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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 (K d ()). Following radiative transfer theory, K d 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… (More)

- ZhongPing Lee, Keping Du, +4 authors Alan Weidemann
- 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 angles,… (More)

Molybdenum is a refractory metal that is stable in a body-centred cubic structure at all temperatures before melting. Plastic deformation via structural transitions has never been reported for pure molybdenum, while transformation coupled with plasticity is well known for many alloys and ceramics. Here we demonstrate a structural transformation accompanied… (More)

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

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

Metals with a high density of nanometre-scale twins have demonstrated simultaneous high strength and good ductility, attributed to the interaction between lattice dislocations and twin boundaries. Maximum strength was observed at a critical twin lamella spacing (∼15 nm) by mechanical testing; hence, an explanation of how twin lamella spacing influences… (More)

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

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