ENVS 2270 Lecture Notes - Lecture 3: Sea Surface Temperature, Radiosonde, Thermohaline Circulation
21 Oct 2017
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Document Summary
Examine and describe the evidence that humans are the cause of the climate change. Examine and describe some of the tools that can be used to interpret ancient climate. Explain the orbital cycles that control earth"s climate. Assess the evidence that earth"s climate is not driven solely by orbital cycles. Describe positive and negative climate feedback and give examples of each. Explain how climate feedbacks can influence the earth"s climate. Figure 3. 1: measured global average temperatures since the beginning of temperature records. (note: the 3 different lines just indicate temperature records collected and analyzed by 3 different groups (for example giss = goddard institute of space studies) Anomaly --> difference from measured reference temp (baseline) Scientists divide earth"s surface into grid cells (e. g. 5*5) Obtain temp measurements in each grid box and calculate average. stack or add these averages and correct for earth"s geometry. Most temperature measuring stations are located around largely populated areas.
