Roscoe manual. Volume 27. Natural background radiation. Final report 1 Jan 76-30 Jun 79

Technical Report · Tue Jul 01 04:00:00 EDT 1980

OSTI ID:5633681

Hamlin, D A; Schoonover, M R

The Natural Background Radiation Module computes the Earth's natural upwelling spectral radiance (from 2 to 5 micrometers) by averaging over paths in an Earth-tangent cone with vertex at each selected altitude. The processes contributing to the radiance are emission from air, Earth's surface, and clouds and reflection of solar radiation from Earth's surface and clouds; attenuation is by molecules and aerosols. The Module integrates ROSCOE-IR models for atmosphere, atmospheric thermal emission, molecular transmittance, aerosols, clouds, Earth's surface characterization and radiance, solar radiation, and upwelling natural radiation. The last 3 models are documented fully; other models (three of which were developed by other organizations) are documented mainly in terms of functions performed, inputs, and outputs. The user selects the modeled Earth's surface from one of seven categories (with possibly an associated descriptor): Lambertian surface (and diffuse reflectance), wind-ruffled water (and wind speed), snow (and its age parameter), sand, soil, foliage, and urban material (and degree-of-urbanization parameter).

• Research Organization: Science Applications, Inc., La Jolla, CA (USA)
• OSTI ID: 5633681
• Report Number(s): AD-A-102524/6
• Country of Publication: United States
• Language: English

Related Subjects

510301* -- Environment
Terrestrial-- Radioactive Materials Monitoring & Transport-- Soil-- (-1987)
54 ENVIRONMENTAL SCIENCES
AEROSOLS
ALTITUDE
ATTENUATION
BACKGROUND RADIATION
CLOUDS
COLLOIDS
COMPUTER CODES
COMPUTERIZED SIMULATION
DISPERSIONS
DISTRIBUTION FUNCTIONS
DOCUMENT TYPES
EARTH PLANET
ELECTROMAGNETIC RADIATION
EMISSIVITY
EXPLOSIONS
FUNCTIONS
INFRARED RADIATION
INFRARED SPECTRA
MANUALS
MATHEMATICAL MODELS
NUCLEAR EXPLOSIONS
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
PLANETS
RADIATIONS
REFLECTION
SIMULATION
SOLAR RADIATION
SOLS
SPECTRA
STELLAR RADIATION
SURFACE PROPERTIES
SURFACES
THERMAL RADIATION
UPWELLING