Details and Metadata

Printer-friendly version     View XML version    Download Ecological Metadata Language file


Methods

The methods followed in the creation of the dataset, including description of field, laboratory and processing steps, and quality control procedures

Current Methods

  • Ozone monitoring
    Started: 1987-04-01

    Ozone is recorded continuously from April 1 through September 30. Hourly average values are available for conversion to biologically relevant units.


  • Started: 1987-04-01

    Data collected at 0000 hour represents 60 minute average of data collected from 0000-00590100 would be 0100-0159, etc.

Dataset Fields

Detailed documentation of the fields comprising the dataset, including the type of measurement, units where applicable, and any controlled vocabularies or code lists present in the data


Field Name Caption Description Additional Information
24_Hour_GMT24_Hour_GMT

DateTime Date/Time Format: hh:mm
24_Hour_Local24_Hour_Local

DateTime Date/Time Format: hh:mm
AQS_Parameter_DescAQS_Parameter_Desc

Nominal
County_CodeCounty_Code


Date_GMTDate_GMT

DateTime Date/Time Format: M/D/YYYY
Date_LocalDate_Local

DateTime Date/Time Format: M/D/YYYY
DatumDatum

Nominal
Day_In_Year_GMTDay_In_Year_GMT


Detection_LimitDetection_Limit


Horizontal_AccuracyHorizontal_Accuracy


LatitudeLatitude


LongitudeLongitude


Measurement_UncertaintyMeasurement_Uncertainty

Nominal
Method_DescriptionMethod_Description

Nominal
Method_TypeMethod_Type

Nominal
Parameter_CodeParameter_Code


POCPOC


Qualifier_DescriptionQualifier_Description

Nominal
Sample_DurationSample_Duration

Nominal
Sample_FrequencySample_Frequency

Nominal
Sample_MeasurementSample_Measurement


Site_NumSite_Num


State_CodeState_Code


Unit_of_MeasureUnit_of_Measure

Nominal
Year_GMTYear_GMT

DateTime Date/Time Format: YYYY
Location IDLocation ID

Location ID

Nominal
DateDate

Date

DateTime Date/Time Format: YYYY-MM-DD
Start TimeStart Time

Start Time

DateTime Date/Time Format: hh:mm:ss
Sample valueSample value

Sample value

Interval Units:
Null Data CodeNull Data Code

Null Data Code

Ordinal

Sampling Equipment

Equipment and software used to collect data, including how that equipment was used.

Current Equipment

  • Ozone sampler

    UV Photometric Ozone sampler (US EPA Reference Method)

Site Characteristics

The spatial extent of the dataset site coverage, and descriptions of the spatial extent and context for the data collection

  • Site Description

    Underhill ozone monitoring station