Sea ice thickness analyses for the Bohai Sea using MODIS thermal infrared imagery

被引：0
作者：
Tao Zeng
Lijian Shi
Makynen Marko
Bin Cheng
Juhong Zou
Zhiping Zhang
机构：
[1] State Oceanic Administration,National Satellite Ocean Application Service
[2] State Oceanic Administration,Key Laboratory of Space Ocean Remote Sensing and Application
[3] Finnish Meteorological Institute,undefined
来源：
Acta Oceanologica Sinica | 2016年 / 35卷
关键词：
sea ice thickness; MODIS; Bohai Sea; ice surface temperature; thermal infrared;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Level ice thickness distribution pattern in the Bohai Sea in the winter of 2009–2010 was investigated in this paper using MODIS night-time thermal infrared imagery. The cloud cover in the imagery was masked out manually. Level ice thickness was calculated using MODIS ice surface temperature and an ice surface heat balance equation. Weather forcing data was from the European Centre for Medium-Range Weather Forecasts (ECMWF) analyses. The retrieved ice thickness agreed reasonable well with in situ observations from two off-shore oil platforms. The overall bias and the root mean square error of the MODIS ice thickness are–1.4 cm and 3.9 cm, respectively. The MODIS results under cold conditions (air temperature <–10°C) also agree with the estimated ice growth from Lebedev and Zubov models. The MODIS ice thickness is sensitive to the changes of the sea ice and air temperature, in particular when the sea ice is relatively thin. It is less sensitive to the wind speed. Our method is feasible for the Bohai Sea operational ice thickness analyses during cold freezing seasons.
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页码：96 / 104
页数：8
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