分析 SATCON 算法估计整个西太平洋盆地热带风暴强度的能力

IF 1.3 4区 地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY
Monu Yadav, Laxminarayan Das
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引用次数: 0

摘要

由于红外和微波传感器图像作为算法的输入比单独使用每种算法更熟练,因此使用了一组估计台风当前强度(CI)的算法,从而创建了一种估计台风强度的技术,即 SATCON。在本研究中,我们努力评估 SATCON 方法在估算 2017 年至 2021 年整个西太平洋盆地的台风强度方面的性能如何。为此,使用基于 SATCON 的技术分析了西太平洋盆地上的 26 个台风,并将估计结果与东京区域专业气象中心(RSMC)提供的最佳路径参数进行了比较。比较了全年、季风前(3 月至 7 月)和季风后(7 月至 2 月)不同 "T "数和风暴类型的最大持续表面风(Vmax)和估计中心气压(ECP)。与弱台风和超强台风相比,SATCON 算法对中等强度台风的估计能力相当出色。通过比较算法结果,我们证明 SATCON 在西太平洋盆地季风后比季风前更有效。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Analyze the SATCON algorithm’s capability to estimate tropical storm intensity across the West Pacific basin

Analyze the SATCON algorithm’s capability to estimate tropical storm intensity across the West Pacific basin

A group of algorithms for estimating the current intensity (CI) of typhoons, which use infrared and microwave sensor-based images as the input of the algorithm because it is more skilled than each algorithm separately, are used to create a technique to estimate the typhoon intensity which is known as SATCON. In the current study, an effort was undertaken to assess how well the SATCON approach performed for estimating typhoon intensity throughout the West Pacific basin from year 2017 to 2021. To do this, 26 typhoons over the West Pacific basin were analysed using the SATCON-based technique, and the estimates were compared to the best track parameters provided by the Regional Specialized Meteorological Centre (RSMC), Tokyo. The maximum sustained surface winds (Vmax) and estimated central pressures (ECP) for various ‘T’ numbers and types of storm throughout the entire year, as well as during the pre-monsoon (March–July) and post-monsoon (July–February) seasons, have been compared. When compared to weaker and very strong typhoons, the ability of the SATCON algorithm to estimate intensity is determined to be rather excellent for mid-range typhoons. We demonstrate that SATCON is more effective in the post-monsoon across the West Pacific basin than in the pre-monsoon by comparing the algorithm results.

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来源期刊
Journal of Earth System Science
Journal of Earth System Science Earth and Planetary Sciences-General Earth and Planetary Sciences
CiteScore
3.20
自引率
5.30%
发文量
226
期刊介绍: The Journal of Earth System Science, an International Journal, was earlier a part of the Proceedings of the Indian Academy of Sciences – Section A begun in 1934, and later split in 1978 into theme journals. This journal was published as Proceedings – Earth and Planetary Sciences since 1978, and in 2005 was renamed ‘Journal of Earth System Science’. The journal is highly inter-disciplinary and publishes scholarly research – new data, ideas, and conceptual advances – in Earth System Science. The focus is on the evolution of the Earth as a system: manuscripts describing changes of anthropogenic origin in a limited region are not considered unless they go beyond describing the changes to include an analysis of earth-system processes. The journal''s scope includes the solid earth (geosphere), the atmosphere, the hydrosphere (including cryosphere), and the biosphere; it also addresses related aspects of planetary and space sciences. Contributions pertaining to the Indian sub- continent and the surrounding Indian-Ocean region are particularly welcome. Given that a large number of manuscripts report either observations or model results for a limited domain, manuscripts intended for publication in JESS are expected to fulfill at least one of the following three criteria. The data should be of relevance and should be of statistically significant size and from a region from where such data are sparse. If the data are from a well-sampled region, the data size should be considerable and advance our knowledge of the region. A model study is carried out to explain observations reported either in the same manuscript or in the literature. The analysis, whether of data or with models, is novel and the inferences advance the current knowledge.
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