Definition of Flood

Flood can be defined as a body of water, rising, swelling and overflowing land not usually thus covered. Also, overflowing of the bank of a stream, lake or drainage system of water onto adjacent land as a result of storm, ice melt, tidal action and channel obstruction.

Article Index

Flood Management - Programme and Activities
Flood Management in Malaysia
Non Structural Measures
Integrated Flood Management
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Types and Nature of Flood

There are no formal categorizations of floods in Malaysia but is often broadly categorised as monsoonal, flash or tidal floods. In addition, floods are also described based on its location, characteristics, the cause, the timing as to when it occurs and its duration.

Causes of flood

1) Natural Causes of flood: Short, high intensity leads to flash flood, heavy widespread rain leads to land inundation

2) Human Induced floods: Disposal of solid wastes into rivers, sediments from land clearance and construction areas, increase in impervious areas and Obstruction and constriction in the rivers