京都大学 · 地球惑星科学
Bahareh Kamranzad教授の研究室では、気候変動が波浪環境に与える影響を高解像度数値シミュレーションを用いて定量的に評価する研究が進められています。特に、波エネルギーの持続可能性や長期的変動の影響を検証し、インド洋や中国南岸周辺を対象に、波力の長期的変化とその評価に必要な時間スケールの重要性を明らかにしています。また、データが乏しい海域における波浪モデルの妥当性や、再解析データの性能比較についても精力的に研究しています。
Figures are computed from collected data and may differ slightly.
In this study, based on 55 years’ worth of high-resolution simulated wave data using numerical modeling off the southern coasts of China, intra-annual and decadal variations of the wave climate and wave energy were evaluated. The results show that it is important to consider a sufficiently long time period for wave energy assessment to take into account the changing climate. The high-resolution wave dataset enabled the quantitative analysis in both nearshore and offshore, and the quantitative an
The sustainability of wave energy linked to the intra- and inter-annual variability in wave climate is crucial in wave resource assessment. In this study, we quantify the dependency of stability of wave energy flux (power) on long-term variability of wind and wave climate to detect a relationship between them. We used six decades of re-analysis wind and simulated wave climate in the entire globe and using two 30-yearly periods, we showed that not only the previously suggested minimum period of 1
The wave energy resources in the Indian Ocean can be considered as a potential alternative to fossil fuels. However, the wave energy resources are subject to short-term fluctuations and long-term changes due to climate change. Hence, considering sustainable development goals, it is necessary to assess both short-term (intra-annual) variation and long-term change. For this purpose, the simulated wave characteristics were utilized, and the wave power and its variation and change were analyzed in t
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