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Satellite and Geophysical Imagery, and Remotely Sensed Data Processing and Analysis

Address
27a Townshend Road,
WA,
Subiaco,
6008,
Other,
Australia
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Geoimage has been the leading Australian satellite remote sensing data supplier since 1990. We are an independent image processing consultant, specialising in the production and sales of satellite and geophysical imagery, and the processing and analysis of remotely sensed data for natural resource applications.

Satellite imagery for mineral exploration

The uses of satellite imagery for mineral exploration includes background images for infrastructure planning, environmental impact studies, grassroots exploration and ground access, spectral processing to delineate potential exploration targets and digital elevation model generation. We provide the following quality spatial products and services:

  • Advice and supply of satellite image data
  • Satellite image products
  • Remote sensing and image processing services
  • Sales and processing of airborne geophysical data
  • Geophysical image products
  • Supply of airborne hyperspectral data
  • Digital elevation models
  • Digital maps and vector data
  • Software sales, training and support

Satellite imagery for remote locations

High-resolution imagery from Worldview-1, QuickBird, GeoEye-1 and IKONOS produces background imagery down to 1:2,000 and medium-resolution imagery such as Landsat and ASTER can be used to produce broad-scale regional coverage. This background imagery can be used within GIS software for mine-site planning, access to utilities, drill-hole placement or as a true ground image for both accessible and inaccessible or remote locations.

Satellites for mine-site planning, access and ground imagery

The IKONOS satellite, launched in 1999 and owned and operated by GeoEye, collects image data down to a pixel resolution of 0.82m. Onboard sensors can point both along and across track, providing a revisit capability of one to three days, depending on latitude.

Geoimage provides satellite and geophysical imagery products and services throughout the globe.
Satellite imagery is used widely in the mining industry for infrastructure planning, environmental impact studies, grassroots exploration and ground access.
The QuickBird satellite collects image data down to a pixel resolution of 0.61m, and is suitable for use within GIS software for mine-site planning and access to utilities.
The advanced spaceborne thermal emission and reflectance radiometer (ASTER), an instrument sensor system, is ideal for global change-related applications such as hazard monitoring.
The Worldview satellite, with state-of-the-art geolocation accuracy capabilities, provides rapid targeting and efficient in-track stereo collection.

QuickBird is a high-resolution satellite that was launched in 2001, which is owned and operated by DigitalGlobe, and collects image data down to a pixel resolution of 0.61m. Onboard sensors can point both along and across the satellite track, providing a revisit capability of 1 to 3.5 days, depending on latitude.

Instrument sensor systems

The advanced spaceborne thermal emission and reflectance radiometer (ASTER) is one of five state-of-the-art instrument sensor systems onboard Terra, the first earth observing system (EOS) satellite. ASTER has a unique combination of wide spectral coverage and medium spatial resolution in the visible, near-infrared through shortwave infrared to the thermal infrared regions.

ASTER data contributes to a wide array of global change-related applications including vegetation and ecosystem dynamics, hazard monitoring, geology and soils, land surface climatology, hydrology and land cover change.

Moderate-resolution imagery satellites

The Landsat 1 satellite was launched in 1972 and the most recent, Landsat 7 was launched in 1999. The Landsat Project is the longest running enterprise for acquisition of moderate resolution imagery of the Earth from space.

The first three satellites carried the multispectral scanner (MSS) as the main imaging instrument, with a return beam vidicom (RBV) as a subsidiary. Landsats 4 and 5 had the thematic mapper (TM) as the main sensor, together with an MSS.

Landsat 7 has the new enhanced thematic mapper plus (ETM+) sensor. This sensor has the same seven TM spectral bands as its predecessor, but has an added panchromatic band with 15m resolution and a higher-resolution thermal band of 60m. The ETM+ sensor also has a 5% absolute radiometric calibration.

Wavelength-sensor satellites for monitoring

Landsat TM and ASTER sense in wavelengths, which is useful for the identification of alteration associated with mineralisation. Landsat TM includes a shortwave infrared band in the 2.08nm to 2.35nm range, which can discriminate rock types and map hydrothermal clays, and the visible bands can be used to map iron oxides. ASTER senses in two visible, one near infrared, six shortwave infrared and five thermal infrared bands, allowing discrimination of epithermal clay minerals, iron oxides, silica, carbonate, mafics and propylitic alteration.

High-capacity, panchromatic imaging system

WorldView-1 was launched in September 2007 and is owned and operated by digitalGlobe. The high-capacity, panchromatic (black and white) imaging system features 0.5m resolution imagery. Operating at an altitude of 496km, WorldView-1 has an average revisit time of 1.7 days and is capable of collecting up to 750,000km² per day. The satellite is also equipped with state-of-the-art geolocation accuracy capabilities and exhibits agility with rapid targeting and efficient in-track stereo collection.

High-resolution and precision satellite

GeoEye-1 is a very high-resolution satellite that was launched in 2007 from Vandenberg Airbase, and is owned and operated by GeoEye. It collects image data down to a pixel resolution of 0.41m. This agile satellite can rotate or swivel forward, backward or side-to-side with robotic precision and has a revisit capability of one to three days, depending on latitude.

Press Releases

  • Geoimage Offers Discount on Quickbird Satellite Imagery

    Geoimage is pleased to announce a discounted rate on Quickbird imagery for orders placed before 30 September 2009. The new rates are effectively: 50% off Quickbird archive imagery 25% off Quickbird select tasking 50% off Quickbird select plus tasking

Address
Geoimage Pty Ltd
27a Townshend Road
WA
Subiaco
6008
Other
Australia

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