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Cartography
BSC Geography 2nd Semester

BY: Jackxs Lee

Image creditgoogle
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ac
Bibliography

Referencesoldamu
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in study
materials compilation
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Concept of Thematic Cartography:
Importance of Thematic Maps
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Diagrammatic Data Presentation - Line

Syllabus

graph- Simple, Polygraph, Combined
Line12Graph
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Climograph,
Hythergraph, Erograph"
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Representation of Data: Choropleth,
Isopleths, Dot & Point Data

4
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What is Cartography
Cartography can be defined as a branch
geography that studies the art, science
and techniques of map and chart
making
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Concept of
Thematic
Cartography:

What is Thematic Map
Thematic Map is a type of map specially
designed to show a particular theme or
purpose
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

Thematic Map is based on a specific theme or a
particular subject
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

It shows single information (e
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weather, rail
route, air route, road route, population density etc
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While the general map shows a variety of
features (multiple information) in a single map
...
g
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In other words, we can
say that the Thematic maps are useful in studying
the relationship between two or more variables in a
region
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

Thematic Maps can be used for spatial data
analysis, formulating hypotheses, synthesizing
spatial data by revealing patterns and relationships,

Importance of
Thematic Maps

Examples

Examples

Examples

2
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 A simple line graph is a kind of graph
that is plotted with only a single line
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This form of
statistical method is used to portray
more than one dependent variable

Polygraph

 A compound line graph is also known

Compound Line
Graph or Band
Graph

as a cumulative line graph
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Compound Line
Graph or Band
Graph
Example

 It is made by Griffith Taylor in first-half of 20th

Climograph

century
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In the graph,
the wet-bulb temperature (degree F) is plotted
on Y-axis and the relative humidity as monthly
average on X- axis
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These
points are then joined to obtain a 12-sided
figure, which is called the climograph of a
particular place
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Monthly temperature is plotted on Y-axis and
rainfall along X- axis

Hythergraph

 An ergograph is a graph that shows a relation
between human activities and a seasonal year
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Example

Choropleth
Map

 An isoline or isopleth map is a map with continuous
lines joining points of the same value
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Isopleth Map

 A dot map is a map type that uses a dot symbol
to show the presence of a feature or
phenomenon found within the boundaries of a
geographic area
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Result is the 1 dot equals
to that number(Let X)

 Now divide all numbers by result(X) to get

Example and
construction

number of dots for all
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ac

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