flˈʌdpleɪnz ɑːɹ fˈɑːɹ wˈaɪdɚ ðɐn ðə tʃˈænəl ðeɪ bˈoːɹdɚ, ɹˈiːtʃɪŋ wˈɪtθs ʌv ˌʌp tə wˈʌnhˈʌndɹɪd kɪlˈɑːmɪɾɚz, ænd ðɛɹ lˈɛŋθ ɪz tˈɛn tˈaɪmz ðˈæt.
Floodplains are far wider than the channel they border, reaching widths of up to 100 kilometers, and their length is 10 times that.