Institutional Repository of Key Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
有限区域海面风场数值模式及其在海洋动力要素预报中的应用 | |
谢强 | |
学位类型 | 博士 |
1999 | |
学位授予单位 | 中国科学院海洋研究所 |
学位授予地点 | 中国科学院海洋研究所 |
学位专业 | 物理海洋 |
关键词 | 风暴 海浪 潮汐 风暴潮 数值模式 海洋动力学 |
摘要 | 近十年来,随着浅海资源的不断开发,浅海海域的水文状况浅海波浪、潮汐和风暴等海洋过程一直为人们所关心,使得波浪、潮汐和风暴潮相互作用的研究成为当今国际热点之一,建立了一些波浪、潮汐和风暴潮数值模式,但对于其驱动力——有限区域海面风场的研究进展缓慢,使得这些模式不能投入业务化预报。本文通过对中尺度模式的分析,建立了适合海洋要素预报的有限区域海面风场数值模式,并且与波浪、潮汐和风暴模式相结合,建立了风、浪、潮汐-风暴潮数值预报模式并进行了预报实验,主要工作和结论列举如下:1.根据有限海域特点,用尺度分析等方法,估计了中尺度气象模式的各项量级,建立了有限海域风场模式方程组。2.改进了模式初始化方法,使之更科学合理,同时又能简便易行地应用于业务化预报。对利用卫星资料进行初始化做了初步的探索。3.将该模式用于渤海海域进行预报实验,得到了以往天气尺度模式得不到的细致结构,并与观测资料相比较,得到了较为一致的结果。通过对波浪、潮汐和风暴模式的网格细化,将风场模式与波浪、潮汐和风暴潮模式进行联合计算,提出了风、浪、潮汐和风暴潮联合预报的实现方法,应用于渤海,所得结果与观测值较为一致。 |
其他摘要 | In recent 10 years, with the development of the exploitation of source in shallow sea, the status of the hydrology and the ocean dynamic process of the wave, tide, surges are cared by the scientists, and many united numerical models were built. However, about the study of the force--wind field in limited sea surface improved slowly, which made these models unable to be used in forecasting the ocean dynamic process. Analyzing the model of the mesoscale, a numerical model of wind field in limited areas which is suitable for forecasting the ocean element is built, uniting with the wave-tide-surges model, a united model of wind-wave-tide-surges is built and an forecasting experiment is taken in Bohai Sea. The main contents and conclusion are shown as following: 1. According as the characteristics of limited areas, scale analysis methods are used to estimate every term of the mesoscale and the equations of wind field in limited areas are built. 2. Improving the methods of initialization, making it more reasonable and simpler to apply to forecast the elements; primary exploration for initialization was made by using the satellitic data. 3. The model was made in Bohai sea for forecasting experiments and got some details that never got from the previous model and the results accord to the researching data. 4. United the wind field model with the wave-tide-surges model, give a realization method of united forecasting of wind, wave, tide, and surges, we use it in Bohai sea for experiments and the results accord with the researching data as well. |
页数 | 51 |
语种 | 中文 |
文献类型 | 学位论文 |
条目标识符 | http://ir.qdio.ac.cn/handle/337002/1005 |
专题 | 海洋环流与波动重点实验室 |
推荐引用方式 GB/T 7714 | 谢强. 有限区域海面风场数值模式及其在海洋动力要素预报中的应用[D]. 中国科学院海洋研究所. 中国科学院海洋研究所,1999. |
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