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- Zhong Ping Lee, Keping Du, +4 authors Alan Weidemann
- Applied optics
- 2011

Remote-sensing reflectance (R(rs)), which is defined as the ratio of water-leaving radiance (L(w)) to downwelling irradiance just above the surface (E(d)(0⁺)), varies with both water constituents (including bottom properties of optically-shallow waters) and angular geometry. L(w) is commonly measured in the field or by satellite sensors at convenient… (More)

- ZhongPing Lee, Kendall L Carder, KePing Du
- Applied optics
- 2004

For optically deep waters, remote-sensing reflectance (r(rs)) is traditionally expressed as the ratio of the backscattering coefficient (b(b)) to the sum of absorption and backscattering coefficients (a + b(b)) that multiples a model parameter (g, or the so-called f'/Q). Parameter g is further expressed as a function of b(b)/(a + b(b)) (or b(b)/a) to… (More)

- Zhongping Lee, Chuanmin Hu, +4 authors Robert Brewin
- 2013

[1] Penetration of solar radiation in the ocean is determined by the attenuation coefficient (Kd( )). Following radiative transfer theory, Kd is a function of angular distribution of incident light and water’s absorption and backscattering coefficients. Because these optical products are now generated routinely from satellite measurements, it is logical to… (More)

- ZhongPing Lee, Keping Du, Robert Arnone, Soo Chin Liew, Bradley Penta
- IGARSS
- 2005

A new radiometric term named as usable solar radiation (USR) is defined to represent the spectrally integrated solar irradiance in the spectral window of 400–560 nm. Through numerical simulations of optically deep waters covering a wide range of optical properties, it is found that the diffuse attenuation coefficient of downwelling USR, Kd(USR), is nearly a… (More)

- Keping Du, Feng Zhao, Mingxia He, ZhiShen Liu, ZhongPing Lee, Kendall L. Carder
- IGARSS
- 2004

- Keping Du, Donghui Xie, ZhongPing Lee, Mingxia He
- IGARSS
- 2004

- Deqiang Gan, Keping Du, Yonghua Qu, Yuzhen Zhang, Linli Liu
- Geoinformatics
- 2012

- Feng Zhao, Jindi Wang, Feng Gao, Guangjian Yan, Zhuosen Wang, Keping Du
- IGARSS
- 2004

- Xiaodong Zhang, Shuangyan He, Afshin Shabani, Peng-Wang Zhai, Keping Du
- Optics express
- 2017

In examining the dependence of the sea surface reflectance of skylight ρs on sky conditions, wind speed, solar zenith angle, and viewing geometry, Mobley [Appl. Opt.38, 7442 (1999).10.1364/AO.38.007442] assumed ρs is independent of wavelength. Lee et al. [Opt. Express18, 26313 (2010).10.1364/OE.18.026313] showed experimentally that ρs does vary spectrally… (More)