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PMEL Argo Float Laboratory: Data Management and Visualization. Willa Zhu Donald Denbo Greg Johnson Elizabeth Steffen. System Design. Data Management and Visualization. Instrument Management and Testing. ARGOS. Web Interface. Data Processing Procedure. FloatLab. PostgreSQL. MySQL.

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pmel argo float laboratory data management and visualization

PMEL Argo Float Laboratory:Data Management and Visualization

Willa Zhu

Donald Denbo

Greg Johnson

Elizabeth Steffen

system design
System Design

Data Management and Visualization

Instrument Management and Testing

ARGOS

Web Interface

Data Processing

Procedure

FloatLab

PostgreSQL

MySQL

Matlab

Data Server

PMEL Argo Float Processing: Data Management and Visualization

argo float data and database
ARGO FLOAT Data and Database
  • PostgreSQL database is used
  • Raw message and header info are stored
  • Temperature, salinity, position and other data are parsed and stored
  • Currently data from total 171 floats are stored and new data will be added

PMEL Argo Float Processing: Data Management and Visualization

data processing
Data Processing
  • A set of basic database tables need to be created and an “active” flag to be switched on for a new float
  • Automated Procedures (a set of Perl scripts) running daily to update data
  • Preliminary data QC

PMEL Argo Float Processing: Data Management and Visualization

automated procedures
Automated Procedures
  • Retrieve data/messages from Argos Service, Inc. (Perl telnet library used)
  • Load all unique raw messages to database
  • Select good messages (error checking)
  • Parse (good) raw messages and store parsed data to database
  • Update several basic maps for web interface

PMEL Argo Float Processing: Data Management and Visualization

data server
Data Server
  • Serve data via web
  • Application and Tools:
    • PHP (database access, backend programs running and dynamic web presentation)
    • Perl/GMT Graphic Tool (profile and map plot)
    • Java Graphic Application (section plot)
    • C program/EPIC (convert to netCDF)

PMEL Argo Float Processing: Data Management and Visualization

web data access
Web Data Access
  • List Data:
      • Profile Summary
      • Profile data
      • Engineering Data
      • Location information
  • Plot Data:
      • Profile Plot
      • Vertical Section Plot
      • Engineering Data Plot
      • Float Trajectory

PMEL Argo Float Processing: Data Management and Visualization

slide8

Argo Profiling CTD Floats Web Page

PMEL Argo Float Processing: Data Management and Visualization

web interface map geo selection
Web Interface - Map/Geo Selection
  • Mouse-drag a box to select geo-area and corresponding corner location is reflected in the lon/lat text field (CSS)
  • Mouse-over a float to display float info (CSS)
  • Floats are presented in different colors to distinguish last message receiving date
  • Options to draw trajectory and board number on map

PMEL Argo Float Processing: Data Management and Visualization

web interface list selection
Web Interface - List Selection
  • Sort float list in due date, float ID, WMO-ID, start Date, etc
  • Hyper link to plot and list data
  • Options to list active, inactive or all floats

PMEL Argo Float Processing: Data Management and Visualization

slide11

Argo Profiling CTD Floats Web Page

PMEL Argo Float Processing: Data Management and Visualization

slide12

Geo-Selection

PMEL Argo Float Processing: Data Management and Visualization

slide13

Geo-Selection

PMEL Argo Float Processing: Data Management and Visualization

slide14

Geo-Selection

PMEL Argo Float Processing: Data Management and Visualization

slide15

List-Selection

PMEL Argo Float Processing: Data Management and Visualization

slide16

Profile Summary

PMEL Argo Float Processing: Data Management and Visualization

slide17

Profile Data Listing

PMEL Argo Float Processing: Data Management and Visualization

slide18

Profile Location Information

PMEL Argo Float Processing: Data Management and Visualization

slide19

Engineering Data Listing

PMEL Argo Float Processing: Data Management and Visualization

slide20

Profile Plot:

  • P vs. T & Sal (single)
  • T vs. Sal (all)
  • Theta vs. Sal (all)

PMEL Argo Float Processing: Data Management and Visualization

slide21

Vertical Section Plot:

  • Temperature
  • Potential Temperature
  • Salinity
  • Potential Density

PMEL Argo Float Processing: Data Management and Visualization

slide22

Engineering Data Plot:

  • Battery
  • Piston Position
  • Current
  • Select Variable

PMEL Argo Float Processing: Data Management and Visualization

slide23

Float Trajectory Plot

PMEL Argo Float Processing: Data Management and Visualization

summary
Summary
  • Automated data update procedure offers an efficient tool to retrieve and manage the data.
  • Dynamic HTML implementation makes the data selection easy.
  • The Argo Float data management system and visualization web interface provide an easy and convenient way for scientists to access Argo Float data.

PMEL Argo Float Processing: Data Management and Visualization