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crutem [2025/02/06 15:28] – created admincrutem [2025/02/09 11:11] (current) – [a "blink" comparison of the above two images] admin
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 === The CRUTEM data === === The CRUTEM data ===
 +//from 2014?//
  
 This is a presentation of some curious results,  This is a presentation of some curious results, 
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-The contents from {{{CRUTEM.4.1.1.0.station_files.zip}}} were downloaded from [[http://www.metoffice.gov.uk/hadobs/crutem4/data/download.html | the UK met office]] and placed on  +The data within {{ :crutem4.tar |}} was downloaded from [[http://www.metoffice.gov.uk/hadobs/crutem4/data/download.html | the UK met office]] and placed on  
-the server for METR 1313 students. The {{{CRUTEM}}} data set contains monthly averages of surface air temperature measurements at 5696 sites over land. +the server for METR 1313 students. The CRUTEM data set contains monthly averages of surface air temperature measurements at 5696 sites over land. 
 This data can be combined with sea surface temperature data to produce a global, gridded dataset of surface air temperature, such as at This data can be combined with sea surface temperature data to produce a global, gridded dataset of surface air temperature, such as at
 [[http://www.metoffice.gov.uk/hadobs/hadcrut4/ | HadCRUT4]]. For the METR 1313 exercises, we did not grid the data.  We maintained the data [[http://www.metoffice.gov.uk/hadobs/hadcrut4/ | HadCRUT4]]. For the METR 1313 exercises, we did not grid the data.  We maintained the data
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 The data from each site is a contained in a file, with the file name being the site's numerical ID number. The data from each site is a contained in a file, with the file name being the site's numerical ID number.
-The data from these files were converted to one file that is very easy to use with Python,  +The data from these files were converted to one file that is very easy to use with Python.  
-{{{crutem41.pkl}}}.  The single pickle file loads easily, and has all the data and site information accessible by+The pickle files are available from {{ :crutem4.tar |}} .  The single pickle file loads easily, and has all the data and site information accessible by
 keys and indices of the familiar Python data structures.  keys and indices of the familiar Python data structures. 
  
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 A few more sites in CRUTEM 4.2.0 now offer continuous data for July.  Curiously, the data for  A few more sites in CRUTEM 4.2.0 now offer continuous data for July.  Curiously, the data for 
 the sites in CRUTEM 4.1.1 are changed, some of the them substantially.  Some sites that show cooling the sites in CRUTEM 4.1.1 are changed, some of the them substantially.  Some sites that show cooling
-in CRUTEM 4.1.1  now show warming, for example.+in CRUTEM 4.1.1  now show warming, for example.  Most of the following figures can be reproduced from {{ :rescue.tar |}}.
  
 === sites with 60 years of no missing data for July === === sites with 60 years of no missing data for July ===
  
-{{attachment:julyincrease41.png}}+{{:julyincrease41.png}}
  
-{{attachment:julyincrease42.png}}+{{:julyincrease42.png}}
  
 ==== a "blink" comparison of the above two images ==== ==== a "blink" comparison of the above two images ====
  
-{{attachment:julyincreaseanim.gif}}+{{:julyincreaseanim.gif}}
  
 === Restriction to the midwest of the USA === === Restriction to the midwest of the USA ===
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 and longitude, and we find 184 sites in CRUTEM 4.1.1 and 198 sites in CRUTEM 4.2.0. and longitude, and we find 184 sites in CRUTEM 4.1.1 and 198 sites in CRUTEM 4.2.0.
  
-{{attachment:subset41.png}}+{{:subset41.png}}
  
-{{attachment:subset42.png}}+{{:subset42.png}}
  
 ==== a "blink" comparison of the above two images ==== ==== a "blink" comparison of the above two images ====
  
-{{attachment:subsetanim.gif}}+{{:subsetanim.gif}}
  
 === Composite of the midwest sites === === Composite of the midwest sites ===
  
-{{attachment:composite41.png}}+{{:composite41.png}}
  
-{{attachment:composite42.png}}+{{:composite42.png}}
  
 ==== a "blink" comparison of the above two images ==== ==== a "blink" comparison of the above two images ====
  
-{{attachment:compositeanim.gif}}+{{:compositeanim.gif}}
  
 === Differences of the individual time series === === Differences of the individual time series ===
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 Presumably answers to the those questions are available somewhere.  Presumably answers to the those questions are available somewhere. 
  
-{{attachment:sitediffs.png}}+{{:sitediffs.png}}
  
 Note the the average 0.32 F increase in the common sites between the two CRUTEM data sets.  Note the the average 0.32 F increase in the common sites between the two CRUTEM data sets. 
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 13 are found here). 13 are found here).
  
-{{attachment:julyincreasenewsites.png}}+{{:julyincreasenewsites.png}}
  
-{{attachment:compositenewsites.png}}+{{:compositenewsites.png}}
  
 == Future work == == Future work ==
  
- * How does the {{{CRUTEM}}} data compare with the Oklahoma Mesonet data? +  * How does the CRUTEM data compare with the Oklahoma Mesonet data? 
- * What is the history of land surface changes and maintenance of the CRUTEM sites in Oklahoma?  +  * What is the history of land surface changes and maintenance of the CRUTEM sites in Oklahoma?  
  
crutem.1738877304.txt.gz · Last modified: 2025/02/06 15:28 by admin
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