McMurdo Dry Valleys Lake Levels

Summary

Abstract: 

Manual lake level measurements are conducted for the lakes in the McMurdo Dry Valleys, Antarctica. The survey includes Lakes Fryxell, Hoare, Bonney, Vida, Vanda, Don Juan Pond, Miers, House, and Joyce.

Date Range: 

Saturday, January 26, 1991 to Monday, January 29, 2018

...or query the data clicking the:

Variables: 

DATASET_CODE
  • Label:
  • Definition: Code that identifies the table in the database. LIMNO_LAKE_LEVELS, in this case.
  • Type: Nominal
  • Missing values: None specified
LAKE
  • Label: Lake
  • Definition: Name of lake where measurement was made
  • Type: Nominal
  • Missing values: None specified
DATE_TIME
  • Label: Date
  • Definition: Date on which measurement was made
  • Type: Date/time
  • Date format: mm/dd/yyyy
  • Missing values: None specified
REFERENCE BENCHMARK
  • Label: Reference Benchmark
  • Definition: This is the old benchmark used for lake leveling that the new measurements are corrected to
  • Type: Nominal
  • Missing values: None specified
SURVEYING BENCHMARK
  • Label: Survey Benchmark
  • Definition: This is the benchmark the optical survey was actually performed on. The lake level below this datum is recorded with level and stadia rod
  • Type: Nominal
  • Missing values: None specified
LAKE LEVEL(masl)
  • Label: Lake Level (masl)
  • Definition: Lake level below datum is expressed as meters above sea level (masl) in terms of the reference benchmark.
  • Type: Physical quantity
  • Unit: meter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • Required entry = None given
COMMENTS
  • Label: Comments
  • Definition: usually lists the surveyors. All measurements are made to true water level in drilled holes or in a connected moat. Some are shot to the surface of the moat ice and if so, that is noted here (rare)
  • Type: Nominal
  • Missing values: None specified

DOI: 

10.6073/pasta/04c8f5eb0b8197c37b3cc396ae5834bb

Short name: 

lakelevel

Data set ID: 

68
People

Owner/Creator: 

Contact: 

Additional Project roles: 

Field Crew
Associated Researcher
Field Crew
Data Manager
Data Manager