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SWIR Albedo Mapping of Mars Using Mars Orbiter Mission Data


Affiliations
1 Space Applications Centre, Indian Space Research Organisation, Ahmedabad 380 005, India
 

Global apparent short wave infrared (SWIR) (1.64-1.66 μm) albedo mapping results from data acquired by Methane Sensor for Mars (MSM) onboard Indian Mars Orbiter Mission from October 2014 to February 2015, are presented. Global analysis of low and high albedo patterns is discussed using MSM apparent SWIR albedo map. The occurrence frequency of MSM apparent SWIR albedo shows a clear bimodal behaviour and is in good agreement with OMEGA NIR albedo distribution. Based on MSM apparent SWIR albedo values, three classes (high, intermediate and low albedo values) are defined, which show a clear elevation dependency. Variation of weekly average apparent albedo during the study period over Syrtis Major, Daedalia Planum and Valles Marineris region, respectively, is presented.

Keywords

Albedo, Mars, Methane Sensor for Mars.
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  • SWIR Albedo Mapping of Mars Using Mars Orbiter Mission Data

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Authors

Ramdayal Singh
Space Applications Centre, Indian Space Research Organisation, Ahmedabad 380 005, India
Manoj K. Mishra
Space Applications Centre, Indian Space Research Organisation, Ahmedabad 380 005, India
Prakash Chauhan
Space Applications Centre, Indian Space Research Organisation, Ahmedabad 380 005, India

Abstract


Global apparent short wave infrared (SWIR) (1.64-1.66 μm) albedo mapping results from data acquired by Methane Sensor for Mars (MSM) onboard Indian Mars Orbiter Mission from October 2014 to February 2015, are presented. Global analysis of low and high albedo patterns is discussed using MSM apparent SWIR albedo map. The occurrence frequency of MSM apparent SWIR albedo shows a clear bimodal behaviour and is in good agreement with OMEGA NIR albedo distribution. Based on MSM apparent SWIR albedo values, three classes (high, intermediate and low albedo values) are defined, which show a clear elevation dependency. Variation of weekly average apparent albedo during the study period over Syrtis Major, Daedalia Planum and Valles Marineris region, respectively, is presented.

Keywords


Albedo, Mars, Methane Sensor for Mars.

References





DOI: https://doi.org/10.18520/cs%2Fv113%2Fi01%2F112-116