Abstract
This paper presents the vicarious calibration results of Landsat 8 OLI that were obtained using the reflectance-based approach at test sites in Nevada, California, Arizona, and South Dakota, USA. Additional data were obtained using the Radiometric Calibration Test Site, which is a suite of instruments located at Railroad Valley, Nevada, USA. The results for the top-of-atmosphere spectral radiance show an average difference of −2.7, −0.8, 1.5, 2.0, 0.0, 3.6, 5.8, and 0.7% in OLI bands 1–8 as compared to an average of all of the ground-based measurements. The top-of-atmosphere spectral reflectance shows an average difference of 1.6, 1.3, 2.0, 1.9, 0.9, 2.1, 3.1, and 2.1% from the ground-based measurements. Except for OLI band 7, the spectral radiance results are generally within ±5% of the design specifications, and the reflectance results are generally within ±3% of the design specifications. The results from the data collected during the tandem Landsat 7 and 8 flight in March 2013 indicate that ETM+ and OLI agree to each other to within ±2% in similar bands in top-of-atmosphere spectral radiance, and to within ±4% in top-of-atmosphere spectral reflectance.
Highlights
The Landsat Data Continuity Mission (LDCM) was launched on 11 February 2013 from VandenbergAir Force Base, and it was renamed Landsat 8 after the transition from the National Aeronautics andSpace Administration (NASA) to the United States Geological Survey (USGS)
Where Measured are the ground-based data. In both the TOA spectral radiance and reflectance cases, the results from both the desert sites and vegetated site agree with Operational Land Imager (OLI) to within the uncertainties of the methods, which are on the order of 2.5%–3.0%
The results from an extensive campaign of ground-based field measurements during the first year of operation have indicated that the Landsat 8 OLI instrument is performing well, and it has remained stable throughout this period
Summary
The Landsat Data Continuity Mission (LDCM) was launched on 11 February 2013 from VandenbergAir Force Base, and it was renamed Landsat 8 after the transition from the National Aeronautics andSpace Administration (NASA) to the United States Geological Survey (USGS). The platform contains two instruments: the Operational Land Imager (OLI), and the Thermal Infrared Sensor (TIRS), which complement one another in spectral coverage. OLI is a visible and near infrared (VNIR) multispectral sensor that operates from 400–2500 nm, and TIRS is a two-band thermal sensor that operates from. The VNIR bands retain many of the characteristics of previous Landsat sensors such as a 185-km swath width, a 30-m ground instantaneous field of view (GIFOV) for the multispectral bands, and a 15-m GIFOV for the panchromatic band (Table 1). One prominent change was the transition from a whiskbroom configuration (ETM+) to a pushbroom configuration, which was successfully demonstrated by the Earth Observing One (EO-1) Advanced Land Imager (ALI) [3,4]. The pushbroom configuration allows OLI to have a signal-to-noise ratio (SNR) that is eight times greater than ETM+
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
