WindSat satellite comparisons with nearshore buoy wind data near the U.S. west and east coasts

ZHANG Lei; SHI Hanqing; YU Hong; YI Xin

doi:10.1007/s13131-016-0905-y

WindSat近海岸风场与美国沿岸浮标对比分析

doi: 10.1007/s13131-016-0905-y

张雷^1,,
石汉青¹,
俞宏¹,
易欣²

1.
解放军理工大学气象海洋学院, 南京, 211101
2.
北京应用气象研究所, 北京, 100029

基金项目: The National Natural Science Foundation of China under contract Nos 41105012 and 41576171.

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出版历程
- 收稿日期: 2015-07-21
- 修回日期: 2015-10-08

WindSat satellite comparisons with nearshore buoy wind data near the U.S. west and east coasts

1.
Institute of Meteorology and Oceanography, People's Liberation Army University of Science and Technology, Nanjing 211101, China
2.
Beijing Institute of Applied Meteorology, Beijing 100029, China

摘要

摘要: 利用美国近海岸2004-2014年的固定浮标数据，本文对比分析了WindSat的近海岸风速产品。匹配时空窗口分别为30分钟和25公里。对比分析结果表明：WindSat反演的美国近海岸风速产品的均方根误差优于1.44 m/s，并且东海岸风速反演结果优于西海岸。WindSat下降轨道的风速反演结果优于上升轨道的结果。通过浮标相互间的对比分析发现，WindSat近海岸的风速反演结果与近岸海水深度、经度及距岸距离等因素并无明显的相关性。此外，利用2007-2008年的固定浮标数据，本文还对比分析了WindSat和QuikSCAT的近海岸风速反演结果，结果表明：相对于浮标数据，WindSat的风速反演值偏低，而QuikSCAT的风速反演值偏高；总体上来看，WindSat的近岸风速反演结果略优于QuikSCAT的近海岸风速反演结果。以上风速反演的精度均达到了传感器设定的指标，其为进一步的科学研究提供了良好的数据支撑。
- WindSat /
- 极化微波辐射计 /
- 近岸风场 /
- 验证
Abstract: Nearshore wind speeds retrieved by WindSat are validated by a comparison with the moored buoy observations near the U.S. west and east coasts. A 30 min and 25 km collection window is used for the WindSat wind data and buoy measurements from January 2004 to December 2014. Comparisons show that the overall root-mean-square error is better than 1.44 m/s near the U.S. coasts, and the result for the east coast is better than that for the west coast. The retrieval accuracy of the descending portions is slightly better than that of the ascending portions. Most buoy-to-buoy variations are not significantly correlated with the coastal topography, the longitude and the distance from the shore or satellite-buoy separation distance. In addition, comparisons between a polarimetric microwave radiometer and a microwave scatterometer are accomplished with the nearshore buoy observations from 2007 to 2008. The WindSat-derived winds tend to be lower than the buoy observations near the U.S. coasts. In contrast, the QuikSCAT-derived winds tend to be higher than the buoy observations. Overall, the retrieval accuracy of WindSat is slightly better than that of QuikSCAT, and these satellite-derived winds are sufficiently accurate for scientific studies.
- WindSat /
- polarimetric microwave radiometer /
- nearshore wind /
- validation

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参考文献(17)

Adams I S, Hennon C C, Jones W L, et al. 2006. Evaluation of hur-ricane ocean vector winds from WindSat. IEEE Transactions on Geoscience and Remote Sensing, 44(3):656-667

Atlas R, Reale O, Ardizzone J, et al. 2006. Geophysical validation of WindSat surface wind data and its impact on numerical weath-er prediction. In:Proceedings of SPIE Atmospheric and Envir-onmental Remote Sensing Data Processing and Utilization:Ⅱ. Perspective on Calibration/Validation Initiatives and Strategies. SPIE, San Diego, California, USA, 6301:63010C

Bormann N, Kelly G, Bauer P, et al. 2006. Assimilation and monitor-ing of SSMIS, AMSR-E and TMI data at ECMWF. In:Proceed-ings of the 15th International TOVS Study Conference. Maratea, Italy. USA:University of Wisconsin-Madison. http://library. ssec.wisc.edu/research_Resources/publications/pdfs/ITSC15/bormann01_ITSC15_2006.pdf

Deblonde G, Yu W, Garand L, et al. 1997. Evaluation of global numer-ical weather prediction analyses and forecasts using DMSP spe-cial sensor microwave imager retrievals:2. Analyses/forecasts intercomparison with SSM/I retrievals. Journal of Geophysical Research:Oceans (1978-2012), 102(D2):1851-1866

Dorman C E, Winant C D. 1995. Buoy observations of the atmo-sphere along the west coast of the United States, 1981-1990. Journal of Geophysical Research:Oceans (1978-2012), 100(C8):16029-16044

Freilich M H, Vanhoff B A. 2006. The accuracy of preliminary Wind-Sat vector wind measurements:comparisons with NDBC buoys and QuikSCAT. IEEE Transactions on Geoscience and Remote Sensing, 44(3):622-637

Gaiser P W, St Germain K M, Twarog E M, et al. 2004. The WindSat spaceborne polarimetric microwave radiometer:sensor de-scription and early orbit performance. IEEE Transactions on Geoscience and Remote Sensing, 42(11):2347-2361

Gilhousen D B. 1987. A field evaluation of NDBC moored buoy winds. Journal of Atmospheric and Oceanic Technology, 4(1):94-104

Huang Xiaoqi, Zhu Jianhua, Lin Mingsen, et al. 2014. A preliminary assessment of the sea surface wind speed production of HY-2 scanning microwave radiometer. Acta Oceanologica Sinica, 33(1):114-119

Mears C A, Smith D K, Wentz F J. 2001. Comparison of special sensor microwave imager and buoy-measured wind speeds from 1987 to 1997. Journal of Geophysical Research:Oceans (1978-2012), 106(C6):11719-11729

Meissner T, Wentz F J. 2005. Ocean retrievals for WindSat:radiative transfer model, algorithm, validation. In:Proceedings of MTS/IEEE OCEANS. Washington, DC, USA, doi: 10.1109/OCEANS.2005.1639750

Meissner T, Wentz F J. 2009. Wind-vector retrievals under rain with passive satellite microwave radiometers. IEEE Transactions on Geoscience and Remote Sensing, 47(9):3065-3083

Pickett M H, Tang Wenqing, Rosenfeld L K, et al. 2003. QuikSCAT satellite comparisons with nearshore buoy wind data off the U.S. west coast. Journal of Atmospheric and Oceanic Techno-logy, 20(12):1869-1879

Ricciardulli L, Wentz F. 2011. Reprocessed QuikSCAT (V04) wind vec-tors with Ku-2011 geophysical model function. Remote Sens-ing Systems Technical Report 043011. USA:Remote Sensing Systems.http://images.remss.com/qscat/qscat_Ku2011_tech_report.pdf

Wang He, Zhu Jianhua, Lin Mingsen, et al. 2013. First six months quality assessment of HY-2A SCAT wind products using in situ measurements. Acta Oceanologica Sinica, 32(11):27-33

Wentz F J, Meissner T, Smith D K. 2005. Assessment of the initial re-lease of WindSat wind retrievals. RSS Technical Report 010605. USA:Remote Sensing Systems.http://images.remss.com/pa-pers/windsat/Assessment_of_the_Initial_Release_of_WindSat_Wind_Retrievals.doc

Yu Lisan, Jin Xiangze. 2012. Buoy perspective of a high-resolution global ocean vector wind analysis constructed from passive ra-diometers and active scatterometers (1987-present). Journal of Geophysical Research:Oceans (1978-2012),117(C11):C11013

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文章访问数: 1068
HTML全文浏览量: 44
PDF下载量: 911
被引次数: 0

WindSat近海岸风场与美国沿岸浮标对比分析

doi: 10.1007/s13131-016-0905-y

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出版历程

WindSat satellite comparisons with nearshore buoy wind data near the U.S. west and east coasts

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