BOREAS/SRC AMS Suite A Surface Meteorological and Radiation Data: 1994

7.3 Data Characteristics

7.3.1 Parameter/Variable

Suite A Column Name
------------------------------
SITE_NAME
SUB_SITE
DATE_OBS
TIME_OBS
MEAN_ABOVE_CANOPY_TEMP_10M
SDEV_ABOVE_CANOPY_TEMP_10M
MEAN_WITHIN_CANOPY_TEMP_2M
SDEV_WITHIN_CANOPY_TEMP_2M
MEAN_SURF_PRESS_15MIN
SDEV_SURF_PRESS_15MIN
MEAN_REL_HUM_15MIN
SDEV_REL_HUM_15MIN
MIXING_RATIO
MEAN_WIND_SPEED_15MIN
SDEV_WIND_SPEED_15MIN
MEAN_WIND_DIR_15MIN
SDEV_WIND_DIR_15MIN
U_COMPNT_WIND_VELOC
V_COMPNT_WIND_VELOC
RAINFALL_RATE_15MIN
TOTAL_RAINFALL_RATE_15MIN
ACCUM_PRECIP
SNOW_DEPTH
MEAN_INCIDENT_SHORTWAVE_15MIN
SDEV_INCIDENT_SHORTWAVE_15MIN
MEAN_TOTAL_DOWN_PAR_15MIN
MEAN_DOWN_PPFD_15MIN
SDEV_TOTAL_DOWN_PAR_15MIN
MEAN_REFLECTED_SHORTWAVE_15MIN
SDEV_REFLECTED_SHORTWAVE_15MIN
MEAN_NET_RAD_15MIN
SDEV_NET_RAD_15MIN
MEAN_IR_TEMP_15MIN
SDEV_IR_TEMP_15MIN
COLD_PROBE_TEMP
WARM_PROBE_TEMP
MEAN_SOIL_TEMP_10CM_15MIN
SDEV_SOIL_TEMP_10CM_15MIN
MEAN_SOIL_TEMP_20CM_15MIN
SDEV_SOIL_TEMP_20CM_15MIN
MEAN_SOIL_TEMP_50CM_15MIN
SDEV_SOIL_TEMP_50CM_15MIN
CRTFCN_CODE
REVISION_DATE


7.3.2 Variable Description/Definition

Suite A 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.
TIME_OBS                       The Greenwich Mean Time (GMT) when the data were
                               collected.
MEAN_ABOVE_CANOPY_TEMP_10M     The fifteen-minute mean air temperature at ten 
                               meters above the canopy based on measurements
                               taken every minute starting at the given time.
SDEV_ABOVE_CANOPY_TEMP_10M     The standard deviation of the air temperature at
                               ten meters above the canopy based on
                               measurements taken every minute starting at the
                               given time.
MEAN_WITHIN_CANOPY_TEMP_2M     The fifteen-minute mean air temperature at two 
                               meters above ground based on measurements taken 
                               every minute starting at the given time.
SDEV_WITHIN_CANOPY_TEMP_2M     The standard deviation of the air temperature at
                               two meters above ground based on measurements 
                               taken every minute starting at the given time.
MEAN_SURF_PRESS_15MIN          The fifteen-minute mean atmospheric pressure
                               measured at station level based on measurements 
                               taken every minute starting at the given time.
SDEV_SURF_PRESS_15MIN          The standard deviation of the atmospheric
                               pressure measured at station level based on 
                               measurements taken every minute starting at the 
                               given time.
MEAN_REL_HUM_15MIN             The fifteen-minute mean relative humidity of the
                               air at ten meters above the canopy based on
                               measurements taken every minute starting at the 
                               given time.
SDEV_REL_HUM_15MIN             The standard deviation of the relative humidity
                               of the air at ten meters above the canopy based
                               on measurements taken every minute starting at 
                               the given time.
MIXING_RATIO                   The derived mixing ratio of the air at ten
                               meters above the canopy using the fifteen-minute 
                               mean of the above canopy temperature, surface 
                               pressure, and relative humidity.
MEAN_WIND_SPEED_15MIN          The fifteen-minute mean speed of the air based 
                               on measurements taken every five seconds starting
                               at the given time.
SDEV_WIND_SPEED_15MIN          The standard deviation of the speed of the air 
                               based on measurements taken every five seconds
                               starting at the given time.
MEAN_WIND_DIR_15MIN            The fifteen-minute mean direction from which the
                               wind traveled based on measurements taken every
                               five seconds starting at the given time.
SDEV_WIND_DIR_15MIN            The standard deviation of the direction from
                               which the wind traveled based on measurements 
                               taken every five seconds starting at the given 
                               time.
U_COMPNT_WIND_VELOC            The computed westerly (from the west) vector
                               component of the wind speed and wind direction.
V_COMPNT_WIND_VELOC            The computed southerly (from the south) vector 
                               component of the wind speed and wind direction.
RAINFALL_RATE_15MIN            The amount of rain that has fallen in the
                               fifteen minute time period starting at the given 
                               time.
TOTAL_RAINFALL_RATE_15MIN      The total amount of rain that has fallen since 
                               the start of data collection, given as the
                               running sum of the amount of rain that has fallen 
                               in each fifteen minute time period.
ACCUM_PRECIP                   The total amount of precipitation that has
                               fallen since a relative date.  This variable is 
                               measured at the start of every hour but given for 
                               every fifteen-minute time period.
SNOW_DEPTH                     The depth of snow on the ground.
MEAN_INCIDENT_SHORTWAVE_15MIN  The fifteen-minute mean total (direct and
                               diffuse) downward shortwave solar radiation based 
                               on measurements taken every five seconds starting 
                               at the given time.  Measured wavelengths range 
                               from 0.285 to 2.800 micrometers.
SDEV_INCIDENT_SHORTWAVE_15MIN  The standard deviation of the total (direct and
                               diffuse) downward shortwave solar radiation base
                               based on measurements taken every five seconds 
                               starting at the given time.  Measured wavelengths 
                               range from 0.285 to 2.800 micrometers.
MEAN_TOTAL_DOWN_PAR_15MIN      The fifteen-minute mean total (direct and
                               diffuse) downward photosynthetically active 
                               radiation based on measurements taken every five 
                               seconds starting at the given time.  Measured 
                               wavelengths range from 0.4 to 0.7 micrometers.
MEAN_DOWN_PPFD_15MIN           The fifteen-minute mean total (direct and
                               diffuse) quantum downward photosynthetic photon 
                               flux density calculated from the mean downward 
                               PAR using the factor 4.54 microEinsteins sec^-1 
                               Watts^-1 as given in McCartney, 1978.
SDEV_TOTAL_DOWN_PAR_15MIN      The standard deviation of the total (direct and
                               diffuse) downward photosynthetically active
                               radiation based on measurements  taken every five 
                               seconds starting at the given time.  Measured 
                               wavelengths range from 0.4 to 0.7 micrometers.
MEAN_REFLECTED_SHORTWAVE_15MIN The fifteen-minute mean of upward shortwave 
                               solar radiation reflected from the ground based 
                               on measurements taken every five seconds starting 
                               at the given time.  Measured wavelengths are 
                               0.285 to 2.800 micrometers.
SDEV_REFLECTED_SHORTWAVE_15MIN The standard deviation of the upward shortwave 
                               solar radiation reflected from the ground based 
                               on measurements taken every five seconds starting
                               at the given time. Measured wavelengths are
                               0.285 to 2.800 micrometers.
MEAN_NET_RAD_15MIN             The fifteen-minute mean total (incoming and
                               outgoing) radiation based on measurements taken 
                               every five seconds starting at the given time.
SDEV_NET_RAD_15MIN             The standard deviation of the  mean total
                               (incoming and outgoing) radiation based on 
                               measurements taken every five seconds starting at 
                               the given time.
MEAN_IR_TEMP_15MIN             The fifteen-minute mean infrared temperature
                               looking down from ten meters above the canopy 
                               based on measurements taken every five seconds 
                               starting at the given time.
SDEV_IR_TEMP_15MIN             The standard deviation of the infrared
                               temperature looking down from ten meters above 
                               the canopy based on measurements taken every five 
                               seconds starting at the given time.
COLD_PROBE_TEMP                The temperature of a probe inserted into a
                               porous block in the soil at ten centimeters depth 
                               before the block area is heated.
WARM_PROBE_TEMP                The temperature of a probe inserted into a
                               porous block in the soil at ten centimeters depth 
                               after the block area has been heated for twenty 
                               seconds.
MEAN_SOIL_TEMP_10CM_15MIN      The fifteen-minute mean temperature of the soil
                               at ten centimeters below the surface based on 
                               measurements taken every minute starting at the 
                               given time.
SDEV_SOIL_TEMP_10CM_15MIN      The standard deviation of the soil temperature 
                               at ten centimeters below the surface based on
                               measurements taken every minute starting at the 
                               given time.
MEAN_SOIL_TEMP_20CM_15MIN      The fifteen-minute mean temperature of the soil
                               at twenty centimeters below the surface based on
                               measurements taken every minute starting at the
                               given time.
SDEV_SOIL_TEMP_20CM_15MIN      The standard deviation of the soil temperature 
                               at twenty centimeters below the surface based on
                               measurements taken every minute starting at the
                               given time.
MEAN_SOIL_TEMP_50CM_15MIN      The fifteen-minute mean temperature of the soil
                               at fifty centimeters below the surface based on
                               measurements taken every minute starting at the
                               given time.
SDEV_SOIL_TEMP_50CM_15MIN      The standard deviation of the soil temperature 
                               at fifty centimeters below the surface based on 
                               measurements taken every minute starting at the 
                               given time.
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

Suite A Column Name                                Units
------------------------------ ------------------------------------------------
SITE_NAME                      [none]
SUB_SITE                       [none]
DATE_OBS                       [DD-MON-YYYY]
TIME_OBS                       [HHMM GMT]
MEAN_ABOVE_CANOPY_TEMP_10M     [degrees Celsius]
SDEV_ABOVE_CANOPY_TEMP_10M     [degrees Celsius]
MEAN_WITHIN_CANOPY_TEMP_2M     [degrees Celsius]
SDEV_WITHIN_CANOPY_TEMP_2M     [degrees Celsius]
MEAN_SURF_PRESS_15MIN          [kiloPascals]
SDEV_SURF_PRESS_15MIN          [kiloPascals]
MEAN_REL_HUM_15MIN             [percent]
SDEV_REL_HUM_15MIN             [percent]
MIXING_RATIO                   [grams of water vapor][kilogram dry air^-1]
MEAN_WIND_SPEED_15MIN          [meters][second^-1]
SDEV_WIND_SPEED_15MIN          [meters][second^-1]
MEAN_WIND_DIR_15MIN            [degrees true North in a clockwise direction]
SDEV_WIND_DIR_15MIN            [degrees true North in a clockwise direction]
U_COMPNT_WIND_VELOC            [meters][second^-1]
V_COMPNT_WIND_VELOC            [meters][second^-1]
RAINFALL_RATE_15MIN            [millimeters]
TOTAL_RAINFALL_RATE_15MIN      [millimeters]
ACCUM_PRECIP                   [millimeters]
SNOW_DEPTH                     [millimeters]
MEAN_INCIDENT_SHORTWAVE_15MIN  [Watts][meter^-2]
SDEV_INCIDENT_SHORTWAVE_15MIN  [Watts][meter^-2]
MEAN_TOTAL_DOWN_PAR_15MIN      [Watts][meter^-2]
MEAN_DOWN_PPFD_15MIN           [microEinsteins][meter^-2][second^-1]
SDEV_TOTAL_DOWN_PAR_15MIN      [Watts][meter^-2]
MEAN_REFLECTED_SHORTWAVE_15MIN [Watts][meter^-2]
SDEV_REFLECTED_SHORTWAVE_15MIN [Watts][meter^-2]
MEAN_NET_RAD_15MIN             [Watts][meter^-2]
SDEV_NET_RAD_15MIN             [Watts][meter^-2]
MEAN_IR_TEMP_15MIN             [degrees Celsius]
SDEV_IR_TEMP_15MIN             [degrees Celsius]
COLD_PROBE_TEMP                [degrees Celsius]
WARM_PROBE_TEMP                [degrees Celsius]
MEAN_SOIL_TEMP_10CM_15MIN      [degrees Celsius]
SDEV_SOIL_TEMP_10CM_15MIN      [degrees Celsius]
MEAN_SOIL_TEMP_20CM_15MIN      [degrees Celsius]
SDEV_SOIL_TEMP_20CM_15MIN      [degrees Celsius]
MEAN_SOIL_TEMP_50CM_15MIN      [degrees Celsius]
SDEV_SOIL_TEMP_50CM_15MIN      [degrees Celsius]
CRTFCN_CODE                    [none]
REVISION_DATE                  [DD-MON-YYYY]




7.3.4 Data Source

Suite A Column Name                        Data Source
------------------------------ ------------------------------------------------
SITE_NAME                      [Assigned by BORIS Staff]
SUB_SITE                       [Assigned by BORIS Staff]
DATE_OBS                       [CS Data Logger]
TIME_OBS                       [CS Data Logger]
MEAN_ABOVE_CANOPY_TEMP_10M     [Calculated by the CS Data logger from the 
                                HMP35CF probe readings]
SDEV_ABOVE_CANOPY_TEMP_10M     [Calculated by the CS Data logger from the 
                                HMP35CF probe readings]
MEAN_WITHIN_CANOPY_TEMP_2M     [Calculated by the CS Data logger from the 107F 
                                temperature probe readings]
SDEV_WITHIN_CANOPY_TEMP_2M     [Calculated by the CS Data logger from the 107F 
                                temperature probe readings]
MEAN_SURF_PRESS_15MIN          [Calculated by the CS Data logger from]
SDEV_SURF_PRESS_15MIN          [Calculated by the CS Data logger from]
MEAN_REL_HUM_15MIN             Calculated by the CS Data logger from the 
                                HMP35CF probe readings]
SDEV_REL_HUM_15MIN             [Calculated by the CS Data logger from the 
                                HMP35CF probe readings]
MIXING_RATIO                   [Derived using the fifteen-minute 
                                mean of the above canopy temperature, surface 
                                pressure, and relative humidity.]
MEAN_WIND_SPEED_15MIN          [Calculated by the CS Data logger from wind 
                                monitor instrument readings]
SDEV_WIND_SPEED_15MIN          [Calculated by the CS Data logger from wind 
                                monitor instrument readings]
MEAN_WIND_DIR_15MIN            [Calculated by the CS Data logger from wind 
                                monitor instrument readings]
SDEV_WIND_DIR_15MIN            [Calculated by the CS Data logger from wind 
                                monitor instrument readings]
U_COMPNT_WIND_VELOC            [Calculated by the CS Data logger from wind 
                                monitor instrument readings]
V_COMPNT_WIND_VELOC            [Calculated by the CS Data logger from wind 
                                monitor instrument readings]
RAINFALL_RATE_15MIN            [Calculated by the CS Data logger from tipping 
                                bucket instrument readings]
TOTAL_RAINFALL_RATE_15MIN      [Calculated as a running sum of the 
                                RAINFALL_RATE_15MIN values]
ACCUM_PRECIP                   [Calculated by the CS Data logger from Belfort 
                                rain gauge readings]
SNOW_DEPTH                     [Calculated by the CS Data logger from the 
                                Ultrasonic depth gauge measurements]
MEAN_INCIDENT_SHORTWAVE_15MIN  [Calculated by the CS Data logger from the 
                                albedometer readings]
SDEV_INCIDENT_SHORTWAVE_15MIN  [Calculated by the CS Data logger from the 
                                albedometer readings]
MEAN_TOTAL_DOWN_PAR_15MIN      [Calculated by the CS Data logger from the PAR 
                                sensor readings]
MEAN_DOWN_PPFD_15MIN           [Calculated from the MEAN_TOTAL_DOWN_PAR_15MIN
                                using the factor 4.54 microEinsteins sec^-1 
                                Watts^-1 as given in McCartney, 1978.]
SDEV_TOTAL_DOWN_PAR_15MIN      [Calculated by the CS Data logger from the PAR 
                                sensor readings]
MEAN_REFLECTED_SHORTWAVE_15MIN [Calculated by the CS Data logger from the 
                                albedometer readings]
SDEV_REFLECTED_SHORTWAVE_15MIN [Calculated by the CS Data logger from the 
                                albedometer readings]
MEAN_NET_RAD_15MIN             [Calculated by the CS Data logger from the net 
                                radiometer readings]
SDEV_NET_RAD_15MIN             [Calculated by the CS Data logger from the net 
                                radiometer readings]
MEAN_IR_TEMP_15MIN             [Calculated by the CS Data logger from the IR 
                                thermometer readings]
SDEV_IR_TEMP_15MIN             [Calculated by the CS Data logger from the IR 
                                thermometer readings]
COLD_PROBE_TEMP                [Calculated by the CS Data logger from the 
                                unheated probe temperatures]
WARM_PROBE_TEMP                [Calculated by the CS Data logger from the 
                                heated probe temperatures]
MEAN_SOIL_TEMP_10CM_15MIN      [Calculated by the CS Data logger from the soil 
                                temperature probe measurements]
SDEV_SOIL_TEMP_10CM_15MIN      [Calculated by the CS Data logger from the soil 
                                temperature probe measurements]
MEAN_SOIL_TEMP_20CM_15MIN      [Calculated by the CS Data logger from the soil 
                                temperature probe measurements]
SDEV_SOIL_TEMP_20CM_15MIN      [Calculated by the CS Data logger from the soil 
                                temperature probe measurements]
MEAN_SOIL_TEMP_50CM_15MIN      [Calculated by the CS Data logger from the soil 
                                temperature probe measurements]
SDEV_SOIL_TEMP_50CM_15MIN      [Calculated by the CS Data logger from the soil 
                                temperature probe measurements]
CRTFCN_CODE                    [Assigned by BORIS staff]
REVISION_DATE                  [Assigned by BORIS staff]




7.3.5 Data Range

The actual ranges for the various parameters were not determined due to the 
large amount of data in this data set.

7.4 Sample Data Record

SITE_NAME,SUB_SITE,DATE_OBS,TIME_OBS,MEAN_ABOVE_CANOPY_TEMP_10M,
SDEV_ABOVE_CANOPY_TEMP_10M,MEAN_WITHIN_CANOPY_TEMP_2M,
SDEV_WITHIN_CANOPY_TEMP_2M,MEAN_SURF_PRESS_15MIN,SDEV_SURF_PRESS_15MIN,
MEAN_REL_HUM_15MIN,SDEV_REL_HUM_15MIN,MIXING_RATIO,MEAN_WIND_SPEED_15MIN,
SDEV_WIND_SPEED_15MIN,MEAN_WIND_DIR_15MIN,SDEV_WIND_DIR_15MIN,
U_COMPNT_WIND_VELOC,V_COMPNT_WIND_VELOC,RAINFALL_RATE_15MIN,
TOTAL_RAINFALL_RATE_15MIN,ACCUM_PRECIP,SNOW_DEPTH,MEAN_INCIDENT_SHORTWAVE_15MIN,
SDEV_INCIDENT_SHORTWAVE_15MIN,MEAN_TOTAL_DOWN_PAR_15MIN,MEAN_DOWN_PPFD_15MIN,
SDEV_TOTAL_DOWN_PAR_15MIN,MEAN_REFLECTED_SHORTWAVE_15MIN,
SDEV_REFLECTED_SHORTWAVE_15MIN,MEAN_NET_RAD_15MIN,SDEV_NET_RAD_15MIN,
MEAN_IR_TEMP_15MIN,SDEV_IR_TEMP_15MIN,COLD_PROBE_TEMP,WARM_PROBE_TEMP,
MEAN_SOIL_TEMP_10CM_15MIN,SDEV_SOIL_TEMP_10CM_15MIN,MEAN_SOIL_TEMP_20CM_15MIN,
SDEV_SOIL_TEMP_20CM_15MIN,MEAN_SOIL_TEMP_50CM_15MIN,SDEV_SOIL_TEMP_50CM_15MIN,
CRTFCN_CODE,REVISION_DATE
'TRN-999-FFN03','AFM07-SRCA1',01-APR-1994,0,-1.7,.106,-1.1,.095,97.5,.008,69.6,
.657,2.406,3.8,1.331,70.3,19.71,-3.5814,-1.2823,-999.0,,53.5,369.0,58.761,43.0,
28.347,128.695,20.0,6.063,5.0,36.492,39.0,-999.0,-999.0,,,-2.65,.004,-2.81,.005,
-2.86,.005,'CPI',16-FEB-1995
'TRN-999-FFN03','AFM07-SRCA1',01-APR-1994,15,-2.1,.117,-1.5,.117,97.6,.009,68.9,
.493,2.31,5.0,1.326,66.9,15.63,-4.6235,-1.9683,-999.0,,53.5,369.0,51.947,13.0,
24.55,111.457,6.0,5.427,2.0,28.676,5.0,-999.0,2.345,,,-2.65,.006,-2.81,.006,
-2.85,.006,'CPI',27-FEB-1995
