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Marine current energy in Eastern Australia: Evolution of currents and mesoscale anticyclonic eddies

机译:澳大利亚东部的海洋当前能源:电流的演变和迈斯尺度反气旋漩涡

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As the demand for renewable energy continues to increase in developed and developing countries alike, marine current emerges as a desirable alternate energy source. Needless to say a detailed understanding of the physical characteristics and behaviours of marine currents is essential to catalysing more rapid commercialisation. In particular, the Eastern Australian Current (EAC) is formed as part of a bifurcation of the Pacific South Equatorial Current (PSEC) at approximately 15°S. The EAC rapidly moves South along the East Australian Coastline at speeds of up to 1.3 m/s before slowing at 31°S to 32°S and partially separating to service the Cross-Tasman Current. Using ECCO 2 data over a 25-year period, we map marine current velocities and directions over the oceans of the Asia-Pacific Region (APR), identifying numerous locations with high average velocity, however, significantly variable daily velocity. We particularly observe strong mesoscale anticyclonic eddies between 27°S and 35°S on the Australian East Coast and map changes in eddy behaviour over time.
机译:随着对可再生能源的需求继续增加发达国家和发展中国家,海洋目前作为理想的替代能源出现。不用说,详细了解海洋电流的物理特征和行为对于催化更快的商业化至关重要。特别是,东部澳大利亚电流(EAC)形成为太平洋南赤道电流(PSEC)在大约15°S的一部分的一部分。 EAC在31°S至32°S的速度下快速向东澳大利亚海岸线迅速移动到东澳大利亚海岸线,在31°S至32°S,并部分分离为跨塔斯曼电流。使用ECCO 2数据在25年内,我们将海洋当前速度和方向映射到亚太地区的海洋(APR),识别具有高平均速度的多个位置,然而,日常速度显着变化。我们特别观察到澳大利亚东海岸27°S和35°之间的强烈的Mesoscale防旱物漩涡,并随着时间的推移地图涡流行为的变化。

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