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热带海洋学报 >

2012 , Vol. 31 >Issue 4: 1 - 7

DOI: https://doi.org/10.11978/j.issn.1009-5470.2012.04.001

海洋水文学

西北太平洋NOAA AVHRR海表温度日变化校正研究*

  • 滕伟成 ,
  • 管磊
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  • 中国海洋大学 海洋遥感研究所/信息科学与工程学院海洋技术系, 山东 青岛 266100

收稿日期: 2011-01-14

  修回日期: 2011-04-20

  网络出版日期: 2012-10-24

基金资助

国家高技术研究发展计划项目(2008AA09Z101); 新世纪优秀人才支持计划项目(NCET-10-0715)

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Diurnal variation correction of AVHRR SST data for the Northwest Pacific region

  • TENG Wei-cheng ,
  • GUAN Lei
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  • Ocean Remote Sensing Institute/Department of Marine Technology, College of Information Science and Engineering, Ocean University of China, Qingdao 266100, China

Received date: 2011-01-14

  Revised date: 2011-04-20

  Online published: 2012-10-24

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摘要

白天, 太阳辐射将海面上层加热, 会出现海表温度日变化的情况，该变化对海气热交换以及海洋生态等的研究具有重要意义, 且在不同海域有着不尽相同的变化规律。文章首先介绍了海表温度日变化经验和数值模型, 然后在西北太平洋海域范围内, 利用美国国家海洋和大气管理局(National Oceanic and Atmospheric Administration, NOAA)的改进型甚高分辨率辐射计(Advanced Very High Resolution Radiometer, AVHRR)海表温度数据、美国宇航局“水”卫星Aqua上先进微波扫描辐射计(Advanced Microwave Scanning Radiometer for EOS, AMSR-E)的海面风速和经计算得到的太阳辐射强度数据, 通过对已有经验模型系数进行重新回归拟合, 得到在该海域NOAA AVHRR海表温度数据日变化的经验模型。验证结果显示, 重新回归系数后的模型在西北太平洋海域内计算所得的海表温度日变化大小与AVHRR数据本身计算所得结果相比, 其平均偏差为其0.01℃, 标准偏差为0.22℃, 可以在该海域内较好地对NOAA AVHRR海表温度数据进行日变化校正。

关键词： 海表温度; 日变化; 西北太平洋; NOAA AVHRR; Aqua AMSR-E

本文引用格式

滕伟成 , 管磊 . 西北太平洋NOAA AVHRR海表温度日变化校正研究*[J]. 热带海洋学报, 2012 , 31(4) : 1 -7 . DOI: 10.11978/j.issn.1009-5470.2012.04.001

Abstract

There is a near-surface diurnal warming layer due to the effect of solar heating during the daytime. The diurnal variation is important for studying air-sea interaction and marine ecology, among others. The characteristics of the diurnal variation are different in different regions. In this paper, firstly the empirical and physical models for estimating diurnal warming are introduced. Secondly, the sea surface temperature (SST) from the National Oceanic and Atmospheric Administration (NOAA) Advanced Very High Resolution Radiometer (AVHRR), surface wind speed of Aqua Advanced Microwave Scanning Radiometer for EOS (AMSR-E) and solar radiation in the Northwest Pacific are used to regress the coefficients in an empirical model, which is applied in the diurnal variation correction of NOAA AVHRR SST in the studied area. It shows that, for the correction of AVHRR SST, the mean bias is b0.01℃ and the standard deviation is 0.22℃. The new model can be applied in the diurnal variation correction of the satellite data in the Northwest Pacific.

Key words： sea surface temperature; diurnal warming; Northwest Pacific; NOAA AVHRR; Aqua AMSR-E

参考文献


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