Preface |
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xi | |
Acknowledgments |
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xiii | |
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1 | (6) |
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1 | (1) |
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1.2 What is Meant by a Coupled System? |
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2 | (1) |
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3 | (1) |
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4 | (3) |
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2 Inherent Optical Properties (IOPs) |
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7 | (78) |
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7 | (4) |
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2.1.1 Absorption Coefficient and Volume Scattering Function |
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7 | (1) |
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2.1.2 Scattering Phase Function |
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8 | (3) |
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2.2 Examples of Scattering Phase Functions |
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11 | (3) |
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2.2.1 Rayleigh Scattering Phase Function |
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11 | (1) |
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2.2.2 Henyey--Greenstein Scattering Phase Function |
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11 | (2) |
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2.2.3 Fournier--Forand Scattering Phase Function |
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13 | (1) |
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2.2.4 The Petzold Scattering Phase Function |
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14 | (1) |
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2.3 Scattering Phase Matrix |
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14 | (10) |
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2.3.1 Stokes Vector Representation IS = [ I, Q, U, V]T |
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16 | (4) |
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2.3.2 Stokes Vector Representation I = [ I||, I, U, V]T |
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20 | (2) |
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2.3.3 Generalized Spherical Functions |
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22 | (2) |
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2.4 IOPs of a Polydispersion of Particles -- Integration over the Size Distribution |
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24 | (5) |
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2.4.1 IOPs for a Mixture of Different Particle Types |
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25 | (1) |
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2.4.2 Treatment of Strongly Forward-Peaked Scattering |
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26 | (2) |
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2.4.3 Particle Size Distributions (PSDs) |
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28 | (1) |
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2.5 Scattering of an Electromagnetic Wave by Particles |
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29 | (6) |
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2.5.1 Summary of Electromagnetic Scattering |
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30 | (1) |
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2.5.2 Amplitude Scattering Matrix |
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31 | (1) |
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32 | (2) |
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2.5.4 Extinction, Scattering, and Absorption |
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34 | (1) |
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2.6 Absorption and Scattering by Spherical Particles -- Mie--Lorenz Theory |
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35 | (6) |
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41 | (7) |
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41 | (1) |
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2.7.2 Gases in the Earth's Atmosphere |
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42 | (1) |
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43 | (2) |
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2.7.4 IOPs of Suspended Particles in the Atmosphere |
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45 | (1) |
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45 | (2) |
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47 | (1) |
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48 | (5) |
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48 | (2) |
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2.8.2 Extension of Particle IOP Parameterization to Longer Wavelengths |
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50 | (1) |
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2.8.3 Impurities, Air Bubbles, Brine Pockets, and Snow |
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51 | (2) |
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53 | (10) |
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2.9.1 Absorption and Scattering by Pure Water |
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53 | (1) |
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2.9.2 Absorption and Scattering by Water Impurities |
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54 | (2) |
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2.9.3 Bio-Optical Model Based on the Particle Size Distribution (PSD) |
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56 | (7) |
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2.10 Fresnel Reflectance and Transmittance at a Plane Interface Between Two Coupled Media |
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63 | (5) |
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2.10.1 Stokes Vector of Reflected Radiation |
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65 | (1) |
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65 | (2) |
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2.10.3 Stokes Vector of Transmitted Radiation |
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67 | (1) |
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2.11 Surface Roughness Treatment |
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68 | (9) |
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68 | (2) |
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2.11.2 Reciprocity Relation and Kirchhoff's Law |
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70 | (1) |
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2.11.3 Specular Versus Lambertian and Non-Lambertian Reflection at the Lower Boundary |
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71 | (1) |
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2.11.4 Scattering, Emission, and Transmission by a Random Rough Surface -- Kirchhoff Approximation |
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72 | (1) |
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2.11.4.1 Rough Dielectric Interface |
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72 | (4) |
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2.11.5 Slope Statistics for a Wind-Roughened Water Surface |
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76 | (1) |
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77 | (8) |
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78 | (4) |
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82 | (3) |
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3 Basic Radiative Transfer Theory |
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85 | (32) |
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3.1 Derivation of the Radiative Transfer Equation (RTE) |
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85 | (3) |
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3.1.1 RTE for Unpolarized Radiation |
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85 | (2) |
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3.1.2 RTE for Polarized Radiation |
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87 | (1) |
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3.2 Radiative Transfer of Unpolarized Radiation in Coupled Systems |
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88 | (2) |
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3.2.1 Isolation of Azimuth Dependence |
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89 | (1) |
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3.3 Radiative Transfer of Polarized Radiation in Coupled Systems |
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90 | (3) |
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3.3.1 Isolation of Azimuth Dependence |
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91 | (2) |
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3.4 Methods of Solution of the RTE |
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93 | (17) |
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94 | (2) |
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3.4.2 Single-Scattering Approximation |
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96 | (4) |
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3.4.3 Successive Order of Scattering (SOS) Method |
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100 | (2) |
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3.4.4 Discrete-Ordinate Method |
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102 | (3) |
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3.4.5 Doubling-Adding and Matrix Operator Methods |
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105 | (4) |
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109 | (1) |
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3.5 Calculation of Weighting Functions -- Jacobians |
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110 | (7) |
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3.5.1 Linearized Radiative Transfer |
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110 | (2) |
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3.5.2 Neural Network Forward Models |
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112 | (5) |
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4 Forward Radiative Transfer Modeling |
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117 | (20) |
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4.1 Quadrature Rule -- The Double-Gauss Method |
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117 | (3) |
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4.2 Discrete Ordinate Equations -- Compact Matrix Formulation |
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120 | (3) |
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120 | (2) |
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122 | (1) |
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4.3 Discrete-Ordinate Solutions |
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123 | (14) |
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4.3.1 Homogeneous Solution |
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123 | (5) |
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4.3.2 Vertically Inhomogeneous Media |
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128 | (1) |
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4.3.3 Particular Solution -- Upper Slab |
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129 | (4) |
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4.3.4 Particular Solution -- Lower Slab |
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133 | (1) |
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134 | (1) |
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4.3.6 Boundary Conditions |
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135 | (2) |
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137 | (68) |
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5.1 Probability and Rules for Consistent Reasoning |
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137 | (3) |
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140 | (23) |
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5.2.1 Optimal Estimation, Error Bars and Confidence Intervals |
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140 | (7) |
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5.2.2 Problems with More Than One Unknown Parameter |
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147 | (10) |
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5.2.3 Approximations: Maximum Likelihood and Least Squares |
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157 | (3) |
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5.2.4 Error Propagation: Changing Variables |
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160 | (3) |
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5.3 Model Selection or Hypothesis Testing |
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163 | (5) |
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5.4 Assigning Probabilities |
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168 | (13) |
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5.4.1 Ignorance: Indifference, and Transformation Groups |
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168 | (5) |
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5.4.2 Testable Information: The Principle of Maximum Entropy |
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173 | (8) |
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5.5 Generic Formulation of the Inverse Problem |
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181 | (1) |
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5.6 Linear Inverse Problems |
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182 | (4) |
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5.6.1 Linear Problems without Measurement Errors |
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183 | (2) |
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5.6.2 Linear Problems with Measurement Errors |
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185 | (1) |
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5.7 Bayesian Approach to the Inverse Problem |
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186 | (5) |
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5.7.1 Optimal Solution for Linear Problems |
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189 | (2) |
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5.8 Ill Posedness or Ill Conditioning |
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191 | (9) |
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5.8.1 SVD Solutions and Resolution Kernels |
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192 | (5) |
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5.8.2 Twomey--Tikhonov Regularization -- TT-Reg |
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197 | (1) |
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5.8.3 Implementation of the Twomey--Tikhonov Regularization |
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198 | (2) |
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5.9 Nonlinear Inverse Problems |
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200 | (5) |
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5.9.1 Gauss--Newton Solution of the Nonlinear Inverse Problem |
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201 | (2) |
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5.9.2 Levenberg--Marquardt Method |
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203 | (2) |
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205 | (58) |
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6.1 Principal Component (PC) Analysis |
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205 | (2) |
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6.1.1 Application to the O2 A Band |
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206 | (1) |
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6.2 Simultaneous Retrieval of Total Ozone Column (TOC) Amount and Cloud Effects |
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207 | (8) |
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209 | (1) |
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6.2.2 Atmospheric Radiative Transfer Model |
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210 | (1) |
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210 | (1) |
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6.2.4 Radial Basis Function Neural Network Methodology |
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210 | (1) |
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6.2.5 Training of the RBF-NN |
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211 | (1) |
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6.2.6 COD and TOC Values Inferred by the LUT and RBF-NN Methods |
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211 | (2) |
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6.2.7 TOC Inferred from NILU-UV (RBF-NN and LUT) and OMI |
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213 | (1) |
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214 | (1) |
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6.3 Coupled Atmosphere--Snow--Ice Systems |
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215 | (10) |
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6.3.1 Retrieval of Snow/Ice Parameters from Satellite Data |
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216 | (2) |
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6.3.2 Cloud Mask and Surface Classification |
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218 | (1) |
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6.3.2.1 Snow Sea Ice Cover and Surface Temperature |
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218 | (1) |
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6.3.3 Snow Impurity Concentration and Grain Size |
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219 | (6) |
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6.4 Coupled Atmosphere--Water Systems |
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225 | (7) |
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6.4.1 Comparisons of C-DISORT and C-MC Results |
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226 | (1) |
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6.4.2 Impact of Surface Roughness on Remotely Sensed Radiances |
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226 | (2) |
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6.4.3 The Directly Transmitted Radiance (DTR) Approach |
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228 | (1) |
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6.4.4 The Multiply Scattered Radiance (MSR) Approach |
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229 | (1) |
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6.4.5 Comparison of DTR and MSR |
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230 | (2) |
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6.5 Simultaneous Retrieval of Aerosol and Aquatic Parameters |
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232 | (5) |
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233 | (1) |
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234 | (1) |
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235 | (2) |
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6.6 Polarized RT in a Coupled Atmosphere--Ocean System |
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237 | (12) |
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6.6.1 C-VDISORT and C-PMC Versus Benchmark -- Aerosol Layer -- Reflection |
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239 | (1) |
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6.6.2 C-VDISORT and C-PMC Versus Benchmark -- Aerosol Layer -- Transmission |
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239 | (3) |
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6.6.3 C-VDISORT and C-PMC Versus Benchmark -- Cloud Layer -- Reflection |
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242 | (1) |
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6.6.4 C-VDISORT and C-PMC Versus Benchmark -- Cloud Layer -- Transmission |
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242 | (3) |
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6.6.5 C-VDISORT Versus C-PMC -- Aerosol Particles -- Coupled Case |
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245 | (1) |
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6.6.6 C-VDISORT Versus C-PMC -- Aerosol/Cloud Particles -- Coupled Case |
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245 | (4) |
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249 | (1) |
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6.7 What if MODIS Could Measure Polarization? |
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249 | (14) |
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249 | (1) |
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250 | (1) |
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250 | (2) |
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252 | (1) |
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6.7.5 Optimal estimation/Inverse model |
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252 | (2) |
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254 | (6) |
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260 | (3) |
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A Scattering of Electromagnetic Waves |
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263 | (24) |
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A.1 Absorption and Scattering by a Particle of Arbitrary Shape |
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264 | (7) |
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A.1.1 General Formulation |
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264 | (1) |
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A.1.2 Amplitude Scattering Matrix |
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265 | (1) |
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266 | (2) |
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A.1.4 Extinction, Scattering, and Absorption |
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268 | (3) |
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A.2 Absorption and Scattering by a Sphere -- Mie Theory |
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271 | (16) |
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A.2.1 Solutions of Vector Wave Equations in Spherical Polar Coordinates |
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272 | (3) |
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A.2.2 Expansion of Incident Plane Wave in Vector Spherical Harmonics |
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275 | (2) |
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A.2.3 Internal and Scattered Fields |
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277 | (10) |
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B Spectral Sampling Strategies |
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287 | (10) |
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B.1 The MODTRAN Band Model |
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289 | (1) |
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B.2 The k-Distribution Method |
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290 | (3) |
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B.3 Spectral Mapping Methods |
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293 | (1) |
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B.4 Principal Component (PC) Analysis |
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294 | (1) |
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B.5 Optimal Spectral Sampling |
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294 | (3) |
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C Rough Surface Scattering and Transmission |
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297 | (16) |
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C.1 Scattering and Emission by Random Rough Surfaces |
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297 | (16) |
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C.1.1 Tangent Plane Approximation |
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298 | (2) |
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C.1.2 Geometrical Optics Solution |
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300 | (1) |
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C.1.2.1 Stationary-Phase Method |
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301 | (12) |
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313 | (18) |
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D.1 The Combined Boundary Condition System |
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313 | (2) |
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315 | (2) |
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D.3 Layer Interface Conditions in the Upper Slab |
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317 | (8) |
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D.3.1 Interface Between the Two Slabs (Atmosphere--Water System) |
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319 | (6) |
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D.4 Layer Interface Conditions in the Lower Slab |
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325 | (1) |
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D.5 Bottom Boundary of Lower Slab |
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325 | (6) |
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D.5.1 Bottom Thermal Emission Term |
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327 | (1) |
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327 | (1) |
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D.5.3 Bottom Diffuse Radiation |
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328 | (1) |
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D.5.4 Bottom Boundary Condition |
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329 | (2) |
References |
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331 | (16) |
Index |
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347 | |