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An effective dynamic runoff-sediment yield modeling for Shakkar watershed, Central India

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Abstract

Modeling of the watershed runoff and sediment yield method is very variable and nonlinear in nature. The Shakkar watershed of the Narmada river basin, Central India, has been taken under the study. The linear dynamic (LD), nonlinear dynamic (NLD), and logarithm dynamic (LogD) sediment yield prediction models based on the concept of determining and assigning the varying weightings to the antecedent events for the runoff-sediment process were developed for the watershed. The data set (1990–2005) model was developed only by using active daily runoff data, together with the antecedent runoff index (AQI) and antecedent sediment yield index (ASYI). Due to the high value of R2 (over 60%), the linear, nonlinear, and logarithm dynamic model was discovered to be appropriate for the field of research. The Nash-Sutcliff efficiency (NSE), mean absolute error (MAE), and Willmott’s index (WI) were employed to assess the performance of the models. The results showed that the NLD model was found better than linear and logarithm models. These models had Nash-Sutcliff efficiency (NSE = 92.69, 64.93, 79.66), mean absolute error (MAE = 5744.20, 12,618.83, 0.02), and Willmott’s index (WI = 0.98, 0.88, 0.95) correspondingly. Hence, the NLD model can be used for predicting sediment. In order to take the right conservation steps in the watershed to minimize the sediment load in the reservoir to boost the lives of the structure, the forecast for the sediment yield is of great importance.

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Abbreviations

LD :

Linear dynamic

NLD :

Nonlinear dynamic

LogD :

Logarithm dynamic

AQI :

Antecedent runoff index

ASYI :

Antecedent sediment yield index

NSE:

Nash-Sutcliff efficiency

MAE:

Mean absolute error

WI:

Willmott’s index

Q :

Runoff

S:

Sediment

SY:

Sediment yield

MT :

Metric Tonne

m 3 /s :

Meter cube per second

k0, k1, k2, k3 :

Regression coefficient

R 2 :

Correlation coefficient

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Acknowledgments

The authors would like to thank all the anonymous reviewers for their valuable comments and suggestions. We also thank the Central Water Commission (CWC), Bhopal, for providing the runoff and sediment yield data.

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Correspondence to Sarita Gajbhiye Meshram.

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The authors declare that they have no conflict of interest.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Responsible Editor: Broder J. Merkel

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Meshram, S.G., Meshram, C. An effective dynamic runoff-sediment yield modeling for Shakkar watershed, Central India. Arab J Geosci 13, 1248 (2020). https://doi.org/10.1007/s12517-020-06162-4

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  • DOI: https://doi.org/10.1007/s12517-020-06162-4

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