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Small Satellite Mission on Bi-spectral Infrared

Detection (BIRD) – a Prototype Mission of the German

Aerospace Center (DLR)

The BIRD technology demonstrator mission was prepared and is conducted by the German Aerospace Center with support of several German institutes, enterprises, and universities

Global Fire Monitoring CenterAstro- und Feinwerktechnik Adlershof GmbH

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BIRD Primary Mission Goals:

Test of new micro satellite technology components

Test of a dedicated Hot Spot Recognition System

Test of new algorithms to estimate quantitative characteristics of wildfires, volcanic activity, and coal seam fires

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The BIRD Main Payload

Payload platform of the flight model with assembling tools

Total mass: 30.2 kg

WAOSS-B MIR TIR Wavelength 600-670nm

840-900nm 3.4-4.2µm 8.5-9.3µm

Focal length 21.65mm 46.39mm 46.39 mm Detector CCD CdHgTe CdHgTe Ground pixel size 185m 370m 370m Ground sampling distance

185m 185m 185m

Swath width 533km 190km 190km 1 at 572km Orbit altitude

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First Image: 05/11/2001,

9:42:40 UTC

Mid-wave Infra-Red channel (3.4-4.2µm)

(semi-transparency overlay)

WAOSS- nadir channel (840-900nm)

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Hot spot detection by GOES and BIRD (23 November 2001)

GOES BIRD

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BIRD MIR images of bush fires, Sydney area,

Australia

obtained on:

a - January 4, 2002

b - January 5, 2002

c - January 9, 2002

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Typical characteristics of fire fronts (BIRD, Australia, January 5, 2002)

No Eq. firetemp., K

Eq. firearea, Ha

Frontlength,

km

Energyrelease,

MW

Frontstrength,

kW/m

1

2

3

4

5

6

7

8

815

715

893

>670

852

957

>690

796

0.48

2.3

0.59

<0.78

0.92

1.0

<0.51

0.39

4

7.5

3

5

10

9

4

3

130

310

210

79

300

530

62

96

30

40

70

15

30

60

15

30

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Fires in Tannu mountains, Siberia, Russia (BIRD, 24 July 2002)

MIR channel Radiative energy release

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Hotspots in the area of Lago Mar Chiquita, Argentina (BIRD, 22 August 2002)

Radiative energy release