Missing MCD43 data for tiles h19v01 and h18v01

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silviahuber
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Missing MCD43 data for tiles h19v01 and h18v01

by silviahuber » Tue Feb 27, 2024 5:30 am America/New_York

Hi,
We are downloading MODIS MCD43A2 and A4 v61 data from https://e4ftl01.cr.usgs.gov/MOTA/
Unfortunately, there are a lot of missing data for tiles h18v01 and tiles h19v01.
Can you please give a status on these, why are the data missing?
I am aware that the missing data are in Dec/January with northern winter there is no real information in these tiles, however, it is more for consistency as the data was available for MCD43 v60.

Missing files for h19v01 (similar for h18v01):
2001001
2001176
2001346
2001351
2001356
2001361
2002001
2002346
2002351
2002356
2002361
2003001
2003346
2003351
2003356
2003361
2004001
2004346
2004351
2004356
2004361
2004366
2005001
2005346
2005351
2005356
2005361
2006001
2006341
2006346
2006351
2006356
2006361
2007001
2007346
2007351
2007356
2007361
2008001
2008346
2008351
2008356
2008361
2008366
2009001
2009341
2009346
2009351
2009356
2009361
2010001
2010346
2010351
2010356
2010361
2011001
2011346
2011351
2011356
2011361
2012001
2012346
2012351
2012356
2012361
2012366
2013001
2013341
2013346
2013351
2013356
2013361
2014001
2014346
2014351
2014356
2014361
2015001
2015346
2015351
2015356
2015361
2016001
2016346
2016351
2016356
2016361
2016366
2017001
2017346
2017351
2017356
2017361
2018001
2018346
2018351
2018356
2018361
2019001
2019346
2019351
2019356
2019361
2020001
2020346
2020351
2020356
2020361
2020366
2021001
2021341
2021346
2021351
2021356
2021361
2022001
2022346
2022351
2022356
2022361
2023001
2023346
2023351
2023356
2023361

Kind regards, Silvia

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LP DAAC - dgolon
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Re: Missing MCD43 data for tiles h19v01 and h18v01

by LP DAAC - dgolon » Tue Feb 27, 2024 9:02 am America/New_York

hello @silviahuber Thanks for writing in and reporting those missing data. I'll talk to our SDLC team to check on their status and will report back.
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silviahuber
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Re: Missing MCD43 data for tiles h19v01 and h18v01

by silviahuber » Tue Feb 27, 2024 9:30 am America/New_York

Ok, thanks a lot. Note that similar dates are also missing for h18v01.

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Re: Missing MCD43 data for tiles h19v01 and h18v01

by LP DAAC - lien » Tue Mar 12, 2024 12:15 pm America/New_York

Hi Silvia,
First, we apologize for the version discrepancies. We did here back from the LDOPE folks at MODAPS who develop the production algorithms and process the data. They felt that it was due to more stringent sun angle criteria that was used with for V061 processing. They also verified that this is most MODIS products, not just the BRDF. The input L2G Reflectance data shows this also.
There is one outlier on your list and it is 2001176. That day was almost right in the middle of the longest MODIS Terra outage to date (June 17, 2001 to July 4, 2001). This date was before Aqua MODIS so there was no data to use.
Please let me know if you have any questions.
Thanks,
Brett

silviahuber
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Joined: Mon May 23, 2022 3:48 am America/New_York
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Re: Missing MCD43 data for tiles h19v01 and h18v01

by silviahuber » Tue Mar 12, 2024 12:29 pm America/New_York

Thanks a lot for the answer!
Kind regards
Silvia

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