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February 23-25, 2009* Biosphere 2, Oracle AZ - University of Arizona

February 23-25, 2009* Biosphere 2, Oracle AZ - University of Arizona-2025

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The document outlines a workshop sponsored by the 4-H STEM Working Group, taking place from February 23-25, 2009, at Biosphere 2 in Oracle, AZ. The workshop focuses on the Terrapod program, which teaches pre-teens and teens science, engineering, and technology skills through film-making. Participants will learn to create original science or nature films while engaging with peers and experts. The workshop is limited to 24 participants, costs $100 for registration including meals, and offers optional lessons on technology applications. Lodging is available at an additional cost.

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What happened to the water that was trapped in Biosphere 2?

A fast pool, or 60% of the available water used daily in Biosphere 2, is recycled within a month through the air-handlers condensation system, as a consequence of plant and soil evapotranspiration; a medium pool, or 30% of available water, moves through the soil profile as drainage and is recycled within a year;

How did the people in Biosphere 2 obtain clean drinking water?

Key technologies included condensation from humidity in the airhandlers and from the glass spaceframe to produce high quality freshwater, purification of nutrients from ocean waters with first algae mats and then protein skimmers, wastewater treatment with constructed wetlands and desalination through reverse osmosis

What was the major point learned in the 1991 Biosphere 2 experiment?

Biosphere 2, the greatest experiment ever conducted in ecological self-organization, revolutionized the field of experimental ecology. We proved that a sealed ecosystem can work for years, a lesson Mars colony planners can build on. We learned lessons to help keep stressed reefs alive and how to protect rainforests.

Why did Biosphere 2 fail in Arizona?

A vast majority of Biosphere II was built out of concrete, which contains calcium hydroxide. Instead of being consumed by the plants to produce more oxygen, the excess carbon dioxide was reacting with calcium hydroxide in the concrete walls to form calcium carbonate and water.

What happened in the Biosphere 2 experiment?

The release rate of that soil carbon as carbon dioxide by respiration of soil microbes was an unknown that the Biosphere 2 experiment was designed to reveal. Subsequent research showed that Biosphere 2s farm soils had docHubed a more stable ratio of carbon and nitrogen, lowering the rate of CO 2 release, by 1998.

What is the story of Biosphere 2?

It remains the largest closed ecological system ever created. Constructed between 1987 and 1991, Biosphere 2 was originally meant to demonstrate the viability of closed ecological systems to support and maintain human life in outer space as a substitute for Earths biosphere.

February 23-25, 2009* Biosphere 2, Oracle AZ - University of Arizona-2025

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