What is Landsat 8 Oli used for?
What is Landsat 8 Oli used for?
The Operational Land Imager (OLI) and Thermal Infrared Sensor (TIRS) are instruments onboard the Landsat 8 satellite, which was launched in February of 2013. The satellite collects images of the Earth with a 16-day repeat cycle, referenced to the Worldwide Reference System-2.
What are the bands in Landsat 8?
Landsat 8-9 Operational Land Imager (OLI) and Thermal Infrared Sensor (TIRS)
Bands | Wavelength (micrometers) | Resolution (meters) |
---|---|---|
Band 7 – SWIR 2 | 2.11-2.29 | 30 |
Band 8 – Panchromatic | 0.50-0.68 | 15 |
Band 9 – Cirrus | 1.36-1.38 | 30 |
Band 10 – Thermal Infrared (TIRS) 1 | 10.6-11.19 | 100 |
How any bands are there in Landsat 8 images?
On-board Landsat-8, OLI generates 9 spectral bands (Band 1 to 9). Landsat 8 bands from the OLI sensor are coastal, blue, green, red, NIR, SWIR-1, SWIR-2 and cirrus. These 8 bands have a ground resolution of 30 meters. Then, the panchromatic band has a finer resolution of 15 meters.
What is OLI sensor?
OLI is a push-broom sensor with a four-mirror telescope and 12-bit quantization. OLI collects data for visible, near infrared, and short wave infrared spectral bands as well as a panchromatic band. It has a five-year design life.
What is OLI data in remote sensing?
The Operational Land Imager (OLI) is a remote sensing instrument aboard Landsat 8, built by Ball Aerospace & Technologies. Landsat 8 is the successor to Landsat 7 and was launched on February 11, 2013.
What does Landsat 8 measure?
Landsat 8 (formerly the Landsat Data Continuity Mission, LDCM), a collaboration between NASA and the U.S. Geological Survey, provides moderate-resolution (15 m–100 m, depending on spectral frequency) measurements of the Earth’s terrestrial and polar regions in the visible, near-infrared, short wave infrared, and …
What is the pixel size of Landsat 8?
Pixel Size: OLI multispectral bands 1-7,9: 30-meters. OLI panchromatic band 8: 15-meters….Landsat 8 Satellite Sensor Specifications.
Band # and Type | Bandwidth (µm) | Resolution (m) |
---|---|---|
Band 7 SWIR 2 | 2.11 – 2.29 | 30 |
Band 8 Pan | 0.50 – 0.68 | 15 |
Band 9 Cirrus | 1.36 – 1.38 | 30 |
Band 10 TIRS 1 | 10.6 – 11.19 | 30 (100) |
Which bands are most suitable in Landsat 8 satellite image for land use land cover classification?
band 4, 5, 6 is the best three-band combination and band 1, 2, 5, 7 is the best four-band combination which achieved almost identical performance as using all bands for LULC classification.
What sensors does Landsat 8 have?
Landsat 8 carries two sensors. The Operational Land Imager sensor is built by Ball Aerospace & Technologies Corporation. The Thermal Infrared Sensor is built by NASA Goddard Space Flight Center.
Is Landsat 8 passive or active?
passive sensors
Quickbird, WorldView, Landsat and MODIS are all passive sensors that measure only radiation emitted by the Sun and reflected or emitted by the Earth.
What type of satellite is Landsat 8?
American Earth observation satellite
Landsat 8 is an American Earth observation satellite launched on 11 February 2013. It is the eighth satellite in the Landsat program; the seventh to reach orbit successfully.