Validation of a wave forecast system for Galway Bay

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2018-05-13 DOI:10.1080/1755876X.2018.1470454

A. Bento, N. Salvação, C. Guedes Soares

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引用次数: 6

Abstract

ABSTRACT An operational wave forecast system for the area of Galway Bay is presented. Three numerical models are implemented: Weather Research and Forecasting (WRF), Wavewatch III (WWIII) and Simulating Waves Nearshore (SWAN). GFS (Global Forecast System) winds, from NCEP (National Centres for Environmental Prediction), are used to force the WWIII model, while WRF winds are used to force the SWAN model. Bathymetries for WWIII and SWAN were obtained from NOAA’s GEODAS (Geophysical Data System) data base and from GEBCO (General Bathymetric Chart of the Oceans), hosted by BODC. The wave generation model, WWIII, is used to simulate waves for the whole North Atlantic, whereas the SWAN model runs for the Irish west coast, with a nested grid for Galway Bay. Forecast products of 7 days are produced daily, with a warm up of 4 days. The validations of the forecast system were made for both wind and wave parameters with data from buoys located in the Irish coast and inside Galway Bay. Comparisons in the time domain as well as a statistical analysis were performed. Overall, the wave forecast system gave good results closely reproducing the real data, with a low error.

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高威湾海浪预报系统的验证

摘要:介绍了高威湾地区的海浪预报系统。采用了三种数值模式:Weather Research and Forecasting (WRF)、Wavewatch III (wiii)和simulation Waves Nearshore (SWAN)。来自NCEP(国家环境预测中心)的GFS(全球预报系统)风被用来驱动第三次世界大战模型，而WRF风被用来驱动SWAN模型。第三次世界大战和SWAN的水深测量数据来自NOAA的地球物理数据系统(GEODAS)数据库和由BODC托管的GEBCO(海洋一般水深图)。第三次世界大战的波浪产生模型用于模拟整个北大西洋的波浪，而SWAN模型用于模拟爱尔兰西海岸，并为戈尔韦湾设置了嵌套网格。每天预报7天，预热4天。预报系统的风和浪参数是用位于爱尔兰海岸和戈尔韦湾内的浮标的数据进行验证的。在时域上进行了比较和统计分析。总体而言，该系统的预报结果较好，与实际数据接近，误差较小。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.