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With Landsat 5 retiring in early 2013, leaving Landsat 7 as the only on-orbit Landsat program satellite, Landsat 8 ensures the continued acquisition and availability of Landsat data utilizing a two-sensor payload, the Operational Land Imager (OLI) and the Thermal InfraRed Sensor (TIRS). Respectively, these two instruments collect image data for ...
Landsat 8 has two sensors with its payload, the Operational Land Imager (OLI) and the Thermal InfraRed Sensor (TIRS). [16] Landsat 9: 27 September 2021: active: 3 years, 4 months and 15 days: Landsat 9 is a rebuild of its predecessor Landsat 8. [17] [18]
OLI operates alongside TIRS (Thermal Infrared Sensor) on board the LDCM. [2] The build and design of OLI differs from previous generations of instruments, while still maintaining data continuity with archived Landsat data from the last 40 years by keeping the same spectral and spatial resolutions of previous instruments.
Follow on to Landsat-7 with improved imager OLI and thermal sensor TIRS. Landsat-9: Active NASA and USGS 2021 Follow on to Landsat-8 with OLI sensor and thermal sensor TIRS-2. Landsat-9 will extend the Landsat program to maintain the time series of these type of data. Megha-Tropiques: Active CNES and ISRO: 2011 Meteor-M No. 1 and 2: Active ...
The Multispectral Scanner (MSS) is one of the Earth's observing sensors introduced in the Landsat program. A Multispectral Scanner was placed aboard each of the first five Landsat satellites. [1] The scanner was designed at Hughes Aerospace by Virginia Norwood. Her design called for a six band scanner, but the first one launched had only four ...
Lastly, low, positive values represent shrub and grassland (approximately 0.2 0.4), while high values indicate temperate and tropical rainforests (values approaching 1). The normalized difference vegetation index (NDVI) is a widely-used metric for quantifying the health and density of vegetation using sensor data. It is calculated from ...
The spectral vision allows identification of rock attributes for surficial mapping. [3] The resolution however controls the accuracy. There is a trade-off between spatial resolution and spectral resolution. [7] Since the intensity of incident ray is fixed, for a higher spectral resolution, it is expected to have a lower spatial resolution (one ...
SPOT 1, 2, and 3 High Resolution Visible (HRV) sensors and Spot 4 and 5 High Resolution Visible Infrared (HRVIR) and vegetation sensor; Indian Remote Sensing System Linear Imaging Self-scanning Sensor (LISS) Space Imaging, Inc. Digital Globe, Inc. ORBIMAGE, Inc. ImageSat International, Inc.