GEOG101_-_Lecture_04

GEOG101_-_Lecture_04 - Introduction to Mapping Eva...

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Unformatted text preview: Introduction to Mapping Eva Dodsworth Jon Morgan Geospatial Data Services Librarian Library Associate University of Waterloo Map Library EV1, room 246 Visual Literacy Map reading and map writing are lifelong literacy skills. A map is : A graphical representation of the earth and its people A map is a more economical, practical, clearer and more memorable way of giving directions and expressing spatial relationships than writing the same information using only words and sentences. Everyday information is becoming widely presented in map form Traffic Flows Flight Tracker fboweb.com What is Cartography? Cartography is the art and science of map making Types of Maps Topographic Thematic Topographic Maps NTS 40G/10 Pelee Island, Ontario 1/50 000 Scale. What information do they show? A topographic map identifies numerous cultural and natural ground features : CULTURE: roads, buildings, boundaries, railways, power transmission lines; WATER: lakes, rivers, streams, swamps, rapids; RELIEF: mountains, valleys, slopes, depressions; VEGETATION: wooded and cleared areas, vineyards and orchards; How are topographic maps used and by whom? Multiple uses Geographic planning Large scale architecture Mining Hiking Orienteering And many more! How to read a topographic map There are many elements of a topographic map How are topographic maps created? Airphoto Field Surveys Confirm ambiguous information (streams, wetlands) Measure maps basic control points Verifying Map Features Verification of ground features are done...
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This note was uploaded on 04/21/2010 for the course ARTS GEOG101 taught by Professor Geofferyshifflet during the Spring '10 term at Waterloo.

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GEOG101_-_Lecture_04 - Introduction to Mapping Eva...

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