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RISRemote Sensing of Cloud Optical Properties from Ground-Based Measurements of Transmittance: A Feasibility Study
Publisher: American Meteorological Society
Abstract: The authors present a retrieval technique for the inference of cloud optical depth from data obtained by a ground-based multichannel radiometer for use in climate-related studies. The basic steps of the analysis procedure ...
Estimations of Cloud Optical Thickness from Ground-Based Measurements of Incoming Solar Radiation in the Arctic
Publisher: American Meteorological Society
Abstract: A technique for evaluation of cloud optical thickness (plant-parallel, homogeneous layer) from ground-based measurements of incoming solar irradiance using a simple radiation model is introduced. The sensitivities of ...
An Accurate Parameterization of the Radiative Properties of Water Clouds Suitable for Use in Climate Models
Publisher: American Meteorological Society
Abstract: A new parameterization of the radiative properties of water clouds is presented. Cloud optical properties for both solar and terrestrial spectra and for cloud equivalent radii in the range 2.5?60 µm are calculated from Mie ...
Remote Sensing of Surface and Cloud Properties in the Arctic from AVHRR Measurements
Publisher: American Meteorological Society
Abstract: Algorithms to retrieve cloud optical depth and effective radius in the Arctic using Advanced Very High Resolution Radiometer (AVHRR) data are developed, using a comprehensive radiative transfer model in which the atmosphere ...
Impact of Clouds on Surface Radiative Fluxes and Snowmelt in the Arctic and Subarctic
Publisher: American Meteorological Society
Abstract: A comprehensive atmospheric radiative transfer model combined with the surface energy balance equation is applied to investigate the impact of clouds on surface radiative fluxes and snowmelt in the Arctic and subarctic. ...
Impact of the Atmospheric Thickness on the Atmospheric Downwelling Longwave Radiation and Snowmelt under Clear-Sky Conditions in the Arctic and Subarctic
Publisher: American Meteorological Society
Abstract: Studies show that the energy available to melt snow at high latitudes is almost exclusively provided by radiation. Solar energy determines the period of possible snowmelt, while downwelling atmospheric longwave radiation ...
Optical Depth of Overcast Cloud across Canada: Estimates Based on Surface Pyranometer and Satellite Measurements
Publisher: American Meteorological Society
Abstract: Overcast cloud optical depths τ are inferred from hourly, broadband surface pyranometer measurements of global irradiance for 21 Canadian stations. A radiative transfer model that treats the atmosphere as plane-parallel ...
The ARM North Slope of Alaska (NSA) Sites
Publisher: American Meteorological Society
Estimation of Mixed-Phase Cloud Optical Depth and Position Using In Situ Radiation and Cloud Microphysical Measurements Obtained from a Tethered-Balloon Platform
Publisher: American Meteorological Society
Abstract: icrophysical and radiative measurements in boundary layer mixed-phase clouds (MPCs), consisting of ice crystals and liquid droplets, have been analyzed. These cloud measurements were collected during a May?June 2008 ...
Review of Science Issues, Deployment Strategy, and Status for the ARM North Slope of Alaska–Adjacent Arctic Ocean Climate Research Site
Publisher: American Meteorological Society
Abstract: Recent climate modeling results point to the Arctic as a region that is particularly sensitive to global climate change. The Arctic warming predicted by the models to result from the expected doubling of atmospheric carbon ...