Global space-time scales for day-to-day variations of daily-minimum and diurnal sea surface temperatures: their distinct spatial distribution and seasonal cycles

Hosoda Kohtaro

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Global space-time scales for day-to-day variations of daily-minimum and diurnal sea surface temperatures: their distinct spatial distribution and seasonal cycles

机译：每日最低和每日海表温度的每日变化的全球时空尺度：其独特的空间分布和季节周期

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摘要

Spatial and temporal scales of day-to-day sea surface temperature (SST) variation were estimated globally based on the microwave cloud-free SST data. By employing the diurnal correction method of SST using sea surface wind (SSW) and solar shortwave radiation data, the scales of daily-minimum SST and diurnal SST amplitude were independently investigated along with seasonal and regional dependency. The daily-minimum SST showed moderate spatial scales of O(150-400 km) and relatively long temporal scales of O(3-4 days). In eddy-rich areas, the small spatial and long temporal scales were found to be associated, which suggests that the sub-mesoscale SST structures could be reproduced by spatial-temporal interpolations. Diurnal SST amplitude, which is strongly affected by air-sea interaction and high activity in the warming seasons, showed extremely long/short scales in the zonal/meridional directions of up to 1000 km/O(100-200 km), and its temporal scales were less than 1 day.

机译：基于微波无云SST数据，对全球海表温度（SST）的时空尺度进行了全球估算。通过利用海面风（SSW）和太阳短波辐射数据对海表温度进行日修正，独立研究了日最小海表温度和日海表振幅的大小以及季节和区域依赖性。日最低SST显示O的中等尺度（150-400 km）和O的相对较长的尺度（3-4天）。在涡流丰富的地区，发现较小的空间尺度和较长的时间尺度是相关的，这表明亚中尺度的SST结构可以通过时空插值来再现。在气候变暖季节中，海气相互作用和高活动强烈影响着昼间SST振幅，在纬向/经向方向上的长/短尺度最高可达1000 km / O（100-200 km），而其时间体重秤少于1天。

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来源
《Journal of oceanography》 |2016年第2期|281-298|共18页
作者
Hosoda Kohtaro;
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作者单位

Tohoku Univ, Grad Sch Sci, Ctr Atmospher & Ocean Studies, Aoba Ku, 6-3 Aramaki Aza Aoba, Sendai, Miyagi 9808578, Japan;

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收录信息美国《科学引文索引》(SCI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Sea surface temperature; Decorrelation scales; Diurnal correction;

机译：海面温度;反相关尺度;日校正;

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机译：每日最低和每日海表温度的每日变化的全球时空尺度：其独特的空间分布和季节周期
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Global space-time scales for day-to-day variations of daily-minimum and diurnal sea surface temperatures: their distinct spatial distribution and seasonal cycles

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