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Data Object event_log
Shipboard sampling events were logged in two separate Excel spreadsheets, one for the CTD/Niskin bottle rosette package and a second for the Trace Metal (TM) rosette package.
Separate event logs were combined by the BCO-DMO to form one data file for the cruise.
BCO-DMO retrieved missing data as needed from the original deck operations bridge log.
Station 13 cast 23 longitude taken from the navigation track data.
Station 6 TMR cast 11: event 11230908 start date changed from 11/22 to 11/23 and start time entered as 0900 GMT.
| Parameter | Description | Units |
|---|---|---|
| event | dimensionless | |
| Cruise_ID | cruise iedntifier | dimensionless |
| sta | station number; generally sequential; a number designating a general geographic location at which one or more sampling activities may occur | dimensionless |
| cast | cast number | dimensionless |
| date | start date of event (GMT) | dimensionless |
| year | year of start date of event (GMT) | dimensionless |
| mon | month of year; numeric 1 to 12 | dimensionless |
| day | day of month sampling began (GMT); numeric 1 to 31 | dimensionless |
| time | time of day sampling began; reported in GMT as HHMM (hours and minutes) | dimensionless |
| time_L | time of day sampling began; reported in local time as HHMM (hours and minutes) adjusted for local time zone | dimensionless |
| TZ | timezone; the number of hours added to GMT to convert to local time (opposite of GLOBEC convention) | dimensionless |
| lon_360 | longitude, from 0 to 360 decimal degrees | decimal degrees |
| lon | longitude, in decimal degrees, East is positive, negative denotes West | decimal degrees |
| lat | latitude, in decimal degrees, North is positive, negative denotes South | decimal degrees |
| ev_code | event code; event type plus sequential number | dimensionless |
| ev_type | event type; CTD or Trace metal (TMR) | dimensionless |
| seafloor | depth of the seafloor; water depth | meters |
| activities_and_comments | activities, comments, notes pertaining to event | dimensionless |
| R/V Knorr KN192-5 |
This document is created from the content of the BCO-DMO metadata database. 2010-03-14 00:13:11
info app: /home/bco/dbase-v2 v.100108 CLC