Abstract
Lunar surface temperature (LST) is important for both uncovering the thermal environment and evolution and planning lunar robotic and human exploration such as exploring water/ice. Therefore, an LST calculation method is proposed in this letter for the preparation of the LST database, with an improved effective solar irradiance model, including the topographic effect. As an example, the global LST map with the spatial resolution of 1° is shown, based on the topography and albedo data and retrieved parameters from in situ experiments. The topographic signatures can be identified in the map, including the boundaries between mare and highlands and the contours of craters. The good agreements of the global moon between the simulated temperature and the bolometric brightness temperature by the Diviner Lunar Radiometer Experiment (DLRE) demonstrate the validity of our model and the credibility of the simulated global LST map. The better fitness with the DLRE data produced by our physical model than that by the analytic model proves the advantage of our method.
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