Students observe images of daily average sea surface temperatures taken during 2017, as they analyze the plots for evidence of changes that are occurring throughout the year.
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Analyze these satellite images comparing Ocean Chlorophyll Concentrations with Sea Surface Temperatures beginning with the North Atlantic region, then expanding global patterns of these phenomena. Credit: NASA Earth Observatory
The world's ocean is heated at the surface by the sun, and this heating is uneven for many reasons. Earth's rotation, revolution around the sun, and tilt all play a role, as do the wind-driven ocean surface currents.This animation shows the long-term average sea surface temperature, with red and yellow depicting warmer waters and blue depicting colder waters.
Information from satellites if often used to display information about objects. This information can include how things appear, as well as their contents. Explore how pixel data sequences can be used to create an image and interpret it.
Scientific data are often represented by assigning ranges of numbers to specific colors. The colors are then used to make false color images which allow us to see patterns more easily. Students will make a false-color image using a set of numbers.
The Earth's system exemplifies stability and change. Change and rates of change can be observed and quantified over very short or long periods of time and various spatial scales (e.g., from landscape level to global processes).
This NASA visualization shows sea surface salinity observations (September 2011-September 2014). Students review the video and answer questions.
Review this animation showing monthly average wind speed at 10 meters above the ocean surface for our global ocean (meters per second) in 2017-2018. This animation was created using the My NASA Data Earth System Data Explorer. For more information about how to create your own animation, see links at the bottom of this page.
Students will investigate the differences in sea surface height during an El Niño event by creating a model with gelatin, sherbet and whipped creme.
Students will read an article and/or watch a video clip about the effects of El Niño. They will then answer questions about the phenomenon and its effects on global health.