A FEASIBILITY AND DESIGN STUDY FOR AN AIRBORNE RADIOMETRIC SYSTEM TO MEASURE REMOTELY THE VERTICAL PROFILE OF TEMPERATURE, HUMIDITY, AND PRESSURE.

Abstract

Microwave and infrared radiation from atmospheric oxygen and carbon dioxide was computed for different types of atmospheres. Functions were derived which specified the relative radiative contribution from different layers in the atmosphere and these functions were found to be reasonably constant for extreme atmospheric conditions. Methods were developed for remotely measuring the temperature and pressure height profiles from 100 mb to the surface. The infrared results were more accurate, giving a probable error of about 0.8 deg C as opposed to 1.0 deg C for the microwave. This difference in accuracy is not significant when compared against the far greater all weather capability obtained with the microwave technique. Errors in remote probing from 100 mb looking downward are the largest in the lowest layers of the atmosphere. Nevertheless, the analytical feasibility of remotely measuring the air temperature and pressure height profiles has been established with the results approaching that of ground-based radiosondes. (Author)

Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1968
Accession Number
AD0668086

Entities

People

  • B. Richard Fow
  • Wayne D. Mount

Organizations

  • Sperry Corporation

Tags

DTIC Thesaurus Topics

  • Accuracy
  • Air Temperature
  • Airborne
  • Atmospheres
  • Carbon Dioxide
  • Electromagnetic Radiation
  • Errors
  • Ground Based
  • Humidity
  • Infrared Radiation
  • Ionizing Radiation
  • Microwaves
  • Optical Phenomena
  • Radiation
  • Radiosondes

Fields of Study

  • Environmental science

Readers

  • Atmospheric Remote Sensing.
  • Thermal Physics or Thermal Science.