Assessment of the Present and Future Offshore Wind Power Potential: A Case Study in a Target Territory of the Baltic Sea Near the Latvian Coast
Table 3
Results of comparison of global models and in situ data.
(a) MAD (m/s) between the simulated and observed long-term seasonal and annual wind speed (m/s) and air temperature (°C) data (1981–2010)
Winter
Spring
Summer
Autumn
Year
Wind speed
L1-CLM
−0.1
0.3
0.0
0.1
0.1
P-CLM
0.1
0.2
0.1
0.1
0.1
L2-CLM (2004–2010)
0.1
0.1
0.1
0.1
0.1
Air temperature
L1-CLM
0.2
0.1
0.3
0.2
0.4
P-CLM
0.4
0.3
0.3
0.4
0.5
L1 is observation station Liepaja 1; L2 is observation station Liepaja 2; P is observation station Pavilosta. Data have been computed for the four standard climatological seasons (e.g., winter is identified by December, January, February, and so on).
(b) Correlation coefficients between daily wind speed, air temperature, and atmospheric pressure (2004–2010)
Observation station-model
Winter
Spring
Summer
Autumn
Year
Wind speed
L1-Hirlam
0.93
0.92
0.93
0.93
0.91
L2-Hirlam
0.84
0.90
0.92
0.93
0.86
P-Hirlam
0.86
0.91
0.92
0.92
0.89
Air temperature
L1-Hirlam
0.98
0.98
0.95
0.98
0.95
P-Hirlam
0.97
0.99
0.95
0.98
0.93
Air pressure
L1-Hirlam
0.99
0.99
0.99
0.99
0.99
P-Hirlam
0.98
0.99
0.98
0.99
0.99
L1 is observation station Liepaja 1; L2 is observation station Liepaja 2; P is observation station Pavilosta. Data have been computed for the four standard climatological seasons (e.g., winter is identified by December, January, February, and so on).