Job: Consultant - Updating the Infrasound Reference Event Database

Location: Vienna
Closing Date: Tuesday, 10 December 2013

Assignment:

Under the supervision of the Acoustic Officer, Scientific Methods (SM) Unit, Software Application (SA) Section, International Data Centre Division (IDC), to: Update the Infrasound Reference Event Database (IRED):

• The Consultant primary task will be to build and re-analyze the Late Event Bulletin (LEB) containing infrasound arrivals for the period 2010 - 2011 with the infrasound analysis toolkit (Geotool, Geotool-PMCC and InfraNet webpage);
• The events should be incorporated in the IRED with the support of Perl and SQL scripts (made available by IDC/SA/SM), based on current documentation and IDC/SA guidance;
• The emphasis will be on the validation of events with external sources as often as possible in order to improve the quality of the database. Non-validated LEB with infrasound arrivals should be saved in a new category of the IRED (subset named: LEB);
• When deemed necessary, the consultant will input corrections in the IRED as indicated by IDC/SA;

Infrasound campaigns analysis:

• Process the available data from the Provisional Technical Secretariat (PTS) infrasound portable array campaigns in Finland, Japan, Chile and the Mediterranean region using the IDC infrasound processing software;
• Analyze results and merge with primary task, where possible;
• Provide recommendations to IDC/SA on the IDC infrasound processing algorithm and infrasound analysis toolkit;

Other infrasound tasks:

• Perform other infrasound tasks as required by IDC/SA during the course of the consultancy;

Documentation and reporting:

• The IRED documentation provided to IRED users should be updated according to the modifications and updates obtained from primary task;
• Summarize the content of the IRED, extract its main features and assess. Summarize each subset categories and their results in the same manner;
• The Consultant should also work on identifying potential areas for improvement of the IRED and its overall quality. The improvement should be summarized in a document and submitted to IDC/SA staff, prior to their possible implementation in the IRED;
• Prepare monthly reports for each task;

Perform other, related operational duties as necessary.

Qualifications:

1. Advanced university degree in Geophysics or related field;
2. At least 5 years of relevant experience in infrasound processes and technology;
3. Knowledge of seismo-acoustic signals and infragenic sources. Basic notions about infrasound wave propagation in the atmosphere that affects the detected signals at IMS stations is desired;
4. Knowledge of IDC software for interactively reviewing seismo-acoustic data from the International Monitoring System (IMS) network, especially the Analyst Review Station (ARS) and Geotool-PMCC software;
5. Experience in the fusion of multiple waveform technologies, particularly using infrasound data in combination with seismic and hydroacoustic results;
6. Experience working with Oracle database. Experience with SQL and Perl. Knowledge of the IDC database structure is desired;
7. Knowledge of the structure and physics of the atmosphere is desired;
8. Excellent written and oral communication skills in English essential. Working knowledge on one of the other official languages of the CTBTO Preparatory Commission an asset.

Competencies:

Conscientious and efficient in meeting commitments, observing deadlines and achieving results and be able to work independently with minimum supervision. Very good skills in communicating with people from different backgrounds and demonstrated ability to work in a multicultural environment.

More Info and Application