| 应用AMSU资料监测中国地区雪盖的初步研究 |
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| 引用本文： | 陈爱军,刘玉洁,杜秉玉.应用AMSU资料监测中国地区雪盖的初步研究[J].应用气象学报,2005,16(1):35-44. |
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| 作者姓名： | 陈爱军 刘玉洁 杜秉玉 |
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| 作者单位： | 1.南京气象学院, 南京 210044 |
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| 基金项目： | “国家高技术研究发展计划 ( 863计划 )——多光谱卫星遥感雪盖范围、雪深和雪水当量 ( 2 0 0 2AA1 3 5 2 5 0 )”课题资助，“我国西北地区生态气候环境监测预测方法研究”课题共同资助 |
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| 摘 要： | 根据微波遥感积雪的原理, 提出了利用NOAA-16 AMSU的1通道 (23.8 GHz)、2通道 (31.4 GHz) 和15通道 (89.0 GHz) 等3个通道监测中国五大区域雪盖范围的初步判识方法。由该方法制作合成了2001年10月1日至2002年4月1日中国地区的周积雪覆盖监测图, 与来自全国气象台站的地面积雪观测记录以及美国人机交互式冰雪制图系统 (I nteractive Snow and Ice Mapping System, IMS) 的雪盖图、SSM/ I (Special Sensor Microwave Imager) 雪盖图的比较结果表明:AMSU监测结果不仅具有比较高的准确性, 而且其准确性和可靠性达到甚至优于其它两种积雪监测结果 (尤其是雪季中期)。
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| 关 键 词： | AMSU 微波 遥感 区域雪盖 判识 |
| 收稿时间： | 2003-07-23 |
| 修稿时间： | 2003年7月23日 |
Preliminary Research on Monitoring Snow-cover over China With AMSU Data |
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| Chen Aijun,Liu Yujie,Du Bingyu.Preliminary Research on Monitoring Snow-cover over China With AMSU Data[J].Quarterly Journal of Applied Meteorology,2005,16(1):35-44. |
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| Authors: | Chen Aijun Liu Yujie Du Bingyu |
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| Affiliation: | 1.Nanjing Institute of Meteorology, Nanjing 2100442.National Satellite Meteorological Center, Beijing 100081 |
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| Abstract: | The territory of China was divided into five areas,and a primary method for each area was proposed to monitoring snow-cover over China, using the data from channel 1, 2, 15 of NOAA-16 AMSU. With these methods, weekly compositive snow-cover maps of China were achieved during the period of October 1, 2001 to April 1, 2002. The comparison of the ground snow-depth record from the meteorological stations all around the country with snow-cover maps mapped by NOAA Interactive Snowand Ice Mapping System (IMS), and from SSM/I (Special Sensor Microwave Imager) data were used to examine the reliability of the snow-cover maps form AMSU in detail. Analysis result shows that the discrimination of AMSU snow-cover maps is good, and the correctness of AMSU snow-cover maps is close or even superior to those of IMS and SSM/I, especially during the medium-term of the snow season. |
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| Keywords: | AMSU Microwave Remote sensing Areal snow-cover Discrimination |
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