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<br />... r <br />I <br /> <br /> <br />I <br />\ <br />, <br /> <br /> <br />I <br /> <br />e <br /> <br />PREFACE <br /> <br />The purpose of the workshop was to obtain oplnlons on the state-of- <br />the-art in determining downstream changes in river channels which result <br />from water diversions and reservoir construction. For this work.shop <br />three problems were selected and data assembled for each. Each <br />participant then used the supplied data to determine, within the limits <br />of the data supplied and the resources available, the nature of the <br />change in the river channel which would result from some theoretical <br />reservoir construction upstream. Two factors should be noted when <br />reading the workshop papers: <br /> <br />1. the data supplied was a sub-set of the total data available, <br />and <br /> <br />2. the participants had very limited resources to do their <br />analysis. <br /> <br />Al so the state-of-the-art of mathematical model ing using computer <br />programs was not explicitly considered in the results of the work.shop. <br />For these reasons, the results of the workshop should not be applied <br />without modification to any water management concerns about the real <br />rivers used for these data sets; in other words, a prudent individual <br />working on anyone of these three rivers would use the papers in this <br />proceeding as a very useful guide but do their own data collection and <br />analysis. The appendix material included is representative of the data <br />supplied; the purpose of including these data is to allow readers to <br />read the papers and then use the appendix data in formulating their own <br />approach to estimating the changes in the river channel. <br /> <br />i i ; <br /> <br />~ -itL_"",;,,...;jJ,';"I'::'.=-.l ,_.__._. ,,,_,--,",;.'fi.'I;;::.~...',.~.....~:_,.);o'.;;,,::a.'j.Ll~;Y)'t:'tjb'~~Zcii5i>,,J;;~:J...:w~;,i.i";;;"T.~-.;;:ii.,i":'~1:',J:1,,7~:;'::tti{~~'Z,:~:';:;":' <br />~_~""~""'~~-'~~,__,-,""""'_~""""'~'~"-""".''l"-~''''-''''''''--~ <br />