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SmartGeo 
Bonifiche 
7-11-2014 
SmartGeo
SmartGeo 
Il ruolo della prospezione geofisica nella 
caratterizzazione del sito contaminato: 
concetti generali, potenzialita’, 
problematiche e sviluppi recenti
Il progetto SmartGeo 
In questo progetto il CRS4 si propone di mettere 
in connessione le capacita’ modellistiche, 
informatiche e computazionali dei suoi 
ricercatori con la competenza delle aziende 
coinvolte, e di ingegnerizzare gli applicativi 
sperimentali sviluppati nel progetto Grida3, fino 
ad ottenere un prodotto professionale che 
soddisfi le esigenze reali di un utilizzatore
Il progetto SmartGeo 
• WP1 Informazione e formazione: diffusione e 
discussione dei risultati ottenuti dal CRS4 nel campo 
delle tecniche id imaging near-surfce (GPR e sismica a 
riflessione) 
• WP2 Dalla realta’ alle specifiche: ascolto delle 
esigenze pratiche e delle specifiche richieste delle 
aziende coinvlte nel cluster. 
• WP3 Costruire il prodotto: implementazione 
dell’applicativo di analisi dati. In questa fase si 
implementeranno le caratteristiche scaturite in fase di 
analisi.
Seismic reflection data acquisition 
Gestore di Risorse Condivise per Analisi di 
Dati e Applicazioni Ambientali
GPR data 
Multi-offset GPR data: 
Aim: monitoring of water content and water 
conductivity 
Target depth: 0 - 5 m 
2D line: length 55 m 
RAMAC/GPR CU II with MC4 + 
4 unshielded 200 Hz antennas 
Number of sources: 546 
Source spacing: 0.1m 
Number of receivers: 28 
Receiver spacing: 0.2 m 
Maximum offset: 0.6 m
SR/GPR data: Fields of application 
Environmental EEEnnnvvviiirrrooonnnmmmeeennntttaaalll eeeennnnggggiiiinnnneeeeeeeerrrriiiinnnngggg:::: 
 Detection of problematic solid-waste in dumping grounds 
 Control of the topography of the impermeable basement 
SSSSeeeeiiiissssmmmmiiiicccc aaaannnndddd ggggeeeeooootttteeeecccchhhhnnnniiiiccccaaaallll eeeennnnggggiiiinnnneeeeeeeerrrriiiinnnngggg:::: 
 Characterization of landslides on slopes proximal to the 
Gestore di Risorse Condivise per Analisi di 
Dati e Applicazioni Ambientali 
ground rupture 
 Evaluation of the seismic local response 
HHHHyyyyddddrrrrooooggggeeeeoooollllooooggggyyyy:::: 
 Identification of aquifer boundaries 
 Estimation of hydrological parameters (porosity, fluid 
content, etc.)
Modelli a confronto 
Prospezione geologica 
per la ricerca di 
idrocarburi 
 Indagine geofisica su 
larga scala 
 Perforazioni guidate dai 
risultati geofisici 
 I pozzi sono costosi 
rispetto alla prospezione 
geofisica 
Caratterizzazione di siti 
contaminati 
 Lo scavo serve spesso 
come strumento di 
esplorazione primario 
 La geofisica, se e' usata, 
arriva in un secondo 
tempo se i dati di pozzo 
sono inadeguati
Modelli a confronto 
Flusso di lavoro per la prospezione di idrocarburi: 
Prima fase: indagine geofisica su larga scala che 
fornisce una copertura laterale e una continuita’ che 
permettono di interpretare la situazione geoologica e di 
individuare le zone bersaglio 
Seconda fase: campagna di perforazione intensive nei 
bersagli individuati, accompagnate o meno da ulteriori 
indagini geofisiche piu focalizzate su particolari regioni. 
Motivazione: la perforazione dei pozzi e’ molto piu’ 
costosa rispetto all’esplorazione geofisica.
Modelli a confronto 
Perche questo approccio differente? 
 Spesso i site manager hanno una formazione 
ingegneristica e sono meno propensi all'uso dei dati 
geofisici 
 L'economia della caratterizzazione dei siti inquinati e' 
guidata da interessi punitivi o dalla paura delle 
eventuali sanzioni 
 l'esplorazione petrolifera e' guidata dal guadagno --- 
maggiore propensione al rischio
Modelli a confronto 
L'applicazione di tecniche geofisiche per la 
caratterizzazione di siti inquinati comporta: 
 Rilevanti vantaggi in termini tecnici ed 
economici 
 Maggiore complessita’ nella gestione dei dati 
 Necessita’ di conoscenze interdisciplinari
• Figure 1. Image of the land surface at OU-1 and underlying clay aquitard 
surface. Borehole and CPT positions (shown in blue) form a veritable well 
forest.
• Figure 2. Electromagnetic wave propagation velocity as a function of NAPL 
concentration and porosity. As the mixture grades from full water saturation to full 
NAPL saturation, the velocity may increase by a factor of 3.
• Figure 3. (a) 3D map of the clay 
aquitard surface constructed from a 3D 
multi-offset GPR survey designed to 
investigate the bowl-shaped topographic 
low adjacent to well U1-072. 
• (b) Clay surface with the upper surface 
of a high-velocity zone that forms an 
umbrella over the topographic low. 
Subsequent borehole sampling showed 
NAPL concentrations as high as 4% 
within the high-velocity zone.
• Figure 4. (a) GPR coverage over 
site OU-1: heavy blue lines show 
locations where the clay aquitard 
could be identified, red indicates 
the location of multi-offset 
profiles. 
• (b) Clay aquitard map derived 
from GPR measurements and 
boreholes showing a complex 
system of paleochannels that 
drain toward the southwest 
during low water-table 
conditions. 
• (c) Clay aquitard map derived 
from wells alone which does not 
adequately characterize the 
channel system.
• Figure 5. Map of the four areas identified for detailed multi-offset investigation. 
Anomaly lines cross features similar to those shown in Figure 3. Area 3 is focused 
on the deepest paleochannel present at the site. Black dots show previous well 
locations.
• Figure 6. (a) CDPs along line 
A3L1 (Figure 5) showing 
heavy contamination with air 
waves scattered from out-of-plane 
fences (horizontal events 
in the upper set of CDPs). 
• (b) Prestack f-k filtering is 
effective for removing air-wave 
noise.
• Figure 7. (a) Standard 
common-offset radar image of 
line A3L1 (Figure 5) that is 
heavily contaminated with out-of- 
plane air-wave scatter. 
• (b) Stacking alone cannot 
adequately attenuate the air-wave 
noise. 
• (c) Prestack f-k filtering in the 
CDP domain virtually removes 
all air-wave noise revealing 
the base of the paleochannel.
• Figure 8. The upper image shows the 
PSDM result along Line A3L3 
(Figure 5). The deep channel in the 
clay surface is partially filled with 
water. 
• The zone of anomalous reflectivity 
1–2 m above the water table is 
associated with a high-velocity zone 
shown in the lower image. 
• This zone was later found to have a 
substantial LIF anomaly and up to 
5% volumetric LNAPL 
contamination.
• Figure 9. The upper image shows 
the prestack depth-migrated 
section along line ANL4 (Figure 
5). 
• The clay depression with low-amplitude 
overlying reflectivity 
was targeted for further 
investigation. The lower image 
show the results of reflection 
tomograpy. 
• A high-velocity zone lying within 
the clay depression correlated with 
a LIF anomaly and indicates 
possible NAPL contamination.
Eiagrid 
Il contributo del CRS4 
 Il gruppo di geofisica computazionale del CRS4 
ha lavorato per molti anni allo sviluppo di codici 
di calcolo per l'analisi dei dati sismici per la 
prospezione di idrocarburi. 
 Nel progetto Eiagrid ha sviluppato, in 
collaborazione con il Dicaar (G.P. Deidda) una 
infrastruttura di calcolo che: 
 minimizza le risorse software  hardware 
richieste all'utilizzatore per una acquisizione 
dati SR/GPR efficace.
Eiagrid 
 ...consente un controllo di qualita in quasi real-time 
sui dati acquisiti e una ottimizzazione dei 
parametri di acquisizione anche per utenti 
meno esperti; 
 …fornisce risultati accurati utilizzando algoritmi 
di imaging data driven implementati con 
metodologie di high performance computing; 
 facilita la collaborazione remota e la creazione 
di database integrati per gli studi di problemi 
ambientali.
Grida3, 
Shared 
Resources 
Manager for 
Environmental 
Data Analysis 
and 
Applications 
The Grida3 portal aims at supporting 
problem solving and decision making 
by integrating 
resources for 
communication 
computation 
data storage 
software for 
simulation 
inversion 
visualization 
and human know how 
into a grid computing platform for 
Environmental Sciences 
APPLICATIONS 
GIS Tools 
EIAGRID 
EIAGImaRgiInDg 
Service 
Secure access Infrastructure User Interfaces 
TECHNOLOGIES 
Meteorology 
Hydrology 
Site 
Remediation 
Geophysical 
Imaging
The EIAGRID Portal 
Main Objectives 
Creating a grid computing environment for in-field QC and 
Optimization of SR/GPR data acquisition by: 
1. Providing a web-browser-based user 
interface easily accessible from the field 
2. On-the-fly processing of the seismic field 
data using a remote GRID environment 
3. Fast optimization of data analysis and 
imaging parameters by parallel processing 
of alternative workflows 
Gestore di Risorse Condivise per Analisi di 
Dati e Applicazioni Ambientali
The EIAGRID Portal 
Main Objectives 
Creating a data grid environment to facilitate analysis  
decision making in integrated multi-disciplinary studies by: 
1. Providing a flexible and customizable 
data grid management architecture 
using iRODS 
2. Georeferencing the data using Geo 
Information System (GIS) 
technologies 
3. Interconnecting the different types of 
data by mesh-generators and data 
crossing techniques 
Gestore di Risorse Condivise per Analisi di 
Dati e Applicazioni Ambientali
Multi-offset GPR data: 
27
Multi-offset GPR data: 
● Aim: monitoring of water content and water conductivity 
● Target depth: 0 - 5 m 
● Profile length: 55 m 
Instrumentation: 
RAMAC/GPR CU II with MC4 + 
4 unshielded 200 MHz 
antennas 
Geometry: 
Number of sources: 546 
Source spacing: 0.1m 
Number of receivers: 28 
Receiver spacing: 0.2 m 
Maximum offset: 6 m 
28 
CMP gather at 10 
m
Data vviissuuaalliizzaattiioonn ttoooollss
Data vviissuuaalliizzaattiioonn ttoooollss
Data vviissuuaalliizzaattiioonn ttoooollss
Data vviissuuaalliizzaattiioonn ttoooollss 
cm/μs 
MHz 
cm/μs 
cm/μs
Data vviissuuaalliizzaattiioonn ttoooollss 
cm/μs 
MHz 
cm/μs 
cm/μs 
cm 
cm 
cm/μs 
μs 
cm 
cm
CRS stacking result obtained after 4 minutes using 50 CPU
TTiimmee ddoommaaiinn iimmaaggiinngg 
Published in: Perroud, H., and Tygel, M., 2005, Velocity estimation by 
the common-reflection-surface (CRS) method: Using ground-penetrating 
radar: Geophysics, 70, 1343–1352. 
Results GPR data
Seismic reflection data processing 
Input System Output 
Gestore di Risorse Condivise per Analisi di 
Dati e Applicazioni Ambientali 
Seismic Records 
Processing Phases Subsurface Image
Main Problem of SSRR//GGPPRR aaccqquuiissiittiioonn:: 
Real-time processing is difficult and cost intensive 
 Acquisition parameters such as recording time, 
sampling interval, source strength and receiver 
spacing cannot be optimized in the field 
Solution: 
Wireless data 
transmission + remote 
GRID computing facilities 
Gestore di Risorse Condivise per Analisi di 
Dati e Applicazioni Ambientali
Remote Grid Computing 
Preprocessing and Visualization PPPrrreeeppprrroooccceeessssssiiinnnggg aaannnddd VVViiisssuuuaaallliiizzzaaatttiiiooonnn uuuussssiiiinnnngggg SSSSUUUU:::: 
 Basic preprocessing steps can be applied without installing 
the complex SU processing package. 
IIIImmmmaaaaggggiiiinnnngggg aaaannnndddd RRRRSSSSCCCC uuuussssiiiinnnngggg CCCCRRRRSSSS tttteeeecccchhhhnnnnoooollllooooggggyyyy:::: 
 Data-driven CRS imaging technology---state-of-the-art in oil 
exploration---enables highly automated data processing. 
 GRID deployment using high performance computing 
facilities provides the necessary computing power. 
PPPPaaaarrrraaaalllllllleeeellll pppprrrroooocccceeeessssssssiiiinnnngggg ooooffff ddddiiiiffffffffeeeerrrreeeennnntttt PPPPrrrroooocccceeeessssssssiiiinnnngggg wwwwoooorrrrkkkkfffflllloooowwwwssss:::: 
 Cumbersome sequential optimization of processing 
workflow and processing parameters speeds up drastically. 
Gestore di Risorse Condivise per Analisi di 
Dati e Applicazioni Ambientali
EEIIAAGGRRIIDD PPoorrttaall
DDaattaa--sseett uuppllooaaddiinngg aanndd ffoorrmmaatt ccoonnvveerrssiioonn 
Near Surface  Environment  
Geotechnical Geophysics: SO-14
Data vviissuuaalliizzaattiioonn  pprree--pprroocceessssiinngg 
Near Surface  Environment  
Geotechnical Geophysics: SO-14
DDaattaa pprree--pprroocceessssiinngg ttoooollss 
Near Surface  Environment  
Geotechnical Geophysics: SO-14
Data vviissuuaalliizzaattiioonn ttoooollss 
Near Surface  Environment  
Geotechnical Geophysics: SO-14
CCRRSS ddaattaa pprroocceessssiinngg 
Near Surface  Environment  
Geotechnical Geophysics: SO-14
Workflows running in parallel 
Gestore di Risorse Condivise per Analisi di 
Dati e Applicazioni Ambientali
New field ssttuuddyy uussiinngg SSHH--wwaavveess ((DDIITT)) 
AAAAddddvvvvaaaannnnttttaaaaggggeeee ooooffff sssshhhheeeeaaaarrrr wwwwaaaavvvveeee ddddaaaattttaaaa:::: 
Neither ground roll nor direct waves are generated 
Near Surface  Environment  
Geotechnical Geophysics: SO-14
TTiimmee ddoommaaiinn iimmaaggiinngg 
Obtained using Obtained using Seismic the Processing EIAGRID portal 
Workshop © 
(Parallel Geoscience Corporation) 
Results shear wave data 
Near Surface  Environment  
Geotechnical Geophysics: SO-14
Conclusions 
 … facilitates the creation of an integrated geophysical 
database for environmental studies. 
Gestore di Risorse Condivise per Analisi di 
Dati e Applicazioni Ambientali 
EIAGRID 
 ...minimizes the software and hardware requirements 
needed to perform a successful SR/GPR data acquisition. 
 ...reduces the complexity of data QC and choice of 
acquisition parameter for less experienced users. 
 …provides fast and accurate results by using modern 
imaging technology and high performance computing. 
Enables a wider use of SR/GPR surveys in environmental 
and earth sciences through Grid technologies

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SmartGeo - G. Satta

  • 2. SmartGeo Il ruolo della prospezione geofisica nella caratterizzazione del sito contaminato: concetti generali, potenzialita’, problematiche e sviluppi recenti
  • 3. Il progetto SmartGeo In questo progetto il CRS4 si propone di mettere in connessione le capacita’ modellistiche, informatiche e computazionali dei suoi ricercatori con la competenza delle aziende coinvolte, e di ingegnerizzare gli applicativi sperimentali sviluppati nel progetto Grida3, fino ad ottenere un prodotto professionale che soddisfi le esigenze reali di un utilizzatore
  • 4. Il progetto SmartGeo • WP1 Informazione e formazione: diffusione e discussione dei risultati ottenuti dal CRS4 nel campo delle tecniche id imaging near-surfce (GPR e sismica a riflessione) • WP2 Dalla realta’ alle specifiche: ascolto delle esigenze pratiche e delle specifiche richieste delle aziende coinvlte nel cluster. • WP3 Costruire il prodotto: implementazione dell’applicativo di analisi dati. In questa fase si implementeranno le caratteristiche scaturite in fase di analisi.
  • 5. Seismic reflection data acquisition Gestore di Risorse Condivise per Analisi di Dati e Applicazioni Ambientali
  • 6. GPR data Multi-offset GPR data: Aim: monitoring of water content and water conductivity Target depth: 0 - 5 m 2D line: length 55 m RAMAC/GPR CU II with MC4 + 4 unshielded 200 Hz antennas Number of sources: 546 Source spacing: 0.1m Number of receivers: 28 Receiver spacing: 0.2 m Maximum offset: 0.6 m
  • 7. SR/GPR data: Fields of application Environmental EEEnnnvvviiirrrooonnnmmmeeennntttaaalll eeeennnnggggiiiinnnneeeeeeeerrrriiiinnnngggg:::: Detection of problematic solid-waste in dumping grounds Control of the topography of the impermeable basement SSSSeeeeiiiissssmmmmiiiicccc aaaannnndddd ggggeeeeooootttteeeecccchhhhnnnniiiiccccaaaallll eeeennnnggggiiiinnnneeeeeeeerrrriiiinnnngggg:::: Characterization of landslides on slopes proximal to the Gestore di Risorse Condivise per Analisi di Dati e Applicazioni Ambientali ground rupture Evaluation of the seismic local response HHHHyyyyddddrrrrooooggggeeeeoooollllooooggggyyyy:::: Identification of aquifer boundaries Estimation of hydrological parameters (porosity, fluid content, etc.)
  • 8.
  • 9. Modelli a confronto Prospezione geologica per la ricerca di idrocarburi Indagine geofisica su larga scala Perforazioni guidate dai risultati geofisici I pozzi sono costosi rispetto alla prospezione geofisica Caratterizzazione di siti contaminati Lo scavo serve spesso come strumento di esplorazione primario La geofisica, se e' usata, arriva in un secondo tempo se i dati di pozzo sono inadeguati
  • 10. Modelli a confronto Flusso di lavoro per la prospezione di idrocarburi: Prima fase: indagine geofisica su larga scala che fornisce una copertura laterale e una continuita’ che permettono di interpretare la situazione geoologica e di individuare le zone bersaglio Seconda fase: campagna di perforazione intensive nei bersagli individuati, accompagnate o meno da ulteriori indagini geofisiche piu focalizzate su particolari regioni. Motivazione: la perforazione dei pozzi e’ molto piu’ costosa rispetto all’esplorazione geofisica.
  • 11. Modelli a confronto Perche questo approccio differente? Spesso i site manager hanno una formazione ingegneristica e sono meno propensi all'uso dei dati geofisici L'economia della caratterizzazione dei siti inquinati e' guidata da interessi punitivi o dalla paura delle eventuali sanzioni l'esplorazione petrolifera e' guidata dal guadagno --- maggiore propensione al rischio
  • 12. Modelli a confronto L'applicazione di tecniche geofisiche per la caratterizzazione di siti inquinati comporta: Rilevanti vantaggi in termini tecnici ed economici Maggiore complessita’ nella gestione dei dati Necessita’ di conoscenze interdisciplinari
  • 13. • Figure 1. Image of the land surface at OU-1 and underlying clay aquitard surface. Borehole and CPT positions (shown in blue) form a veritable well forest.
  • 14. • Figure 2. Electromagnetic wave propagation velocity as a function of NAPL concentration and porosity. As the mixture grades from full water saturation to full NAPL saturation, the velocity may increase by a factor of 3.
  • 15. • Figure 3. (a) 3D map of the clay aquitard surface constructed from a 3D multi-offset GPR survey designed to investigate the bowl-shaped topographic low adjacent to well U1-072. • (b) Clay surface with the upper surface of a high-velocity zone that forms an umbrella over the topographic low. Subsequent borehole sampling showed NAPL concentrations as high as 4% within the high-velocity zone.
  • 16. • Figure 4. (a) GPR coverage over site OU-1: heavy blue lines show locations where the clay aquitard could be identified, red indicates the location of multi-offset profiles. • (b) Clay aquitard map derived from GPR measurements and boreholes showing a complex system of paleochannels that drain toward the southwest during low water-table conditions. • (c) Clay aquitard map derived from wells alone which does not adequately characterize the channel system.
  • 17. • Figure 5. Map of the four areas identified for detailed multi-offset investigation. Anomaly lines cross features similar to those shown in Figure 3. Area 3 is focused on the deepest paleochannel present at the site. Black dots show previous well locations.
  • 18. • Figure 6. (a) CDPs along line A3L1 (Figure 5) showing heavy contamination with air waves scattered from out-of-plane fences (horizontal events in the upper set of CDPs). • (b) Prestack f-k filtering is effective for removing air-wave noise.
  • 19. • Figure 7. (a) Standard common-offset radar image of line A3L1 (Figure 5) that is heavily contaminated with out-of- plane air-wave scatter. • (b) Stacking alone cannot adequately attenuate the air-wave noise. • (c) Prestack f-k filtering in the CDP domain virtually removes all air-wave noise revealing the base of the paleochannel.
  • 20. • Figure 8. The upper image shows the PSDM result along Line A3L3 (Figure 5). The deep channel in the clay surface is partially filled with water. • The zone of anomalous reflectivity 1–2 m above the water table is associated with a high-velocity zone shown in the lower image. • This zone was later found to have a substantial LIF anomaly and up to 5% volumetric LNAPL contamination.
  • 21. • Figure 9. The upper image shows the prestack depth-migrated section along line ANL4 (Figure 5). • The clay depression with low-amplitude overlying reflectivity was targeted for further investigation. The lower image show the results of reflection tomograpy. • A high-velocity zone lying within the clay depression correlated with a LIF anomaly and indicates possible NAPL contamination.
  • 22. Eiagrid Il contributo del CRS4 Il gruppo di geofisica computazionale del CRS4 ha lavorato per molti anni allo sviluppo di codici di calcolo per l'analisi dei dati sismici per la prospezione di idrocarburi. Nel progetto Eiagrid ha sviluppato, in collaborazione con il Dicaar (G.P. Deidda) una infrastruttura di calcolo che: minimizza le risorse software hardware richieste all'utilizzatore per una acquisizione dati SR/GPR efficace.
  • 23. Eiagrid ...consente un controllo di qualita in quasi real-time sui dati acquisiti e una ottimizzazione dei parametri di acquisizione anche per utenti meno esperti; …fornisce risultati accurati utilizzando algoritmi di imaging data driven implementati con metodologie di high performance computing; facilita la collaborazione remota e la creazione di database integrati per gli studi di problemi ambientali.
  • 24. Grida3, Shared Resources Manager for Environmental Data Analysis and Applications The Grida3 portal aims at supporting problem solving and decision making by integrating resources for communication computation data storage software for simulation inversion visualization and human know how into a grid computing platform for Environmental Sciences APPLICATIONS GIS Tools EIAGRID EIAGImaRgiInDg Service Secure access Infrastructure User Interfaces TECHNOLOGIES Meteorology Hydrology Site Remediation Geophysical Imaging
  • 25. The EIAGRID Portal Main Objectives Creating a grid computing environment for in-field QC and Optimization of SR/GPR data acquisition by: 1. Providing a web-browser-based user interface easily accessible from the field 2. On-the-fly processing of the seismic field data using a remote GRID environment 3. Fast optimization of data analysis and imaging parameters by parallel processing of alternative workflows Gestore di Risorse Condivise per Analisi di Dati e Applicazioni Ambientali
  • 26. The EIAGRID Portal Main Objectives Creating a data grid environment to facilitate analysis decision making in integrated multi-disciplinary studies by: 1. Providing a flexible and customizable data grid management architecture using iRODS 2. Georeferencing the data using Geo Information System (GIS) technologies 3. Interconnecting the different types of data by mesh-generators and data crossing techniques Gestore di Risorse Condivise per Analisi di Dati e Applicazioni Ambientali
  • 28. Multi-offset GPR data: ● Aim: monitoring of water content and water conductivity ● Target depth: 0 - 5 m ● Profile length: 55 m Instrumentation: RAMAC/GPR CU II with MC4 + 4 unshielded 200 MHz antennas Geometry: Number of sources: 546 Source spacing: 0.1m Number of receivers: 28 Receiver spacing: 0.2 m Maximum offset: 6 m 28 CMP gather at 10 m
  • 32.
  • 33. Data vviissuuaalliizzaattiioonn ttoooollss cm/μs MHz cm/μs cm/μs
  • 34. Data vviissuuaalliizzaattiioonn ttoooollss cm/μs MHz cm/μs cm/μs cm cm cm/μs μs cm cm
  • 35.
  • 36.
  • 37. CRS stacking result obtained after 4 minutes using 50 CPU
  • 38. TTiimmee ddoommaaiinn iimmaaggiinngg Published in: Perroud, H., and Tygel, M., 2005, Velocity estimation by the common-reflection-surface (CRS) method: Using ground-penetrating radar: Geophysics, 70, 1343–1352. Results GPR data
  • 39. Seismic reflection data processing Input System Output Gestore di Risorse Condivise per Analisi di Dati e Applicazioni Ambientali Seismic Records Processing Phases Subsurface Image
  • 40. Main Problem of SSRR//GGPPRR aaccqquuiissiittiioonn:: Real-time processing is difficult and cost intensive Acquisition parameters such as recording time, sampling interval, source strength and receiver spacing cannot be optimized in the field Solution: Wireless data transmission + remote GRID computing facilities Gestore di Risorse Condivise per Analisi di Dati e Applicazioni Ambientali
  • 41. Remote Grid Computing Preprocessing and Visualization PPPrrreeeppprrroooccceeessssssiiinnnggg aaannnddd VVViiisssuuuaaallliiizzzaaatttiiiooonnn uuuussssiiiinnnngggg SSSSUUUU:::: Basic preprocessing steps can be applied without installing the complex SU processing package. IIIImmmmaaaaggggiiiinnnngggg aaaannnndddd RRRRSSSSCCCC uuuussssiiiinnnngggg CCCCRRRRSSSS tttteeeecccchhhhnnnnoooollllooooggggyyyy:::: Data-driven CRS imaging technology---state-of-the-art in oil exploration---enables highly automated data processing. GRID deployment using high performance computing facilities provides the necessary computing power. PPPPaaaarrrraaaalllllllleeeellll pppprrrroooocccceeeessssssssiiiinnnngggg ooooffff ddddiiiiffffffffeeeerrrreeeennnntttt PPPPrrrroooocccceeeessssssssiiiinnnngggg wwwwoooorrrrkkkkfffflllloooowwwwssss:::: Cumbersome sequential optimization of processing workflow and processing parameters speeds up drastically. Gestore di Risorse Condivise per Analisi di Dati e Applicazioni Ambientali
  • 43. DDaattaa--sseett uuppllooaaddiinngg aanndd ffoorrmmaatt ccoonnvveerrssiioonn Near Surface Environment Geotechnical Geophysics: SO-14
  • 44. Data vviissuuaalliizzaattiioonn pprree--pprroocceessssiinngg Near Surface Environment Geotechnical Geophysics: SO-14
  • 45. DDaattaa pprree--pprroocceessssiinngg ttoooollss Near Surface Environment Geotechnical Geophysics: SO-14
  • 46. Data vviissuuaalliizzaattiioonn ttoooollss Near Surface Environment Geotechnical Geophysics: SO-14
  • 47. CCRRSS ddaattaa pprroocceessssiinngg Near Surface Environment Geotechnical Geophysics: SO-14
  • 48. Workflows running in parallel Gestore di Risorse Condivise per Analisi di Dati e Applicazioni Ambientali
  • 49. New field ssttuuddyy uussiinngg SSHH--wwaavveess ((DDIITT)) AAAAddddvvvvaaaannnnttttaaaaggggeeee ooooffff sssshhhheeeeaaaarrrr wwwwaaaavvvveeee ddddaaaattttaaaa:::: Neither ground roll nor direct waves are generated Near Surface Environment Geotechnical Geophysics: SO-14
  • 50. TTiimmee ddoommaaiinn iimmaaggiinngg Obtained using Obtained using Seismic the Processing EIAGRID portal Workshop © (Parallel Geoscience Corporation) Results shear wave data Near Surface Environment Geotechnical Geophysics: SO-14
  • 51. Conclusions … facilitates the creation of an integrated geophysical database for environmental studies. Gestore di Risorse Condivise per Analisi di Dati e Applicazioni Ambientali EIAGRID ...minimizes the software and hardware requirements needed to perform a successful SR/GPR data acquisition. ...reduces the complexity of data QC and choice of acquisition parameter for less experienced users. …provides fast and accurate results by using modern imaging technology and high performance computing. Enables a wider use of SR/GPR surveys in environmental and earth sciences through Grid technologies