What is another word for river bottoms?
Pronunciation: [ɹˈɪvə bˈɒtəmz] (IPA) 
River bottoms refer to the low-lying areas alongside a river, which are frequently flooded. Synonyms for river bottoms include floodplains, alluvial plains, riverbanks, lowlands, riverine wetlands, riparian zones, and river terraces. A floodplain is a broad, flat area adjacent to a river that is subject to flooding. Alluvial plains are areas that have been formed by the deposition of sediment by a river. Riverbanks are the slopes up to the edge of a river. Lowlands are areas of land that are at or near sea level. Riverine wetlands are habitats of freshwater around a river. Riparian zones are transitional areas between land and water, and river terraces refer to the flat-topped bench-like surfaces in ancient flood plains.
