The value of hazard zone mapping: Water Authority 'Section 24(5) surveys' in England and Wales.

摘要: Successful problem-solving is usually based upon a sound knowledge of the problem. Where problem hazard, impossibility 'solution' in terms complete prevention well known but proper assessment still required. Detailed hazard zone mapping can be valuable aid to planning reduce hazards and avoid disasters. A map powerful visual medium for conveying information where awareness disaster proneness amongst public officials others limited. However, also comparatively limited analysing risks most useful planners if combined with detailed supporting documentation. Maps related documents are particularly they provide risk, periodically updated, integrated process systematically compiled presented at an appropriate scale. Map scale often presents problems. The larger scale, less will recording detail updating becomes more costly therefore likely. Water Authorities Section 24(5) surveys remarkably research materials. They demonstrate widespread nature flooding problems need decades flood alleviation drainage expenditure England Wales. Further standardisation content presentation could enhance value survey reports their depends ultimately regular systematic updating.