flood plain
Definition
Noun: A flood plain is a flat area of land next to a river or stream that is formed over time by sediment deposited when the river overflows its banks. This land is naturally prone to periodic flooding.
Usage
The term "flood plain" is used to describe a specific geographical feature. It is important in contexts like geography, environmental science, urban planning, and land management. * The city restricted new construction on the flood plain to reduce property damage. * The fertile soil of the flood plain is excellent for agriculture. * Ecologists study the unique ecosystem of the river's flood plain.
Advanced Usage
- "100-year flood plain": A regulatory term describing an area with a 1% annual statistical chance of flooding. It is a key concept in risk assessment and insurance.
- Their house was mapped within the 100-year flood plain, requiring them to purchase special insurance.
Variants and Related Words
- Floodplain (Noun): A common alternative spelling, written as one word.
- The two spellings, "flood plain" and "floodplain", are often used interchangeably.
- Alluvial plain (Noun): A closely related term for a plain formed by river sediment deposits, which may or may not be subject to frequent flooding.
Synonyms
- Bottomland: Low-lying land, typically along a watercourse.
- Riverside flat: A descriptive synonym emphasizing location and topography.
Related Phrases
- Flood plain management: The practice of managing activities and development in flood-prone areas to minimize risk.
- Effective flood plain management can save communities millions of dollars.
Noun
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a low plain adjacent to a river that is formed chiefly of river sediment and is subject to flooding
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