ANCILLARY_SNYDER_IODINESED

This is the description of the spreadsheet fo the iodine study, with columns description and units used

File: 

...or query the dataset by variables and dates of interest:

Variables
DATASET_CODE
  • Label:
  • Definition: Table Identifier
  • Type: Nominal
  • Missing values: None specified
LOCATION_NAME
  • Label: Location Name
  • Definition: Name of lake where measurement was made
  • Type: Nominal
  • Missing values: None specified
Location_Type
  • Label:
  • Definition: Sample type description and/or location
  • Type: Nominal
  • Missing values: None specified
Sample_ID
  • Label:
  • Definition: Sample identification code
  • Type: Nominal
  • Missing values: None specified
Latitude
  • Label:
  • Definition: Sample Latitude
  • Type: Physical quantity
  • Unit: degree
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • Null = None given
Longitude
  • Label:
  • Definition: Sample Longitude
  • Type: Physical quantity
  • Unit: degree
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • Null = None given
Date_time
  • Label:
  • Definition: Date sample was collected
  • Type: Date/time
  • Date format: mm/dd/yyyy
  • Missing values: None specified
Depth (m)
  • Label:
  • Definition: Average sediment depth in centimeters below the lake floo
  • Type: Physical quantity
  • Unit: centimeter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • Null = None given
I(umol/kg)
  • Label:
  • Definition: Total sedimentary iodine content in micromoles per kilogram
  • Type: Physical quantity
  • Unit: umol/kg
  • Maximum: 545
  • Minimum: 2.32
  • Precision: Not specified
  • Missing values:
    • NULL = None given
I(umol/kg)
  • Label:
  • Definition: Total dissolved iodine in micromoles per kilogram
  • Type: Physical quantity
  • Unit: umol/kg
  • Maximum: 8.109
  • Minimum: 0.004
  • Precision: Not specified
  • Missing values:
    • NULL = None given
129I/I(E-15)
  • Label:
  • Definition: Molar ratio of I-129 to total iodine (10^-15)
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: 12929
  • Minimum: 216
  • Precision: Not specified
  • Missing values:
    • NULL = None given
+/-129I/I(E-15)
  • Label:
  • Definition: 1-sigma error in molar ratios of I-129/I-127 (10^-15)
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: 3454
  • Minimum: 49.02
  • Precision: Not specified
  • Missing values:
    • NULL = None given
129I(at/uL)
  • Label:
  • Definition: Concentration of I-129 in atoms per microliter
  • Type: Physical quantity
  • Unit: at/uL
  • Maximum: 142.7
  • Minimum: 0.39
  • Precision: Not specified
  • Missing values:
    • NULL = None given
+/-129I(at/uL)
  • Label:
  • Definition: 1-sigma error for I-129 concentration
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: 38.07
  • Minimum: 0.09
  • Precision: Not specified
  • Missing values:
    • NULL = None given
Data Source Details

Header lines: 

27

Orientation: 

Column

Quote character: 

"

Field delimiter: 

,

Record delimiter: 

\n