PRELIMINARY STUDY OF KATABATIC WIND BY USING NOAA AVHRR DATA

The behavior of katabatic wind on the Antarctic ice sheet can be monitored from NOAA AVHRR data. Katabatic wind is visualized as fluctuations of the brightness temperature on the thermal infrared channel. The structure of the fluctuation reveals a well-defined streak feature. We can monitor wind dir...

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Bibliographic Details
Main Authors: セコ カツモト, Katsumoto SEKO
Format: Report
Language:English
Published: ABSTRACT 1992
Subjects:
Antarctic
The Antarctic
Antarc*
Ice Sheet
Polar meteorology and glaciology
Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology
Online Access:https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3711
http://id.nii.ac.jp/1291/00003711/
https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3711&item_no=1&attribute_id=18&file_no=1
Description
Summary:The behavior of katabatic wind on the Antarctic ice sheet can be monitored from NOAA AVHRR data. Katabatic wind is visualized as fluctuations of the brightness temperature on the thermal infrared channel. The structure of the fluctuation reveals a well-defined streak feature. We can monitor wind direction, and there is a possibility to monitor wind speed from the satellite images. The fluctuation of brightness temperature is probably caused by fluctuation of wind velocity.

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