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Physical model
Model results
HPCC
Data
Modeling Environment
Core Grid ServicesAuthentication, monitoring, scheduling, catalog, data transfer,
Replication, collection management, databases
Portal (login, myGEON)
Physical GridRedHat Linux, ROCKS, Internet, I2, OptIPuter (planned)
Registration Services
Data Integration Services
Indexing Services
Workflow Services
Visualization& Mapping Services
Registration GEONsearchGEONworkbench
Community ModelingEnvironment
GEON: GEOsciences Network
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Agenda
• Scientific Framework: Integration Scenarios
• IT Advances
• Data and Modeling - Scientific Advances
• Educational Leadership
• Social Aspects of Large Projects
• Summary and Plans
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Snapshot of the Day
• GEON research and education activities:– Highlights given in talks– Some details provided in posters– Presentations available at the end of the day
• GEON infrastructure and applications: mostly prototypes
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GEON Principal Investigators
• Ramon Arrowsmith Arizona State University
• Chaitan Baru San Diego Supercomputer Center / University of California, San Diego
• Maria Luisa Crawford Bryn Mawr College
• Karl Flessa University of Arizona
• Randy Keller University of Texas at El Paso
• Mian Liu University of Missouri, Columbia
• Chuck Meertens UNAVCO, Inc.
• John Oldow University of Idaho
• Dogan Seber San Diego Supercomputer Center / University of California, San Diego
• Paul Sikora University of Utah
• Krishna Sinha Virginia Tech
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GEON Mission and Goals “Enabling scientific discoveries and improving
education in Earth Sciences through information technology research.”
• Develop cyberinfrastructure for Geoscience research– Integrate, analyze and model 4-D data– Research and development in data integration systems, computing
environments, and ontologic frameworks– Facilitate knowledge discovery for the geosciences
• Promote leadership within geoscience education reform• Revolutionize how earth scientists do their science
– democratize access to services and data– allow on-line replication of results – increase awareness of scientific knowledge “pathways”
• Facilitate a cultural change
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Challenges
Many databases and models: Interpretations limited by existing knowledge Capture of concepts and relationships needed for
computational tractability Creation of community knowledge base: Required to support knowledge discovery Assists in hypothesis generation
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The Pathway…Partnership with Information Technology
Access /share data and products Access /develop smart tools Access computational resources Access/apply knowledge management Preserve data Become educational leaders
GEON supports such activities
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Access to data representing scales of phenomenon and processes will be available within the infrastructure for discovering new
knowledge (remember EarthScope)
Lithosphere thickness (schematic) based on Zoback and Mooney (2003), Geologic Map ( USGS), fault distribution from Sinha (unpubl.)
Distribution of faults and earthquakes in mid-Atlantic region
Surface geology
Cratonal lithosphereDeep mantle
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GEON TestbedScience Themes
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CRUSTAL EVOLUTION: ANATOMY OF AN
OROGEN
The Appalachian Orogen is a continental scale mountain belt that provides a geologic template to examine the growth and breakup of continents through plate tectonic processes .
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Role of accretionary orogens in the growth of continents1. Major site of juvenile continental crust production at
convergent plate margins2. Addition of crust through accretion (terranes)3. Recycling of continental and oceanic crust
The Appalachian orogen provides a natural laboratory to develop methods for integration of data, tools and models with
an emphasis on 4-D management of data and knowledge
First Order Science Question:What is the geologic history of accretionary
orogens ?
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Appalachian Mountains: Recording 1000 Ma Of Earth History
Geologic phenomena
• Assembly and dispersal of super-continents: Rodinia , the Grenville record
• Neo-Proterozoic failed rift : testing multiple hypotheses
• Successful rifting of Rodinia: rift to drift transition
• Collisional events: representing an orogenic cycle
• Successful rifting : present configuration
Research tasks to represent and interpret phenomenon
Representing paleo-geography of plates
Developing process ontology for hypothesis evaluation
Integration of disciplinary databases through developing schemas and object ontology research
Present day properties
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Diversity Of Geologic Information Required To Analyze Crustal Evolution
METAMORPHISMMETAMORPHISM IGNEOUS ACTIVITY
GEOLOGIC MAPSGEOLOGIC MAPS
STRATIGRAPHY/STRATIGRAPHY/
SEDIMENTOLOGYSEDIMENTOLOGYPLATEPLATE
CONFIGURATIONCONFIGURATIONSTRUCTURESTRUCTURE
GEOPHYSICSGEOPHYSICS
TIMEGEODYNAMICMODELING
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From schemas to ontologies to integration Virginia Tech research activities
• Spatial distribution of igneous rocks: provide access to geologic
maps at multiple scales
• Capture igneous rock properties data in a digital format (database schema)
• Provide web based tools
• Develop discipline ontologies
• Implement integration scenarios through ontologies
• Shared educational opportunities (cs & geo graduate research)
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The rock record preserves processes associated with crustal evolution of continents
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Access, analysis and modeling of the igneous rock record is a pre-requisite for understanding crustal evolution through time-space
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Scales of georeferenced observations contained in Virginia Tech database: facilitating analysis of orogens
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Conceptual Model for Igneous Rock Properties (static) and Genesis (dynamic)
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Design/Information Flow for Analysis of Igneous Rocks
Schema Development
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Components of the Virginia Tech field based schema: deploying data across multiple scales of observation and analysis
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Design/Information Flow for Analysis of Igneous Rocks
Ontology Development
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Igneous Rock Database Schema and Linked Ontology
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Results of query displayed geographically and used in spatial analyses of terranes
Based on SDSC (KR research group)
Prototype web based access and application of tools
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Query results displayed in tables and in Query results displayed in tables and in classification diagramsclassification diagrams
Point-in-polygon routine classifies sample as Chrysolite. Sample can now participate in additional ontologically-driven comparative, statistical and data mining analyses.
Based on SDSC (KR research group)
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Design and Information Flow for Analysis of Igneous Rocks
Tool Development
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Ontology Based Data Mining
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Ontology Driven Data Mining
GEOROC : UNIQUE DATABASE FOR DATA MINING RESEARCH
Create reusable “Knowledge Base”Iterate over experiment to refine the knowledge baseMinimize data handling/Maximize researchAllow different levels of knowledge discovery: Hidden, Deep
Adapted from Ramachandran, (2003)
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Ontology Driven Data Mining
• Ontology assists in structuring the data
• Data sets associated with concepts in ontology
• User navigates ontology to choose data sets
• Helps to apply data mining at different levels of abstraction
• Spatial and temporal variables are represented in the data
PlatesCompositionAgeThicknessDensityVelocityThermal Prpoerties
Upper Plate Subducted Plateangle
Continental MarginUpper plate : continentalSubducted plate: continental or oceanic
Oceanic ARCUpper plate : oceanicSubducted plate: oceanic
TIme
UnitsRock
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Web screenWeb screen
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Problem: Scientific Data Integration... from Questions to Queries ...
What is the distribution and U/ Pb zircon ages of A-type plutons in VA? How about their 3-D geometry ?
How does it relate to host rock structures?
?Information Integration
Geologic Map(Virginia)
GeoChemicalGeoPhysical
(gravity contours)GeoChronologic
(Concordia)Foliation Map(structure DB)
“Complex Multiple-Worlds”
Mediation
domain knowledge
Database mediationData modeling
Knowledge Representation:ontologies, concept spaces
raw data
(From Ludaescher, SDSC)