Numerical end-to-end model of the earth radiation budget experiment: earth-viewing nonscanning radiometric channels

Kory J. Priestley; Martial P.A. Haeffelin; J. Robert Mahan; Nour E. Tira; Robert Benjamin Lee III; Robert J. Keynton

doi:10.1117/12.197231

21 December 1994 Numerical end-to-end model of the earth radiation budget experiment (ERBE): earth-viewing nonscanning radiometric channels

Kory J. Priestley, Martial P.A. Haeffelin, J. Robert Mahan, Nour E. Tira, Robert Benjamin Lee III, Robert J. Keynton

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Proceedings Volume 2318, Recent Advances in Remote Sensing and Hyperspectral Remote Sensing; (1994) https://doi.org/10.1117/12.197231
Event: Satellite Remote Sensing, 1994, Rome, Italy

Abstract

The Earth Radiation Budget Experiment consists of an array of radiometric instruments placed in Earth orbit by the National Aeronautics and Space Administration to monitor the longwave and shortwave components of the Earth's radiative budget. Presented is a high-level dynamic electrothermal model of the nonscanning Earth-viewing active cavity radiometers used to measure the Earth's total radiative exitance. High accuracy is obtained by integrating an optical and thermal radiative model with both a transient conduction model of the Suprasil^R filter dome and a dynamic electrothermal model of the active cavity. The instrument optical and thermal radiative performance is characterized by a Monte-Carlo ray- trace representation. Thermal diffusion in the Suprasil^R filter dome is modeled by a three-dimensional transient finite difference analysis. Dynamic electrothermal behavior of the active cavity is described by a two-dimensional transient finite element model. The paper emphasizes the capabilities of the current models, including the ability to perform simulated calibration runs and to simulate the so-called `solar blip' phenomenon.

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Kory J. Priestley, Martial P.A. Haeffelin, J. Robert Mahan, Nour E. Tira, Robert Benjamin Lee III, and Robert J. Keynton "Numerical end-to-end model of the earth radiation budget experiment (ERBE): earth-viewing nonscanning radiometric channels", Proc. SPIE 2318, Recent Advances in Remote Sensing and Hyperspectral Remote Sensing, (21 December 1994); https://doi.org/10.1117/12.197231

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KEYWORDS

Calibration

Shortwaves

3D modeling

Instrument modeling

Domes

Radiometry

Solar energy

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