Topical Outline
Main Topics
Overview
Background
Tools
Methodology
Tutorials
Combining Data
Future
Subtopics
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Tools: AVHRR
- Characteristics of the AVHRR Sensor
|
Characteristics of the AVHRR Sensor
- Average Orbital Height : 830 km
- Data Format :
- HRPT : High Resolution Picture Transmission
- GAC : Global Area Coverage
- LAC : Local Area Coverage
- Spatial Resolution:
- HRPT : 1.1 kilometers
- GAC : 4.4 kilometers
- LAC : 1.1 kilometers
- Swath Width : 2800 kilometeres
- Temperol Coverage : 2 times per day per satellite
| Satellite Number |
Launch Date |
Service Date
|
| TIROS-N |
10/13/78 |
10/19/78 - 01/30/80 |
| NOAA-6 |
06/27/79 |
06/27/79 - 11/16/86 |
| NOAA-7 |
06/23/81 |
08/24/81 - 06/07/86 |
| NOAA-8 |
03/28/83 |
05/03/83 - 10/31/85 |
| NOAA-9 |
12/12/84 |
02/25/85 - 05/11/94 |
| NOAA-10 |
09/17/86 |
11/17/86 - Present |
| NOAA-10 |
09/17/86 |
11/17/86 - Present |
| NOAA-11 |
09/24/88 |
11/08/88 - 09/13/94 |
| NOAA-12 |
05/14/91 |
05/14/91 - 12/15/94 |
| NOAA-14 |
12/30/94 |
12/30/94 - Present |
| NOAA-15 |
05/13/98 |
05/13/98 - Present |
- Records Data in 5 Wavelength Intervals
(bands)
| Band Number |
Satellites: NOAA-6,8,10 |
Satellites: NOAA-7,9,11,12,14,15
|
| 1 |
0.58 - 0.68 |
0.58 - 0.68 |
| 2 |
0.725 - 1.10 |
0.725 - 1.10 |
| 3 |
3.55 - 3.93 |
3.55 - 3.93 |
| 4 |
10.50 - 11.50 |
10.3 - 11.3 |
| 5 |
10.50 - 11.50 |
11.5 - 12.5 |
- Bands 1 and 2 record reflected energy
- Band 3 records reflected energy during
the day and emitted energy at night.
- Bands 4 and 5 records emitted thermal (heat)
energy
|