APPLICATIONS OF MARS REGRESSION FOR ESTIMATING BED LOADS CASE STUDY: BASINS OF KHORASAN RAZAVI PROVINCE, IRAN

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REZAEE PAZHAND H.; JANFADA M.

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Journal: IRAN-WATER RESOURCES RESEARCH Year:2014 | Volume:9 | Issue:3 (28) Page(s): 88-93

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Title

APPLICATIONS OF MARS REGRESSION FOR ESTIMATING BED LOADS CASE STUDY: BASINS OF KHORASAN RAZAVI PROVINCE, IRAN

Author(s)

REZAEE PAZHAND H. | JANFADA M. | Issue Writer Certificate

Keywords

MARS MODELQ2

POWER MODELQ2

EXPONENTIAL MODELQ2

EXTRAPOLATIONQ2

STATISTICAL CRITERIAQ2

PHYSICAL CRITERIAQ2

Abstract

The conventional methods for estimating the suspended load in rivers are using the sample of debit-sediment and fit them into exponential patterns, POWER MODEL, neural networks, or frequency distribution table. In high flood flows these models cannot be extrapolated and their estimations are unrealistic. This is due to the bounded water power to carry suspended load (physical properties). Multivariate Adaptive Regression Spline (MARS) model are proposed in this paper to pass this limitation. MARS is a piecewise linear spline model that has better performance in EXTRAPOLATIONs. The MARS exponential and POWER MODELs were fitted on debit-sediment data of 23 stations khorasan razavi province in this article. The results were compared in two modes of interpolation and EXTRAPOLATION and base on statistical and PHYSICAL CRITERIA. STATISTICAL CRITERIA models included the R2adj, sum of squares error (SSE), generalized cross validation (GCV), and diagnostic residual. The PHYSICAL CRITERIA included realistic estimation of the sediment in two modes of interpolation and EXTRAPOLATION. The results showed the superiority of MARS MODEL to other practices.

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APA: Copy

REZAEE PAZHAND, H., & JANFADA, M.. (2014). APPLICATIONS OF MARS REGRESSION FOR ESTIMATING BED LOADS CASE STUDY: BASINS OF KHORASAN RAZAVI PROVINCE, IRAN. IRAN-WATER RESOURCES RESEARCH, 9(3 (28)), 88-93. SID. https://sid.ir/paper/99861/en

Vancouver: Copy

REZAEE PAZHAND H., JANFADA M.. APPLICATIONS OF MARS REGRESSION FOR ESTIMATING BED LOADS CASE STUDY: BASINS OF KHORASAN RAZAVI PROVINCE, IRAN. IRAN-WATER RESOURCES RESEARCH[Internet]. 2014;9(3 (28)):88-93. Available from: https://sid.ir/paper/99861/en

IEEE: Copy

H. REZAEE PAZHAND, and M. JANFADA, “APPLICATIONS OF MARS REGRESSION FOR ESTIMATING BED LOADS CASE STUDY: BASINS OF KHORASAN RAZAVI PROVINCE, IRAN,” IRAN-WATER RESOURCES RESEARCH, vol. 9, no. 3 (28), pp. 88–93, 2014, [Online]. Available: https://sid.ir/paper/99861/en

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