the fundamentals of gis and - teachengineering · web viewa geographic information system (gis)...
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![Page 1: The Fundamentals of GIS and - TeachEngineering · Web viewA geographic information system (GIS) lets us visualize, question, analyze, and interpret data to understand relationships,](https://reader033.vdocuments.net/reader033/viewer/2022042023/5e7b67dbde8225663927cd6f/html5/thumbnails/1.jpg)
The Fundamentals of GIS andReal World Applications
“The application of GIS is limited only by the imagination of those who use it”.Jack Dangermond, Esri
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What is GIS?
• A geographic information system (GIS) lets us visualize, question, analyze, and interpret data to understand relationships, patterns, and trends.
• GIS benefits organizations of all sizes and in almost every industry.
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G - Geographic
• Geographic location: A spatial location that describes where something is physically located, using the geographic coordinate system (GCS). GCS consists of a latitude (y) coordinate and longitude (x) coordinate.
• All objects have an x and y location on earth. You have a geographic location even though your position is constantly changing as you move around.
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ExampleThe geographiclocation of this tree is:
35.125921 = Latitude-106.434002 = Longitude
Albuquerque, NM Latitude is the (y) axis, longitude is the (x) axis
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I - Information
• Information about the object, the tree.
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Example
• Species – Ponderosa Pine• Description – An evergreen, open-branched
tree native to western North America, adapted to well drained soils in Arizona and New Mexico
• Cones – Reddish to yellow-brown elliptic cones• Seeds – Winged brown-purple• Height – 75’• Condition of tree – poor, fair, good, excellent• And any other information you might want to
collect
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S – System(s)
• All the information about the tree is contained in a database which is attached to the geographic location.
• Put geographic and information together and they encompass a system.
• They work together to create the whole.
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GIS Technical Definition
• An integrated collection of computer software and data used to view and manage information about geographic places, analyze spatial relationships, and model spatial processes. A GIS provides a framework for gathering and organizing spatial data and related information so that it can be displayed and analyzed.
• GIS in its simplest form is "computerized mapping".
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AgriculturInsurance Real Estate
Retail Logistics
Media
Banking
Where is GIS Used?
Fire/Medical Emergency Services/Disaster
Forestry
Mining
Petroleum
Pipeline
Health
Transportation
Law Enforcement
Military Defense
Homeland Security
Local Government
National Government
Busin
es
Gove
rnm
en
Nat
ural
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Power Management ElectricityGas TelecommunicationsWater/Waste Water
Where is GIS Used?
Water Research
Higher Education
K-12 Education
Libraries and Museums
Vegetation
Wildlife
Land
Util
itie
Envi
ronm
ent
and
Educ
ation
and
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A Look At Some Applications
• National Park ServiceThe National Park Service GIS applications include mapping natural and cultural resources such as endangered species, archeological sites, historic sites, inventorying facilities and assets for management and emergency response, exotic plant management, and tracking wildlife.
• Yellowstone National Park Thermal Inventory• Map each feature using GPS• Conduct water testing such as PH and electrical
conductivity • Obtain the temperature of the feature• Photograph and describe the feature
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Police – Crime Mapping
• Keeping track of crimes in your neighborhood.
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TransportationRoad Conditions
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Do You Use GIS?
• Most likely the answer is yes. GIS is everywhere.
• If you have every used Google Maps, Apple Maps, or Bing for directions or to look up dining or shopping, you have used a GIS-based application.