20 Future Perspectives
469
Sensor
Mission(s)
Spectral Bands
Spatial
Revisit Swath Width
Resolution
Ca[!ab.
TMR
44.6 km at 18
120 0 cone
Topex
TOPEXI
Microwave: 18, GHz, 37.4 at 21 10 days
centered on
Microwave
POSEIDON
21 and 37 GHz GHz and 23.5 at
Radiometer
37GHz
nadir
Travers SAR
PRIRODA
Microwave: 9.2
50-150 m
NA
50km
and 23 cm
No
periodic
VCL
repeat.
Vegetation
ESSP-IA
Visible-NIR
5 25m footprints Decay
30km
Caopy Lidar
orbit for
ground
samEling
Visible: 0.61-0.68
Jl m NIR: 0.78VEGETATIO
SPOT 4
0.89 Jl m SWIR:
N
SPOT 5
1.58-1.75 Jl m
1.15 km at nadir
I day
2200 km
Experimental
Mode: Visible
0.43-0.47 I:!: m
VHRR
INSAT lIa
Visible: 0.55-0.75
Very High
INSAT lIb
Jlm
2 km in visible, 8 30 min
Full Earth
Resolution
INSAT lIe
TIR: 10.5-12.5 Jl
km inIR
Disk
Radiometer
m
VIRS
Visible: 0.63Jl m,
720 km (45 0
SWIR: 1.6 and
Visible lnfraTRMM
3.75 Jl m, TIR:
2 km at nadir
I day
either side of
red Scanner
10.8 and 12 I:!: m
track)
VISSR
Visible: 0.55-0.9
Visible & IR
Jl m, TIR: 6.5-7.0 Visible: 1.25 km
Full Earth
Spin Scan
GMS-5
Jl m, 10.5-11.5 Jl
TIR: 5 km
30 min
Disk
Radiometer
m and 11.5-12.5 Jl
m
Imaging Mode:
VISSSRand
Visible: 0.55-0.75
VAS
JlmIR: 11 Jlm
Visible & IR
GOES 7
plus 2 other
Visible: 1 km
30 min
Horizon to
Spin Scanning
channels selecIR: 7 and 14 km
Horizon
table from 3.9,
Radiometer
6.7,7.3 and 13.3
I:!:m
VTIR
Visible: 0.5-0.7 Jl
Visible and
Thermal InfraMOS-I
m, 6.0-7.0 Jl m
Visible 0.9 km 17 days
1500 km
red RadiomeTIR: 10.5-11.5 Jl
TIR: 2.7km
ter
m, 11.5-12.5 Jl m