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RISInfluence of Three-Dimensional Radiative Effects on the Spatial Distribution of Shortwave Cloud Reflection
Publisher: American Meteorological Society
Abstract: This paper examines how three-dimensional radiative effects influence the way cloud fields appear in high-resolution shortwave satellite images. To do so, it uses cloud reflectance fields simulated by a Monte Carlo radiative ...
Multiyear Statistics of 2D Shortwave Radiative Effects at Three ARM Sites
Publisher: American Meteorological Society
Abstract: This study examines the importance of horizontal photon transport effects, which are not considered in the 1D calculations of solar radiative heating used by most atmospheric dynamical models. In particular, the paper ...
Effects of Cloud Heterogeneities on Shortwave Radiation: Comparison of Cloud-Top Variability and Internal Heterogeneity
Publisher: American Meteorological Society
Abstract: This paper examines the processes through which cloud heterogeneities influence solar reflection. This question is important since present methods give numerical results only for the overall radiative effect of cloud ...
Statistical Analysis of the Uncertainties in Cloud Optical Depth Retrievals Caused by Three-Dimensional Radiative Effects
Publisher: American Meteorological Society
Abstract: This paper presents a simple yet general approach to estimate the uncertainties that arise in satellite retrievals of cloud optical depth when the retrievals use one-dimensional radiative transfer theory for heterogeneous ...
Observations of Three-Dimensional Radiative Effects that Influence MODIS Cloud Optical Thickness Retrievals
Publisher: American Meteorological Society
Abstract: When cloud properties are retrieved from satellite observations, current calculations apply one-dimensional (1D) theory to the three-dimensional (3D) world: they consider only vertical processes and ignore horizontal ...
The Potential for Improved Boundary Layer Cloud Optical Depth Retrievals from the Multiple Directions of MISR
Publisher: American Meteorological Society
Abstract: The Multiangle Imaging Spectroradiometer (MISR) views the earth with nine cameras, ranging from a 70° zenith angle viewing forward through nadir to 70° viewing aft. MISR does not have an operational cloud optical depth ...
THOR—Cloud Thickness from Offbeam Lidar Returns
Publisher: American Meteorological Society
Abstract: Conventional wisdom is that lidar pulses do not significantly penetrate clouds having an optical thickness exceeding about τ = 2, and that no returns are detectible from more than a shallow skin depth. Yet optically thicker ...
A Variational Method to Retrieve the Extinction Profile in Liquid Clouds Using Multiple-Field-of-View Lidar
Publisher: American Meteorological Society
Abstract: iquid clouds play a profound role in the global radiation budget, but it is difficult to retrieve their vertical profile remotely. Ordinary narrow-field-of-view (FOV) lidars receive a strong return from such clouds, but ...
THE I3RC: Bringing Together the Most Advanced Radiative Transfer Tools for Cloudy Atmospheres
Publisher: American Meteorological Society
Abstract: The interaction of clouds with solar and terrestrial radiation is one of the most important topics of climate research. In recent years it has been recognized that only a full three-dimensional (3D) treatment of this ...