Effect of radio-frequency interference on the land surface parameters retrieval from passive microwave remote sensing data
WU Ying, QIAN Bo, WANG Zhenhui
Key Laboratory of Meteorological Disaster, Ministry of Education(KLME)/Joint International Research Laboratory of Climate and Environment Change(ILCEC)/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD)/Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, Nanjing University of Information Science and Technology, Nanjing 210044, China
Abstract：Radio-frequency interference (RFI) over eastern Asia land was detected and analyzed using one dimensional variational retrieval (1-DVAR) convergence metric method from AMSR-E (the advanced microwave scanning radiometer - earth observing system) Leval 2A measurements during July 1-16, 2011. And then its influence on the retrieval of surface parameters was studied. It is found that the RFI signals are detected both at C and X band channels of AMSR-E over eastern Asia, and the signals are most densely concentrated in industrial zones, scientific research centers, metropolises, airports and highways. Moreover, RFI signals at C and X band normally do not coincide with the same distribution area. AMSR-E RFI over eastern Asia land exists along both horizontal and vertical polarization channels. Furthermore, the intensity of AMSR-E RFI varies with the earth azimuth angle of the satellite; measurements are contaminated by RFI only when the spaceborne microwave radiometer is within some earth azimuth angle range. Lastly, it is also found that retrieved land parameters have large deviations from RFI contaminated microwave measurements. Therefore, it is expected to detect even weakened RFI effectively prior to retrieving land surface parameters from passive microwave remote sensing measurements.
吴莹, 钱博, 王振会. 被动微波遥感观测资料干扰对地表参数反演的影响分析[J]. 国土资源遥感, 2017, 29(3): 176-181.
WU Ying, QIAN Bo, WANG Zhenhui. Effect of radio-frequency interference on the land surface parameters retrieval from passive microwave remote sensing data. REMOTE SENSING FOR LAND & RESOURCES, 2017, 29(3): 176-181.
[1] 周芳成,宋小宁,李召良.地表温度的被动微波遥感反演研究进展[J].国土资源遥感,2014,26(1):1-7.doi:10.6046/gtzyyg.2014.01.01"> doi:10.6046/gtzyyg.2014.01.01. Zhou F C,Song X N,Li Z L.Progress of land surface temperature retrieval based on passive microwave remote sensing[J].Remote Sensing for Land and Resources,2014,26(1):1-7.doi:10.6046/gtzyyg.2014.01.01"> doi:10.6046/gtzyyg.2014.01.01. [2] 刘 晶,马红章,杨 乐,等.基于被动微波的地表温度反演研究综述[J].遥感技术与应用,2012,27(6):812-821. Liu J,Ma H Z,Yang L,et al.A survey of surface temperature retrieval by passive microwave remote sensing[J].Remote Sensing Technology and Application,2012,27(6):812-821. [3] 毛克彪,施建成,李召良,等.用被动微波AMSR数据反演地表温度及发射率的方法研究[J].国土资源遥感,2005,17(3):14-17.doi:10.6046/gtzyyg.2005.03.04"> doi:10.6046/gtzyyg.2005.03.04. Mao K B,Shi J C,Li Z L,et al.The land surface temperature and emissivity retrieved from the AMSR passive microwave data[J].Remote Sensing for Land and Resources,2005,17(3):14-17.doi:10.6046/gtzyyg.2005.03.04"> doi:10.6046/gtzyyg.2005.03.04. [4] 鲍艳松,毛 飞,闵锦忠,等.基于FY-3B/MWRI数据的裸土区土壤湿度反演[J].国土资源遥感,2014,26(4):131-137.doi:10.6046/gtzyyg.2014.04.21"> doi:10.6046/gtzyyg.2014.04.21. Bao Y S,Mao F,Min J Z,et al.Retrieval of bare soil moisture from FY-3B/MWRI data[J].Remote Sensing for Land and Resources,2014,26(4):131-137.doi:10.6046/gtzyyg.2014.04.21"> doi:10.6046/gtzyyg.2014.04.21. [5] 孙知文,于鹏珊,夏 浪,等.被动微波遥感积雪参数反演方法进展[J].国土资源遥感,2015,27(1):9-15.doi:10.6046/gtzyyg.2015.01.02"> doi:10.6046/gtzyyg.2015.01.02. Sun Z W,Yu P S,Xia L,et al.Progress in study of snow parameter inversion by passive microwave remote sensing[J].Remote Sensing for Land and Resources,2015,27(1):9-15.doi:10.6046/gtzyyg.2015.01.02"> doi:10.6046/gtzyyg.2015.01.02. [6] 施建成,杜 阳,杜今阳,等.微波遥感地表参数反演进展[J].中国科学(地球科学),2012,42(6):814-842. Shi J C,Du Y,Du J Y,et al.Progresses on microwave remote sensing of land surface parameters[J].Science China Earth Science,2012,55(7):1052-1078. [7] 张廷军,晋 锐,高 峰.冻土遥感研究进展:被动微波遥感[J].地球科学进展,2009,24(10):1073-1083. Zhang T J,Jin R,Gao F.Overview of the satellite remote sensing of frozen ground:Passive microwave sensors[J].Advances in Earth Science,2009,24(10):1073-1083. [8] 李 芹,钟若飞.模拟AMSR-E数据的地表多参数反演[J].国土资源遥感,2011,23(1):42-47.doi:10.6046/gtzyyg.2011.01.08"> doi:10.6046/gtzyyg.2011.01.08. Li Q,Zhong R F.Multiple surface parameters retrieval of simulated AMSR-E data[J].Remote Sensing for Land and Resources,2011,23(1):42-47.doi:10.6046/gtzyyg.2011.01.08"> doi:10.6046/gtzyyg.2011.01.08. [9] Li L,Njoku E G,Im E,et al.A preliminary survey of radio-frequency interference over the U.S. in Aqua AMSR-E data[J].IEEE Transactions on Geoscience and Remote Sensing,2004,42(2):380-390. [10] Njoku E G,Ashcroft P,Chan T K,et al.Global survey and statistics of radio-frequency interference in AMSR-E land observations[J].IEEE Transactions on Geoscience and Remote Sensing,2005,43(5):938-947. [11] Lacava T,Coviello I,Faruolo M,et al.A multitemporal investigation of AMSR-E C-band radio-frequency interference[J].IEEE Transactions on Geoscience and Remote Sensing,2013,51(4):2007-2015. [12] Zou X L,Zhao J,Weng F Z,et al.Detection of radio-frequency interference signal over land from FY-3B microwave radiation imager(MWRI)[J].IEEE Transactions on Geoscience and Remote Sensing,2012,50(12):4994-5003. [13] 官 莉,张思勃.星载微波辐射计欧洲大陆无线电频率干扰分析[J].光学学报,2014,34(7):0728004. Guan L,Zhang S B.Source analysis of radio-frequency interference over Europe land from advanced microwave scanning radiometer-E[J].Acta Optica Sinica,2014,34(7):0728004. [14] Boukabara S A,Garrett K,Chen W C,et al.MiRS:An all-weather 1DVAR satellite data assimilation and retrieval system[J].IEEE Transactions on Geoscience and Remote Sensing,2011,49(9):3249-3272. [15] Weng F Z,Han Y,van Delst P,et al.JCSDA Community radiative transfer model(CRTM)[C]//Proc.14th Int.ATOVS Study Conf.2005:217-222. [16] Adams I S,Bettenhausen M H,Gaiser P W,et al.Identification of ocean-reflected radio-frequency interference using WindSat retrieval chi-square probability[J].IEEE Geoscience and Remote Sensing Letters,2010,7(2):406-410.
2017, Vol. 29 
