eVIIRS Global LST Data Dictionary Active

Agency

 

Field Definition:  The U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center is the organization responsible for maintenance and distribution of this data collection.

Begin Date

 

Field Definition:  The first day of data acquisition for the source data at the start of the collection period. The begin date and end date are used to indicate the date range for the product.

Coordinates Decimal Degrees

 

Field Definition:  The latitude and longitude are provided in decimal degrees for the following fields:

Values:

Scene Center Latitude and Longitude

Northeast (NE) Corner Latitude and Longitude

Northwest (NW) Corner Latitude and Longitude

Southeast (SE) Corner Latitude and Longitude

Southwest (SW) Corner Latitude and Longitude

 

Latitude Format Decimal Degrees: -90.000 through 90.000

Longitude Format Decimal Degrees: -180.000 through 180.000

 

Number of decimal places will vary by dataset – check collection in EE.

Coordinates Degrees, Minutes, Seconds

 

Field Definition:  The latitude and longitude are provided in degrees, minutes, and seconds for the following fields:

Values:

Scene Center Latitude and Longitude

Northeast (NE) Corner Latitude and Longitude

Northwest (NW) Corner Latitude and Longitude

Southeast (SE) Corner Latitude and Longitude

Southwest (SW) Corner Latitude and Longitude

 

Longitude Format:

DDDMMSS.SSH

DDD = Degree(s) with a range of 0 through 180

MM = Minute(s) with a range of 0 through 59

SS.SS = Second(s) with a range of 0 through 59.99

H = Hemisphere with E for east and W for west

 

Latitude Format:

DDMMSS.SSH

DD = Degree(s) with a range of 0 through 90

MM = Minutes(s) with a range of 0 through 59

SS.SS = Second(s) with a range of 0 through 59.99

H = Hemisphere with N for north and S for south

End Date

 

Field Definition:  The last day of data acquisition for the source data at the end of the collection period. The begin date and end date are used to indicate the date range for the product.

Entity ID

          Field Definition:  The naming convention of each file is based on product attributes.

Format:

EVGLSTS20200701202007106

 

EV = Dataset Designator (eVIIRS)

GLST = Global Land Surface Temperature

P = Platform: SUOMI NPP

YYYYMMDD = Begin date of cycle

yyyymmdd= End date of cycle

V = Version of source data

Example:

EVGLSTS20200701202007106

Map Projection

          Field Definition:  The method of representing the surface of the earth on a plane using grid lines of latitude and longitude.

Platform

          Field Definition:  The Terra and Aqua satellites carry the MODIS sensor.

Sensor

          Field Definition:  The Visible Infrared Imaging Radiometer Suite (VIIRS) sensor is the instrument used to acquire the data.

Version

          Field Definition:  The version of MODIS source data used to create the product. The original eMODIS Global LST data set was processed using MODIS Version/Collection 5 source data.