Technical review of the Laboratory Biosphere closed ecological system facility

摘要: Laboratory Biosphere is a 40 m3 closed life system that commenced operation in May 2002. Light from 12,000 W of high pressure sodium lamps over planting beds with 5.37 m2 soil. Water 100% recycled by collecting condensate the temperature and humidity control mixing leachate collected under beds. Atmospheric leakage was estimated during first closure experiment to be 0.5-1% per day general plus about 1% for each usage airlock door. The trial run 94 days soybean crop grown seeds (May 17, 2002) harvest (August 14, 5 post-harvest closure. focus this initial testing confirm functionality identify any necessary modifications or improvements. This paper describes organizational physical features Biosphere.