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Geographic Tools and Types of Maps

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by

amy lowry

on 7 September 2016

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Transcript of Geographic Tools and Types of Maps

Types of Maps
photo credit Nasa / Goddard Space Flight Center / Reto Stöckli
shows the major physical features of an area, such as rivers, mountains, vegetation and elevation.
PHYSICAL MAP
Show the major boundaries
between countries or states.
Political Map
Shows political boundaries from the past.
With a historical map, you should pay close
attention to the names of countries, political borders,
and the location of cities. T
hese may be different
than they are today.
Historical Maps
THEMATIC MAPS
Show information relating to a
specific theme
, for example: the spread of a religion or trade routes
Shows where people live
in a specific area.
POPULATION DENSITY MAP
Shows the major natural resources
and agriculture and industrial
products of an area.
RESOURCE OR PRODUCT MAP
Tools of Geography
Geoography uses scientific approaches to examine
and understand
where things are located.
SONAR
SOUND
NAVIGATION
& RANGING
it analyzes sounds
to determine distance
and direction
SATELLITES
Remote sensing technology
Scientist can compare older
and more recent images to
identify changing in land use,
vegetation , and urban growth.
GPS
Global
Positioning
System
satellites broadcast extremely accuate time meausrements, and it is used to provide information about location.
GIS
Geographic
Information
System
uses computer technology to collect, manipulate, analyze, and display data about the earth's surface in order to solve geographic problems.
Globes

are spherical,
three-dimensional representations of the Earth.
Not very practical or portable
much of the time

Maps , which are 2-dimensional & easier to use
but give a
distorted picture
b/c the earth’s surface is flattened to create the map.

Before GPS
MAPS

Although
maps have evolved
through the ages, the
function has remained the same—
they continue to be u
sed to show Locations of places, landforms,
and bodies of water, & where
they are in relation to other
parts of the earth.

Other tools used by Geographers

Geographers also use photos, models, cross sections, and many other tools for analysis
Topographic Map
shows natural and man made features

Navigational Map

are mostly used by sailors or pilots
Landsat
a series of satellites orbiting 100 miles above the earth.

GOES:

Geostaionary Operational Environmental Satellite :
a weather satellite

.
GPS was originally developed by the military

Uses
24 satellites called Navstars
to beam info to earth. The exact position--latitude, longitude, time, and altitude—is displayed on a hand-held receiver
A personal
GPS
device provides
the
absolute location
to the user.
Another Locator finder is the Magnetic compass introduced by the Chinese around the 1100’s helped to accurately determine direction,
Relative location.

Contour Map
shows lines and shape of a region
since the first satellite was sent into orbit in the 1950's scientist and geographers have been using Satellites to see the earth
The Science of Map Making

1. Survey the land:
Map Maker is called a CARTOGRAPHER
Full transcript