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Why Maps Can you use a square globe? Could you fold up a globe and put it in your pocket? Why do we need maps? What types are there?
Map Makers Cartography: map making Develop a way to put a curved surface onto a flat surface (Map Projection) Mercator Gnomonic Conic Are the most common projections
Wrap a cylinder around a globe. Meridians appear straight. This creates distortion near the poles where the meridians normally come together.
Mercator Projection Compass directions appear as straight lines Latitude & Longitude are shown clearly and easily measured with a ruler. Shapes are shown correctly.
Imagine a sheet of paper touching a globe at one point (tangent) Little distortion occurs at the point of contact. It is usually the poles.
Gnomonic Projection There is a great distortion in both directions from the point of contact. Used in navigation of great circle routes Great circle appears as a straight line on these maps.
Conic Projection Cone placed over a globe so that the axis of the cone is aligned with the axis of the globe. Cone touches the globe along one parallel.
Conic Projection The area near the contacted latitude has the least distortion. Good for studying a specific area.
Polyconic Projection Placing many conic map projections together can give you a continuous map. The relative shape and size of small areas are the same as the globe.
Understanding Maps- Cartography. The Olde World Maps vs. Globes 2 dimensional Flat Distorted Shows small details Handy/can fold 3 dimensional Spherical.
EARTH AND SPACE SCIENCE Chapter 3 Models of the Earth 3.2 Mapping Earth’s Surface.
Models of the Earth Section 2 Preview Objectives How Scientists Make Maps Map Projections Reading a Map Information on Maps Section 2: Mapping Earth’s.
Why Not?????. Section 3.2 Mapping Earth’s Surface Objectives Explain two ways that scientists get data to make maps. Describe the characteristics and.
Mapping the Earth’s Surface Chapter 3.2. Mapping the Earth’s Surface 1.Mapping the Earth’s Surface a.Globes are very useful in studying large features.
Map Projections. Students must be able to identify and understand the following projections. Mercator Polar Robinson.
How maps and globes represent our Earth?. Maps and Globes Map is a flat model of all or part of Earth. Globe is a sphere that represents Earth’s entire.
Mapping Earth’s Surface. Objective Explain two ways that scientists get data to make maps. Describe the characteristics and uses of three types of map.
LECTURE 3B – CHART PROJECTION. Introduction to Chart Projection Usually we read chart in coordinate system. A projected coordinate system is defined.
Warm Up Journal 09/05 1. The lines on the map to the right indicate _________________. 2. Explain the difference between rotation and revolution? 3. How.
Maps. Compare the size of Greenland to Africa. Maps What is wrong with this map? It is flat. The longitude lines are parallel; in reality they should.
Map Projections. Maps vs. Globe The only way to accurately represent the Earth is on a globe. Since globes are round like the Earth, they show the correct.
Chapter 3 p Mapping the Earth. Chapter 3 p Why Study Maps? Why do we need maps? Why do we need maps? What types of maps are there? What.
Unit 1: The World in Spatial Terms Lesson 12: Comparing Map Projections.
1 Ch. 1: “Introduction to Earth Science” 1.3: “Representing Earth’s Surface”
Map Reference point Cardinal directions Latitude equator A model or representation of the Earth’s surface Is a fixed point on the Earth’s surface from.
Chapter 3. Models of the Earth In order to locate points on Earth, we use models. Two general types of models: Maps Globes 2-Dimensional3-Dimensional More.
Mapping the Earth’s Surface Created By: Mr. Kreeger.
Maps and Globes. An Earth Reference System Maps and Globes ► Maps and globes show shape, size, and position of Earth’s surface features. ► Map – Model.
Mapping and Projections Web resources: Geographer’s Craft, Department of Geography, University of Colorado at Boulder - particularly Peter H. Dana’s part.
Map Projections Reference Globe Transformation Map Projection Reference Ellipsoid Sphere of Equal Area Geoid 3D-2D Transformation Process.
Chapter 3 Section 1 Modeling the Planet Objectives: -Explain how maps are models of Earth -Compare and contrast three types of map projections -Use latitude.
Chapter 2, Section 2. If you were standing on Earth…how would you know what shape it was? If you were sailing…how would you figure out the shape of Earth?
Reading Maps Earth Science Mr. Bimber. Map Projections: You cant draw the round earth on flat paper, so all maps are distorted. Take a transparent globe.
2.3: Modeling Earth’s Surface Fall Semester 2015.
Chapter 3, Section 2 Standards IE 1h. Read and Interpret maps. Objective 1Describe the characteristics and uses of three types of map projections. Objective.
Geography Section 2 Chapter 1 Maps and Globes Globes Globes are great, but won’t fit in your pocket. Can’t make it large enough to see your community,
Physical Geology Chapter 3 Review. Latitude - The distance north or south of the earth's equator. 0 degrees latitude is the equator, the "belt" that goes.
Latitude/ Longitude. What is the latitude/longitude.
Map Projections. Georegistered ? Representing a curved surface in a flat plane Locating that plane on the earth 3 issues –sphere –datum –projection.
Map Projections, Cartographic Concepts -Map Projections -Coordinate Systems.
Maps show natural and human-made features. Q. What is the difference between a globe and a map? A. A globe is a sphere that represents Earth, while a.
All maps will provide you with a Arrow indicating both truth North (the precise top axis of the earth’s spheroid) and a magnetic north which indicates.
Navigation NAU 102 Lesson 3. The Nautical Chart A graphical representation of part of the earth. Shows water depths, shoreline, prominent land features,
What is a map projection? A way of showing the curved surface of the earth on a flat map.
Global Grid Mapping a 3-dimensional world in 2 dimensions.
52 RCACS Ground School Navigation PO 404 EO 3 “Projections”
Introduksi © 2005, Austin Troy. Map Projection © 2005, Austin Troy This is the method by which we transform the earth’s spheroid (real world) to a flat.
Cartography Cartography is the science of mapmaking. Cartographers use an imaginary grid of parallel lines and vertical lines to locate exact points.
Goals: 1. Differentiate between latitude and longitude. 2. Understand that a topographic map is a 2-D model that displays 3D information 3. Describe map.
+ HOW TO READ A MAP …. LIKE A PRO IDENTIFY THE BASICS.
Map Projections RG 620 May 16, 2014 Institute of Space Technology, Karachi RG 620 May 16, 2014 Institute of Space Technology, Karachi.
Models of Earth. Globes are 3-Dimensional Models of the Earth.
EndlessYouTube: Repeat/Loop/Replay YouTube EndlessYouTube: Repeat/Loop/Replay YouTube EndlessYouTube: Repeat/Loop/Replay YouTube.
Map Projections RG 620 Week 5 May 08, 2013 Institute of Space Technology, Karachi RG 620 Week 5 May 08, 2013 Institute of Space Technology, Karachi.
Models of the Earth. Earth Very nearly perfect sphere No top, bottom or sides Earth’s axis of rotation can be used to establish reference points.
MAP PROJECTIONS Methods of presenting the curved surface of the Earth on a flat map.
Map Projections Problem: Project a sphere onto a flat surface. Scale Alternative projection methods Distortions Terminology of map projections Maps - Resource.
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