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Indexed by:会议论文

Date of Publication:2017-06-11

Included Journals:EI

Abstract:With the development of wafts and harbors along the coastal of Bohai. China, the coastal structures along Bohai coastal increase fast. These structures affect the movement of current along the Bohai coastal. With the contributions from wind. tide, current speed and current direction, the drift ice distribution near the structures change under these environmental conditions. Although there were some literatures on the Bohai drift ice from satellite remote sensing, numerical modelling and some coastal observations, the drift ice characteristic floe area and concentration near structures were reported rarely. Recent years, the satellite productions with high-resolution increased fast and give choice to collect information from satellite images. About 44 coastal structures over 400 m in length along the Bohai coastal were taken from the collected satellite images of HJ-1A/B/C. The structure parameters and drift ice parameters were drawn. The structure parameters include dam length and principal axis direction. The drift ice parameters include floe areas, concentration near and far from the stinctures, and major and minor axis of equivalent ellipse. The natural environment parameters include wind direction, wind speed, air temperature, water temperature and tide status. This paper introduces the preliminary analysis methods on the drift ice floe areas and concentration based on these images parameters. We tiy to answer the possibility to determine designed drift ice criteria. Other parameters from the satellite image are discussed and will be analyzed in future.