High frequency measurements from Commonwealth Glacier Meteorological Station (COHM) - Taylor Valley, Antarctica - 1993 to present

Summary

Abstract: 

As part of the McMurdo Dry Valleys Long Term Ecological Research program, meteorological data are collected from various locations throughout the McMurdo Dry Valleys of Antarctica. This package contains 15-minute data from the Commonwealth Glacier Meteorological Station (COHM), located in Taylor Valley. COHM was established in 1993, during the 93/94 field season.

Date Range: 

Monday, November 22, 1993 to Tuesday, November 27, 2018
Commonwealth Station Air Temperature spreadsheet column description and units used

Variables: 

DATASET CODE
  • Label:
  • Definition: Code for given set of information for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
METLOCID
  • Label:
  • Definition: Location code for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
DATE_TIME
  • Label:
  • Definition: Date/time of sample (New Zealand DST, +13 UTC)
  • Type: Date/time
  • Date format: MM/DD/YYYY HH:MI
  • Missing values: None specified
AIRT3M
  • Label:
  • Definition: Average air temperature at 3 m above ground
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: 15
  • Minimum: -70
  • Precision: 0.01
  • Missing values:
    • Null = None given
AIRTMAX
  • Label:
  • Definition: Maximum air temperature at 3 m above ground
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: 15
  • Minimum: -70
  • Precision: 0.01
  • Missing values:
    • Null = None given
AIRTMIN
  • Label:
  • Definition: Minumum air temperature at 3 m above ground
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: 15
  • Minimum: -70
  • Precision: 0.01
  • Missing values:
    • Null = None given
AIRT_COMMENTS
  • Label: air temperature comments
  • Definition: Noted comments by the investigator about the particular measure of air temperature
  • Type: Nominal
  • Missing values: None specified
AIRT1M
  • Label:
  • Definition: Average air temperature at 1 m above ground
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values:
    • Null = None given
Commonwealth met station ice surface change spreadsheet description and units used

Variables: 

DATASET CODE
  • Label:
  • Definition: Code for given set of information for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
METLOCID
  • Label:
  • Definition: Location code for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
DATE_TIME
  • Label:
  • Definition: Date/time of sample (New Zealand DST, +13 UTC)
  • Type: Date/time
  • Date format: MM/DD/YYYY HH:MI
  • Missing values: None specified
ICESURFCHANGE_CM
  • Label:
  • Definition: Elevation of ice surface measured from fixed datum (Elevation of ice surface referenced to 0 at the time of installation)
  • Type: Physical quantity
  • Unit: centimeter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = None given
ICESURFCHANGE_COMMENTS
  • Label:
  • Definition: Noted comments by the investigator about the particular measure of DEPTH_
  • Type: Nominal
  • Missing values: None specified
DIST_TO_SURFACE
  • Label: Distance to surface
  • Definition: the distance between the sensor and the surface in meters
  • Type: Physical quantity
  • Unit: meter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.4
  • Missing values:
    • Null = None given
Commonwealth station Ice Temperature spreadsheet column descriptions and units used

Variables: 

DATASET CODE
  • Label:
  • Definition: Code for given set of information for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
METLOCID
  • Label:
  • Definition: Location code for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
DATE_TIME
  • Label:
  • Definition: Date/time of sample (New Zealand DST, +13 UTC)
  • Type: Date/time
  • Date format: MM/DD/YYYY HH:MI
  • Missing values: None specified
ICET20CM
  • Label:
  • Definition: Ice temperature at 20 cm depth
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values:
    • Null = None given
ICET1M
  • Label:
  • Definition: Ice temperature at 1 meter depth
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values:
    • Null = None given
ICET50CM
  • Label:
  • Definition: Ice temperature at 50 centimeters depth
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values:
    • Null = None given
ICEELEVATION
  • Label:
  • Definition: Elevation of ice surface measured from fixed datum (based on original height of sonic)
  • Type: Physical quantity
  • Unit: centimeter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = None given
ICET_COMMENTS
  • Label:
  • Definition: Noted comments by the investigator about the particular measure of ICET_
  • Type: Nominal
  • Missing values: None specified
Commonwealth Solar Radiation spreadsheet columns description and units used

Variables: 

DATASET CODE
  • Label:
  • Definition: Code for given set of information for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
METLOCID
  • Label:
  • Definition: Location code for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
DATE_TIME
  • Label:
  • Definition: Date/time of sample (New Zealand DST, +13 UTC)
  • Type: Date/time
  • Date format: MM/DD/YYYY HH:MI
  • Missing values: None specified
LWRADIN
  • Label:
  • Definition: Incoming longwave radiation based on applying instrument-specific multiplier
  • Type: Physical quantity
  • Unit: W/m2
  • Maximum: 400
  • Minimum: -5
  • Precision: 0.1
  • Missing values:
    • Null = None given
LWRADIN2
  • Label:
  • Definition: Incoming longwave radiation calculated from thermopile, case thermistor and the dome or hemisphere thermistor measurements
  • Type: Physical quantity
  • Unit: W/m2
  • Maximum: 400
  • Minimum: -5
  • Precision: 0.1
  • Missing values:
    • Null = None given
LWRADOUT
  • Label:
  • Definition: Outgoing longwave radiation based on applying instrument-specific multiplier
  • Type: Physical quantity
  • Unit: W/m2
  • Maximum: 400
  • Minimum: -5
  • Precision: 0.1
  • Missing values:
    • Null = None given
LWRADOUT2
  • Label:
  • Definition: Outgoing longwave radiation calculated from thermopile, case thermistor and the dome or hemisphere thermistor measurements
  • Type: Physical quantity
  • Unit: W/m2
  • Maximum: 400
  • Minimum: -5
  • Precision: 0.1
  • Missing values:
    • Null = None given
SWRADIN
  • Label:
  • Definition: Incoming shortwave radiation/solar flux
  • Type: Physical quantity
  • Unit: W/m2
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = None given
SWRADOUT
  • Label:
  • Definition: Outoing shortwave radiation/solar flux
  • Type: Physical quantity
  • Unit: W/m2
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = None given
THMIR
  • Label:
  • Definition: Thermal infrared surface temperature
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = None given
RADN_COMMENTS
  • Label: radiation comments
  • Definition: Noted comments by the investigator about the particular measure of radiation
  • Type: Nominal
  • Missing values: None specified
Commonwealth station Relative Humidity spreadsheet and columns descriptions and units used

Variables: 

DATASET CODE
  • Label:
  • Definition: Code for given set of information for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
METLOCID
  • Label:
  • Definition: Location code for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
DATE_TIME
  • Label:
  • Definition: Date/time of sample (New Zealand DST, +13 UTC)
  • Type: Date/time
  • Date format: MM/DD/YYYY HH:MI
  • Missing values: None specified
RH
  • Label:
  • Definition: Relative humidity at 3 meters
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values:
    • Null = None given
RH_COMMENTS
  • Label: relative humidity comments
  • Definition: Noted comments by the investigator about the particular measure of relative humidity
  • Type: Nominal
  • Missing values: None specified
Commonwealth station Ice Surface Temperature Units

Variables: 

DATASET CODE
  • Label:
  • Definition: Code for given set of information for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
METLOCID
  • Label:
  • Definition: Location code for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
DATE_TIME
  • Label:
  • Definition: Date/time of sample (New Zealand DST, +13 UTC)
  • Type: Date/time
  • Date format: MM/DD/YYYY HH:MI
  • Missing values: None specified
SURFTEMP
  • Label:
  • Definition: Ice surface temperature thermal infrared
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values:
    • Null = None given
SURFTEMP_COMMENTS
  • Label: ice surface temp comments
  • Definition: Noted comments by the investigator about the particular measure of ice surface temperature
  • Type: Nominal
  • Missing values: None specified
Commonwealth Station Wind Measurement Units

Variables: 

DATASET CODE
  • Label:
  • Definition: Code for given set of information for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
METLOCID
  • Label:
  • Definition: Location code for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
DATE_TIME
  • Label:
  • Definition: Date/time of sample (New Zealand DST, +13 UTC)
  • Type: Date/time
  • Date format: MM/DD/YYYY HH:MI
  • Missing values: None specified
WDIR
  • Label:
  • Definition: Averagewind direction
  • Type: Physical quantity
  • Unit: degreesfromnorth
  • Maximum: 360
  • Minimum: 0
  • Precision: 0.1
  • Missing values:
    • Null = None given
WDIRSTD
  • Label:
  • Definition: Standard deviation of wind direction
  • Type: Physical quantity
  • Unit: degreesfromnorth
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = None given
WSPD
  • Label:
  • Definition: Windspeed
  • Type: Physical quantity
  • Unit: metersPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = None given
WSPDMAX
  • Label:
  • Definition: Maximumwind speed
  • Type: Physical quantity
  • Unit: metersPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = None given
WSPDMIN
  • Label:
  • Definition: Minimumwind speed
  • Type: Physical quantity
  • Unit: metersPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = None given
WIND_COMMENTS
  • Label:
  • Definition: Noted comments by the investigator about the particular measure of WIND_
  • Type: Nominal
  • Missing values: None specified
Commonwealth Station Water Vapor Density Units

Variables: 

DATASET CODE
  • Label:
  • Definition: Code for given set of information for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
METLOCID
  • Label:
  • Definition: Location code for Commonwealth Glacier meteorology station
  • Type: Nominal
  • Missing values: None specified
DATE_TIME
  • Label:
  • Definition: Date/time of sample (New Zealand DST, +13 UTC)
  • Type: Date/time
  • Date format: MM/DD/YYYY HH:MI
  • Missing values: None specified
WVAPD
  • Label:
  • Definition: Water Vapor Density
  • Type: Physical quantity
  • Unit: gramspercubicmeter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = None given
WVAPD_COMMENTS
  • Label:
  • Definition: Noted comments by the investigator about the particular measure of WVAPD_
  • Type: Nominal
  • Missing values: None specified

Short name: 

COHM

Data set ID: 

7007
Published in the EDI Data Repository

Data Citation: 

Doran, P.T., Fountain, A.G. 2019. McMurdo Dry Valleys LTER: High frequency measurements from Commonwealth Glacier Meteorological Station (COHM) - Taylor Valley, Antarctica - 1993 to present. Environmental Data Initiative. DOI: 10.6073/pasta/16a9543aa5a72ead75c40a89038e8f0f. Dataset accessed 19 August 2019.
People

Principal Investigator(s): 

Contact: 

Associated Personnel: 

Field Crew
Data Manager
Former Field Crew
Former Field Crew
Former Field Crew
Former Data Manager