FIGURE4 Characteristics of þoods
Flash floods occur quickly and can be damaging to life and property.
Floods occur in rural areas. They can happen quickly or slowly.
Structures like dams can reduce the impact of a flood in downtown areas.
Floods occur in urban areas. They can happen quickly or slowly.
Tides can add to the height of floodwaters,
increasing the area flooded.
Waterway size
Rainfall and run-off are the major causes of floods in Australia.
Major cities built on floodplains also experience floods.
Tidal/storm surges
Soil moisture conditions
Checklist I have: • understood the title • examined all parts of the diagram — the illustrations, annotations and any accompanying text • assessed the diagram as a whole.
LESSON 8.13 SkillBuilder: Cardinal points — wind roses
LEARNING INTENTION By the end of this SkillBuilder you should be able to interpret wind roses.
8.13.1 Tell me What is a wind rose?
A wind rose is a diagram that shows the direction, speed and frequency of wind. We name wind direction according to the direction from which the wind is blowing. For example, a wind described as ‘a southerly’ is coming from the south. Wind direction can be described using 8 or 16 compass directions. To understand a wind rose, you must know your cardinal points. Let’s quickly revisit these.
Jacaranda Humanities Alive 7 Victorian Curriculum Third Edition
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