TABLE OF CONTENTS
- MLT_RSS/AMSU_Diurnal.f90/amsu_ccm3_diurnal_tb
- MLT_RSS/AMSU_Diurnal.f90/calculate_diurnal_correction
- MLT_RSS/AMSU_Diurnal.f90/read_amsu_ccm3_diurnal
- MLT_RSS/AMSU_Diurnal.f90
MLT_RSS/AMSU_Diurnal.f90/amsu_ccm3_diurnal_tb [ Subroutines ]
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NAME
amsu_ccm3_diurnal_tb
PURPOSE
calculates diurnal value from diurnal climatology for given channel,fov,location,date and local_time
INPUTS
chan AMSU_CHANNEL fov AMSU Field of View lon longitude lat latitude date date, to find time of year, in date structure (date_str) defined in date_and_time.f90 local_time local time, defined in time structure (time_str) defined in date_and_time.f90
RETURNED VALUE
diur_tb interpolated value of dirunal Tb
USAGE
tb_diurnal = amsu_ccm3_diurnal_tb(chan,fov,lon,lat,date,local_time)
MLT_RSS/AMSU_Diurnal.f90/calculate_diurnal_correction [ Subroutines ]
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NAME
calculate_diurnal_correction
PURPOSE
Calculate Diurnal Correction for a single AMSU scan line
INPUTS
channel AMSU channel number
INPUTS_OUTPUTS
L2A_Scan Structure containing AMSU L2A Scan data
OUTPUTS
Error Error Flag. 0 if everything OK, not zero otherwise
USAGE
Call calculate_diurnal_correction(L2A_scan,channel,error)
MLT_RSS/AMSU_Diurnal.f90/read_amsu_ccm3_diurnal [ Subroutines ]
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NAME
read_amsu_ccm3_diurnal
PURPOSE
reads CCM3-derived AMSU Diurnal Climatology for the given AMSU channel
INPUTS
chan AMSU channel
OUTPUTS
error error flag. 0 if everything OK, -1 if invalid channel passed
REMARKS
loads climatology into the module variable diur_tb_sim. The number of the channel currently loaded is contained in channel_loaded
USAGE
call read_amsu_ccm3_diurnal(5,error)
MLT_RSS/AMSU_Diurnal.f90 [ Methods ]
NAME
AMSU_Diurnal.f90
PURPOSE
Module for performing diurnal adjustment to AMSU measurements
DESCRIPTION
Module for performing diurnal adjustment to AMSU measurements Uses a model derived diurnal climatology to make the adjustment
AUTHOR
Carl Mears, Remote Sensing Systems
COPYRIGHT
THIS SOFTWARE AND ITS DOCUMENTATION ARE COPYRIGHT 2012 REMOTE SENSING SYSTEMS. THEY ARE PROVIDED FOR INFORMATIONAL AND ALGORITHM VERIFICATION PURPOSES ONLY AND MAY NOT BE USED IN WHOLE OR IN PART FOR ANY OTHER PURPOSE WITHOUT WRITTEN PERMISSION FROM REMOTE SENSING SYSTEMS. THEY ARE FURNISHED "AS IS." THE AUTHORS, THE UNITED STATES GOVERNMENT, ITS INSTRUMENTALITIES, OFFICERS, EMPLOYEES, AND AGENTS MAKE NO WARRANTY, EXPRESS OR IMPLIED, AS TO THE USEFULNESS OF THE SOFTWARE AND DOCUMENTATION FOR ANY PURPOSE. THEY ASSUME NO RESPONSIBILITY (1) FOR THE USE OF THE SOFTWARE AND DOCUMENTATION; OR (2) TO PROVIDE TECHNICAL SUPPORT TO USERS.
HISTORY
8/15/2012 Initial Version prepared for NCDC
USAGE
use AMSU_Diurnal