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<p class="MsoNormal">Antoine – <o:p></o:p></p>
<p class="MsoNormal">I tried one of your modified URLs and it worked for me. What version of wget are you using? We recommend 1.18 or later.
<o:p></o:p></p>
<p class="MsoNormal">--Jennifer<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt">-- <span style="color:black"><br>
Jennifer Miletta Adams<br>
ADNET Systems, Inc.<br>
NASA/GSFC, Code 610.2</span><o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;color:black">Building 32, Room S159<br>
(301) 614-6070<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">gradsusr <gradsusr-bounces@gradsusr.org> on behalf of Antoine Molin <amolin@plenr.fr><br>
<b>Reply-To: </b>GrADS Users Forum <gradsusr@gradsusr.org><br>
<b>Date: </b>Thursday, March 26, 2020 at 12:12 PM<br>
<b>To: </b>'GrADS Users Forum' <gradsusr@gradsusr.org><br>
<b>Subject: </b>Re: [gradsusr] [EXTERNAL] New subsetting of Merra-2 data<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<p class="MsoNormal"><span style="color:#1F497D">Hi Jennifer,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Ok, i changed also ..F01%.. in ..F02%.. but still an error, see enclosed file… not easy !</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Best regards.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="color:#1F497D">Antoine Molin</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Etudes de vent PlenR</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Tel : 09 67 06 77 23</span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<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">De :</span></b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif"> gradsusr [mailto:gradsusr-bounces@gradsusr.org]
<b>De la part de</b> Adams, Jennifer M. (GSFC-610.2)[ADNET SYSTEMS INC]<br>
<b>Envoyé :</b> jeudi 26 mars 2020 15:55<br>
<b>À :</b> GrADS Users Forum<br>
<b>Objet :</b> Re: [gradsusr] [EXTERNAL] New subsetting of Merra-2 data</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Hi, Antoine – <o:p></o:p></p>
<p class="MsoNormal">Oops, my mistake -- there are several places in the URL where you need to change the date:
<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">https://goldsmr4.gesdisc.eosdis.nasa.gov/daac-bin/OTF/HTTP_services.cgi?FILENAME=%2Fdata%2FMERRA2%2FM2T1NXSLV.5.12.4%2F2020%2F<b><span style="font-size:12.0pt;color:red">01</span></b>%2FMERRA2_400.tavg1_2d_slv_Nx.2020<b><span style="font-size:12.0pt;color:red">01</span></b>01.nc4&FORMAT=bmM0Lw&BBOX=42.2%2C-5.5%2C51.2%2C8.2&TIME=2020-<b><span style="font-size:12.0pt;color:red">01</span></b>-01T00%3A30%3A00%2F2020-<b><span style="font-size:12.0pt;color:red">01</span></b>-01T23%3A30%3A59&LABEL=MERRA2_400.tavg1_2d_slv_Nx.2020<b><span style="font-size:12.0pt;color:red">01</span></b>01.SUB.nc&SHORTNAME=M2T1NXSLV&SERVICE=SUBSET_MERRA2&VERSION=1.02&DATASET_VERSION=5.12.4&VARIABLES=SLP%2CT10M%2CU50M%2CV50M<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">https://goldsmr4.gesdisc.eosdis.nasa.gov/daac-bin/OTF/HTTP_services.cgi?FILENAME=%2Fdata%2FMERRA2%2FM2T1NXSLV.5.12.4%2F2020%2F<b><span style="font-size:12.0pt;color:#00B050">02</span></b>%2FMERRA2_400.tavg1_2d_slv_Nx.2020<b><span style="font-size:12.0pt;color:#00B050">02</span></b>01.nc4&FORMAT=bmM0Lw&BBOX=42.2%2C-5.5%2C51.2%2C8.2&TIME=2020-<b><span style="font-size:12.0pt;color:#00B050">02</span></b>-01T00%3A30%3A00%2F2020-<b><span style="font-size:12.0pt;color:#00B050">02</span></b>-01T23%3A30%3A59&LABEL=MERRA2_400.tavg1_2d_slv_Nx.2020<b><span style="font-size:12.0pt;color:#00B050">02</span></b>01.SUB.nc&SHORTNAME=M2T1NXSLV&SERVICE=SUBSET_MERRA2&VERSION=1.02&DATASET_VERSION=5.12.4&VARIABLES=SLP%2CT10M%2CU50M%2CV50M<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt">-- <span style="color:black"><br>
Jennifer Miletta Adams<br>
ADNET Systems, Inc.<br>
NASA/GSFC, Code 610.2</span></span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;color:black">Building 32, Room S159<br>
(301) 614-6070</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">gradsusr <gradsusr-bounces@gradsusr.org> on behalf of Antoine Molin <amolin@plenr.fr><br>
<b>Reply-To: </b>GrADS Users Forum <gradsusr@gradsusr.org><br>
<b>Date: </b>Thursday, March 26, 2020 at 10:23 AM<br>
<b>To: </b>'GrADS Users Forum' <gradsusr@gradsusr.org><br>
<b>Subject: </b>Re: [gradsusr] [EXTERNAL] New subsetting of Merra-2 data</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<p class="MsoNormal"><span style="color:#1F497D">Hi Jennifer,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Good idea, but i got the same error with wget, using the changed january to february enclosed file.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Wget problem.. ?</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="color:#1F497D">Antoine Molin</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Etudes de vent PlenR</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Tel : 09 67 06 77 23</span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></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">De :</span></b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif"> gradsusr [mailto:gradsusr-bounces@gradsusr.org]
<b>De la part de</b> Adams, Jennifer M. (GSFC-610.2)[ADNET SYSTEMS INC]<br>
<b>Envoyé :</b> jeudi 26 mars 2020 14:25<br>
<b>À :</b> GrADS Users Forum<br>
<b>Objet :</b> Re: [gradsusr] [EXTERNAL] New subsetting of Merra-2 data</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Hi, Antoine --<o:p></o:p></p>
<p class="MsoNormal">I have opened a new ticket with our Help Desk to resolve your issue. I will find out what changed so that your requests are going to opendap (again). I have also asked about the failure of your wget command. One thing you could try in the
meanwhile is to edit the file from January (the one with the HTTP_services URLs) and just change the dates (202001
<span style="font-family:Wingdings">à</span> 202002) so you get the February data instead.
<o:p></o:p></p>
<p class="MsoNormal">–Jennifer<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">-- <span style="color:black"><br>
Jennifer Miletta Adams<br>
ADNET Systems, Inc.<br>
NASA/GSFC, Code 610.2</span></span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;color:black">Building 32, Room S159<br>
(301) 614-6070</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">gradsusr <gradsusr-bounces@gradsusr.org> on behalf of Antoine Molin <amolin@plenr.fr><br>
<b>Reply-To: </b>GrADS Users Forum <gradsusr@gradsusr.org><br>
<b>Date: </b>Thursday, March 26, 2020 at 7:47 AM<br>
<b>To: </b>'GrADS Users Forum' <gradsusr@gradsusr.org><br>
<b>Cc: </b>"jjvinat@plenr.fr" <jjvinat@plenr.fr><br>
<b>Subject: </b>Re: [gradsusr] [EXTERNAL] New subsetting of Merra-2 data</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<p class="MsoNormal"><span style="color:#1F497D">Hi Jennifer,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Well, your method (last email below) doesn’t work anymore, and it seems that the Nasa changed again its site…</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Using this method, i got for the february data the enclosed file « subset_M2T1NXSLV_5.12.4_20200326_101407.txt », different from the file i had for the january data (see subset_jan2020.txt) ; and i can’t get
the data with wget anymore (see « Merra-2_wget-error.docx »).</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">The same with the enclosed file « subset_M2T1NXSLV_5.12.4_20200326_110522.txt » , where i didn’t check the « Use selected region to crop files » in « Refine region ».</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Do you see what could be done ?</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks a lot, and best regards.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="color:#1F497D">Antoine Molin</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Etudes de vent PlenR</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Tel : 09 67 06 77 23</span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<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">De :</span></b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif"> gradsusr [mailto:gradsusr-bounces@gradsusr.org]
<b>De la part de</b> Adams, Jennifer M. (GSFC-610.2)[ADNET SYSTEMS INC]<br>
<b>Envoyé :</b> mardi 21 janvier 2020 20:17<br>
<b>À :</b> GrADS Users Forum<br>
<b>Cc :</b> gsfc-help-disc@lists.nasa.gov<br>
<b>Objet :</b> Re: [gradsusr] [EXTERNAL] New subsetting of Merra-2 data</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Hi, Antoine – <o:p></o:p></p>
<p class="MsoNormal">The GES DISC help desk has opened a ticket to help you resolve the issue your having using wget to download a list of URLs.
<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">The problem of the new *.nc4.nc4 files being sufficiently different from the old *.SUB.nc files so that templating breaks … that is a different problem. I have an idea that may fix it, but it will require you to get a new list of URLs for
the more recent MERRA-2 data subsets.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">From the MERRA-2 dataset landing page, <a href="https://disc.gsfc.nasa.gov/datasets/M2T1NXSLV_5.12.4/summary?keywords=M2T1NXSLV.5.12.4">
https://disc.gsfc.nasa.gov/datasets/M2T1NXSLV_5.12.4/summary?keywords=M2T1NXSLV.5.12.4</a>, click on the “Subset / Get Data” link at the bottom of the Data Access options in the box on the right hand side of the page. That will pop open a dialog box for you
to enter the constraints of your subset. Use the “Refine Date Range” accordion to specify the desired date range. Use the “Spatial Subset” and “Variables” accordions to choose your lat/lon domain and variable list. Then open the “Time of Day” accordion and
select all 24 hours, from 00:30 through 23:30. Leave the “Grid” accordion with the default value of ‘None’, and change the “File Format” to ‘netCDF’.
<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">The URLs that you get when you click on the green “Get Data” button should have “servername/daac-bin/OTF/HTTP_services” in the URL instead of “servername/opendap/”. Adding the Time of Day constraint to your subset and selecting all times
so you get every time step is what redirects your request away from opendap to HTTP_services and should give you files that (a) have the familiar *SUB.nc naming convention, and (b) a structure that is compatible with the older subsets you have already downloaded
so that templating will work properly. <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Your URLs look something like this: <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">https://goldsmr4.gesdisc.eosdis.nasa.gov/daac-bin/OTF/HTTP_services.cgi?FILENAME=%2Fdata%2FMERRA2%2FM2T1NXSLV.5.12.4%2F2019%2F12%2FMERRA2_400.tavg1_2d_slv_Nx.20191231.nc4&FORMAT=bmM0Lw&BBOX=42.2%2C-5.5%2C51.2%2C8.2&TIME=2019-12-31T00%3A30%3A00%2F2019-12-31T23%3A30%3A59&LABEL=MERRA2_400.tavg1_2d_slv_Nx.20191231.SUB.nc&SHORTNAME=M2T1NXSLV&SERVICE=SUBSET_MERRA2&VERSION=1.02&DATASET_VERSION=5.12.4&VARIABLES=SLP%2CT10M%2CU50M%2CV50M<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">…instead of this: <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">https://goldsmr4.gesdisc.eosdis.nasa.gov/opendap/MERRA2/M2T1NXSLV.5.12.4/2019/12/MERRA2_400.tavg1_2d_slv_Nx.20191231.nc4.nc4?SLP[0:23][264:282][279:301],T10M[0:23][264:282][279:301],U50M[0:23][264:282][279:301],V50M[0:23][264:282][279:301],time,lat[264:282],lon[279:301]<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I hope this explanation is clear and helps to resolve the incompatibility issues you’re having with the newer MERRA-2 subsets. Please let us know how it goes.
<o:p></o:p></p>
<p class="MsoNormal">--Jennifer<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt">-- <span style="color:black"><br>
Jennifer Miletta Adams<br>
ADNET Systems, Inc.<br>
NASA/GSFC, Code 610.2</span></span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;color:black">Building 32, Room S159<br>
(301) 614-6070</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">gradsusr <gradsusr-bounces@gradsusr.org> on behalf of Antoine Molin <amolin@plenr.fr><br>
<b>Reply-To: </b>GrADS Users Forum <gradsusr@gradsusr.org><br>
<b>Date: </b>Tuesday, January 21, 2020 at 11:02 AM<br>
<b>To: </b>"gradsusr@gradsusr.org" <gradsusr@gradsusr.org><br>
<b>Subject: </b>[EXTERNAL] [gradsusr] New subsetting of Merra-2 data</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Nasa changed the way to get subsets of Merra-2 data, and that is a problem for me….<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="mso-list:l0 level1 lfo3">First, i can’t succeed in getting one month of daily files with wget, under Windows, after downloading the links of these daily files…<o:p></o:p></li></ul>
<p class="MsoListParagraph"> <o:p></o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="mso-list:l3 level1 lfo6">Then, these new files are *.nc4.nc4 files ; i was used to *.SUB.nc4 files, and wanted to mix these 2 kinds of files ; but for a same subset, the file sizes are different !<o:p></o:p></li></ul>
<p class="MsoNormal"> i got same names (using rename *.nc4 *. « » and rename *.nc4 *.SUB.nc4), and can read these new files using xdfopen (warning about the cachesize, but it is working) ; but it is not possible to read mix files (using template
in .ctl) with xdfopen .<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Has anybody a solution ?<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Thanks !<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Antoine Molin<o:p></o:p></p>
<p class="MsoNormal">Etudes de vent PlenR<o:p></o:p></p>
<p class="MsoNormal">Tel : 09 67 06 77 23<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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