Model simulations of the M2 and the K1 tide in the Nordic Seas and the Arctic Ocean
Model simulations of the M2 and the K1 tide in the Nordic Seas and the Arctic Ocean
复制标题
北欧海和北冰洋 M2 和 K1 潮汐的模型模拟
DOI：
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发表时间：
1989
期刊：
影响因子：
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通讯作者：
T. Straume
中科院分区：
文献类型：
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作者：
B. Gjevik;T. Straume
深度积分潮汐方程已经数值求解了一个模型盆地，包括北海和挪威-格陵兰-巴伦支海和北冰洋。该模型是在60° N、50 × 50 km的赤平投影上实现的。模拟了M2半日分量和K1日分量。计算和测量的M2和K1之间的相关系数，振幅为116个潮汐站位于所有周围的北欧海分别为0.97和0.82。相应线性回归分析的标准偏差分别为±0.12 m和±0.02 m。对于挪威西海岸沿着大陆架和巴伦支海，模型的性能特别好，该区域的相关系数和标准差分别为0.97、0.92、±0.09 m和±0.03 m。M2潮主要是由北大西洋能量流入驱动的同振荡潮。特别是在北海地区和挪威西部海岸沿着，K1潮受到引潮力直接作用的强烈影响。不同形式的边界条件沿着开放边界向北大西洋已实施和测试比较的模拟结果与测量。文中给出了同距、同潮图，并以流椭圆主轴和流矢量旋转方向图显示潮流的区域变化。计算了模型流域内关键断面的能量通量，给出了流域主要部分的潮汐能收支。DOI：10.1111/j.1600-0870.1989.tb00367.x
The depth-integrated tidal equations have been solved numerically for a model basin covering the North Sea and the Norwegian-Greenland-Barents Seas and the Arctic Ocean. The model is implemented on a stereographic map projection with a grid size 50 times 50 km at 60° N. The semi-diurnal M 2 component and the diurnal K 1 component have been simulated. Correlation coefficients between computed and measured M 2 and K 1 , amplitudes for 116 tidal stations located all around the Nordic Seas were found to be 0.97 and 0.82, respectively. The standard deviation for the corresponding linear regression analysis is ±0.12 m and ±0.02 m, respectively. For the continental shelf along the western coast of Norway and the Barents Sea, the performance of the model is particularly good and the values for the correlation coefficients and standard deviations for this region are 0.97, 0.92, ±0.09 m and ±0.03 m. The M 2 tide is mainly a co-oscillating tide driven by energy influx from the North Atlantic. The K 1 tide is strongly affected by the direct effect of the tide-generating force particularly in the North Sea region and along the coast of western Norway. Different forms of boundary condition along the open boundary towards the North Atlantic have been implemented and tested by comparing the results of the simulation with measurements. Co-range and co-tidal charts are presented and the regional variation of the tidal currents is displayed by maps showing the principal axis of current ellipse and the sense of rotation of the current vector. Energy fluxes are computed for key sections within the model basin and a tidal energy budget for the main parts of the basins is given. DOI: 10.1111/j.1600-0870.1989.tb00367.x