lˈɛviːz tˈɛnd təbi stˈiːpɚ wɛn ðeɪ fˈɜːst fˈɔːɹm ænd ɑːɹ klˈoʊs tə ðə tʃˈænəl, ðˈɛn ɡɹˈædʒuːəli lˈɛvəl ˈaʊt æz ðeɪ ɡɹˈoʊ ænd ðɛɹ ɡɹˈeɪn sˈaɪz dˈiːkɹiːsᵻz.
Levees tend to be steeper when they first form and are close to the channel, then gradually level out as they grow and their grain size decreases.