Passive microwave remote sensing for sea ice research
Passive microwave remote sensing for sea ice research
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发表时间：
2013-08
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通讯作者：
Nasa
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作者：
Nasa
概述了用于海冰研究的卫星遥感器收集数据的技术。本文描述了由被动微波成像仪转换成海冰总浓度图和第一年和多年冰覆盖面积分数图的亮温测量。需要进行一些辅助观测，特别是通过自动数据浮标和配备上视声纳的潜艇进行观测，以改进卫星数据的验证和解释。本文介绍了海军专用传感器微波成象仪的设计和性能特点，该成象仪预计将于1985年底进入轨道。建议将来自该仪器的数据处理成适合研究应用的形式，并以易于获取的形式存档。报告介绍了研究所需的海冰数据产品，并提出了将其存档和向科学界分发的建议。
Techniques for gathering data by remote sensors on satellites utilized for sea ice research are summarized. Measurement of brightness temperatures by a passive microwave imager converted to maps of total sea ice concentration and to the areal fractions covered by first year and multiyear ice are described. Several ancillary observations, especially by means of automatic data buoys and submarines equipped with upward looking sonars, are needed to improve the validation and interpretation of satellite data. The design and performance characteristics of the Navy's Special Sensor Microwave Imager, expected to be in orbit in late 1985, are described. It is recommended that data from that instrument be processed to a form suitable for research applications and archived in a readily accessible form. The sea ice data products required for research purposes are described and recommendations for their archival and distribution to the scientific community are presented.