WATER: Dataset of ground truth measurements synchronizing with the airborne WiDAS mission in the Linze station foci experimental area on May 30, 2008


The dataset of ground truth measurements synchronizing with the airborne WiDAS mission was obtained in the Linze station foci experimental area on May 30, 2008. WiDAS, composed of four CCD cameras, one mid-infrared thermal imager (AGEMA 550), and one infrared thermal imager (S60), can acquire CCD, MIR and TIR band data. The simultaneous ground data included:

(1) soil moisture (0-5cm) measured nine times by the cutting ring method (50cm^3) along LY07 and LY08 quadrates, and once by the cutting ring method and once by ML2X Soil Moisture Tachometer in the six points of Wulidun farmland quadrates. The preprocessed soil volumetric moisture data were archived as Excel files.

(2) surface radiative temperature measured by two handheld infrared thermometer (5# and 6# from Cold and Arid Regions Environmental and Engineering Research Institute which were both calibrated) in the LY07 and LY08 quadrates (98 sample points and repeated three times) and the Wulidun farmland quadrates (various points and repeated three times). Data were archived as Excel files.

(3) spectrum of maize, soil and soil with known moisture measured by ASD Spectroradiometer (350~2 500 nm) from BNU,and the 40% reference board in Wulidun farmland quadrate and the desert transit zone strips. Raw spectral data were archived as binary files, which were recorded daily in detail, and pre-processed data on reflectance were archived as Excel files.

(4) maize BRDF measured by ASD Spectroradiometer (350~2 500 nm) from BNU, the 40% reference board, two observation platforms of BNU make and one of Institute of Remote Sensing Applications make in Wulidun farmland quadrate and the desert transit zone strips. Raw spectral data were archived as binary files , which were recorded daily in detail, and pre-processed data on reflectance and transmittivity (read by ViewSpecPro) were archived as text files (.txt).

(5) LAI of maize, poplar and the desert scrub measured by the fisheye camera (CANON EOS40D with a lens of EF15/28), shooting straight downwards, with exceptions of higher plants, which were shot upwards in Wulidun farmland quadrate I, the desert transit zone and the poplar forest. Data included original photos (.JPG) and those processed by can_eye5.0 (in excel).

(6) LAI measured by the ruler and the set square in D and H quadrates of the Wulidun farmland. Part of the samples were also measured by LI-3100 and compared with those by manual work for further correction. Data were archived as Excel files.

See the metadata record “WATER: Dataset of setting of the sampling plots and stripes in the Linze station foci experimental area” for more information of the quadrate locations.


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QU Yonghua. WATER: Dataset of ground truth measurements synchronizing with the airborne WiDAS mission in the Linze station foci experimental area on May 30, 2008. National Tibetan Plateau Data Center, 2013. doi: 10.3972/water973.0100.db. (Download the reference: RIS | Bibtex )

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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.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 )

8.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 )

9.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 )

10.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 )

11.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 )

12.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: The CAS (Chinese Academy of Sciences) Action Plan for West Development Project

National Program on Key Basic Research Project (973 Program): National Program on Key Basic Research Project (973 Program

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Keywords
Geographic coverage
Spatial coverage

East: 100.20

South: 39.31

West: 100.11

North: 39.38

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  • Temporal coverage: 2008-05-30 To 2008-05-30
  • Updated time: 2019-08-09
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Contact Information
: Li Jing   厉香蕴   QU Yonghua   高松   Hao Xiaohua   PAN Xiaoduo   Qian Jinbo   Song Yi   汪洋   朱仕杰   龚浩   朱满  

Distributor: National Tibetan Plateau Data Center

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