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Water Temperature Prediction Models in Northern Coastal Area, Vietnam

Author

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  • Nguyen Xuan Trinh
  • Tu Quang Trinh
  • Thanh Phuong Phan
  • Tung Nguyen Thanh
  • Bach Nguyen Thanh

Abstract

This paper presents the results of regression models (linear, nonlinear and stochastic regression) and artificial neural network models (ANN) using observed data of daily maximum air and water temperature at Bai Chay station in the coastal areas of Northern Delta, Vietnam. The accuracy of the models was evaluated and compared by R, RMSE, RMSE% and E indicators. The ANN model was highlight results with the RMSE = 1.24; R = 0.98; E = 0.9; RMSE% = 4. The results of the study also show that daily water temperature is affected by daily maximum and average air temperature of previous 1 and 2 days. The main contribution of this study is to identify the appropriate models and time lag factors for water temperature prediction from the air temperature applied to neighboring meteorological stations without water temperature monitoring data. The results of the study could be used as a basis for determining the spatial distribution of water temperature risk to aquaculture in the coastal areas of Northern Delta, Vietnam.

Suggested Citation

  • Nguyen Xuan Trinh & Tu Quang Trinh & Thanh Phuong Phan & Tung Nguyen Thanh & Bach Nguyen Thanh, 2019. "Water Temperature Prediction Models in Northern Coastal Area, Vietnam," Asian Review of Environmental and Earth Sciences, Asian Online Journal Publishing Group, vol. 6(1), pages 1-8.
    • Handle: RePEc:aoj:areaes:v:6:y:2019:i:1:p:1-8:id:709
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