Taking the effect of tide prism into consideration,the motion of water and sand can be known and the formula for sedimentation of the surrounding basin can be further established based on the basic motion equation of water and sand,including distributing of erosion and deposition,total quantity of the deposition and average intensity of the deposition.

This paper summarizes the improvment to “configurational limiting method”,draws into and redefinits the important concept of couple areas,special area,ideal special area,arris, validity arris and so on,makes the further extending,testing and verifing to the application of “Euler formula”.

In the design of Avenue Park in Riverside District of Hangzhou,taking tideseeing in Qian Tang River as the theme,combining with historical stories and poems,the traditional forms of culture are reappeared.