Evaluating a Special Lunar TIR Cold Anomaly Using CE-2 CELMS Data.

The cold anomaly represents the special thermophysical features of the lunar regolith, which is only studied with the LRO Diviner thermal infrared (TIR) data. In this paper, sampled a typical TIR cold anomaly, the China Chang' E-2 lunar microwave radiometer data are employed to evaluate the regolith thermophysical features in microwave domain. The results indicate that the special material only exists in the shallow layer, and the thickness is larger than 31 cm but less than 77 cm. Moreover, the special material presents a high correlation with the rocks in the microwave domain, opposite to the findings from Diviner TIR data.