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NERIES TA04

Access grants for array seismology

NORSAR, the premier seismological array in Europe and a world-leader in array seismology offers access to its facility within the EC-project NERIES.

The infrastructure at NORSAR consists primarily of a data center and field installations, consisting of different seismic arrays with apertures ranging from 1 to 75 km equipped with 1C or 3C short period or broadband sensors. NORSAR provides access to a unique database of seismic recordings from its arrays reaching back to April 1971. NORSAR's technical facilities are complemented with a group of scientists and engineers that capture 30 years of experience and world renowned research in array seismology and automatic analysis of seismic data.

By offering access to its infrastructure, NORSAR contributes within NERIES its knowledge on array seismology and automatic on-line data processing and support further developments and applications of these techniques in Europe. During the next years (until 2010), in all 25 visiting months are financed by NERIES, which are planned as about 3 visits per year, each with a duration of approximately two months.

How to apply for access grants

Applicants must be affiliated at an Institution within the EC Member States or one of the Associated States, but outside of Norway.

Proposals for visits of up to 2 months, including a description of the proposed research and a short CV, can be submitted at any time to NORSAR or the NERIES management and will be considered every three months by the user selection panel. The first panel decisions was in September 2006 and the next dead lines for panel decisions are scheduled for

15 September and 15 December 2009 and finally the last one for 15 March 2010.

Until August 2009 the following 14 research visits had been finalized:

Year	Project title	Visitor's name	Visitor's affiliation	Duration (days)
2006	Spatial variation of peak ground acceleration over short distances on data from NORSAR	Ebru Harmandar	Kandili Observatory and Earthquake Research Institute, Turkey	36
2007	ICEARRAY: Design and Data Processing of a new small-aperture accelerograph array in South Iceland	Benedikt Halldórsson	Earthquake Engineering Research Centre (EERC), University of Iceland	58
2007	Applying seismic array processing to two problems: Tremor location at volcanoes and site effect estimation	Roberto Carniel	Dipartimento di Georisorse e Territorio, Universita` di Udine, Italy	58
2007	Single small array regional localization using PMCC (ELOSV2)	Juliette Chabassier	CEA DASE / LDGDSO, France	27
2007	Array processing training and study of 3D effect of the propagation model	Korhan Semin	Kandili Observatory and Earthquake Research Institute, Turkey	65
2007	Array processing training and study of 3D effect of the propagation model	Ugur Teoman	Kandili Observatory and Earthquake Research Institute, Turkey	65
2008	Data processing of the BURAR (Romania) array	Felix Borleanu	National Institute for Earth Physics, Romania	61
2008	Green’s function retrieval from ambient seismic noise correlation at NORSAR	Michael Korn	University of Leipzig, Germany	26
2008	FINES array detector upgrade	Jari Kortström	University of Helsinki, Finland	5
2008/2009	Reduction of seismic array detection threshold using multi-channel Wiener filters	Jingbo Wang	Bullard Laboratory of the University of Cambridge	60
2009	Tuning of automatic NORSAR event detection algorithms for the TRISAR and MALE Greek seismic arrays	Nicholas Voulgaris	National and Kapodistrian University of Athens, Greece	61
2009	Detection capability and slowness-azimuth estimation characteristics of the long-period Bear-Island ocean bottom array	Frank Krüger	University of Potsdam, Germany	21
2009	Seismo-acoustic analysis of explosions	Läslo Evers	KNMI, DeBilt, The Netherlands	30
2009	Applying ambient vibration array methods to NORSAR data – looking for the causes of inter-seasonal variations in measured Rayleigh wave ellipticity	Brigitte Endrun	University of Potsdam, Germany	33