igcse - map work basics

Map WorkMap WorkThe BasicsThe Basics

ScaleScale1:50000, 1:25000, 1 cm = 500m, etc. etc. 1:50000, 1:25000, 1 cm = 500m, etc. etc.

What does it all mean?What does it all mean?

ScaleScaleMeasure and calculate distance and area.Measure and calculate distance and area.

LocationLocationLocate points by grid reference ( 4 and 6 Locate points by grid reference ( 4 and 6

figure).figure).

LocationLocation

and latitude and longitude.and latitude and longitude.

LocationLocationOrientation by direction and bearing.Orientation by direction and bearing.

ReliefReliefShow height and slope - spot heights, Show height and slope - spot heights,

triangulation points, contours, layer and hill triangulation points, contours, layer and hill shading, cliff symbols.shading, cliff symbols.

http://www.cchs.co.uk/subjects/geography/ks3/resources/exercises/map-symbols/map-symbols.htm

ReliefReliefWorking out gradient – steep or gentle.Working out gradient – steep or gentle.

http://geology.isu.edu/geostac/Field_Exercise/topomaps/slope_calc.htm

http://www.geographyhigh.connectfree.co.uk/s3osintervisibilityd.html

http://147.238.144.82/umw/animations/ORD_005a6e.htm

ReliefReliefConstructing sketch and cross profiles.Constructing sketch and cross profiles.

http://geology.isu.edu/geostac/Field_Exercise/topomaps/topo_profiles.htm

The Key or LegendThe Key or LegendRecognize and interpret map symbols Recognize and interpret map symbols

commonly used on maps from different commonly used on maps from different countries.countries.

ImagingImagingGain familiarity with satellite images, Gain familiarity with satellite images,

ImagingImagingaerial and oblique photographs.aerial and oblique photographs.