Repair wind field in oil contaminated areas with SAR images

Jie Guo; Yijun He; Xiao Long; Chawei Hou; Xin Liu; Junmin Meng

doi:10.1007/s00343-015-3242-7

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Repair wind field in oil contaminated areas with SAR images

Updated：2023-05-16

- Repair wind field in oil contaminated areas with SAR images
- Journal of Oceanology and Limnology Vol. 33, Issue 2, Pages: 525-533(2015)
- Affiliations：
  
  1. Yantai Institute of Coastal Zone Research Chinese Academy of Sciences
  2. Key Laboratory of Coastal Zone Environmental Processes and Ecological Remediation CAS
  3. School of Marine Sciences Nanjing University of Information Science & Technology
  4. Key Laboratory of Ocean Circulation and Waves Institute of Oceanology Chinese Academy of Science
  5. Key Laboratory of Arid Climate Change and Reducing Disaster of Gansu Province College of Atmospheric Sciences Lanzhou University
  6. Yantai Marine Environmental Monitoring Central Station State Oceanic Administration (SOA)
  7. First Institute of Oceanography State Oceanic Administration (SOA)
- Author bio：
- Funds：
- DOI：10.1007/s00343-015-3242-7
  CLC：
- Online First：03 December 2014，
  
  Published：2015
- Accepted：
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Guo, J., He, Y., Long, X. et al. Repair wind field in oil contaminated areas with SAR images., Chin. J. Ocean. Limnol. 33, 525–533 (2015). https://doi.org/10.1007/s00343-015-3242-7
DOI：

Guo, J., He, Y., Long, X. et al. Repair wind field in oil contaminated areas with SAR images., Chin. J. Ocean. Limnol. 33, 525–533 (2015). https://doi.org/10.1007/s00343-015-3242-7 DOI：

摘要

Abstract

In this paper

we compared the normalized radar cross section in the cases of oil spill

biogenic slicks

and clean sea areas with image samples made from 11-pixel NRCS average

and determined their thresholds of the NRCS of the synthetic aperture radar. The results show that the thresholds of oil and biogenic slicks exhibit good consistency with the corresponding synthetic aperture radar images. In addition

we used the normalized radar cross section of clean water from adjacent patches of oil or biogenic slicks areas to replace that of oil or biogenic slicks areas

and retrieve wind field by CMOD5.n and compare wind velocity mending of oil and biogenic slicks areas with Weather Research and Forecasting modeled data

from which the root mean squares of wind speed (wind direction) inversion are 0.89 m/s (20.26°) and 0.88 m/s (7.07°)

respectively. Therefore

after the occurrence of oil spill or biogenic slicks

the real wind field could be repaired using the method we introduced in this paper. We believe that this method could improve the accuracy in assessment of a real wind field on medium and small scales at sea

and enhance effectively the monitoring works on similar oil or biogenic slicks incidents at sea surface.

关键词

Keywords

references

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