- This documents CMG's Field Activity ID formats.
- Multiple IDs may be associated with a single Field Activity.
- The Activity-ID represents an activity (usually field work) by a unique character string.
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An InfoBank Activity-ID has four components
CMG InfoBank
Field Activity ID
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P-L-YY-RR
or
P-LL-YY-RR
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Platform
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A single letter abbreviation of the platform's full name.
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Leg
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A number (1-2 alphanumerics) corresponding to a "cruise" or "leg" for a particular platform in a particular year.
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Year
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The last two digits of the year the activity started.
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Region
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A 2-letter abbreviation of the general activity area.
Disclaimer
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Ex: J-4-92-SF or J492SF
J = platform ("Johnston" or "Jordan")
4 = leg (4th cruise for this platform in 1992)
92 = year (1992)
SF = region (San Francisco area)
- Each component can be separated by a hyphen.
Ex: J-4-92-SF and J492SF represent the same activity.
The hyphenated Activity-ID is preferable for readability and is used as the first component in file names.
The non-hypendated Activity_ID version is for convenience and is used for directory names.
Unsure of what letter to use for the platform component? --
check defined platforms.
Unsure of what letters to use for the region component? --
check defined regions.
Unsure of what naming convention to use for a geodetic survey? --
check defined geodetic Activity-ID names.
Unsure of what thumbnail map boundary limits to use for the Activity ID? --
check thumbnail boundary limits.
Constructing a new ID rarely conflicts with an existing ID.
If this occurs, first consider using an alternate "region" component.
If it still conflicts, contact
InfoBank staff for advice and assistance.
For example, below is a list of some of the activities within the USGS CMG InfoBank:
F-1-88-SC or F188SC = Farnella, Leg 1, 1988, Southern California
F-12-88-NC or F1288NC = Farnella, Leg 12, 1988, Northern California
J-3-82-TB or J382TB = Johnston, Leg 3, 1982, Tomales Bay
L-3-80-NP or L380NP = Lee, Leg 3, 1980, North Pacific
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Modified CMG InfoBank Activity ID for Geodetic Surveys
CMG InfoBank
Field Activity ID
for Geodetic Surveys
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S-S#-YY-RR
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Site
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A 2-letter abbreviation of the site's full name.
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Count
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A sequentially assigned counter (1..9, then A..Z) for each visit to a site in a particular year.
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Year
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The last two digits of the year the activity started.
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Region
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A 2-letter abbreviation of the general activity area.
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Standardized CMG InfoBank Activity ID Pseudonyms exist for:
Woods Hole
Science Center
Field Activity ID (new)
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YYYY-###-FA
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Year
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The 4-digit year the activity started.
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Number
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A 3-digit, sequentially assigned data source serial number.
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Data Source
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A 2-character data source code
(FA = Field Activity).
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Woods Hole
Science Center
Field Activity ID (old)
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YY###
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Year
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The last two digits of the year the activity started.
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Number
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A unique, sequentially assigned 3-digit number.
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Woods Hole
Science Center
AKA (old)
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PPPPYY###
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Platform
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4-character platform ID
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Year
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The last two digits of the year the activity started.
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Number
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A unique, sequentially assigned 3-digit number.
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CMG
Geodetic
Total Station ID
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YYMMDDO
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Year
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The last two digits of the year the activity started.
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Month
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2-digit month number.
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Day
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2-digit day number.
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Order
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A single letter representing the sequential order of sites visited that day (e.g., A=1st, B=2nd, C=3rd...)
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St. Petersburg
Science Center
Field Activity ID
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YYPPP##
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Year
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The last two digits of the year the activity started.
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Project
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3-letter abbreviation for the project the data were collected for.
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Event
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2-digit event tag representing a discreet leg or time period of fieldwork.
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"We all have the extraordinary coded within us, waiting to be released." --
Jean Houston
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