Lecture 2 - fill in - Lecture 2 Tools for studying Earth as...

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Lecture 2: Tools for studying Earth as a system Reading this week Chapter 1 and 2 from UN Global Outlook for Ice and Snow.
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Learning Outcomes Be able to identify and understand the implications of open and closed systems Identify reservoirs, sources and sinks of a system and make calculations of residence times Identify, construct and interpret simple positive and negative feedback loops
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Systems: Open vs Closed A system = an isolated portion of the universe under consideration (examples -- this room, UCI, the atmosphere, the Earth) The boundaries of the portion define the limits of the system A system is characterized by whether it exchanges energy or mass with surroundings across its boundaries
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