High frequency measurements from Mount Fleming Meteorological Station (FLMM), McMurdo Dry Valleys, Antarctica (2011-2022, ongoing)

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 data package contains 15-minute data from the Mount Fleming Meteorological Station (FLMM), located at the head of Wright Valley.

Date Range: 

January 8, 2011 to December 19, 2022
Data Citation
Doran, P.T., Fountain, A.G. 2023. High frequency measurements from Mount Fleming Meteorological Station (FLMM), McMurdo Dry Valleys, Antarctica (2011-2022, ongoing). Environmental Data Initiative. DOI: 10.6073/pasta/ffaf6ea76cf1ade119716659483b1b62. Dataset accessed 13 September 2024.
Dataset(s)

Description: 

FLMM - Air Temperature

Variables (click to expand): 

DATASET_CODE
  • Label:
  • Definition: Code for given set of information for Mt. Fleming meteorology station
  • Type: Nominal
  • Missing values: None specified
METLOCID
  • Label:
  • Definition: Location code for Mt. Fleming 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 HH24:MI
  • Missing values: None specified
AIRT2M
  • Label:
  • Definition: Average air temperature at 2 m above ground
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • 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
AIRT1_3M
  • Label:
  • Definition: differential of air temperature between 3m and 1m above ground
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values:
    • Null = None given

File: 

mcmlter-clim-flmm_airt-15min-20230705.csv (17.48 MB)

Description: 

FLMM - Atmospheric Pressure

Variables (click to expand): 

DATASET_CODE
  • Label:
  • Definition: Code for given set of information for Mt. Fleming meteorology station
  • Type: Nominal
  • Missing values: None specified
METLOCID
  • Label:
  • Definition: Location code for Mt. Fleming 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 HH24:MI
  • Missing values: None specified
PRESSTA
  • Label:
  • Definition: Atmospheric Pressure (mbar)
  • Type: Physical quantity
  • Unit: millibar
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.4
  • Missing values:
    • Null = see comments
PRESSTA_COMMENTS
  • Label: Atmospheric Pressure comments
  • Definition: Noted comments by the investigator about the particular measure of atmospheric pressure
  • Type: Nominal
  • Missing values: None specified

File: 

mcmlter-clim-flmm_pressta-15min-20230705.csv (15.26 MB)

Description: 

FLMM - Relative Humidity

Variables (click to expand): 

DATASET_CODE
  • Label:
  • Definition: Code for given set of information for Mt. Fleming meteorology station
  • Type: Nominal
  • Missing values: None specified
METLOCID
  • Label:
  • Definition: Location code for Mt. Fleming 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 HH24: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 = See comments
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

File: 

mcmlter-clim-flmm_rh-15min-20230705.csv (13.95 MB)

Description: 

FLMM - Wind Direction & Speed

Variables (click to expand): 

DATASET_CODE
  • Label:
  • Definition: Code for given set of information for Mt. Fleming meteorology station
  • Type: Nominal
  • Missing values: None specified
METLOCID
  • Label:
  • Definition: Location code for Mt. Fleming 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 HH24:MI
  • Missing values: None specified
WDIR
  • Label:
  • Definition: Average wind direction
  • Type: Physical quantity
  • Unit: degreesfromnorth
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = See comments
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 = See comments
WSPD
  • Label:
  • Definition: Wind speed
  • Type: Physical quantity
  • Unit: metersPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = See comments
WSPDMAX
  • Label:
  • Definition: Maximum wind speed
  • Type: Physical quantity
  • Unit: metersPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • Null = None given
WSPDMIN
  • Label:
  • Definition: Minimum wind 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

File: 

mcmlter-clim-flmm_wind-15min-20230705.csv (21.56 MB)

Short name: 

FLMM

Dataset ID: 

7018
People

Principal Investigator(s): 

Peter T. Doran
Andrew G. Fountain

Contact: 

McMurdo Dry Valleys LTER Information Manager

Associated Personnel: 

Field Technician
Krista F. Myers
Data Manager
Renée F. Brown
Former Field Crew
Maciej K. Obryk
Former Field Crew
Hassan Basagic
Former Field Crew
Thomas Nylen
Former Data Manager
Inigo San Gil
Related

Related publications: 

McMurdo Dry Valleys Long-Term Ecological Research (LTER): LTER automatic weather network (LAWN)

Related links: 

Meteorological Task Lists
Methodology

Purpose: 

Meteorological data are collected year-round at each of MCM LTER stations. Data are manually downloaded from the meteorological stations during the austral summer. Raw 15 minute data (Level 0) is processed and provided as Level 1 data on the MCM LTER website. Field notes, sensor information, processing procedures, QA/QC, and metadata is provided in the Meteorological Post Processing Documentation and Task Lists for each field season at the following address: https://mcm.lternet.edu/meteorological-task-lists 

Methods: 

The Mt. Fleming meteorological station was added to the McMurdo Dry Valley network in the 1995-1996 field season. It was established on the shore of Mt. Fleming in Victoria Valley, one of the largest lakes in the dry valleys, recently discovered to have a 19 m ice cover over a hypersaline brine of undetermined depth. The station was set up to sample sensors every 30 seconds and send summary statistics (for example, averages and maximums) to solid-state storage modules every 15 minutes. This has resulted in approximately 20 values being recorded for final storage in every output interval.

Sampling and Averaging Intervals For Sampling frequency and Data Logger output and averaging intervals please visit: http://mcmlter.lternet.edu/data/meteorology/methods/Interval_Dates.pdf

Details from Task List For File FLMM_201112_SM001.DAT (01/08/2011 11:00 to 12/14/2011 15:15). Program Name: flm201011v1.dld

  1. Sampling every 30 seconds. Cr10X 1 minutes and 12 secs behind. Adjusted time at 12/14/2011 1442.
  2. Swapped wind monitor, RH head, CR10X and pressure.
  3. Installed FGR-115RC radio, wavelink PRO890-12-40F02N4 12 dbi antenna, Crydom solid-state relay DC60S3 and SC32B. Antenna pointed at Lake Vanda. No connection
  4. Loaded new program, FLMM_201112v1.dld at 12/14/2011 @ 1515.

For second file (FLMM_201112_SM002-003.DAT:

  1. Cr10X 2 minutes and 10 secs behind. Adjusted time at 01/26/2011 1420.
  2. Swapped out pressure with old sensor. Was not sure new one was working, which it was. Need to replace again next season.
  3. Loaded new program, FLMM_201112_v2.dld at 12/14/2011 @ 1515. Corrected mistaking in radio timing. Moved wire from C8 to C7, wrong location for turning the SwCtrl12V. Rotated radio antenna 10 degrees CW. Still no success connecting with the hub at Vanda
  4. Second air temp is still not working. Need to check program.

Instrumentation: 

1995-1996 - 1999-2000: Campbell Scientific 207 temp/rh probe. 1999-2000 - present: Campbell Scientific 107 temp probe.

Maintenance: 

On 2013, the data manager (Inigo San Gil) added the this station to the list of MCM met stations available through the MCMLTER Database and Infomration Management System (DEIMS)

Categories

Research Section: 

LTER Core Areas: 

MCM Keywords: 

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