Changes between Version 204 and Version 205 of WikiStart


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Timestamp:
Oct 18, 2016, 3:55:43 PM (4 years ago)
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peakall3je
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  • WikiStart

    v204 v205  
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    3333== 2.2 Definition of the co-ordinate system ==
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     35The co-ordinate system is defined as follows. X is defined as zero at a position 56 cm upstream from the downstream end of the straight channel. This is the position that the basal ADV probe (ADV1) is located at when the traverse is at position X1. Position X4 (at the apex of bend 2) is 7.01 m downstream of position X1. The Y-direction is defined relative to the local channel cross-section at any given X-position. The zero position is defined as the right bank of the channel, as looking downstream. The z-position is defined locally from the bed of the channel, for any given XY position, with zero representing the bed.
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