Table 2 Sensor and acquisition settings for remote sensing data

ALS

CIR

RGBI

Hyperspectral

Date of acquisition

29 June 2005

28 July 2008

Platform

Piper Navajo fixed wing

Piper Chieftain fixed wing

Flying altitude (m)

3,100

1,500

Flying speed (ms⁻¹)

80

70

Sensor

Optech ALTM 3100

Applanix DSS

Vexcel UltraCam D

HySpex VNIR-1600

Resolution (m)^a

0.25

0.12

0.275/0.84

0.40

Pulse repletion frequency (kHz)

100

–

–

–

Scan frequency

70

–

–

–

Mean pulse density (m⁻²)

7.2

–

–

–

Swath width (m)

140

650

3,160

430

Spectral bands

1

3

4

160^b

Spectral regions covered (nm)

1,064

500–600

600–700

800–960

390–530

470–660

570–690

670–940

410–980^b