LIMNO_LAKE_LEVELS
Description:
Manual Lake Levels
File:
Variables (click to expand):
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