EMSEV EMSEV- - DEMETER JOI NT W ORKSHOP I GRA DEMETER JOI NT W ORKSHOP I GRA SI NAI A, ROMANI A Bucharest SI NAI A, ROMANI A Bucharest Septem ber 7 - - 1 2 , 2 0 0 8 1 2 , 2 0 0 8 Septem ber 7 GROUND - GROUND - BASE MONITORING SYSTEM FOR BASE MONITORING SYSTEM FOR BASE MONITORING SYSTEM FOR GROUND GROUND BASE MONITORING SYSTEM FOR THE NA THE NATUR TURAL HAZAR L HAZARDS ASSESMENT D ASSESMENT DUE TO E TO THE NA THE NATUR TURAL HAZAR L HAZARDS ASSESMENT D ASSESMENT DUE TO E TO LANDSLIDE ACTIVITY LANDSLIDE ACTIVITY LANDSLIDE ACTIVITY LANDSLIDE ACTIVITY D. A. STANI CA, D. STANI CA and C. DI ACOPOLOS D. A. STANI CA, D. STANI CA and C. DI ACOPOLOS Institute of Geodynamics of the Romanian Academy Institute of Geodynamics of the Romanian Academy Bucharest – – Romania, E Romania, E- - mail: armand@geodin.ro mail: armand@geodin.ro Bucharest
OUTLINE: OUTLINE: OUTLINE: OUTLINE: Landslides related t Landslides related to seismic events seismic events Landslides related t Landslides related to seismic events seismic events 1. variables, indices and indicators for landslides; 1. variables, indices and indicators for landslides; 2. implementation and continuous improvement of the 2. implementation and continuous improvement of the real- real -time ground base monitoring system depending time ground base monitoring system depending on the landslide test sites conditions; on the landslide test sites conditions; 3. innovation in integrated geo- -sensors structure for sensors structure for 3. innovation in integrated geo netw ork conditions; netw ork conditions; 4. real time signals processing for pattern recognition 4. real time signals processing for pattern recognition in “ “pre disaster pre disaster” ” and and “ “at disaster at disaster” ” circumstances; circumstances; in 5. assessment and quantification of the geodynamic 5. assessment and quantification of the geodynamic precursory parameters related to the landslide precursory parameters related to the landslide phenomena; phenomena; 6. provision of early- -w arning against the risk arising w arning against the risk arising 6. provision of early from landslide process. from landslide process.
Variables, indices and indicators Variables, indices and indicators for Landslides for Landslides Variables Indices Indices Indicators • Geophysical • Tim e series distribution of • Anom alous behavior • • l: : electrom agnetic electrom agnetic Tim e series distribution of Anom alous behavior ρ ρ ( perpendicular ( perpendicular resistivity resistivity - - , , parallel parallel the geophysical, geological, the geophysical, geological, of of the the geophysical, geophysical, ┴ ┴ - ρ ρ resistivity resistivity - , skew , strike, the hodograph , skew , strike, the hodograph geotechnical geotechnical and and clim ate clim ate geological, geotechnical geological, geotechnical ║ ║ of the im pedance tensor) , DC- - electric electric param eters; and clim ate of the im pedance tensor) , DC param eters; and clim ate • Statistical • ( apparent ( apparent resistivity) resistivity) and and geom agnetic geom agnetic Statistical distribution distribution of of param eters; param eters; • • Real ( Bzn) ; historical events; Real ti m e ( Bzn) ; historical events; tim e • Geological • Arial • and geotechnical: : lithological lithological Arial and frequency- - size size quantification an d and frequency quantification and and structural features, tectonics, position and structural features, tectonics, position distribution of landslides; distribution of landslides; hierarchy hierarchy of of all all the the • Frequency of earthquakes • of m orphological characteristics, terrain Frequency of earthquakes variables in order to of m orphological characteristics, terrain variables in order to gradient, gradient, internal internal friction friction angle, angle, bulk bulk and and tectonic tectonic processes processes evaluate evaluate the the risk risk density, plastic and liquid lim it, particle size density, plastic and liquid lim it, particle size associated ( active faults) ; associated ( active faults) ; factors factors and and • I dentification of regularities • distribution, soil pH, etc.; I dentification of regularities vulnerability; distribution, soil pH, etc.; vulnerability; • Hydro • Population, • geological: : groundw ater levels groundw ater levels or irregularities of events or irregularities of events Population, socio- socio - characteristics, fluctuation and im pact on w hich m ight facilitate econom ic and natural characteristics, fluctuation and im pact on w hich m ight facilitate econom ic and natural the slope stability; prediction; environm ent exposed the slope stability; prediction; environm ent exposed • Vegetation: • Changes in landscape of the • : im pact of vegetation on slope im pact of vegetation on slope Changes in landscape of the to the landslides; to the landslides; • • Loss stability, tim ber harvest im pact, etc. affected areas. Loss of hum an and stability, tim ber harvest im pact, etc. affected areas. of hum an and • Climate: tem perature, tem perature, frequency frequency and and socio socio- - econom ic econom ic values values intensity of the rains and storm s short and intensity of the rains and storm s short and exposed to the risk. exposed to the risk. intense events; intense events;
Real- -time ground base time ground base Real monitoring system monitoring system Satellite C entral System for and Processing Geological Diagnose and data Decision RTG-BMS MAG-03 LAB-VIEW ADU - 06 RESISTIVI- DAM 16bit 24bit METER 24bit INTEL V3 Electric Electric Electric Crustal and field and movements sensors magnetic magnetic sensors DC field field sensors sensors (high and (low low frequency) frequency)
Data acquisition module for Data acquisition module for Data acquisition module for Data acquisition module for Satellite C entral System for and Processing Geological Diagnose and data Decision GeoElectric field GeoElectric field field GeoElectric GeoElectric field RTG-BMS Fieldw ork Configuration Fieldw ork Configuration Fieldw ork Configuration Fieldw ork Configuration MAG-03 LAB-VIEW ADU - 06 RESISTIVI- DAM 16bit 24bit METER 24bit INTEL V3 Electric Electric Electric field and Crustal and movements sensors magnetic magnetic sensors DC field field sensors sensors (high and (low low frequency) frequency) Resistivimeter (INTEL V3, Romania) Resistivimeter (INTEL V3, Romania) is compact and is compact and Resistivimeter (INTEL V3, Romania) Resistivimeter (INTEL V3, Romania) self- -contained thanks to an integrated receiver and contained thanks to an integrated receiver and self transmitter, w ith internal memory of 64 K, sampling transmitter, w ith internal memory of 64 K, sampling rate of 0.2s, output pow er up to 200mA, rate of 0.2s, output pow er up to 200mA, communication trough serial interface enhanced by communication trough serial interface enhanced by utility softw are for Window s utility softw are for Window s
Data acquisition module for continuous Data acquisition module for continuous Data acquisition module for continuous Data acquisition module for continuous monitoring of monitoring of the Geomagnetic f the Geomagnetic field ield monitoring of the Geomagnetic f monitoring of the Geomagnetic field ield Geomagnetic System Configuration MAG MAG MAG MAG- -03DAM 03DAM 03DAM 03DAM acquisition module acquisition module acquisition module acquisition module 3 axes 6 channel, 24 bit 6 channel, 24 bit magnetic sensor resolution, sampling resolution, sampling Frequency rate programmable, rate programmable, range: 3kH-DC internal and external internal and external battery of 12 V , data battery of 12 V , data storage on laptop HD; storage on laptop HD; Satellite C entral System for and Processing Geological Diagnose and data Decision RTG-BMS MAG-03 LAB-VIEW ADU - 06 RESISTIVI- DAM 16bit 24bit METER 24bit INTEL V3 Electric Electric Electric and Crustal field and movements sensors magnetic magnetic sensors field DC field sensors sensors (high and (low low frequency) frequency)
Satellite C entral System for and Processing Geological Diagnose and data Decision RTG-BMS MAG-03 LAB-VIEW ADU - 06 RESISTIVI- DAM 16bit 24bit METER 24bit INTEL V3 Electric Electric Electric Crustal field and and movements sensors magnetic magnetic sensors DC field field sensors sensors (high and (low low frequency) frequency)
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