Four-month Moon and Mars crew water utilization study conducted at the Flashline Mars Arctic Research Station,Devon Island,Nunavut |
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| Authors: | M Bamsey A Berinstain S Auclair M Battler K Binsted K Bywaters J Harris R Kobrick C McKay |
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| Institution: | 1. University of Guelph, Department of Environmental Biology, 50 Stone Road East, Guelph, Ont., Canada N1G 2W1;2. Canadian Space Agency, Space Science, 6767 route de l’aeroport, Longueuil, Que., Canada J3Y 8Y9;3. University of Western Ontario, Department of Earth Sciences, London, Ont., Canada N6A 5B7;4. University of Hawaii, UH-NASA Astrobiology Institute, Information and Computer Sciences Department, Honolulu, HI 96744, USA;5. California State University San Marcos, 333 S. Twin Oaks Valley Rd., San Marcos, CA 92096, USA;6. Austin Community College, Department of Computer Information Systems, 11928 Stonehollow Dr., Austin, TX 78724, USA;g University of Colorado at Boulder, Aerospace Engineering Sciences Department, Boulder, CO 80303, USA;h NASA Ames Research Center, Space Science Division, Moffett Field, CA 94035, USA |
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| Abstract: | A categorized water usage study was undertaken at the Flashline Mars Arctic Research Station on Devon Island, Nunavut in the High Canadian Arctic. This study was conducted as part of a long duration four-month Mars mission simulation during the summer of 2007. The study determined that the crew of seven averaged 82.07 L/day over the expedition (standard deviation 22.58 L/day). The study also incorporated a Mars Time Study phase which determined that an average of 12.12 L/sol of water was required for each crewmember. Drinking, food preparation, hand/face, oral, dish wash, clothes wash, shower, shaving, cleaning, engineering, science, plant growth and medical water were each individually monitored throughout the detailed study phases. It was determined that implementing the monitoring program itself resulted in an approximate water savings of 1.5 L/day per crewmember. The seven person crew averaged 202 distinct water draws a day (standard deviation 34) with high water use periods focusing around meal times. No statistically significant correlation was established between total water use and EVA or exercise duration. Study results suggest that current crew water utilization estimates for long duration planetary surface stays are more than two times greater than that required. |
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| Keywords: | Space analogue studies Space life support Water utilization Moon/Mars exploration |
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