Deep Daryl wants to know how much water is in his lake. He knows that the average depth of his lake is 8 meters. The shape of his lake is a rugged oval and measures 80 meters in length, $L$. To estimate the area of the surface, Daryl took various width measurements in meters, $W$, to match with a given place along the 80 meter length. These measurements are as follows:
Using a Trapezoid Riemann Sum, estimate the volume of the water to the nearest whole cubic meter.