Index of /data_ameriflux

% Information about the Niwot Ridge (Subalpine Forest) AmeriFlux site data:
%
% AmeriFlux site ID:  "US-NR1"        
% Fluxnet site ID:  "LTER NWT1"
%
%  Additional Site Information (compiled by AmeriFlux) is at:
%
%       https://ameriflux.lbl.gov/sites/siteinfo/US-NR1
%  
% ------------------------------------------------------------------------

The data directories are:

 data_30min/        % contains 30-min "climate", "flux" and "soil" data (ASCII format)
 data_supplemental/ % contins data which are not part of the standard AmeriFlux data files
 data_5min/         % contains 5-min avg and variance data (recent files, updated daily)
 data_archive/      % contains zip archives of past versions of the US-NR1 data 
 docs/              % documentation about the tower instrumentation and data processing

Note: Further details about the variables within the data files are in
the header at the top of each data file.

Additional US-NR1 data (5-min statistics), photos, videos, and the
site logbook is also archived on ESS-DIVE at:
  
              https://doi.org/10.15485/1671825

A web calendar with detailed information about the activities at the
site is available at:

              http://urquell.colorado.edu/calendar/

A photo gallery of people that have done research at the site is here:

      http://urquell.colorado.edu/photos/photos_niwot_people.html

========================================================================
** Anyone using the CU Subalpine Forest AmeriFlux data is strongly encouraged
** to contact us so you can be informed of any future updates or changes
** to these data.  To be added to the mailing list please send an
** e-mail to sean.burns@colorado.edu **
========================================================================

Any other questions or comments should be sent to:

Sean Burns (sean.burns@colorado.edu)

   or

Peter Blanken (blanken@colorado.edu)

------------------------
updates:  

  -------------------------------------------
  Wed Apr 12 12:13:53 MDT 2023

  * added a new version of subcanopy radiation data:

  -rw-r--r--.  1380274 Apr 12 11:46 niwot_USNR1_radiation_2018_ver.2023.04.12.csv
  -rw-r--r--.  4429598 Apr 12 11:46 niwot_USNR1_radiation_2019_ver.2023.04.12.csv
  -rw-r--r--.  4636303 Apr 12 11:47 niwot_USNR1_radiation_2020_ver.2023.04.12.csv
  -rw-r--r--.  2694953 Apr 12 11:47 niwot_USNR1_radiation_2021_ver.2023.04.12.csv
  -rw-r--r--.  4615133 Apr 12 11:47 niwot_USNR1_radiation_2022_ver.2023.04.12.csv

  to:

  https://urquell.colorado.edu/data_ameriflux/data_supplemental/

  Details can be found here:

  https://urquell.colorado.edu/data_ameriflux/data_supplemental/niwot_USNR1_radiation_readme.pdf

  -------------------------------------------
  Wed Feb 22 13:26:17 MST 2023

  * realized that the winds/ustar in ver *2022_ver.2023.02.10.dat had
    some issues...so, replaced those files with a new version:

   -rw-r--r--. 6440420 Feb 22 13:18  climate_2022_ver.2023.02.22.dat
   -rw-r--r--. 3022198 Feb 22 13:19  climate_flags_2022_ver.2023.02.22.dat
   -rw-r--r--. 3459451 Feb 22 13:19  flux_2022_ver.2023.02.22.dat
   -rw-r--r--. 2145345 Feb 22 13:20  flux_flags_2022_ver.2023.02.22.dat

  SpB (sean.burns@colorado.edu)
  
  -------------------------------------------
  Wed Feb 15 16:02:35 MST 2023

  * Added the soil data files for years 2020-2022:

  -rw-r--r--.   5626404 Feb 14 14:19 soil_2020_ver.2023.02.14.dat
  -rw-r--r--.   5606870 Feb 14 14:21 soil_2021_ver.2023.02.14.dat
  -rw-r--r--.   5607600 Feb 14 14:22 soil_2022_ver.2023.02.14.dat

  SpB (sean.burns@colorado.edu).

  -------------------------------------------
  Fri Feb 10 12:43:14 MST 2023

  * Released the 2022 30-min climate and flux data files (ver.2023.02.10).

  -rw-r--r--.  6440420 Feb 10 11:26 climate_2022_ver.2023.02.10.dat
  -rw-r--r--.  3022198 Feb 10 11:27 climate_flags_2022_ver.2023.02.10.dat
  -rw-r--r--.  3459451 Feb 10 11:27 flux_2022_ver.2023.02.10.dat
  -rw-r--r--.  2145345 Feb 10 11:28 flux_flags_2022_ver.2023.02.10.dat

  SpB (sean.burns@colorado.edu).

  -------------------------------------------
  Wed Feb  9 13:12:31 MST 2022

  * Released the 2021 30-min climate and flux data files (ver.2022.02.09).   

  -rw-r--r--   6439741 Feb  9 13:07 climate_2021_ver.2022.02.09.dat
  -rw-r--r--   3021526 Feb  9 13:08 climate_flags_2021_ver.2022.02.09.dat  
  -rw-r--r--   3458783 Feb  9 13:08 flux_2021_ver.2022.02.09.dat
  -rw-r--r--   2144673 Feb  9 13:09 flux_flags_2021_ver.2022.02.09.dat

  SpB (sean.burns@colorado.edu).

  -------------------------------------------
  Thu May 13 11:08:42 MDT 2021

  * Released the 2020 30-min climate and flux data files (ver.2021.05.13).   

  -rw-r--r--   6456895 May 13 10:56 climate_2020_ver.2021.05.13.dat
  -rw-r--r--   3029314 May 13 10:57 climate_flags_2020_ver.2021.05.13.dat
  -rw-r--r--   3467761 May 13 10:57 flux_2020_ver.2021.05.13.dat
  -rw-r--r--   2150061 May 13 10:58 flux_flags_2020_ver.2021.05.13.dat

  SpB (sean.burns@colorado.edu).

  -------------------------------------------
  Wed Mar 11 13:33:37 MDT 2020
 
  * removed the following two files from "data_30min":

    5586196 Mar 23  2012 /usr/local/apache/htdocs/data_ameriflux/data_30min/soil_2010_ver.2012.03.23.dat
    5586944 Mar 23  2012 /usr/local/apache/htdocs/data_ameriflux/data_30min/soil_2011_ver.2012.03.23.dat

  * added the following soil data files to "data_30min":

  -rw-r--r-- 1 sburns staff  5594453 Mar 11 13:19 soil_2010_ver.2020.03.11.dat
  -rw-r--r-- 1 sburns staff  5590000 Mar 11 13:20 soil_2011_ver.2020.03.11.dat
  -rw-r--r-- 1 sburns staff  5611341 Mar 11 13:20 soil_2012_ver.2020.03.11.dat
  -rw-r--r-- 1 sburns staff  5596091 Mar 11 13:21 soil_2013_ver.2020.03.11.dat
  -rw-r--r-- 1 sburns staff  5592063 Mar 11 13:21 soil_2014_ver.2020.03.11.dat
  -rw-r--r-- 1 sburns staff  5588711 Mar 11 13:22 soil_2015_ver.2020.03.11.dat
  -rw-r--r-- 1 sburns staff  5611421 Mar 11 13:22 soil_2016_ver.2020.03.11.dat
  -rw-r--r-- 1 sburns staff  5597545 Mar 11 13:23 soil_2017_ver.2020.03.11.dat
  -rw-r--r-- 1 sburns staff  5606215 Mar 11 13:27 soil_2018_ver.2020.03.11.dat
  -rw-r--r-- 1 sburns staff  5603396 Mar 11 13:27 soil_2019_ver.2020.03.11.dat

  SpB (sean.burns@colorado.edu).

  -------------------------------------------
  Thu Mar  5 16:05:38 MST 2020

  * Released the 2019 30-min climate and flux data files (ver.2020.03.05).   

  -rw-r--r--   6438403 Mar  5 15:51 climate_2019_ver.2020.03.05.dat
  -rw-r--r--   3020182 Mar  5 15:52 climate_flags_2019_ver.2020.03.05.dat
  -rw-r--r--   3457429 Mar  5 15:52 flux_2019_ver.2020.03.05.dat
  -rw-r--r--   2143329 Mar  5 15:53 flux_flags_2019_ver.2020.03.05.dat

  SpB (sean.burns@colorado.edu).

  -------------------------------------------
  Tue Jan 15 10:50:35 MST 2019

  * Released the 2018 30-min climate and flux data files (ver.2019.01.15).   

  -rw-r--r--   6437981 Jan 15 10:47 climate_2018_ver.2019.01.15.dat
  -rw-r--r--   3019762 Jan 15 10:48 climate_flags_2018_ver.2019.01.15.dat
  -rw-r--r--   3457016 Jan 15 10:48 flux_2018_ver.2019.01.15.dat
  -rw-r--r--   2142909 Jan 15 10:49 flux_flags_2018_ver.2019.01.15.dat

  * Created a new subdirectory called "data_supplemental" which contains
  data sets that are not part of the standard AmeriFlux data files.

  SpB (sean.burns@colorado.edu).

  -------------------------------------------
  Wed Nov 28 12:13:38 MST 2018

  * Released the 2015, 2016, and 2017 30-min climate and flux data files (ver.2018.11.28)

  * Changes in ver.2018.11.28: Added additional variables to the flux
    data files (Strg_soil and w_co2_21m) and broke up the soil
    temperature and moisture into two distinct periods (prior to 2006
    and after 2006) due to sensor changes.

  * for other details about ver.2018.11.28, please see the data file header.

  * created a new directory, "data_archive" which contains past versions of the US-NR1
    data.  The versions are saved as zip archive files, and those currently saved where
    the ver follows the YYMMDD format (i.e., ver030101 are the files from 1 Jan 2003):

    -rw-r--r--   6693242 Nov 28 11:59 ameriflux_USNR1_archive_ver030101.zip
    -rw-r--r--  19727020 Nov 28 12:01 ameriflux_USNR1_archive_ver080311.zip
    -rw-r--r--  24316694 Nov 28 12:03 ameriflux_USNR1_archive_ver090811.zip
    -rw-r--r--  34273597 Nov 28 12:07 ameriflux_USNR1_archive_ver110420.zip
    -rw-r--r--  42100901 Nov 28 12:08 ameriflux_USNR1_archive_ver151110.zip

    These zip files can be found at:

    http://urquell.colorado.edu/data_ameriflux/data_archive/

  SpB (sean.burns@colorado.edu).

  -------------------------------------------
  Tue Nov 10 11:56:09 MST 2015

  * Released the 2014 30-min climate and flux data files (ver.2015.11.10).   

  * Also, updated data from all other years.  Many corrections and and
    updates were made (see the header of any climate* or flux* data file
    for details).

  SpB (sean.burns@colorado.edu).

  -------------------------------------------
  Wed Jan 28 08:34:43 MST 2015

  * Bai Yang and co-workers noticed two issues with the ver.2014.12.02
    climate files---(1) the dD_picarro were duplicates of the d180_picarro
    data, and (2) the Rnet REBS data had some strange night-time values.

    Both these issues were fixed and a new version of the data was released,
    the files are:

   -rw-r--r-- 1 sburns aster  6074033 Jan 28 08:24 climate_2013_ver.2015.01.28.dat
   -rw-r--r-- 1 sburns aster  2743259 Jan 28 08:25 climate_flags_2013_ver.2015.01.28.dat
   -rw-r--r-- 1 sburns aster  2917681 Jan 28 08:25 flux_2013_ver.2015.01.28.dat
   -rw-r--r-- 1 sburns aster  1866398 Jan 28 08:26 flux_flags_2013_ver.2015.01.28.dat

    The ver.2014.12.02 files have been removed from the archive.  The flux files
    were not changed, but were recreated with a new version number for consistency.

   SpB (sean.burns@colorado.edu).

  -------------------------------------------
  Tue Dec  2 10:25:20 MST 2014

  * Released the 2013 30-min climate and flux data files (ver.2014.12.02).   

  -rw-r--r-- 1 sburns aster 6072850 Dec  2 10:12 climate_2013_ver.2014.12.02.dat
  -rw-r--r-- 1 sburns aster 2742074 Dec  2 10:12 climate_flags_2013_ver.2014.12.02.dat
  -rw-r--r-- 1 sburns aster 2916498 Dec  2 10:13 flux_2013_ver.2014.12.02.dat
  -rw-r--r-- 1 sburns aster 1865213 Dec  2 10:14 flux_flags_2013_ver.2014.12.02.dat

  SpB.

  -------------------------------------------
  Thu Feb 28 10:36:36 MST 2013

  * Released the 2012 30-min climate and flux data files (ver.2013.02.28).   

  -rw-r--r-- 1 sburns aster   5560093 Feb 28 10:23 climate_2012_ver.2013.02.28.dat
  -rw-r--r-- 1 sburns aster   2747664 Feb 28 10:23 climate_flags_2012_ver.2013.02.28.dat
  -rw-r--r-- 1 sburns aster   2922572 Feb 28 10:24 flux_2012_ver.2013.02.28.dat
  -rw-r--r-- 1 sburns aster   1868405 Feb 28 10:24 flux_flags_2012_ver.2013.02.28.dat

  SpB.

  -------------------------------------------
  * Fri Mar 23 15:28:45 MDT 2012

    - uploaded soil data files from 2010 and 2011, files are:

    -rw-rw-r-- 1 sburns aster 5586196 Mar 23 15:26 soil_2010_ver.2012.03.23.dat
    -rw-rw-r-- 1 sburns aster 5586944 Mar 23 15:27 soil_2011_ver.2012.03.23.dat

   SpB.

  -------------------------------------------
  Mon Mar 12 15:49:18 MDT 2012

  * Released the 2011 30-min climate and flux data files (ver.2012.03.12).  

  -rw-r--r-- 1 sburns aster  5544780 Mar 12 15:40 climate_2011_ver.2012.03.12.dat
  -rw-r--r-- 1 sburns aster  2740020 Mar 12 15:40 climate_flags_2011_ver.2012.03.12.dat
  -rw-r--r-- 1 sburns aster  2914452 Mar 12 15:41 flux_2011_ver.2012.03.12.dat
  -rw-r--r-- 1 sburns aster  1863158 Mar 12 15:41 flux_flags_2011_ver.2012.03.12.dat

  SpB.

  -------------------------------------------
  Wed May 25 15:14:26 MDT 2011

  * sent an email on how to fix the NEE flag for the 4/20/2011
    data release.  Details are at:

    http://urquell.colorado.edu/data_ameriflux/docs/email_fix_to_nee_flag_for_ver2011.04.20.txt


  -------------------------------------------
  Wed Apr 20 17:28:18 MDT 2011

  * Released the ver.2011.04.20 climate* and flux* data files.  This
    is a MAJOR upgrade to all the data files (1998-2010).  It also 
    includes the initial release of the 2009 and 2010 data files.
    (see the header of any of these data files for a full list of
    changes, updates, etc)....
  SpB.

  -------------------------------------------
  Fri Oct 15 14:18:50 MDT 2010 (SpB)

  * Added "soil" data files for 2009 and part of 2010.  The
    new data files are:

    -rw-r--r-- 1 sburns 5591008 Oct 15 14:15 data_30min/soil_2009_ver.2010.10.15.dat  
    -rw-r--r-- 1 sburns 3717563 Oct 15 14:16 data_30min/soil_2010_ver.2010.10.15.dat

  -------------------------------------------
  Tue Jun  8 14:09:20 MDT 2010

  * Updated the sensible heat flux for Nov/Dec 2008 (re-created all
    files for 2008 using the new data-file naming scheme).  Note, the
    climate data file did not change, only Qh for Nov/Dec changed.
  * The new data files are:
     -rw-r--r--  1 sburns  5560180 Jun  8 14:03 climate_2008_ver.2010.06.08.dat
     -rw-r--r--  1 sburns  2835675 Jun  8 14:03 climate_flags_2008_ver.2010.06.08.dat
     -rw-r--r--  1 sburns  2922655 Jun  8 14:04 flux_2008_ver.2010.06.08.dat
     -rw-r--r--  1 sburns  1868474 Jun  8 14:04 flux_flags_2008_ver.2010.06.08.dat
  SpB.

  -------------------------------------------
  Tue Aug 11 03:15:21 MDT 2009
  * Updated climate/flux data for 1998-2007 to version 3.0 (see header in
    data files for details)
  * added 2008 climate/flux data (version 1.0)
  SpB.

  -------------------------------------------
  Thu Jul  9 17:21:16 MDT 2009
  * Updated soil data for 2005-2007 to version 2.0 (see header for details)
  * Added 2008 soil data, version 1.0
  * The new files are:
       -rw-r--r--   1 sburns    6628864 Jul  9 11:31 data_30min/soil_2005.dat
       -rw-r--r--   1 sburns    4359018 Jul  9 11:33 data_30min/soil_2006.dat
       -rw-r--r--   1 sburns    4180299 Jul  9 11:35 data_30min/soil_2007.dat
       -rw-r--r--   1 sburns    7546749 Jul  9 17:12 data_30min/soil_2008.dat
  SpB.

  -------------------------------------------
  Fri Jun  5 15:35:34 MDT 2009
  Added 2008 5-min "covar" data (ver 1.0)
  In order to conserve disk space, moved the 5-min data
  off-line; added a README file for obtaining 5-min data.
  SpB.  

  -------------------------------------------
  Fri Apr 18 14:56:58 MDT 2008
  Bai Yang noticed another typo in the header of the soil data files.
  Corrected the header (created ver1.2).  See soil data files header for details.
  SpB.

  -------------------------------------------
  Tue Mar 11 15:39:31 MDT 2008
  * Added 2006/2007 30-min climate and flux data files.  
  * Updated data files from all years (1998-2005) with new time stamp.  
  * Updated soil temperatures in 2003/2004 climate data.  
  * Added "biological" data and new "Readme1st.pdf" file to the "docs" directory.
  SpB.

  Thu Mar  6 09:41:11 MST 2008
  Bai Yang noticed a typo in the header of the soil data files.
  Corrected the header (created ver1.1).  See header for details.
  SpB.

  Thu Jan 31 19:16:42 MST 2008
  Added the 2005/2006 5-min data (ver 1.0)
  Added "ReadME_notes_2006.txt" and "ReadME_notes_2007.txt"
  SpB.

  Mon Jan 28 11:14:22 MST 2008
    *  removed the monthly data files.  Now there are
       only two data directories:  "data_5min" and "data_30min".
    *  added 2005-2007 soil data files to "data_30min" (ver 1.0)
  SpB.

  Sat Apr 29 14:36:00 MDT 2006
  Added 2005 30-min data (ver 1.0).
  SpB.

  Mon Mar 20 15:45:42 MST 2006
  Added 2003 5-min "covar" data (ver 1.0)
  Updated 2004 5-min "covar" data (ver 2.0, but changes are minor)
  SpB.

  Thu Mar  9 12:57:54 MST 2006
  Added 2005 5-min "covar" data (ver 1.0)
  SpB.  

  Tue Nov 29 13:09:37 MST 2005
  Changed directory names from:
  data_monthly  -->  data_30min_monthlyfiles
  data_yearly   -->  data_30min_yearlyfiles

  Wed May  4 12:29:34 MDT 2005
  Added 2004 30-min data files
  SpB.  

  Tue Mar  8 16:00:48 MST 2005   
  Added data_5min directory info
  SpB.