Practicing Geology in a Digital Worldeps.berkeley.edu/.../berkeley_timote_2007.pdf · Analysis...

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Practicing Geology in a Digital World

Timothy I. Mote PhD, CEG, GISP

Senior Engineering Geologist/GIS AnalystGeomatrix Consultants

Berkeley EPS Alumni Student Forum

1/23/07

Geomatrix Office Locations:

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Geotechnical Engineering/Engineering Geology

Environmental Science and EngineeringNatural Resources Water ResourcesEnvironmental Permitting and Impact AnalysisDecision and Quantitative AnalysisProcess Engineering

Geomatrix Practices:

Geologists / Hydrogeologists

Civil / Chemical / Geotechnical Engineers

Decision AnalystsCompliance SpecialistsAtmospheric ScientistsRisk AssessorsToxicologists and CIHsBiologistsData Management / IT Specialists

Geomatrix Areas of Expertise:

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UC Berkeley Memorial Stadium Fault Study

BART Retrofit

Caldecott TunnelSF Muni 4th St. UndergroundBay Bridge Diversion Structure Carquinez Bridge (Zampa) South Bay, Delta and New Orleans LeveesSan Pablo Dam (EBMUD)PG&E, EBMUD, CALTRANS, BART, US State Dept.

Key Bay Area Projects:

GIS Discipline

•GIS is a key tool in the Geotechnical/Engineering Geology andEnvironmental Science and Engineering Practices

•Map Compilation/Review

•Data Management

•Spatial Analysis

•3D Visualization

•Reporting/Dissemination

•Essential to have solid background and experience in both disciplines

•Keep grounded by participating in field work

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GIS-based Applications in Geotechnical and Environmental Engineering Applications

•Engineering Geology•Slope Stability•Rockfall Analysis•Project Siting Studies

•Seismic Hazard Assessment•Probabilistic Seismic Hazard Analysis (PSHA) Modeling•Fault Rupture Evaluations •Tsunami and Volcanic Hazard Assessments

•Supports both Geotechnical and Environmental Engineering Disciplines

•Database Management •Spatial Analyses – GIS Screening Studies•3D Modeling and Visualizations• Web-based Map Viewers

• Slope Stability • Rockfall Analysis

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Geologic and Geotechnical Investigation:Hydro-Electric Penstocks in the Sierra

Rockfall Evaluation at Cape Disappointment

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Slope Stability Analysis

Slope Stability Assessment:Dip Slope Failure

• Bedding Strike +/- 20 of Hillslope Strike• Bedding Dip (apparent dip) < Hillslope Dip

Hoek and Bray, 1981

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Slope Stability Assessment: Wedge Failure

• Calculate intersection between 2 structures

• Intersecting plunge (apparent dip) < slope• Intersecting bearing out of slope face

Geology:Bedding Orientation Stereonet

Geology:Bedding Orientation Stereonet

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• Apply traditional Kinematic Analysis within 3D GIS-based model

• Landfill and Gravel Quarry Sites

3D Modeling:Kinematic Slope Stability Analysis

Landslide Modeling for Powerlines

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Towers (points) are classified based on proximal terrain features.

Analysis & Decision Making Spatial Analysis

• Seismic Hazard Assessments

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Worldwide Seismic Hazard Studies:U.S. Department of State

PSHA Modeling

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Reporting Parametric Data Tables

Worldwide Landslide Hazard Screening:U.S. Department of State

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Worldwide Tsunami Hazard Screening:U.S. Department of State

Evaluation of Potential Tsunami Sources:

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Evaluation of Potential Tsunami Sources:

• Fault Rupture Evaluation

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Fault Rupture Hazard Assessment:Memorial Stadium, Berkeley, CA

Paleoseismologic Investigation:Trench Surveying

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Geology:Healdsburg Fault

Geologic and Geotechnical Investigation:Bay Division Pipeline

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• Levee Assessments

Reporting Effective Visualizations

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Databases linked to spatial maps is compiled into a system to support design and planning

Analysis & Decision Making Parametric Mapping

Field reconnaissance/mapping is compiled into a system to support design and planning

Analysis & Decision Making Parametric Mapping

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• 3D Modeling and Visualizations– Geotechnical

• 3D Geology to Support Models• Cut and Fill Volumes

– Environmental• 3D Chemical Plumes• Modeling Support• Excavations

Bedrock Surface, Alluvium and Soft Silt Layers(Looking Upstream)

Top of Alluvium

Top of Soft Silt

Boring Key

Fill

Alluvium

3D Geologic Modeling:San Pablo Dam, CA

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GIS Analysis:3D Geologic Model – BART Transition Structure

Analysis & Decision Making Supporting Modeling Efforts

LIDAR data processinHarris County

Cypress CreekConceptual Design

High resolution data forriver restoration

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Analysis & Decision Making Supporting Modeling Efforts

contouringusing LIDAR

Geomorphic and Structural Analysis:River Bank Stability Assessment

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Analysis & Decision Making Excavation scenarios (5ft)

Support groundwater flow assessment

Analysis & Decision Making 3D Geologic Modeling

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Analysis & Decision Making 3D Geologic Modeling

Support groundwater flow assessment

Reporting Effective Visualizations

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Dissemination of Data Custom GIS and/orDatabase-Driven Web Sites

Dissemination of Data Sharepoint: Web-Based ContentManagement

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GIS Ground Motion Modeling:1999 Hector Mine M7.1

Animations 1992 Landers M6.9

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GIS Discipline

•GIS is a key tool in the Geotechnical/Engineering Geology andEnvironmental Science and Engineering Practices

•Map Compilation/Review

•Data Management

•Spatial Analysis

•3D Visualization

•Reporting/Dissemination

•Essential to have solid background and experience in both disciplines

•Keep grounded by participating in field work

Key Classes

•Essential to have a broad background in consulting industry

•Mapping/Field Camp (project component)•Geostatistics•Structural Geology•Stratigraphy/Soils•Geomorphology•Economic/Resource Geology•Seismology/Tectonics

•Applied Geophysics•Earthquake Engineering

•GIS•Remote Sensing/Image Processing•Intro to Programming

•Show initiative and willingness to take on new challenges

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http://www.geomatrix.com/careers.php

Tim Motetmote@geomatrix.com