# IB DP Geography Geographic Skills

- Isoline and isopleth maps
- Choropleth maps
- Topological maps
- Dot maps
- Flow maps
- Thematic maps
- Topographic maps
- Proportional symbols
- Aerial photographs
- Ground-level photographs
- Satellite images
- Scatter graphs
- Line graphs
- Bar graphs
- Compound graphs
- Triangular graphs
- Logarithmic graphs
- Bipolar graphs
- Pie charts
- Flow diagrams/charts
- Population pyramids
- Lorenz curves
- Cross-profiles (sections)
- Rose diagrams
- Development diamonds
- Not listed in the IB DP Geography Guide - but some interesting extras

### Isoline and isopleth maps

#### Example

#### Definition

Isolines are lines drawn on maps connecting data points of the same value. Isolines should have equal intervals between them numerically, and if shaded in a choropleth manner, the map can be known as an isopleth map.

carto.com

#### Possible DP Geography application

- Contour lines

#### Used in a recent DP Geography exams?

### Choropleth maps

#### Example

#### Definition

Choropleth Maps display divided geographical areas or regions that are coloured, shaded or patterned in relation to a data variable. This provides a way to visualise values over a geographical area, which can show variation or patterns across the displayed location.

The data variable uses colour progression to represent itself in each region of the map. Typically, this can be a blending from one colour to another, a single hue progression, transparent to opaque, light to dark or an entire colour spectrum.

datavizcatalogue.com

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Topological maps

#### Example

I improved the #Topologist's #Map with territorial disputes (white dotted) and the Lake Constance condominium between Austria, Germany and Switzerland. pic.twitter.com/Xaa6sxKH6a

— Peter Staub ⛰ 🗺 🚲 (@peterstaub) March 9, 2021

#### Definition

A topological map is a type of diagram that has been simplified so that only vital information remains and unnecessary detail has been removed.

Wikipedia

### Dot maps

#### Example

https://www.nbcnews.com/specials/covid-500-000-lives-lost-map/index.html

#### Definition

There are two types of Dot Map: one-to-one (one point represents a single count or object) and one-to-many (one point represents a particular unit, e.g. 1 point = 10 trees).

Dot Maps are ideal for seeing how things are distributed over a geographical region and can reveal patterns when the points cluster on the map. Dot Maps are easy to grasp and are better at giving an overview of the data, but are not great for retrieving exact values.

datavizcatalogue.com

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Flow maps

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Thematic maps

#### Example

#### Definition

A type of map that portrays the geographic pattern of a particular subject matter (theme) in a geographic area.

Wikipedia

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Topographic maps

#### Example

#### Definition

The distinctive characteristic of a topographic map is the use of elevation contour lines to show the shape of the Earth's surface.

USGS

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

#### Sources

### Proportional symbols

#### Example

#### Definition

Proportional symbol maps scale the size of simple symbols (usually a circle or square) proportionally to the data value found at that location. They are a simple concept to grasp: The larger the symbol, the “more” of something exists at a location.

Axis Maps

### Aerial photographs

#### Example

#### Definition

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Ground-level photographs

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Satellite images

#### Example

#### Definition

#### Possible DP Geography application

- 1.1.1 Global population distribution
- ee.1.2 Hot and arid

#### Used in a recent DP Geography exams?

### Scatter graphs

#### Example

6.3

#### Definition

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Line graphs

#### Example

3.1

2.2

#### Definition

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Bar graphs

#### Example

#### Definition

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Compound graphs

#### Example

Lots from our world in data

3.1

#### Definition

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Triangular graphs

#### Example

Civil society triangle 2.3

https://geographyfieldwork.com/TriangularGraphConstructor.htm

https://www.rgs.org/CMSPages/GetFile.aspx?nodeguid=f23c92f0-d610-4531-92ed-6c4ea22fb89a&lang=en-GB

#### Definition

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Logarithmic graphs

#### Example

Hjulstrom curve

#### Definition

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Bipolar graphs

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Pie charts

#### Example

6.2

#### Definition

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Flow diagrams/charts

#### Example

#### Definition

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Population pyramids

#### Example

1.2

#### Definition

#### Possible DP Geography application

#### Used in a recent DP Geography exams?

### Lorenz curves

#### Example

https://towardsdatascience.com/clearly-explained-gini-coefficient-and-lorenz-curve-fe6f5dcdc07