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Characteristics of the light field in highly turbid waters: A Monte Carlo study
Author(s) -
Kirk John T. .
Publication year - 1994
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1994.39.3.0702
Subject(s) - attenuation coefficient , irradiance , monte carlo method , scattering , attenuation , field (mathematics) , absorption (acoustics) , optics , physics , computational physics , underwater , statistical physics , environmental science , statistics , mathematics , geology , oceanography , pure mathematics
The nature of the light field in waters with very high ratios of scattering coefficient to absorption coefficient ( b : a ) has been explored by Monte Carlo modeling. The progressive change in the angular structure of the field at a specified optical depth ( z m ) as b: a increases up to an extreme value of 200 is illustrated in terms of the changes in average cosines µ̄ d [ z m ], µ̄ u [ z m ], µ̄[ z m ]) and irradiance reflectance ( R [ z m ]). The dependence of the vertical attenuation coefficient for downward irradiance on absorption and scattering is satisfactorily represented byA nomnogram is presented, with the help of which the values of the absorption and scattering coefficients for highly turbid water bodies can be estimated from underwater irradiance data.