Gustafson, G. B., Isaacs, R. G., D'Entremont, R. P., Sparrow, J. M., Hamill, T. M.
This report describes the SERCAA multiplatform, multisensor, multispectral cloud product analysis algorithms. These algorithms incorporate high-resolution sensor data from multiple military and...
Advanced Spectral Modeling Development (2006)
Isaacs, R. G., Worsham, R. D., Gallery, W. O., Clough, S. A., Moncet, J. L.
This report describes the results of a basic research program to develop advanced spectral modeling techniques to treat a variety of current topics in spectroscopy and radiative transfer relevant to...
Multiple Scattering Treatment for Use in the LOWTRAN and FASCODE Models (2003)
Isaacs, R. G., Wang, W. C., Worsham, R. D., Goldenberg, S.
An evaluation of available approaches to treat the coupled processes of multiple-scattering due to atmospheric molecules and aerosols, and nongray absorption due to atmospheric gases is performed....
Isaacs,R. G., Deblonde,G., Worsham,R. D., Livshits,M.
A simulation model applicable to the design specification of a millimeter wave moisture sounder is described. The algorithm is capable of treating the response of a multifrequency radiometer to...
Isaacs,R. G., Barnes,J. C., Petro,L. D., Worsham,R. D.
Concurrent visible and infrared cloud imagery from four satellite sensors (DMSP OLS, NOAA AVHRR, GOES VISSR, Landsat MSS) have been intercompared. Inherent differences in cloud field analyses are...
Improving Numerical Weather Prediction by Maximizing the Use of Assimilated Satellite Data. (2002)
Kaplan,L. D., Louis,J. F., Hoffman,R. N., Isaacs,R. G., Gutowski,W. J.
An extensive literature review showed a disparity between the large amount of satellite data currently or potentially available for meteorological parameters and the relatively small amount that is...
Water Vapor Profile Retrievals at 183 GHz: Land vs. Ocean and Clear vs. Cloudy, (2002)
This report summarizes the results of an initial study to investigate the retrieval of water vapor profiles over land from several combinations of millimeter wave frequency channels, to compare the...
Kaplan,L. D., Hoffman,R. N., Isaacs,R. G., Rosen,R. D., Salstein,D. A.
This review critically surveys types and accuracies of available satellite data, satellite data retrieval methodologies, and data requirements of numerical weather prediction (NWP) models. NWP...
Kaplan,L. D., Isaacs,R. G., Worsham,R. D.
A FASCODE based physical retrieval algorithm for atmospheric temperature sounding is developed in support of data analysis for the SCRIBE high resolution interferometer using a modified version of...
Microwave Moisture Sounder Feasibility Study. Phase 2. Retrieval Optimization. (1998)
Isaacs, R. G., Deblonde, G., Jin, Y. Q., Worsham, R. D., Grassotti, C.
This report documents the results of our two-year Phase II effort to investigate the application of data from the proposed DMSP microwave moisture sounder (SSM/T-2) to the inference of water vapor...
Isaacs, R. G., Worsham, R. D., Lindner, B. L.
A basic research program is described to investigate weather effects on microwave sensors used to remote sounding and to enhance our knowledge of microwave propagation through clouds and...
Isaacs, R. G., Grassotti, C., Hoffman, R. N., Nehrkorn, T., Louis, J. F.
An observing system simulation experiment (OSSE) is conducted using simulated DMSP microwave sensor data, surrogate data for cloud imagery (all based on a natural run), and the application of the...
Path Characterization Algorithms for FASCODE. (1998)
Isaacs, R. G., Clough, S. A., Worsham, S. D., Moncet, J. L., Linder, B. L.
This report has described the results of a study undertaken at AER to identify and implement a state of the art nonlinear retrieval approach to characterize line of sight variability of atmospheric...
Satellite Data Derived Estimates of Erosion Parameters for Reentry Vehicles. (1998)
Isaacs, R. G., Belfiore, J. S., Huang, H. C.
This study investigates the derivation of reentry-vehicle erosion parameter estimates based on the inference of rain rate and hydrometeor liquid water content from microwave imagery data from the...
Assessment of Spaceborne Lidar for Meteorological Analyses. (1998)
Isaacs, R. G., Mickelson, M., Molnar, G., Grassotti, C., Nehrkorn, T.
This report summarizes results of a basic research program to investigate and develop advanced techniques for obtaining and applying meteorological parameters from spaceborne lidars. The focus of...
Advanced Retrieval and Analysis of Satellite Data for Numerical Weather Prediction. (1998)
Louis, J. F., Isaacs, R. G., Nehrkorn, T., Hoffman, R. N., Grassotti, C.
This reports documents the development and testing of an advanced geophysical parameter retrieval, analysis and prediction system for global numerical weather prediction. The additions and...
DMSP F11 SSM/T-2 Calibration and Validation. (1998)
Falcone, V., Griffin, M. K., Isaacs, R. G., Pickle, J. D., Morrissey, J. F.
Calibration and validation of the Defense Meteorological Satellite Program (DMSP) Special Sensor Microwave Water Vapor Sounder (SSM/T-2) is investigated. The objective of the effort is to obtain...
Grassotti, C., Isaacs, R. G., Hoffman, R. N., Mickelson, M., Nehrkorn, T.
We have simulated the wind measurements which might be obtained from a low power doppler wind lidar (DWL) sensor. Wind profiles obtained from such an instrument will not be as complete as those...
This contract was for a basic research program to investigate the effects of clouds, precipitation and surface emissivity on microwave satellite sensors and their influence on atmospheric retrievals...
Advanced Spectral Modeling Development. (1992)
Isaacs, R. G., Worsham, R. D., Gallery, W. O., Clough, S. A., Moncet, J. L.
This report describes the results of a basic research program to develop advanced spectral modeling techniques to treat a variety of current topics in spectroscopy and radiative transfer relevant to...