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Final

GEO 542 Study Guide - Final Guide: Landsat 7, Video Camera Tube, Landsat Program


Department
Geography
Course Code
GEO 542
Professor
Wayne Forsythe
Study Guide
Final

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SATELLITES YEAR
LAUNCHED/NATION
RESOLUTION OTHER INFO
ERS-1 1991
European R.S Satellite
Can read ocean
surface
ERS-2 1995 Ozone detection
ENVISAT 2002 10 Optical and radar
instruments;
Communication lost in
2012
RADARSAT 1995
Canadian Satellite
8m to 100m res.
Spectral band: C-
band
Swath – 45 to 510km
Synthetic aperture
radar (SAR); see
through clouds, haze,
smoke ; HQ images
RADARSAT 2 December, 2007
Canadian , launched in
Kazakhstan
High Resolution
Imagery
Flexibility in selections
of polarization; can
look to left and right;
processing and
delivering timeline
goes to MDA
(MacDonald, Detwiller
and assoc.; funded by
Canadian tax payers)
geospatial cervices
IKONOS 1994 Optical Bands 4m;
Visible Imagery;
Panchromatic – 1m
Can combine Visible
and Panchromatic
Detailed B/W photos;
Pan sharpening;
Taken over by
GEOEYE, Yahoo and
Microsoft
GEOEYE 1 Sept. 6 2008 0.41m to 1.34m
panchromatic
1.65m to 5.41
Multispectral
(nominal and nadir)
Successor to
IKONOS

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QUICKBIRD 2 (Digital
Globe)
Oct 18 2001 0.6m panchromatic
2.5m multispectral
QUICKBIRD failed to
launch in 2000
WORLDVIEW 1 Sept. 18 2007 0.5m panchromatic
(17.6km at NADIR)
0.5m at NADIR
WORLDVIEW 2 Oct. 8 2009 0.46m panchromatic
LFC (Large Format
Camera)
Sept 5-13, 1984
Launched with the
Challanger Shuttle
20m spatial resolution Color IR (infrared)
Natural Color and
Panchromatic film;
2000 images
collected
LANDSAT 1
(Land Sensor)
1972 Designed to inquire
data on the Earth’s
surface; LANDSAT 1
– 5, 7, were all
successful, LANDSAT
6 did not reach orbit
LANDSAT 7
ERTS (Earth
Resource Technology
Satellite)
-LANDSAT sensors
To be launched in 2013
80m Spatial Res.
3 spectral bands
(red, green and near
infrared)
2 receiving stations in
Canada, one in Prince
Alberts,
Saskatchewan and
the other is Gatineau,
Quebec.
Return Beam Vidicon
(RBV) LANDSAT 1-3
Transmitted to the
Earth as a video
signal

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MULTISPECTRAL
SCANNER (MSS)
-LANDSAT 1-5
79m Spatial Res.
4 Spectral Bands
(green, red and 2 in
near infrared)
Transmitted in an
digital format (50mb
per image)
THEMATIC MAPPER
(TM)
LANDSAT 4-5
30m Spatial Res.
7 Spectral bands
(green, blue, red,
near IR, thermal, IR
and 2 in middle
infrared)
185km image swath
(path =185km,
row=approx. 185km)
ENHANCED
THEMATIC MAPPER
PLUS (ETM+)
-LANDSAT 7
15m Spatial Res.
60m Thermal Band
30m Remaining for
other bands
Same bands as TM
plus a panchromatic
band (B/W)
SPOT (SYSTEME
POUR
OBSERVATION DE
LA TERRE)
Land Sensor
SPOT 1 – 1986
SPOT 5 – 2002
SPOT 1 -3 Feb. 22. 1986
Jan 22. 1990
Sept 26. 1993
10m panchromatic
20m multispectral
60km image swath for
each HRV (120km
total)
High Res Visible
(HRV)
2 HRV sensors (2
different areas of the
world simultaneously)
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