LI Xiaofeng. The first Sentinel-1 SAR image of a typhoon[J]. Acta Oceanologica Sinica, 2015, 34(1): 1-2. doi: 10.1007/s13131-015-0589-8
Citation: LI Xiaofeng. The first Sentinel-1 SAR image of a typhoon[J]. Acta Oceanologica Sinica, 2015, 34(1): 1-2. doi: 10.1007/s13131-015-0589-8

The first Sentinel-1 SAR image of a typhoon

doi: 10.1007/s13131-015-0589-8
  • Received Date: 2014-10-22
  • Rev Recd Date: 2014-11-26
  • In this note, we present the first Sentinel-1 synthetic aperture radar (SAR) typhoon image acquired in the northwest Pacific on October 4, 2014. The eye shape and sea surface wind patterns associated with Typhoon Phanfone are clearly shown in the high-quality SAR image. SAR winds retrieval procedure was given but the actual wind estimates will only be available after the European Space Agency (ESA) releases the official calibration coefficients in order to accurately derive the SAR-measured normalized radar cross section. This study demonstrates the advantage of Sentinel-1 SAR with regards to imaging fine scale typhoon patterns on the sea surface beneath storm clouds. This paper also advocates the use of Sentinel-1 SAR data that is made freely and openly available worldwide for the first time in civilian SAR history.
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  • [1] Alpers W, Brümmer B. 1994. Atmospheric boundary layer rolls observed by the synthetic aperture radar aboard the ERS-1 satellite. J Geophys Res, 99(C6): 12613-12621
    [2] Alpers W, Pahl U, Gross G. 1998. Katabatic wind fields in coastal areas studied by ERS-1 synthetic aperture radar imagery and numerical modeling. J Geophys Res, 103(C4): 7875-7886
    [3] Chunchuzov I, Vachon P W, Li Xiaofeng 2000. Analysis and modeling of atmospheric gravity waves observed in RAdARSAT SAR images. Remote Sens Environ, 74(3): 343-361
    [4] Friedman K S, Li Xiaofeng. 2000. Monitoring hurricanes over the ocean with wide swath SAR. Johns Hopkins APL Technical digest, 21(1): 80-85
    [5] Hersbach H, Stoffelen A, de Haan S. 2007. An improved C-band scatterometer ocean geophysical model function: CMOd5. J Geophys Res, 112(C3): C03006
    [6] Li Xiaofeng, Clemente-Colón P, Pichel W G, et al. 2000. Atmospheric vortex streets on a RAdARSAT SAR image. Geophys Res Lett, 27(11): 1655-1658
    [7] Li Xiaofeng, Pichel W G, He Mingxia, et al. 2002. Observation of hurricane-generated ocean swell refraction at the Gulf Stream north wall with the RAdARSAT-1 synthetic aperture radar. IEEE Trans Geosci Remote Sens, 40(10): 2131-2142
    [8] Li Xiaofeng, dong Changming, Clemente-Colön P, et al. 2004. Synthetic aperture radar observation of the sea surface imprints of upstream atmospheric solitons generated by flow impeded by an island. J Geophys Res, 109(C2): C02016
    [9] Li Xiaofeng, Zheng Weizhong, Pichel W G, et al. 2007. Coastal katabatic winds imaged by SAR. Geophys Res Lett, 34(3): L03804
    [10] Li Xiaofeng, Zheng Weizhong, Zou Chengzhi, et al. 2008. A SAR observation and numerical study on ocean surface imprints of atmospheric vortex streets. Sensors, 8(5): 3321-3334
    [11] Li Xiaofeng, Zheng Weizhong, Yang Xiaofeng, et al. 2011. Sea surface imprints of coastal mountain lee waves imaged by synthetic aperture radar. J Geophys Res, 116(C2): C02014
    [12] Li Xiaofeng, Zheng Weizhong, Yang Xiaofeng, et al. 2013. Coexistence of atmospheric gravity waves and boundary layer rolls observed by SAR. J Atmos Sci, 70(11): 3448-3459
    [13] Li Xiaofeng, Zhang Jun A, Yang Xiaofeng, et al. 2013. Tropical cyclone morphology from spaceborne synthetic aperture radar. Bull Amer Meteor Soc, 94(2): 215-230
    [14] Yang Xiaofeng, Li Xiaofeng, Pichel W G, et al. 2011. Comparison of ocean surface winds from ENVISAT ASAR, MetOp ASCAT scatterometer, buoy measurements, and NOGAPS model. IEEE Trans Geosci Remote Sens, 49(12): 4743-4750
    [15] Zhang Biao, Perrie W. 2012. Cross-Polarized synthetic aperture radar: A new potential measurement technique for hurricanes. Bull Amer Meteor Soc, 93: 531-541
    [16] Zhang Biao, Perrie W, Zhang Jun A, et al. 2014. High-resolution hurricane vector winds from C-band dual-polarization SAR observations. J Atmos Oceanic Technol, 31(2): 272-286
    [17] Zheng Quanan, Yan Xiaohai, Klemas V, et al. 1998. Coastal lee waves on ERS-1 SAR images. J Geophys Res, 103(C4): 7979-7993
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The first Sentinel-1 SAR image of a typhoon

doi: 10.1007/s13131-015-0589-8

Abstract: In this note, we present the first Sentinel-1 synthetic aperture radar (SAR) typhoon image acquired in the northwest Pacific on October 4, 2014. The eye shape and sea surface wind patterns associated with Typhoon Phanfone are clearly shown in the high-quality SAR image. SAR winds retrieval procedure was given but the actual wind estimates will only be available after the European Space Agency (ESA) releases the official calibration coefficients in order to accurately derive the SAR-measured normalized radar cross section. This study demonstrates the advantage of Sentinel-1 SAR with regards to imaging fine scale typhoon patterns on the sea surface beneath storm clouds. This paper also advocates the use of Sentinel-1 SAR data that is made freely and openly available worldwide for the first time in civilian SAR history.

LI Xiaofeng. The first Sentinel-1 SAR image of a typhoon[J]. Acta Oceanologica Sinica, 2015, 34(1): 1-2. doi: 10.1007/s13131-015-0589-8
Citation: LI Xiaofeng. The first Sentinel-1 SAR image of a typhoon[J]. Acta Oceanologica Sinica, 2015, 34(1): 1-2. doi: 10.1007/s13131-015-0589-8
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