Frequently Asked Questions

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Question:
What are the bands and spectral ranges for ALI?

Answer:

ALI was built to provide vital information for the next Landsat mission. The ALI bands are thus very similar to Landsat, but note that ALI does not have a thermal band.

The table below shows a comparison between the ALI and ETM+ bands and spectral ranges.

ALI B and #		ALI spectral range (μm)	Landsat 7 Band #	ETM+ spectral range (μm)	Description
ALI L1G	Alternate designation
Band 1	(PAN)	.048-0.69	Band 8	.52-.90	panchromatic
Band 2	(MS-1')	0.433-0.453	(not available)		VNIR(blue)
Band 3	(MS-1)	0.45-0.515	Band 1	0.45-0.52	VNIR(blue)
Band 4	(MS-2)	0.525-0.605	Band 2	0.53-0.61	VNIR(green)
Band 5	(MS-3)	0.63-0.69	Band 3	0.63-0.69	VNIR(red)
Band 6	(MS-4)	0.775-0.805	Band 4	0.78-0.90	VNIR
Band 7	(MS-4')	0.845-0.89	(not available)		VNIR
Band 8	(MS-5')	1.2-1.3	(not available)		SWIR
Band 9	(MS-5)	1.55-1.75	Band 5	1.55-1.75	SWIR
Band 10	(MS-7)	2.08-2.35	Band 7	2.09-2.35	SWIR
(not available)			Band 6	10.40-12.50	TIR