Accession Number : ADA267590


Title :   Analysis of Global Radiation Budgets and Cloud Forcing Using Three-Dimensional Cloud Nephanalysis Data Base


Descriptive Note : Master's thesis,


Corporate Author : AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH


Personal Author(s) : Mitchell, Bruce


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a267590.pdf


Report Date : Dec 1990


Pagination or Media Count : 115


Abstract : A one-dimensional radiative transfer model was used to compute the global radiative budget at the top of the atmosphere (TOA) and the surface for January and July. 1979. The model was also used to determine the global cloud radiative forcing for all clouds and for high and low cloud layers. In the computations. we used the monthly cloud data derived from the Air Force Three- Dimensional Cloud Nephanalysis (3DNEPH). These data were used in conjunction with conventional temperature and humidity profiles analyzed during the 1979 First GARP (Global Atmospheric Research Program) Global Experiment (FGGE) year. Global surface albedos were computed from available data and were included in the radiative transfer analysis. Comparisons of the model-produced outgoing solar and infrared fluxes with those derived from Nimbus 7 Earth Radiation Budget (ERS) data were made to validate the radiative model and cloud cover. For reflected solar and emitted infrared (IR) flux, differences within 20 w/m2 meters were shown.


Descriptors :   *CLOUDS , *RADIATION , *RADIATIVE TRANSFER , *BUDGETS , *GLOBAL , DATA BASES , COMPUTATIONS , LAYERS , SURFACES , PROFILES , HUMIDITY , ATMOSPHERES , CLOUD COVER , SOLAR ACTIVITY , THREE DIMENSIONAL , THESES , ONE DIMENSIONAL , MODELS , TEMPERATURE , UNCERTAINTY , AIR FORCE


Subject Categories : Meteorology
      Thermodynamics


Distribution Statement : APPROVED FOR PUBLIC RELEASE