LI Zhengqiang, LI Donghui, LI Kaitao, et al. Sun-sky radiometer observation network with the extension of multi-wavelength polarization measurements[J]. Journal of Remote Sensing, 2015,19(3):495-519.
LI Zhengqiang, LI Donghui, LI Kaitao, et al. Sun-sky radiometer observation network with the extension of multi-wavelength polarization measurements[J]. Journal of Remote Sensing, 2015,19(3):495-519. DOI: 10.11834/jrs.20154129.
Focusing on the important role of ground-based sun radiation and aerosol observation in the fields of climate change
atmospheric environmental monitoring
and earth observation
we established a Sun-sky radiometer Observation NETwork( SONET) in typical Chinese regions by applying multi-wavelength polarimetric observation techniques. We present the following in this paper:( 1) the characteristics
measurement
principles
and functions of the multi-wavelength polarization radiometer and the establishment of SONET in typical Chinese regions with a brief introduction of the observation sites;( 2) observation patterns of sun-sky radiation and polarization as well as measurement parameters under direct sun
solar principal plane
and almucantar geometries;( 3) calibration of solar irradiance
sky radiance
and degree of linear polarization measurements and data processing methods for aerosol and water vapor
with illustrations of typical SONET observation under clear and hazy conditions;( 4) establishment of urban
rural
and haze aerosol type models of the total column atmosphere based on long-term continuous remote sensing observation in typical sites in China. On the basis of extension of multi-wavelength polarization measurements
SONET was employed to develop operational techniques for the network of sun-sky radiometers
including automatic observation
fast data processing
and regular calibration and maintenance
which contribute to the construction of atmospheric aerosol type models
retrieval and validation of satellite aerosol products
and remote monitoring of the atmospheric environment.
关键词
太阳—天空辐射计观测网偏振观测大气气溶胶辐射和偏振定标SONET
Keywords
sun-sky radiometer observation networkpolarization measurementatmospheric aerosolradiometric and polarimetric calibrationSON