JpGU-AGU Joint Meeting 2020

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[E] Oral

A (Atmospheric and Hydrospheric Sciences ) » A-OS Ocean Sciences & Ocean Environment

[A-OS25] Continental-Oceanic Mutual Interaction: Planetary scale Material Circulation

convener:Yosuke Alexandre Yamashiki(Earth & Planetary Water Resources Assessment Laboratory Graduate School of Advanced Integrated Studies in Human Survivability Kyoto University), Yukio Masumoto(Graduate School of Science, The University of Tokyo), Swadhin Behera(Climate Variation Predictability and Applicability Research Group, Application Laboratory, JAMSTEC, 3173-25 Showa-machi, Yokohama 236-0001), Takanori Sasaki(Department of Astronomy, Kyoto University)

[AOS25-04] Plant culture system as a water recycling device in space farming

*Kitaya Yoshiaki1 (1.Graduate School of Life and Environmental Sciences, Osaka Prefecture University )

Keywords:Controlled Ecological Life Support System, Water recycling, Sweet potato

Plant growth in space has recently been of greater concern as the possibility of realizing manned space activity over a long duration increases. The feasibility of achieving long-duration manned space missions for moon and other planets will be highly dependent on plants in space farming within Controlled Ecological Life Support Systems. Plants will play important roles in food production, CO2/O2 conversion and water purification. In this study, I focused on the capabilities of water purification and water recycling, and also food production and CO2/O2 conversion in plant culture systems for future long-term manned space activities. As the result of a quantitative study, it was shown that 54 m2 sweet potato culture area can supply food and oxygen necessary for securing one person and also180 L of clean water per day.