Articles | Volume 12, issue 9
Atmos. Meas. Tech., 12, 4983–4992, 2019
https://doi.org/10.5194/amt-12-4983-2019
Atmos. Meas. Tech., 12, 4983–4992, 2019
https://doi.org/10.5194/amt-12-4983-2019

Research article 16 Sep 2019

Research article | 16 Sep 2019

A study of a two-dimensional scanned lunar image for Advanced Technology Microwave Sounder (ATMS) geometric calibration

Jun Zhou and Hu Yang

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Latest update: 02 Dec 2021
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Short summary
Evaluating the on-orbit geolocation accuracy of the ATMS is of great importance. The widely used Earth-target-dependent methods are crippled by the strong atmospheric absorption at sounding channels and cloud contamination at window channels. To solve these issues, this study developed a geolocation evaluation algorithm based on a unique 2-D lunar scan dataset captured by the ATMS during a NOAA-20 pitch-over maneuver operation. The results are validated by the coastline inflection point method.