“geography matters” · 2018-03-09 · gis is a systemof computer software, hardware and data,...
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”””
“Geography Matters”
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• What is GeographyThe 3 “W’s” of Geography
–What is where–Why is it there–Why do I care
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We all ‘got data’We all ‘got data’We all ‘got data’
• Location Data – How Many – What Kind – Where
• Scale of Data– Local to Global
• Data Presentation– Words, Charts, Graphs, Tables, or Maps
Exploring data using GIS turns data into information into knowledge
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GIS is a System of computer software, hardware and data, and personnel to help manipulate, analyze and present information that is tied to a spatial location –
• spatial location – usually a geographic location• information – visualization of analysis of data• system – linking software, hardware, data• personnel – a thinking explorer who is key to
the power of GIS
Geographic Information SystemsGeographic Information SystemsGeographic Information Systems
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• GPS – Global Positioning System
• A static map – paper or digital– Maps are often a “product” of a GIS
– A way to visualize the analysis
• A software package
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• Estimates are that 80% of all data has a spatial component– Data from most sciences can be
analyzed “spatially”
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• A method tovisualize, manipulate, analyze, and display spatial data
• “Smart Maps”linking a database to the map
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Database“Not Easy to Interpret”
Database“Not Easy to Interpret”
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Visualization “Worth a Thousand Words”
Visualization “Worth a Thousand Words”
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Two Ways to Input and Visualize DataThe World in GIS
Two Ways to Input and Visualize DataTwo Ways to Input and Visualize DataThe World in GISThe World in GIS
• Raster – Grid– “pixels”– a location and value– Satellite images and aerial
photos are already in this format
• Vector – Linear– Points, lines & polygons– “Features” (house, lake, etc.)
– Attributes– size, type, length, etc.
Real world
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• Digitized and Scanned Maps– purchased, donated, free (Internet)– created by user
• Data Bases – Tables of data• GPS – Global Positioning System
– accurate locations• Field Sampling of Attributes• Remote Sensing &
Aerial Photography
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States
Five Data Layers “Alike” Features
Five Data Layers “Alike” Features
Roads
CapitalsRivers
Lakes
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“Spatial Analysis” – not just a map
Turning Data Into InformationTurning Data Into Information
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Asking A Question – InteractionAsking A Question – Interaction
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Maps and Database are “Interactive”
Maps and Database are “Interactive”
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Multiple Databases can be Linked and Related
Multiple Databases can be Linked and Related
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• Emergency Services – Fire & Police• Environmental – Monitoring & Modeling• Business – Site Location, Delivery Systems• Industry – Transportation, Communication,
Mining, Pipelines, Healthcare• Government – Local, State, Federal, Military• Education – Research, Teaching Tool,
Administration
Wherever Spatial Data Analysis is Needed
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Network SolutionsNetwork SolutionsNetwork Solutions
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Ecosystem ManagementEcosystem ManagementEcosystem Management
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3D Mine with Well Data3D Mine with Well Data3D Mine with Well Data
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Environmental MonitoringToxic Plume
Environmental MonitoringEnvironmental MonitoringToxic PlumeToxic Plume
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Combining Various Display MethodsCombining Various Display MethodsCombining Various Display Methods
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Oil Spill and ContaminationOil Spill and ContaminationOil Spill and Contamination
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Site Location and Client DistanceSite Location and Client Distance
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Modeling of Future TrendsModeling of Future Trends
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Clusters and Comparison of DataClusters and Comparison of Data
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Loma Linda Hospital FacilitiesLoma Linda Hospital Facilities
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• Olympics— http://citymap.cityofsydney.nsw.gov.au/
• National Geographic Map Machine— http://www.nationalgeographic.com/maps.index.html
• Find a Home — http://www.realtor.com
• ATM Locator — http://www.visa.com
• Store Locator — http://www.godiva.com
• GIS Info — http://www.gis.com