Canadian Argo Data Flow

OSD is responsible for the acquisition of the data from the Canadian profiling floats and the provision of the data to clients and principle investigators. This document describes briefly the various inputs received by OSD, gives some idea of the processing carried out, and OSD outputs.

Profile Data
Input	OSD Processing	Output	Frequency
Raw files from Service Argos	Data assembly, automatic QC	Data to GTS	6 hours
		To principle investigators	6 hours
		To Argo servers	6 hours
Real-time data from GTS	QC, duplicates processing	Update OSD archives	3 times a week
		Report to Argo Information Centre	every working day
		Update OSD Canadian web pages	every day
		Update OSD global pages	every month
		Send data to clients1	3 times a week
Delayed mode data from Canadian PIs	QC, duplicates processing	Update OSD archives	maximum of 90 days delay from observation date
		Data to Argo servers	maximum of 90 days delay from observation date
		Send data to clients	maximum of 90 days delay from observation date

Drift Data
Input	OSD Processing	Output	Frequency
Raw files from Service Argos	Data assembly, automatic QC	Update OSD archives	every 6 hours
		Send data to Argo servers	every 6 hours
Data from Canadian PIs	QC, duplicates processing	Update OSD archives	maximum of 90 days delay from observation date
		Data to Argo servers	maximum of 90 days delay from observation date
		Send data to clients	maximum of 90 days delay from observation date

Notes

1. A more frequent delivery of data to clients is possible as demand requires. In addition, the data from the Canadian floats will all be available to download from the OSD Argo web pages.

Last updated: Jan, 2001