Practicing Geology in a Digital World
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1 Practicing Geology in a Digital World Timothy I. Mote PhD, CEG, GISP Senior Engineering Geologist/GIS Analyst Geomatrix Consultants Berkeley EPS Alumni Student Forum 1/23/07 Geomatrix Office Locations: 1
2 Geomatrix Practices: Geotechnical Engineering/Engineering Geology Environmental Science and Engineering Natural Resources Water Resources Environmental Permitting and Impact Analysis Decision and Quantitative Analysis Process Engineering Geomatrix Areas of Expertise: Geologists / Hydrogeologists Civil / Chemical / Geotechnical Engineers Decision Analysts Compliance Specialists Atmospheric Scientists Risk Assessors Toxicologists and CIHs Biologists Data Management / IT Specialists 2
3 Key Bay Area Projects: UC Berkeley Memorial Stadium Fault Study BART Retrofit Caldecott Tunnel SF Muni 4 th St. Underground Bay Bridge Diversion Structure Carquinez Bridge (Zampa) South Bay, Delta and New Orleans Levees San Pablo Dam (EBMUD) PG&E, EBMUD, CALTRANS, BART, US State Dept. GIS Discipline GIS is a key tool in the Geotechnical/Engineering Geology and Environmental 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 3
4 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 4
5 Geologic and Geotechnical Investigation: Hydro-Electric Penstocks in the Sierra Rockfall Evaluation at Cape Disappointment 5
6 Slope Stability Analysis Slope Stability Assessment: Dip Slope Failure Bedding Strike +/- 20 of Hillslope Strike Bedding Dip (apparent dip) < Hillslope Dip Hoek and Bray,
7 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 7
8 3D Modeling: Kinematic Slope Stability Analysis Apply traditional Kinematic Analysis within 3D GIS-based model Landfill and Gravel Quarry Sites Landslide Modeling for Powerlines 8
9 Analysis & Decision Making Spatial Analysis Towers (points) are classified based on proximal terrain features. Seismic Hazard Assessments 9
10 Worldwide Seismic Hazard Studies: U.S. Department of State PSHA Modeling 10
11 Reporting Parametric Data Tables Worldwide Landslide Hazard Screening: U.S. Department of State 11
12 Worldwide Tsunami Hazard Screening: U.S. Department of State Evaluation of Potential Tsunami Sources: 12
13 Evaluation of Potential Tsunami Sources: Fault Rupture Evaluation 13
14 Fault Rupture Hazard Assessment: Memorial Stadium, Berkeley, CA Paleoseismologic Investigation: Trench Surveying 14
15 Geology: Healdsburg Fault Geologic and Geotechnical Investigation: Bay Division Pipeline 15
16 Levee Assessments Reporting Effective Visualizations 16
17 Analysis & Decision Making Parametric Mapping 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 17
18 3D Modeling and Visualizations Geotechnical 3D Geology to Support Models Cut and Fill Volumes Environmental 3D Chemical Plumes Modeling Support Excavations 3D Geologic Modeling: San Pablo Dam, CA Top of Alluvium Top of Soft Silt Bedrock Surface, Alluvium and Soft Silt Layers (Looking Upstream) Boring Key Fill Alluvium 18
19 GIS Analysis: 3D Geologic Model BART Transition Structure Analysis & Decision Making Supporting Modeling Efforts Harris County LIDAR data processin Cypress Creek Conceptual Design High resolution data for river restoration 19
20 Analysis & Decision Making Supporting Modeling Efforts contouring using LIDAR Geomorphic and Structural Analysis: River Bank Stability Assessment 20
21 Analysis & Decision Making Excavation scenarios (5ft) Analysis & Decision Making 3D Geologic Modeling Support groundwater flow assessment 21
22 Analysis & Decision Making 3D Geologic Modeling Support groundwater flow assessment Reporting Effective Visualizations 22
23 Dissemination of Data Custom GIS and/ordatabase-driven Web Sites Dissemination of Data Sharepoint: Web-Based ContentManagement 23
24 GIS Ground Motion Modeling: 1999 Hector Mine M7.1 Animations 1992 Landers M6.9 24
25 GIS Discipline GIS is a key tool in the Geotechnical/Engineering Geology and Environmental 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 25
26 Tim Mote 26
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