introduction to gis © 2007 austin troy instructor: austin troy university of vermont school of...
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![Page 1: Introduction to GIS © 2007 Austin Troy Instructor: Austin Troy University of Vermont School of Natural Resources Email: austin.troy@uvm.edu Lecture materials](https://reader037.vdocuments.site/reader037/viewer/2022110322/56649d3b5503460f94a1622e/html5/thumbnails/1.jpg)
© 2007 Austin Troy
Introduction to GIS
Instructor: Austin TroyUniversity of VermontSchool of Natural ResourcesEmail: [email protected]
Lecture materials by Austin Troy except where noted.Acknowledgements are due, in particular, to the UC Berkeley GIS Center, where many of the ideas for these lectures evolved in the development of their short course series.
NR 143: Introduction to GIS
Lecture 1
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© 2007 Austin Troy
Introduction to GIS
Source: adapted from UC Berkeley GIS Center
What is GIS?(some boring definitions)
• The complete sequence of components for acquiring, processing, storing and managing data (Star and Estes, 1990)
• It is a configuration of computer hardware and software specifically designed for the acquisition, maintenance and use of cartographic data, (Tomlin, 1990)
• It is a set of computer tools for collecting, storing, retrieving at will, transforming and displaying spatial data from the real for a particular set of purposes, (Burrough et al. 1998)
• A system of hardware, software, data, people, organizations and institutional arrangements for collecting, storing, analyzing and disseminating information about areas of the earth.
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© 2007 Austin Troy
Introduction to GIS
Big Picture Concepts
• Quality
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© 2007 Austin Troy
Introduction to GIS
“Clouds are not spheres, mountains are not cones, coastlines are not circles, and bark is not smooth, nor does lightning travel in a straight line.”
-Mandelbrot, 1983
A first lesson in GIS:
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© 2007 Austin Troy
Introduction to GIS
Core Concepts
• Quality
• Scale
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© 2007 Austin Troy
Introduction to GIS
Coastline of Britain measurement problem
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© 2007 Austin Troy
Introduction to GIS
Core Concepts
• Quality
• Scale
• Documentation and transparency
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© 2007 Austin Troy
Introduction to GIS
Important that we know more than just “where?”
What is this a map of?
Federally owned lands
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© 2007 Austin Troy
Introduction to GIS
How about this map?
IQ test scores in the UK
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© 2007 Austin Troy
Introduction to GIS
What is the heck is this a map of?!!
Percent of population that buys salsa
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© 2007 Austin Troy
Introduction to GIS
Any clue?
Amount of manure created by county
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© 2007 Austin Troy
Introduction to GIS
• We are used to road maps!
• GIS maps tell a far more complex story
• These stories need cliff notes!!
• METADATA
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© 2007 Austin Troy
Introduction to GIS
Approaches to GIS
• Projects
• Custom GIS applications
• Internet Map Servers
• Client side applications
• Some examples of GIS in action
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© 2007 Austin Troy
Introduction to GIS
Viewshed analysis
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© 2007 Austin Troy
Introduction to GIS
Some examples of GIS in Action: Conservation Planning
Image by Dave Catts at http://3dnworld.com/galapp.php?user=DCatts&app=CARTOG
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© 2007 Austin Troy
Introduction to GIS
Conservation Planning: Analysis of road disturbance in ecologically important areas
Source: Thesis research from Dick Cameron; http://greenwich.colorado.edu/drc/rese.htm
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© 2007 Austin Troy
Introduction to GIS
Watershed delineation using digital elevation models
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© 2007 Austin Troy
Introduction to GIS
Urban vegetation assessment
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© 2007 Austin Troy
Introduction to GIS
Urban Park Planning
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© 2007 Austin Troy
Introduction to GIS
Change detection from LANDSAT over 2003 NAIP
1999 Orthophotos with parcel boundaries
Estimated 99-02 changed pixels from LANDSAT
Land use change detection
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© 2007 Austin Troy
Introduction to GIS
Land use change simulation
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© 2007 Austin Troy
Introduction to GIS
Shelburne road, circa 1937
2003
Historical analysis
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© 2007 Austin Troy
Introduction to GIS
Natural Hazards: Fire Mitigation Decision Support
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© 2007 Austin Troy
Introduction to GIS
Natural Hazards: Susceptibility of hillsides to seismically-induced landslides
Source: Dissertation research by Bijan Khazai, UC Berkeley,Dept. of Civil Engineering
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© 2007 Austin Troy
Introduction to GIS
Market cluster analysis
American Dreams
Big City Blend
Blue Blood Estates
Blue-Chip Blues
Bohemian Mix
Fmaily Scramble
Gray Collars
Gray Power
Hometown Retired
Inner Cities
Mid-City Mix
Military Quarters
Mobility Blues
Money & Brains
New Beginnings
New Empty Nests
Old Yankee Rows
Pools & Patios
Single City Blues
Smalltown Downtown
Southside City
Suburban Sprawl
Towns & Gowns
Upstarts & Seniors
Urban Achievers
Urban Gold Coast
Winner's Circle
Young Influentials
Young Literati
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© 2007 Austin Troy
Introduction to GIS
Calculate Trade Areas for a facility by drive time and by circular radius
Source: Geonmonics, Inc. http://www.geonomicsinc.com/products.htm
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© 2007 Austin Troy
Introduction to GIS
Site and demographic analysis for retail/office location
Source: Geonmonics, Inc. http://www.geonomicsinc.com/products.htm
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© 2007 Austin Troy
Introduction to GIS
Transportation: predicting potential transit ridership to help Determine the location of a
new transit route
Source: UC Berkeley GIS Center
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© 2007 Austin Troy
Introduction to GIS
Transportation: Network routing and driving directions
Source: Google maps
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© 2007 Austin Troy
Introduction to GIS
Drive-time service area
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© 2007 Austin Troy
Introduction to GIS
Some examples of GIS in Action:3 D Visualization for scenario analysis
Image by Eric Crews, US Forest Service at http://3dnworld.com/gallery.php?user=ECrews
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© 2007 Austin Troy
Introduction to GIS
Some examples of GIS in Action:Visualization of proposed sites
Image by Jeff Nighbert, at http://3dnworld.com/users/40/images/nighbertblendtest.jpg
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© 2007 Austin Troy
Introduction to GIS
Some examples of GIS in Action:3 D Visualization for development scenario analysis
Image by Marco Gualdrini at http://3dnworld.com/users/27/images/Phase1OriginalState1.jpg
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© 2007 Austin Troy
Introduction to GIS
Some examples of GIS in Action:3 D Visualization for development scenario analysis
Image by Marco Gualdrini at http://3dnworld.com/users/27/images/Phase2ActualState1.jpg
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© 2007 Austin Troy
Introduction to GIS
Municipal Information Internet Map Server: NaviGate LA
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© 2007 Austin Troy
Introduction to GIS
Site Selector Internet Map Server for urban development