ISCCP Radiance Calibration Report
Table of Contents
Page No.
1. INTRODUCTION..............................................1
2. CALIBRATION PROCEDURES:
2.1. OVERVIEW.............................................2
2.2. EVIDENCE FOR PROBLEMS................................2
2.2.1. GEOSTATIONARY RADIOMETER CALIBRATION..........2
2.2.2. POLAR ORBITER RADIOMETER CALIBRATION..........3
3. CHANGES TO GEOSTATIONARY NORMALIZATION PROCEDURES.........8
4. CHANGES TO POLAR ORBITER NORMALIZATION AND
MONITORING PROCEDURES:...................................10
4.1. VISIBLE RADIANCES (AVHRR CHANNEL 1).................10
4.2. INFRARED RADIANCES (AVHRR CHANNEL 4)................11
5. CHANGES TO ABSOLUTE CALIBRATIONS:........................16
5.1. SHIFT TO NOAA-9 REFERENCE STANDARD..................16
5.2. CHANGE OF AIRCRAFT VISIBLE CALIBRATION FOR NOAA-9...16
5.3. NOAA-9 IR CALIBRATION...............................16
5.4. OTHER CALIBRATION CHANGES...........................17
6. CALIBRATION (STAGE BT) DATASETS..........................18
7. REFERENCES...............................................19
8. NEW CALIBRATION TABLES...................................21
8.1. REPLACEMENTS FOR NOAA TABLES 2.19, 2.20, 2.21,
2.22, 2.23 AND 2.24, PLUS ADDITIONS FOR NOAA-7,
NOAA-8 AND NOAA-12..................................23
8.2. REPLACEMENTS FOR METEOSAT TABLES 3.11, 3.12,
3.13 AND 3.14 PLUS ADDITIONS FOR METEOSAT-5.........34
8.3. REPLACEMENTS FOR GOES TABLES 4.8, 4.9, 4.10,
4.11 AND 4.12.......................................48
8.4. REPLACEMENTS FOR GMS TABLES 5.9, 5.10, 5.11,
5.12, 5.13 AND 5.14.................................58
8.5. REPLACEMENTS FOR INSAT TABLES 6.3 AND 6.4...........70
Glossary of Acronyms
| AVHRR | Advanced Very High Resolution Radiometer |
| ESA | European Space Agency |
| GMS | Geostationary Meteorological Satellite |
| GOES | Geostationary Operational Environmental Satellite |
| ICSU | International Council of Scientific Unions |
| IFOV | Instantaneous Field of View |
| INSAT | Indian National Satellite System |
| IR | Infrared |
| ISCCP | International Satellite Cloud Climatology Project |
| JMA | Japan Meteorological Agency |
| NOAA | National Oceanic and Atmospheric Administration |
| TIROS-N | Television Infrared Operational Satellite |
| VAS | VISSR Atmospheric Sounder |
| VHRR | Very High Resolution Radiometer |
| VIS | Visible |
| VISSR | Visible Infrared Spin-Scan Radiometer |
| WCRP | World Climate Research Program |
| WMO | World Meteorological Organization |
| WV | Water Vapor |
ISCCP Project Documents: Radiance Calibrations
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