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A sensitivity study of surface wind simulations to PBL schemes for the southern part of Andhra Pradesh, India

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Abstract

Wind energy has the potential to play a vital role in fulfilling the world's rising energy needs. Due to the cubic relationship between wind speed and power, slight wind speed variations substantially impact power generation. Various wind speed assessment methods are available in the literature, and the Numerical Weather Prediction (NWP) methods are among them. However, its sensitivity analysis is required under the NWP model to estimate wind speed effectively. The planetary boundary layer (PBL) scheme is crucial in the sensitivity analysis. This work used a strategic approach with sensitivity analysis to estimate wind fields in the southern part of Andhra Pradesh, India, using the NWP model. The wind field is simulated using the WRF model, and the best configuration is determined by simulating nine distinct PBL parameterization combinations for four locations. Despite overestimation from 3 am to 8 pm and underestimation from 8 pm to 3 am, the mean absolute percentage errors are determined to be 6%, 9%, 14%, and 16%, respectively. The Weibull distribution mean, shape parameter, and scale parameter all have relative errors of 9.2%, 8.9%, and 15.36%, respectively. The developed methodology would be valuable in assessing wind resources.

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Data availability

The datasets generated and/or analyzed during the current study are available from the corresponding author upon request.

Abbreviations

AGL:

Above ground level

CU:

Cumulus parameterization

ECMWF:

European Centre for Medium-Range Global Weather Forecasts

Eta:

Eta-coordinate model

GFS:

Global Forecast System

LSM:

Land-surface model

MP:

Microphysics

NCEP:

National Center for Environmental Prediction

NWP:

Numerical Weather Prediction

PBL:

Planetary boundary layer

RA:

Radiation

WRF:

Weather Research and Forecasting Model

WWEA:

World Wind Energy Association

IRENA:

International Agency for Renewable Energy

NWP:

Numerical Weather Prediction

OhitS:

Objective Hit Score

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Acknowledgements

The first author is grateful to the Ministry of Human Resource Development (MHRD), Government of India, for providing financial support through a fellowship for the research work.

Funding

Authors have not received any grant for this research.

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Authors

Contributions

SBP: Conceptualization; Data curation; Formal analysis; Investigation; Methodology; Validation; Visualization; Writing—original draft, MK: Conceptualization; Resources; Software; Supervision; Writing—review & editing, RPS: Conceptualization; Resources; Software; Supervision; Project administration; Writing—review & editing.

Corresponding author

Correspondence to Sunil Babu Penugonda.

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The authors declare no competing interests.

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Penugonda, S.B., Singhal, M.K. & Saini, R.P. A sensitivity study of surface wind simulations to PBL schemes for the southern part of Andhra Pradesh, India. Stoch Environ Res Risk Assess 37, 3763–3777 (2023). https://doi.org/10.1007/s00477-023-02478-1

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  • DOI: https://doi.org/10.1007/s00477-023-02478-1

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