> </span>Corrected_Optical_Depth_Land_Mean<br>
Corrected_Optical_Depth_Land_Mean=>codlm3<span class=apple-converted-space> </span>3 1,y,x<span
class=apple-converted-space> </span>Corrected_Optical_Depth_Land_Mean<br>
Effective_Optical_Depth_Average_Ocean_QA_Mean=>eodaoqm7<span
class=apple-converted-space> </span>7 1,y,x<span
class=apple-converted-space> </span>Effective_Optical_Depth_Average_Ocean_QA_Mean<br>
endvars<o:p></o:p></span></p>
</div>
<div id=divRpF144784>
<div class=MsoNormal align=center style='text-align:center'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>
<hr size=2 width="100%" align=center>
</span></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span
class=apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> </span></span><span style='font-size:10.0pt;font-family:
"Tahoma","sans-serif";color:black'><a
href="mailto:gradsusr-bounces@gradsusr.org">gradsusr-bounces@gradsusr.org</a><span
class=apple-converted-space> </span>[gradsusr-bounces@gradsusr.org] On
Behalf Of harikishan gandham [harimet@gmail.com]<br>
<b>Sent:</b><span class=apple-converted-space> </span>Sunday, August 22,
2010 3:52 AM<br>
<b>To:</b><span class=apple-converted-space> </span><a
href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a><br>
<b>Subject:</b><span class=apple-converted-space> </span>[gradsusr] modis
level 2<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>dear grads users,<o:p></o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'><o:p> </o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>i am trying to open Modis level -2 data in grads (aerosols). that
HDF file cannot opened in the grads. i request please any body solve this.
please give me gs script to open this.<o:p></o:p></span></p>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif";color:black'><br>
--<span class=apple-converted-space> </span><br>
G.Harikishan<br>
Junior Research fellow<br>
PMA Division<br>
IITM<br>
PUNE<br>
<br>
<o:p></o:p></span></p>
</div>
</div>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif";color:black'><o:p> </o:p></span></p>
</div>
</div>
<p class=MsoNormal><ATT00001..txt><o:p></o:p></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<div>
<div>
<div>
<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif"'>--------------------------------------------------------------------</span><span
style='font-size:9.0pt'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif"'>Peter
Colarco</span><span style='font-size:9.0pt'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif"'>NASA
GSFC</span><span style='font-size:9.0pt'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif"'>Code
613.3</span><span style='font-size:9.0pt'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif"'>NASA
Goddard Space Flight Center</span><span style='font-size:9.0pt'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif"'>Greenbelt,
MD 20771</span><span style='font-size:9.0pt'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif"'>301.614.6382
(ph)</span><span style='font-size:9.0pt'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif"'>301.614.5903
(fax)</span><span style='font-size:9.0pt'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif"'><o:p> </o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif"'><a
href="mailto:peter.r.colarco@nasa.gov">peter.r.colarco@nasa.gov</a></span><span
style='font-size:9.0pt'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif"'><a
href="http://hyperion.gsfc.nasa.gov/People/Colarco">http://hyperion.gsfc.nasa.gov/People/Colarco</a></span><span
style='font-size:9.0pt'><o:p></o:p></span></p>
</div>
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style='font-size:9.0pt'><o:p></o:p></span></p>
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