Seismic Array ObservationSeismic Array ObservationIn IGGCASIn IGGCAS

Yinshuang Ai Weiwei Xu

Institute of Geology and Geophysics,Chinese Academy of Sciences (IGGCAS)

2007.10.21

Seismic Equipment in IGGCASSeismic Equipment in IGGCAS

information for deploymentinformation for deployment

Data SharingData Sharing

Requirements in Data SharingRequirements in Data Sharing

Outline

Seismic array Lab in IGGCAS

Objective: comprehensive understanding of the deep structure and tectonic processes of the Chinese continent by Seismic Array Methods

Objective: comprehensive understanding of the deep structure and tectonic processes of the Chinese continent by Seismic Array Methods

Sensors 272 CMG-3ESP （ 30s-50Hz ） 152CMG-3T (120s-50Hz) 18STS-2 (120s-50Hz) 2BKD-2 (20s-40Hz) 100

Dtat processingWorkstations 　　 sunUltra60 SUNfire 880

Disk Array LEC ( 440GB ) SUN ( 600GB ) LC ( 1.7 TB )

digitizers 272Reftek 72-08A 50Reftek 130-1 120Q330 2DS24-3A 45DS24-3B 55

Seismic EquipmentSeismic Equipment

Seismic array Lab in IGGCAS

Portable Seismic Observation

557 stations, 4TB raw data (2000,11-2007,10)

CEA 10 2004,07-2005,08

MOST 35 2001,08-2002,12

NSFC 7 2004,04-2005,11

NSFC 58 2002,12-2004,07

MOST 123 2000,10-2003,03

CAS 57 2003,04-2004,10

NSFC 27 2004,05-2005,04

2005,04-2007,06

CAS 15 2005,09-2006,09

NSFC 60 2007,09-2008,09

NSFC 20 2005,05-2006,05

NSFC 50 2005,09-2006,09

MOST 1 2001,10-2002,10

NSFC 65 2006,12-2008,04

CAS 29 2006,08-2007,07

--information for deployment--information for deployment

Installation

installation

Seismic array Lab in IGGCAS

Regulations for Equipment and Data useRegulations for Equipment and Data use

• Application Form

• Protocol

• Field Status Form

• Data Sharing

- three years priority for PI

- then open

Detail information for Some ExperimentsDetail information for Some Experiments

Data sharing

Test version ， open: Aug, 2007Only SAC Format, two Experiments www.seislab.cn/data

Requirements in Data SharingRequirements in Data Sharing

Continuous Data releasedData FormatQuality ControlData Base Construction

Many Thanks !Many Thanks !