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RISA Grouped Threshold Approach for Scene Identification in AVHRR Imagery
Publisher: American Meteorological Society
Abstract: The authors propose a grouped threshold method for scene identification in Advanced Very High Resolution Radiometer imagery that may contain clouds, fire, smoke, or snow. The philosophy of the approach is to build modules ...
Daytime Multilayered Cloud Detection Using Multispectral Imager Data
Publisher: American Meteorological Society
Abstract: This study reports on recent progress toward the daytime detection of multilayered clouds in satellite multispectral data, specifically for the case of optically thin cirrus overlying lower-level water clouds. The technique ...
Design and Implementation of a Prototype Data System for Earth Radiation Budget, Cloud, Aerosol, and Chemistry Data
Publisher: American Meteorological Society
Abstract: The Earth Observing System (EOS) will collect data from a large number of satellite-borne instruments, beginning later in this decade. To make data accessible to the scientific community, NASA will build an EOS Data and ...
Cirrus Cloud Retrieval Using Infrared Sounding Data: Multilevel Cloud Errors
Publisher: American Meteorological Society
Abstract: In this study we perform an error analysis for cloud-top pressure retrieval using the High-Resolution Infrared Radiometric Sounder (HIRS/2) 15-µm CO2 channels for the two-layer case of transmissive cirrus overlying an ...
Exploration of the MODIS Cloud-Top Property Products for the Investigation of Equatorial Wave Systems
Publisher: American Meteorological Society
Abstract: The Moderate Resolution Imaging Spectroradiometer (MODIS) observations provide an unprecedented opportunity for studying cloud macrophysical (cloud-top pressure, temperature, height, and phase), microphysical (effective ...
Cloud-Property Retrieval Using Merged HIRS and AVHRR Data
Publisher: American Meteorological Society
Abstract: A technique is developed that uses a multispectral, multiresolution (MSMR) method to improve the overall retrieval of mid-to high-level cloud properties by combining HIRS sounding channel data with higher spatial resolution ...
Automated Cloud Classification of Global AVHRR Data Using a Fuzzy Logic Approach
Publisher: American Meteorological Society
Abstract: A fuzzy logic classification (FLC) methodology is proposed to achieve the two goals of this paper: 1) to discriminate between clear sky and clouds in a 32 ? 32 pixel array, or sample, of 1.1-km Advanced Very High Resolution ...
Bulk Scattering Properties for the Remote Sensing of Ice Clouds. Part III: High-Resolution Spectral Models from 100 to 3250 cm−1
Publisher: American Meteorological Society
Abstract: This study reports on the development of bulk single-scattering models for ice clouds that are appropriate for use in hyperspectral radiative transfer cloud modeling over the spectral range from 100 to 3250 cm?1. The models ...
Influence of Cloud-Top Height and Geometric Thickness on a MODIS Infrared-Based Ice Cloud Retrieval
Publisher: American Meteorological Society
Abstract: The retrieval of ice cloud microphysical and optical properties from satellite-based infrared observation remains a challenging research topic, partly because of the sensitivity of observed infrared radiances to many surface ...
Assessment of the Quality of MODIS Cloud Products from Radiance Simulations
Publisher: American Meteorological Society
Abstract: Observations made by the Moderate Resolution Imaging Spectroradiometer (MODIS), the Atmospheric Infrared Sounder (AIRS), the Cloud?Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO), and CloudSat are ...