Electronic crosstalk impact assessment in the Terra MODIS mid-wave infrared bands

Truman Wilson; Ashish Shrestha; Xiaoxiong Xiong

doi:10.1117/12.2277953

29 September 2017 Electronic crosstalk impact assessment in the Terra MODIS mid-wave infrared bands

Truman Wilson, Ashish Shrestha, Xiaoxiong Xiong

Proceedings Volume 10423, Sensors, Systems, and Next-Generation Satellites XXI; 104231Z (2017) https://doi.org/10.1117/12.2277953
Event: SPIE Remote Sensing, 2017, Warsaw, Poland

Abstract

The Moderate Resolution Imaging Spectroradiometer (MODIS) on board the Terra spacecraft is one of the key instruments in NASA's Earth Observing System. Since 2000, MODIS has collected continuous data in 36 spectral bands ranging in wavelength between 0.4 μm and 14.2 μm. Since before launch, signal contamination in the form of electronic crosstalk has been observed in many of the MODIS thermal emissive bands, particularly for bands 27-30, a correction for which has been applied to the current Collection 6 algorithm. The mid-wave infrared bands in Terra MODIS, 20-25, also show signs of electronic crosstalk contamination, which can be seen clearly during observations of the Moon. In this paper, we'll present an impact assessment of electronic crosstalk on the mid-wave infrared bands in Terra MODIS. We will also derive correction coefficients from the lunar observations, which can be applied to correct the calibrated radiance in the MODIS Level-1B product. We will provide an analysis of these results and potential improvements to the MODIS Level-1B product.

Citation Download Citation

Truman Wilson, Ashish Shrestha, and Xiaoxiong Xiong "Electronic crosstalk impact assessment in the Terra MODIS mid-wave infrared bands", Proc. SPIE 10423, Sensors, Systems, and Next-Generation Satellites XXI, 104231Z (29 September 2017); https://doi.org/10.1117/12.2277953

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