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Start Over Author "K. O. Rose" Topic extinction (optical mineralogy)
3 results on '"K. O. Rose"'

2. Relationship between backscattering and extinction coefficients of aerosols with application to turbid atmosphere

Author

K. O. Rose, B. V. K. Murthy, and K. Parameswaran

Subjects
Materials science, business.industry, Materials Science (miscellaneous), Mie scattering, Industrial and Manufacturing Engineering, Aerosol, Atmosphere, Troposphere, Wavelength, Optics, Extinction (optical mineralogy), Business and International Management, business, Stratosphere, Atmospheric optics
Abstract

The relationship between backscattering beta(a), and extinction alpha(a) coefficients of aerosols at a ruby laser wavelength of 694.3 nm is studied using Mie scattering theory. A simple relationship of the form beta(a) = C(a)alpha(ka)(a) is assumed, and the dependence of k(a) and C(a) on different aerosol characteristics such as size distribution and refractive index is studied. The validity of a similar relationship is examined for a turbid atmosphere (troposphere and lower stratosphere) containing both aerosols and air molecules.

Published
2010

3. Comparison of aerosol extinction profiles from lidar and SAGE II data at a tropical station

Author

K. Parameswaran, K. O. Rose, M. T. Osborn, B. V. Krishna Murthy, and L. R. McMaster

Subjects
Atmospheric Science, Stratospheric Aerosol and Gas Experiment, Ecology, Paleontology, Soil Science, Aerosol extinction, Forestry, Aquatic Science, Oceanography, Atmospheric sciences, Latitude, Troposphere, Geophysics, Altitude, Lidar, Space and Planetary Science, Geochemistry and Petrology, Extinction (optical mineralogy), Earth and Planetary Sciences (miscellaneous), Environmental science, Stratosphere, Earth-Surface Processes, Water Science and Technology
Abstract

Aerosol extinction profiles obtained from lidar data at Trivandrum (8.6 deg N, 77 deg E) are compared with corresponding Stratospheric Aerosol and Gas Experiment II extinction profiles. The agreement between the two is found to be satisfactory. The extinction profiles obtained by both the experiments showed a prominent peak at 23-24 km altitude in the stratosphere. The study revealed large variability in upper tropospheric extinction with location (latitude).

Published
1991
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