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Limno run codes, dates, and locations associated with vertical lake profile data collected in the McMurdo Dry Valleys, Antarctica (1991-2025, ongoing)
Summary
Abstract:
This data package provides a summary of "limno runs" performed each season in lakes located throughout the McMurdo Dry Valleys of Antarctica as part of the McMurdo Dry Valleys Long Term Ecological Research program. Each limno run is identified by unique code that allows one to compile a complete set of limnological data from a particular lake and location at specific time points. There are usually two or three limno runs performed per lake per austral summer field season, although the number of runs may vary by lake and by season depending on site access, site conditions, and other external factors.
Date Range:
November 21, 1991
to
January 6, 2025
Data Citation
Takacs-vesbach, C.D., Priscu, J.C.
2025
.
Limno run codes, dates, and locations associated with vertical lake profile data collected in the McMurdo Dry Valleys, Antarctica (1991-2025, ongoing)
.
Environmental Data Initiative. DOI:
10.6073/pasta/fd66a4bbf5fee9b65fc3dcdbe69d84c5
.
Dataset accessed 25 April 2025.
Dataset(s)
Variables (click to expand):
dataset_code
Label:
Dataset code
Definition:
Internal dataset code.
Type:
Nominal
Missing values:
None specified
limno_run_code
Label:
Limno run code
Definition:
Code associated with the limno run, which includes the lake's sampling location, season, and numbered run.
Type:
Nominal
Missing values:
None specified
limno_run_type
Label:
Limno run type
Definition:
Core or ancillary limno run. Core limno runs were defined in 2024 as being in one of the four main Taylor Valley lakes (Fryxell, Hoare, East Bonney, West Bonney) and having at minimum, chl-a, doc, and nutrients data associated with them.
Type:
Nominal
Missing values:
None specified
location_name
Label:
Location name
Definition:
Lake location name.
Type:
Nominal
Missing values:
None specified
location_code
Label:
Location code
Definition:
Internal lake location code.
Type:
Nominal
Missing values:
None specified
start_date
Label:
Start date
Definition:
Date on which sampling began.
Type:
Date/time
Date format:
MM/DD/YY
Missing values:
None specified
end_date
Label:
End date
Definition:
Date on which sampling ended.
Type:
Date/time
Date format:
MM/DD/YY
Missing values:
None specified
latitude
Label:
Latitude
Definition:
Latitude in decimal degrees.
Type:
Physical quantity
Unit:
degree
Maximum:
Not specified
Minimum:
Not specified
Precision:
Not specified
Missing values:
None specified
longitude
Label:
Longitude
Definition:
Longitude in decimal degrees.
Type:
Physical quantity
Unit:
degree
Maximum:
Not specified
Minimum:
Not specified
Precision:
Not specified
Missing values:
None specified
remarks
Label:
Remarks
Definition:
Remarks about the associated limno run.
Type:
Nominal
Missing values:
None specified
File:
mcmlter-lake-limno_runs-20250331.csv
(52.4 KB)
Short name:
LIMNO_RUN_CODING
Dataset ID:
39
People
Principal Investigator(s):
Cristina D. Takacs-Vesbach
John C. Priscu
Contact:
McMurdo Dry Valleys LTER Information Manager
Associated Personnel:
Field Technician
Jade Lawrence
Data Manager
Renée F. Brown
Former Field Crew
Amy Chiuchiolo
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