GY 430 Exam 1 Study Guide Solutions
GIS - ANSWER- Geographic Information Systems
- Set of tools for collecting, manipulating, storing, examining, and outputting geographic data
Aspects of geographic data - ANSWER- location
- attributes
Types of geographic data files - ANSWER- themes
- maps
-...
Projection - ANSWER✔✔- Method for mapping the ellipsoid of the Earth onto a flat sheet
Conformal projection - ANSWER✔✔- All angles in the original feature are preserved
- Shapes are preserved, features are distorted
- Example: Mercator
Equal Area projection - ANSWER✔✔- All regions on the projection are represented in correct relative size
- Shapes are distorted
- Example: Lambert Equal Area projection
Polar coordinate system - ANSWER✔✔- uses angles (or azimuth) and distance to define a location
Spherical coordinate system - ANSWER✔✔- covers the entire sphere of the world
- a.k.a. Geographic Coordinate System
- example: latitude & longitude
Latitude & Longitude - ANSWER✔✔- parallels are lines of latitude, run E-W
- meridians are lines of longitude, run N-S
Page 2/11
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Emillect. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
