The ENVISAT ASAR image dataset of the Heihe river basin (2007-2009)
ASAR (Advanced Synthetic Aperture Radar) is a Synthetic Aperture Radar sensor mounted on ENVISAT satellite. It operates in c-band with a wavelength of 5.6 cm and features multi-polarization, variable observation Angle and wide-range imaging. Heihe river basin of ENVISAT ASAR remote sensing data sets mainly through central Europe "dragon plan" project, the data to the Image mode, cross polarization (Alternating Polarisation) model with wide is given priority to, the spatial resolution of 30 meters.
ENVISAT ASAR data 404 scenes are currently available in heihe river basin, including 82 scenes in APP mode, 7 scenes in IMP mode and 315 scenes in WSM mode. The acquisition time is: APP can choose the polarization mode, the time range is from 2007-08-15 to 2007-12-23, 2008-01-02 to 2008-12-20, 2009-02-15 to 2009-09-06; IMP imaging mode, time range from 2009-06-19 to 2009-07-12; WSM wide format, time range from 2005-12-05 to 2005-12-31,2006-01-06 to 2006-12-31, 2007-01-01 to 2007-12-30, 2008-01-01 to 2008-12-28, 2009-03-13 to 2009-05-22.
Product level is L1B, without geometric correction, is amplitude data.
File name: the data is stored in raster tif format;The folder is divided into "APP", "GM", "IMP" and "WSM" according to the mode. The APP file name is "ASA_APP_1PNBEI20080321_150145_000000182067_00054_31671_3875” and the GM file name is "ASA_GM1_1CNPDE20080124_033518_000000782065_00233_30848_9750".IMP file "asa_imp_1pndpa20090619_150139_000000162080_000184_9339", WSM file name "ASA_WSM_1CNPDE20051224_151058_000000672043_00369_19962_5554".
Data reading: Arcgis, Envi and other remote sensing software can be opened to read, raster image expression.
European Space Agency. (2014). The ENVISAT ASAR image dataset of the Heihe river basin (2007-2009). National Tibetan Plateau Data Center, (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.
National Program on Key Basic Research Project (973 Program (No:2007CB714400)
The CAS (Chinese Academy of Sciences) Action Plan for West Development Project (No:KZCX2-XB2-09)
Key Eco-Hydrological Parameters Retrieval and Land Data Assimilation System Development in a Typical Inland River Basin of China's Arid Region (No:5322)
Techniques for Deriving Land Cover and Earth Surface Deformation Information from Polarimetric Sar Interferometry (No:5344)
(No:91025001)
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| East: 100.50 | West: 100.20 |
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| South: 38.40 | North: 40.00 |
