WATER: Dataset of airborne microwave radiometers (L&K bands) mission in the Linze flight zone on Jul. 8, 2008

This data set was acquired by L & K band airborne microwave radiometer on July 8, 2008 in Linze flight area.

The frequency of L-band is 1.4GHz, and the backsight is 35 degrees to obtain dual polarization (H and V) information; the frequency of K-band is 18.7ghz, and there is no polarization information. The plane took off from Zhangye airport at 10:00 (Beijing time, the same below) and landed at 13:38. 10: At 23-13:10, the flight altitude was about 1900m and the flight speed was about 230-250km / hr. Among them, 12:21-12:27 low flying Linze reservoir line 1-6 has a relative altitude of 100m and a flight speed of 190km / hr. 12: 56-13:08 low flying desert marking twice (line 1-7, first North to south, then south to North).

The original data is divided into two parts: microwave radiometer data and GPS data. The L and K bands of microwave radiometer are non imaging observations. The digital values obtained from the instantaneous observation are recorded in the text file, and the longitude and latitude as well as the aircraft attitude parameters are recorded in the GPS data. When using microwave radiometer to observe data, it is necessary to convert the digital value recorded into the bright temperature value according to the calibration coefficient (the calibration coefficient file is filed with the original observation data). At the same time, through the clock records of microwave radiometer and GPS, we can connect the microwave observation with GPS record and match the geographic coordinate information for the microwave observation. Due to the coarse observation resolution of microwave radiometer, the effects of aircraft yaw, roll and pitch are generally ignored in data processing. According to the target and flight relative altitude (H), after calibration and coordinate matching, the observation information can also be gridded. The resolution (x) of L band and K band is consistent with that of observation footprint. The reference resolution is: L band, x = 0.3H; K band, x = 0.24h. After the above steps, we can get the products that users can use directly.

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CHE Tao, LIU Qiang, JIN Jinan, WANG Shuguo, HAO Xiaohua, XIAO Qing, ZHAO Kai. WATER: Dataset of airborne microwave radiometers (L&K bands) mission in the Linze flight zone on Jul. 8, 2008. National Tibetan Plateau Data Center, 2013. doi: 10.3972/water973.0239.db. (Download the reference: RIS | Bibtex )

Using this data, the data citation is required to be referenced and the related literatures are suggested to be cited.

References literature

1.Wu Lizong, Qu Yonghua, Wang Liangxu, Sun Qingsong, Hu Xiaoli, Li Xin, Wang Jindi, Li Hongxing, et al. Data Management and Its Sharing Application of Watershed Allied Telemetry Experimental Research. Remote Sensing Technology and Application, 2010, 25(6): 772-781. (View Details )

2.Li Xin, Li Xiaowen, LiZengyuan.et al.Progresses on the Watershed Allied Telemetry Experimental Research(WATER)[J].Remote Sensing Technology and Application,2012,27(5):637-649. (View Details )

3.Ma Mingguo, Liu Qiang, Pei Guangjian, Chen Erxue, Xiao Qing, Su Peixi, Hu Zeyong, Li Xin, Niu Wei, Wang Weizhen, Qian Jinbo, Song Yi, Ding Songshuang, Xin Xiaozhou, Ren Huazhong, Huang Chunlin, Jin Rui, Che Tao, Chu Rongzhong. Simultaneous Remote Sensing and (Ground-based Experiment in the Heihe River Basin:Experiment of Forest Hydrology and Arid Region Hydrology in the Middle Reaches. Advances in Earth Science, 2009, 24(7): 681-695. (View Details )

4.HUANG Guanghui, MA Mingguo, TAN Junlei, ZHANG Zhihui. Data Quality Control and Products of Automatic Weather Stations for Watershed Allied Telemetry Experimental Research. Remote Sensing Technology and Application, 2010, 25(6): 814-820. (View Details )

5.Li Xin, Wang Jian, Xiao Qing, et al.Simultaneous Remote Sensing and Ground-based Experiment in the Heihe River Basin: Scientific Objectives and Experiment Design[J]. Advances in Earth Science, 2008, 23(9):897-914. (View Details )

6.LiXin,Lin Qiang. Liu Qinhuo,et al. The Progresses on the Watershed Allied Telemetry Experimental Research (WATER):Remote Sensing of Key Hydrological and Ecological Parameters[J].Remote Sensing Technology and Application,2012.27(5)650-662. (View Details )

7.Li X, Li XW, Roth K, Menenti M, Wagner W. Preface 'Observing and modeling the catchment scale water cycle'. Hydrology and Earth System Sciences, 2011, 15(2): 597-601. doi:10.5194/hess-15-597-2011. (View Details )

8.MA Mingguo. Quality Control and Evaluation for the Ground Observation Data of the Watershed Allied Telemetry Experimental Research. Remote Sensing Technology and Application, 2010, 25(6): 766-771. (View Details )

9.Wang Jian, Che Tao,Zhang Lixin,et al. Introduction on the experiment of cold region hydrological remote sensing and gound-based synchronous observation in the upstream of Heihe basin[J]. Journal of Gaciology and Geocryology),2009,31(2):189-197. (View Details )

10.Li Xin, Li Xiaowen, Li Zengyuan. Watershed Allied Telemetry Experimental Research(WATER) Datasets are Available for Open Access. Remote Sensing Technology and Application, 2010, 25(6): 761-765. (View Details )

11.Wang Liangxu, Wang Shuguo, Ran Youhua. Data Sharing and Data Set Application of Watershed Allied Telemetry Experimental Research. IEEE Geoscience and Remote Sensing Letters, 2014, 11(11):2020-2024. doi:10.1109/LGRS.2014.2319301 (View Details )

12.Sun Qingsong, Qu Yonghua, Wang Jindi, Dong Jian. The Implementation of the OPe NDAP based Remote Sensing Data Distribution System. Remote Sensing Technology and Application, 2010, 25(6): 782-787. (View Details )

13.Li X, Li XW, Li ZY, Ma MG, Wang J, Xiao Q, Liu Q, Che T, Chen EX, Yan GJ, Hu ZY, Zhang LX, Chu RZ, Su PX, Liu QH, Liu SM, Wang JD, Niu Z, Chen Y, Jin R, Wang WZ, Ran YH, Xin XZ, Ren HZ. Watershed Allied Telemetry Experimental Research. Journal of Geophysical Research, 2009, 114(D22103), doi:10.1029/2008JD011590. (View Details )

Support Program

The CAS (Chinese Academy of Sciences) Action Plan for West Development Project (No:KZCX2-XB2-09)

National Program on Key Basic Research Project (973 Program (No:2007CB714400)

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Geographic coverage
East: 100.50 West: 100.05
South: 39.00 North: 39.40
  • File size: 5 MB
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  • Temporal coverage: 2008-07-08 To 2008-07-08
  • Updated time: 2019-08-06
Contact Information
: WANG Shuguo   HAO Xiaohua   CHE Tao   XIAO Qing   LIU Qiang   ZHAO Kai   JIN Jinan  

Distributor: National Tibetan Plateau Data Center

Email: data@itpcas.ac.cn

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