People can protect themselves by moving to higher grounds
Not living in a flood plain is usually sufficient.
flood defense systems
Theres not much you can do. You can build flood barriers, storm drains, anything you like. But the best thing that can be done is to retreat to high ground or quit building houses on natural flood plains.
flash flood wall
they build flood gates and barriers to protect houses
a flood plain should be protected or else people would build on one and won't survive
Flood is excluded
To protect them, to administer laws, to act as religious leader, to provide relief work when the Nile was in flood.
To protect people from the effects of floods, ensure that people do not build homes, factories, cities or towns in flood plains. Since that is not usually practical, the best way to protect both people and the land form floods is to control the waterways so that they do not flood. The US was deeply in vested in such controls during the 20th century, and it was found that flood controls sometimes have unintended negative effects, such as the destruction of salmon spawing grounds, erosion and loss of river deltas, and the silting up of stretches of rivers.
get to high ground, warn as many people as possible
hide underneath the school