A performance evaluation of neuro-fuzzy and regression methods in estimation of sediment load of river
Author(s):
Abstract:
Application of Neuro-fuzzy and tree regression models is not too old in hydrology of river sediments and also in watersheds and in this regard, sediment rating curves have been identified as the most common method for estimating sediment. In this study for comparison and correction of estimation methods of river sediment load, estimated rates of several uni-variate types of sediment rating curves and a multivariate type of sediment rating curves were investigated with Neuro-fuzzy and tree regression models in five selective hydro-metric station of different climatic zones of Iran and with various indexes of the accuracy and the precision. The results show that the mean of the accuracy index of Neuro-fuzzy and tree regression models in selective stations are 151 and 536 percent respectively which shows low efficiency compared with sediment rating curves. The results of the application of multivariate sediment rating curve in various station shows that the rate of the accuracy index of multivariate sediment rating curve in the best case is belong to Glinak station with the rate of 1.12. Also the average value of the accuracy index of multivariate sediment rating curve is 1.15 which is an acceptable amount to the other considered various methods.
Keywords:
Language:
Persian
Published:
Whatershed Management Research, Volume:28 Issue: 109, 2016
Pages:
104 to 113
https://www.magiran.com/p1694622
سامانه نویسندگان
مقالات دیگری از این نویسنده (گان)
-
بررسی وضعیت رسوب دهی چند رودخانه مرزی ایران در دوره های بلندمدت آماری و راهبردهای مدیریتی
*، رضا جعفری نیا
نشریه آماد و فناوری دفاعی، تابستان 1402 -
Evaluating the effectiveness of artificial neural network and multivariate regression methods in investigating the drawdown in the level of aquifers (case study: Arak plain aquifer)
Saadat Hanifian, MohammadReza Khaleghi *, Mohsen Najarchi, Reza Jafarnia,
Journal of Natural Environment, -
Investigation of soil erosion and soil moisture storage change through change in cropping pattern
Dadvar Lotfollahzadeh *, Masoud Yosefi
Iranian Journal of Rainwater Catchment Systems, -
The effect of crop rotation on Verticillium wilt and agronomical & non agronomical characters of cotton
M. Arabsalmani, A. Ghagarii, M. Yousefii
Journal of Applied Crop Research,