BOREAS TE-01 CH4 Flux data over the SSA-OA

7.3 Data Characteristics                                                        
                                                                                
7.3.1 Parameter/Variable                                                        
                                                                                
The parameters contained in the data files on the CD-ROM are:                   
                                                                                
         Column Name                                                            
------------------------------                                                  
SITE_NAME                                                                       
SUB_SITE                                                                        
DATE_OBS                                                                        
MEAN_CH4_FLUX                                                                   
SDEV_CH4_FLUX                                                                   
MEDIAN_CH4_FLUX                                                                 
FIRST_QUARTILE                                                                  
FOURTH_QUARTILE                                                                 
CH4_CONC_5CM                                                                    
CH4_CONC_9_TO_16CM                                                              
CH4_CONC_31CM                                                                   
CH4_CONC_26_TO_28CM                                                             
CH4_CONC_43_TO_46CM                                                             
CH4_CONC_79_TO_93CM                                                             
CRTFCN_CODE                                                                     
REVISION_DATE                                                                   

7.3.2 Variable Description/Definition                                           
                                                                                
The descriptions of the parameters contained in the data files on               
the CD-ROM are:                                                                 
                                                                                
         Column Name                             Description                    
------------------------------ ------------------------------------------------ 
SITE_NAME                      The identifier assigned to the site by BOREAS, in 
                               the format SSS-TTT-CCCCC, where SSS identifies 
                               the portion of the study area: NSA, SSA, REG, 
                               TRN, and TTT identifies the cover type for the 
                               site, 999 if unknown, and CCCCC is the identifier  
                               for site, exactly what it means will vary with 
                               site type.                                        
SUB_SITE                       The identifier assigned to the sub-site by 
                               BOREAS, in the format GGGGG-IIIII, where GGGGG is 
                               the group associated with the sub-site 
                               instrument, e.g. HYD06 or STAFF, and IIIII is the 
                               identifier for sub-site, often this will refer to 
                               an instrument.                                           
DATE_OBS                       The date on which the data were collected.       
MEAN_CH4_FLUX                  Mean of all daily methane flux measurements.     
SDEV_CH4_FLUX                  The standard deviation of all daily methane flux 
                               measurements.                                   
MEDIAN_CH4_FLUX                Median of all daily methane flux measurements.   
FIRST_QUARTILE                 1ST quartile of all daily methane flux 
                               measurements.                                             
FOURTH_QUARTILE                4TH quartile of all daily methane flux 
                               measurements.                                             
CH4_CONC_5CM                   Methane concentration in the peat at 5 cm depth. 
CH4_CONC_9_TO_16CM             Methane concentration in the peat at 9-16 cm 
                               depth.                                              
CH4_CONC_31CM                  Methane concentration in the peat at 31 cm depth. 
CH4_CONC_26_TO_28CM            Methane concentration in the peat at 26-28 cm 
                               depth.                                             
CH4_CONC_43_TO_46CM            Methane concentration in the peat at 43-46 cm 
                               depth.                                             
CH4_CONC_79_TO_93CM            Methane concentration in the peat at 79-93 cm 
                               depth.                                             
CRTFCN_CODE                    The BOREAS certification level of the data.  
                               Examples are CPI (Checked by PI), CGR (Certified 
                               by Group), PRE (Preliminary), and CPI-??? (CPI 
                               but questionable).                                  
REVISION_DATE                  The most recent date when the information in the 
                               referenced data base table record was revised.  
                                                                                

7.3.3 Unit of Measurement                                                       
                                                                                
The measurement units for the parameters contained in the data files on         
the CD-ROM are:                                                                 
                                                                                
         Column Name                                Units                       
------------------------------ ------------------------------------------------ 
SITE_NAME                      [none]                                           
SUB_SITE                       [none]                                           
DATE_OBS                       [DD-MON-YYYY]                                      
MEAN_CH4_FLUX                  [micromoles][meter^-2][second^-1]                
SDEV_CH4_FLUX                  [micromoles][meter^-2][second^-1]                
MEDIAN_CH4_FLUX                [micromoles][meter^-2][second^-1]                
FIRST_QUARTILE                 [micromoles][meter^-2][second^-1]                
FOURTH_QUARTILE                [micromoles][meter^-2][second^-1]                
CH4_CONC_5CM                   [parts per million]                              
CH4_CONC_9_TO_16CM             [parts per million]                              
CH4_CONC_31CM                  [parts per million]                              
CH4_CONC_26_TO_28CM            [parts per million]                              
CH4_CONC_43_TO_46CM            [parts per million]                              
CH4_CONC_79_TO_93CM            [parts per million]                              
CRTFCN_CODE                    [none]                                           
REVISION_DATE                  [DD-MON-YYYY]                                      

7.3.4 Data Source                                                               
                                                                                
The source of the parameter values contained in the data files on               
the CD-ROM are:                                                                 
                                                                                
         Column Name                             Data Source                    
------------------------------ ------------------------------------------------ 
SITE_NAME                      [BORIS Designation]                                
SUB_SITE                       [BORIS Designation]                                
DATE_OBS                       [Human Observer]                                
MEAN_CH4_FLUX                  [Laboratory Equipment]                                
SDEV_CH4_FLUX                  [Laboratory Equipment]                                
MEDIAN_CH4_FLUX                [Laboratory Equipment]                                
FIRST_QUARTILE                 [Laboratory Equipment]                                
FOURTH_QUARTILE                [Laboratory Equipment]                                
CH4_CONC_5CM                   [Laboratory Equipment]                                
CH4_CONC_9_TO_16CM             [Laboratory Equipment]                                
CH4_CONC_31CM                  [Laboratory Equipment]                                
CH4_CONC_26_TO_28CM            [Laboratory Equipment]                                
CH4_CONC_43_TO_46CM            [Laboratory Equipment]                                
CH4_CONC_79_TO_93CM            [Laboratory Equipment]                                
CRTFCN_CODE                    [BORIS Designation]                                
REVISION_DATE                  [BORIS Designation]                                

7.3.5  Data Range                                                               
                                                                                
The following table gives information about the parameter values found in       
the data files on the CD-ROM.                                                   
                                                                                
                                                                                

                     Minimum        Maximum        Missng  Unrel  Below   Data
                     Data           Data           Data    Data   Detect  Not
Column Name          Value          Value          Value   Value  Limit   Cllctd
--------------------------------------------------------------------------------
SITE_NAME            SSA-9OA-FLXTR  SSA-9OA-FLXTR  None    None   None    None 
SUB_SITE             9TE01-FLX01    9TE01-FLX01    None    None   None    None 
DATE_OBS             29-MAY-1994    17-SEP-1994    None    None   None    None 
MEAN_CH4_FLUX        0              .00042824      None    None   None    None 
SDEV_CH4_FLUX        0              .00074074      -999    None   None    None 
MEDIAN_CH4_FLUX      0              .00040509      None    None   None    None 
FIRST_QUARTILE       0              .00619213      None    None   None    None 
FOURTH_QUARTILE      0              .0084375       None    None   None    None 
CH4_CONC_5CM         1.043          1.282          -999    None   None    None 
CH4_CONC_9_TO_16CM   .535           1.584          -999    None   None    None 
CH4_CONC_31CM        .253           .483           -999    None   None    None 
CH4_CONC_26_TO_28CM  .307           .917           -999    None   None    None 
CH4_CONC_43_TO_46CM  0              .524           -999    None   None    None 
CH4_CONC_79_TO_93CM  0              .359           -999    None   None    None 
CRTFCN_CODE          CPI            CPI            None    None   None    None 
REVISION_DATE        12-NOV-1996    12-NOV-1996    None    None   None    None 
--------------------------------------------------------------------------------
Minimum Data Value -- The minimum value found in the column.
Maximum Data Value -- The maximum value found in the column.
Missng Data Value  -- The value that indicates missing data. This is used to 
                      indicate that an attempt was made to determine the 
                      parameter value, but the attempt was unsuccessful.
Unrel Data Value   -- The value that indicates unreliable data.  This is used 
                      to indicate an attempt was made to determine the 
                      parameter value, but the value was deemed to be 
                      unreliable by the analysis personnel.
Below Detect Limit -- The value that indicates parameter values below the 
                      instruments detection limits.  This is used to 
                      indicate that an attempt was made to determine the 
                      parameter value, but the analysis personnel determined
                      that the parameter value was below the detection
                      limit of the instrumentation.
Data Not Cllctd    -- This value indicates that no attempt was made to 
                      determine the parameter value.  This usually 
                      indicates that BORIS combined several similar but 
                      not identical data sets into the same data base table
                      but this particular science team did not 
                      measure that parameter.

Blank -- Indicates that blank spaces are used to denote that type of value.
N/A   -- Indicates that the value is not applicable to the respective column.
None  -- Indicates that no values of that sort were found in the column.
--------------------------------------------------------------------------------

7.4 Sample Data Record                                                          

SITE_NAME,SUB_SITE,DATE_OBS,MEAN_CH4_FLUX,SDEV_CH4_FLUX,MEDIAN_CH4_FLUX,
FIRST_QUARTILE,FOURTH_QUARTILE,CH4_CONC_5CM,CH4_CONC_9_TO_16CM,CH4_CONC_31CM,
CH4_CONC_26_TO_28CM,CH4_CONC_43_TO_46CM,CH4_CONC_79_TO_93CM,CRTFCN_CODE,
REVISION_DATE
'SSA-9OA-FLXTR','9TE01-FLX01',29-MAY-1994,.00016204,.00008102,.00016204,
.00217593,.00347222,-999.0,-999.0,-999.0,-999.0,-999.0,-999.0,'CPI',12-NOV-1996
'SSA-9OA-FLXTR','9TE01-FLX01',29-MAY-1994,.0000463,-999.0,.0000463,.00069444,
.00069444,-999.0,-999.0,-999.0,-999.0,-999.0,-999.0,'CPI',12-NOV-1996
