Dear Sreejith,<br><br>If your data are in netcdf format, you can try using <span class="il">cdo</span> to <span class="il">merge</span> your data<br><span class="il">cdo</span> -r mergetime <a href="http://input1.nc" target="_blank">input1.nc</a> <a href="http://input2.nc" target="_blank">input2.nc</a> ... <a href="http://input19.nc" target="_blank">input19.nc</a> <a href="http://output.nc" target="_blank">output.nc</a><br>

<br>Good luck,<br>Cheers,<br><br>Serge<br><br><br><div class="gmail_quote">On Sun, Jul 1, 2012 at 6:32 PM, Yaqiang Wang <span dir="ltr">&lt;<a href="mailto:yaqiang.wang@gmail.com" target="_blank">yaqiang.wang@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Maybe there are some other errors in your dataset when you merged it.<br>
You can try other NetCDF softwares such IDV to open your dataset. Or<br>
use xdfopen or open commands in Grads with control file<br>
(<a href="http://www.iges.org/grads/gadoc/gradcomdxdfopen.html" target="_blank">http://www.iges.org/grads/gadoc/gradcomdxdfopen.html</a>).<br>
<div class="HOEnZb"><div class="h5"><br>
On Sun, Jul 1, 2012 at 5:27 PM, sreejith k.s &lt;<a href="mailto:jithu9907@gmail.com">jithu9907@gmail.com</a>&gt; wrote:<br>
&gt; Thank you for your reply sir.<br>
&gt; I changed the unit of the time dimension TAXIS into days.<br>
&gt; Unfortunately still its showing the same error.<br>
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<br>
<br>
<br>
</div></div><div class="im HOEnZb">--<br>
*************************************************<br>
Dr. Yaqiang Wang<br>
Chinese Academy of Meteorological Sciences (CAMS)<br>
46, Zhong-Guan-Cun South Avenue<br>
Beijing, 100081<br>
China<br>
<br>
<a href="mailto:yaqiang.wang@gmail.com">yaqiang.wang@gmail.com</a><br>
<br>
<a href="http://www.meteothinker.com" target="_blank">http://www.meteothinker.com</a><br>
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</div><div class="HOEnZb"><div class="h5">_______________________________________________<br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br>Serge<br>