$5\mathrm{.}3\mathrm{.}2$ A $2\mathrm{.}45-$m$-$wide rectangular channel with a discharge of $2\mathrm{.}83m\frac{3}{s}$ has a bed slope of $0\mathrm{.}003$ and Manning's roughness factor of $0\mathrm{.}015.$ What is the type of water surface profile for depths of $1\mathrm{.}52m,0\mathrm{.}061m,$ and $0\mathrm{.}30$ mf