WATER: Dataset of ground truth measurements synchronizing with Envisat ASAR in the Biandukou foci experimental area during the pre-observation period (Oct. 18, 2007)

WATER: Dataset of ground truth measurements synchronizing with Envisat ASAR in the Biandukou foci experimental area during the pre-observation period (Oct. 18, 2007)


The dataset of ground truth measurements synchronizing with Envisat ASAR was obtained in No. 1 and 2 quadrates of the Biandukou foci experimental area on Oct. 18, 2007, during the pre-observation period.

The ASAR data were in AP mode and VV/VH polarization combinations, and the overpass time was approximately at 11:17 BJT. Both the quadrates were divided into 3×3 subsites, with each one spanning a 30×30 m2 plot. 25 sampling points were chosen, including centers and corners.

Simultaneous with the satellite overpass, numerous ground data were collected: the soil temperature , volumetric soil moisture (cm^3/cm^3), soil salinity (s/m), soil conductivity (s/m) by the Hydra probe, the surface radiative temperature by the handheld infrared thermometer, gravimetric soil moisture, volumetric soil moisture, and soil bulk density by drying soil samples from the cutting ring (100cm^3). Meanwhile, vegetation parameters as height, coverage and water content were also observed.

Those provide reliable ground data for the development and validation of soil moisture, soil freeze/thaw algorithms and the forward model from active remote sensing approaches.


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Bai, Y., Cao, Y., Wang, J., Wang, W., Wang, X., Jin, R., Qu, Y., Zhou, H. (2013). WATER: Dataset of ground truth measurements synchronizing with Envisat ASAR in the Biandukou foci experimental area during the pre-observation period (Oct. 18, 2007). National Tibetan Plateau Data Center, DOI: 10.3972/water973.0024.db. CSTR: 18406.11.water973.0024.db. (Download the reference: RIS | Bibtex )

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References literature

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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 )

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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: 101.04 West: 100.88
South: 38.19 North: 38.31
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  • File size: 42 MB
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  • Access: Open Access
  • Temporal coverage: 2007-11-02 To 2007-11-02
  • Updated time: 2021-04-19
Contacts
: BAI Yunjie   CAO Yongpan   WANG Jian   WANG Weizhen   WANG Xufeng   JIN Rui   QU Yonghua   ZHOU Hongmin  

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