AU - Vaghefi, mohammad AU - Ahmadabadi, ali AU - Fathnia, amanollah AU - Ghodsian, masoud TI - Comparison of Interpolation Methods in Study of Bed Topography on Channels Bend PT - JOURNAL ARTICLE TA - ijwmse JN - ijwmse VO - 3 VI - 6 IP - 6 4099 - http://jwmsei.ir/article-1-98-en.html 4100 - http://jwmsei.ir/article-1-98-en.pdf SO - ijwmse 6 ABĀ  - The study of changes of sediment beds is of the issues which has attracted River engineers. Attention toinvestigate the rate of scour and sedimentation is significant in bend of rivers rather than straight rivers.The change of bed topography, scour and sedimentation pattern have caught the attention of hydraulicengineering profession. This paper examines the topography changes using experimental data in 90 degreebend and bend with T shape spur dike in outer bank. For this purpose interpolate methods such as IDW,KRIGING and SPLINE Tension used to convert point measurement to continuous surfaces. Accuracyassessment accomplished by validation method. The result showed that KRIGING methods have bestaccuracy to create surfaces for studying bed topography in Bend Rivers. CP - IRAN IN - LG - eng PB - ijwmse PG - 17 PT - Research YR - 2009