To provide a method for measuring deposited sand volume which speedily and accurately measures a volume of deposited sand for effectively removing the same.
A method is for calculating a volume (an amount) of earth and sand mixed with foreign matters (called deposited sand T), which is deposited on agricultural land due to a tsunami and is to be removed, by setting a predetermined point as well as many calculation points P (P1-Pk-Pn) on a surface of the deposited sand T. In the method, a height of the predetermined point is surveyed; differences in height between the predetermined point and the calculation points are measured by a GPS; the heights of the calculation points are calculated by adding the surveyed height to the measured height; and the volume of the deposited sand T to be removed is calculated from depths of the predetermined point as well as each calculation point of the deposited sand T which are respectively defined by the heights of the predetermined point as well as each calculation point.
YAMADA HIROAKI
SUGIMOTO ATSUSHI
YAMAMOTO TSUNEHEI
KAWANO KOICHI
SUGANO FARM MACH MFG CO LTD
| JP2003239328A | 2003-08-27 |
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