Scatterometers and altimeters provide a variety of space-based observations that are useful for marine analysis and forecasting as well as other applications. Key among the products are ocean surface winds from scatterometers and significant wave heights from altimeters. This lesson describes the basics of scatterometers and altimeters, including how they work, what they measure, and how scatterometer winds and altimeter significant wave heights are derived. It then discusses some of the challenges in using the estimates, such as dealing with ambiguities and rain contamination. The lesson also provides various opportunities to interpret the data, both in the main sections and the case studies.
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