WATER: Dataset of spectral reflectance observations in the Yingke oasis and Huazhaizi desert steppe foci experimental areas


The dataset of spectral reflectance observations was obtained by ASD (Analytical Sepctral Devices) in the Yingke oasis and Huazhaizi desert steppe foci experimental areas. Reflectance was calculated based on the equation R = (DN1/DN0)×R0, DN1 indicating DN of the targets, R0 and DN0 the reflectance and DN of the grey board.

The reflectance spectra of maize and wheat canopy, the component leaf of the maize and BRDF in Yingke oasis maize field, Yingke oasis wheat field, Huazhaizi desert maize field, the transect spectrum in Huazhaizi desert No. 1 and 2 plots and Linze and Biandukou foci experimental area were measured on May 20, 24, 25, 28 and 30, Jun. 1, 4, 9, 14, 16, 18, 20, 22, 23, 24, 26, 29 and 30, Jul. 1, 4, 5, 6, 7, 9 and 11, 2008. Four ASD devices were used, from Peking University (350-2500nm), Institute of Remote Sensing Applications (350-2500nm), Beijing Academy of Agriculture and Forestry Sciences (350-1065nm) and BNU respectively. The reference boards were 40%, 50% and 99%.

The above spectral reflectance dataset was synchronizing with WiDAS (Wide-angle Infrared Dual-mode line/area Array Scanner), OMIS-II and various spaceborne sensors.

Raw data were binary files direct from ASD (by ViewSpecPro), and pre-processed data on reflectance were in Excel format.


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ZHOU Hongmin, Gai Yingchun, LI Xin, GUANG Jie, Wen Jianguang, ZHANG Yang, FAN Wenjie, Liu Liangyun. WATER: Dataset of spectral reflectance observations in the Yingke oasis and Huazhaizi desert steppe foci experimental areas. National Tibetan Plateau Data Center, 2013. doi: 10.3972/water973.0217.db. (Download the reference: RIS | Bibtex )

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References literature

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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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