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Development of an adaptive neuro-fuzzy inference system (ANFIS) model to predict sea surface temperature (SST) Cover

Development of an adaptive neuro-fuzzy inference system (ANFIS) model to predict sea surface temperature (SST)

By: Semih Kale  
Open Access
|Nov 2020

Figures & Tables

Figure 1

Location of the study area
Location of the study area

Figure 2

ANFIS structure
ANFIS structure

Figure 3

Comparison of ANFIS-SC and ANFIS-GP models for the observed and predicted SST values in the Çanakkale Strait
Comparison of ANFIS-SC and ANFIS-GP models for the observed and predicted SST values in the Çanakkale Strait

Figure 4

Scatter plots of ANFIS-SC and ANFIS-GP models for the observed and predicted SST values in the Çanakkale Strait
Scatter plots of ANFIS-SC and ANFIS-GP models for the observed and predicted SST values in the Çanakkale Strait

Figure 5

3D surface visualization of the relationship between the input and output for the ANFIS-SC4 model
3D surface visualization of the relationship between the input and output for the ANFIS-SC4 model

Figure 6

3D surface visualization of the relationship between the input and output for the ANFIS-GP4 model
3D surface visualization of the relationship between the input and output for the ANFIS-GP4 model

Figure 7

3D surface visualization of the relationship between the input and output for ANFIS-SC3 and ANFIS-GP3 models
3D surface visualization of the relationship between the input and output for ANFIS-SC3 and ANFIS-GP3 models

Figure 8

3D surface visualization of the relationship between the input and output for ANFIS-SC2 and ANFIS-GP2 models
3D surface visualization of the relationship between the input and output for ANFIS-SC2 and ANFIS-GP2 models

Performance of different ANFIS models in modelling SST (°C) for the Çanakkale Strait

ANFIS ModelStageMAEMSERMSEMAPENSER-squared
Training1.0042.1901.4806.3660.8850.922
SC1Validation0.4591.2191.1042.5960.6080.831
Total1.4633.4091.8468.9630.8460.846
Training0.8001.4121.1884.7250.9260.932
SC2Validation0.3270.7510.8671.9190.7580.770
Total1.1272.1631.4716.6440.9020.902
Training0.7921.3681.1694.6690.9280.934
SC3Validation0.3280.7460.8641.9240.7600.770
Total1.1202.1141.4546.5940.9040.905
Training0.5710.7250.8513.3230.9620.962
SC4Validation0.2050.2540.5041.1960.9180.900
Total0.7760.9780.9894.5190.9560.956
Training1.0572.4401.5626.6640.8720.907
GP1Validation0.4531.1641.0792.5690.6250.842
Total1.5103.6041.8989.2330.8370.838
Training0.8121.4801.2174.8940.9220.929
GP2Validation0.3390.8650.9301.9750.7220.734
Total1.1522.3461.5326.8690.8940.894
Training0.7931.4431.2014.7630.9240.931
GP3Validation0.3410.8620.9281.9720.7230.736
Total1.1342.3051.5186.7350.8960.896
Training0.4860.5330.7302.7090.9720.972
GP4Validation0.2620.6770.8231.5560.7820.753
Total0.7481.2101.1004.2650.9450.946

Basic statistics of the measured factors in the Çanakkale meteorological observation station

VariableMeanUnitSESDMaximumMinimumCorrelation with SST
Air Temperature18.90°C0.305.3728.505.300.91
Evaporation169.05mm4.2375.32366.6029.500.75
Precipitation33.73mm2.1638.50222.200.00−0.48
SST18.96°C0.264.7126.707.501.00
DOI: https://doi.org/10.1515/ohs-2020-0031 | Journal eISSN: 1897-3191 | Journal ISSN: 1730-413X
Language: English
Page range: 354 - 373
Submitted on: May 22, 2020
Accepted on: Jun 19, 2020
Published on: Nov 26, 2020
Published by: University of Gdańsk
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2020 Semih Kale, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.