Gradients309m06gradients.pptDept of Agricultural Bioresource Engineering--dHt = HtA - HtB = 0 m A5 m-5 m0 m B8 m-8 m0 mHpHzHtdHt = HtA - HtB = 0 m A5 m5 m10 m B8 m2 m10 mHpHzHtRef is pool bottomRef i