"Version: 20221201"--Title page verso.Includes bibliographical references.1. Observing the cryosphere -- 1.1. Components of the cryosphere -- 1.2. Importance of cryospheric knowledge -- 1.3. Techniques for observing changes -- 1.4. Deposition climate records -- 1.5. Climate tipping points and the high latitudes2. Basic physics -- 2.1. Thermodynamics of the cryosphere -- 2.2. Conservation equati…