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21.

Heard Island Test and Climate Change, the

Renowned oceanographer and geophysicist Walter Munk talks about efforts to measure ocean warming through sound in a test done near Heard Island, an area considered unique because sound emanating from that point can theoretically reach every ocean basin on Earth.
Online
2015; 2011
22.

Using Sound to Measure Ocean Warming

Renowned oceanographer and geophysicist Walter Munk talks about efforts to measure ocean warming through the use of sound--a process known as dark acoustic thermometry. Professor Munk notes that since the speed of sound increases in the ocean with temperature, the time it takes for a pulse to cross a body of water should diminish as the water gets warmer.
Online
2015; 2011
23.

Wave Prediction and the Normandy Invasion

Renowned oceanographer and geophysicist Walter Munk talks about the role wave prediction played in the planning of the Normandy Invasion during World War II. He recalls that the invasion was actually postponed one day because of predictions of unfavorable wave conditions.
Online
2015; 2011
24.

Measuring Salinity: Module 6, Part 2

Professor Trujillo demonstrates the process of sea water salinity measurement.
Online
2018; 2010
25.

Marine Animals and Sound

Renowned oceanographer and geophysicist Walter Munk talks about the use of sound by marine animals. Professor Monk observes that while scientists don't fully understand all the ways marine animals use sound, it is generally believed that animals in the marine environment probably use sound to search for food and mates, as well during the navigation process.
Online
2015; 2011
26.

Calcite Compensation Depth: Module 5

Professor Trujillo demonstrates the properties of the Calcite Compensation Depth (CCD).
Online
2018; 2010
27.

Seafloor Spreading and Plate Tectonics (Part One)

Geophysicist and geologist Tanya Atwater talks about the role of seafloor spreading and spreading centers in the plate tectonics process.
Online
2015; 2011
28.

Introduction

Professor Trujillo gives an overview of the Oceanography course and its various components.
Online
2018; 2010
29.

Temperature and the Velocity of Sound

Renowned oceanographer and geophysicist Walter Munk talks about the relationship between temperature and the velocity of sound, observing that velocity increases with temperature. Because temperature generally increases anywhere from ten to twenty degrees moving up from one kilometer to the surface, so, too, does the speed of sound generally increase closer to the surface.
Online
2015; 2011
30.

Global Warming and Sea Level Change

Renowned oceanographer and geophysicist Walter Munk talks about the relationship between global warming and sea level change. Professor Munk points out that, contrary to popular belief, the melting of floating ice does not change sea level. It is the melting of land-based ice masses that contributes to a rise in sea level.
Online
2015; 2011
31.

Naturalist

Professor Trujillo interviews an oceanographic naturalist.
Online
2018; 2010
32.

Tidepools Introduction

Professor Trujillo introduces viewers to the intertidal zone at a San Diego beach.
Online
2018; 2010
33.

Whale Food

Professor Trujillo discusses two of the things that gray whales eat: krill and amphipods.
Online
2018; 2010
34.

Ocean Water Density: Module 7, Part 1

Professor Trujillo demonstrates the properties of ocean water density.
Online
2018; 2010
35.

Density Stratification: Module 1, Part 2

Professor Trujillo discusses and demonstrates the principle of density stratification.
Online
2018; 2010
36.

Rip Currents

Prfessor Trujillo discusses the formation and operational mechanics of rip currents.
Online
2018; 2010
37.

Summer/Winter Tides

This video shows the unique characteristics of summer and winter tides at a San Diego beach.
Online
2018; 2010
38.

Lobster

While exploring the intertidal zone at a San Diego beach, Professor Trujillo focuses on the lobster.
Online
2018; 2010
39.

Heat Capacity

Professor Trujillo demonstrates the property of Heat Capacity and the different abilities of water and air to absorb heat.
Online
2018; 2010
40.

Bat Star

While exploring the intertidal zone at a San Diego beach, Professor Trujillo focuses on the bat star.
Online
2018; 2010