Oceanography: Exploring Earth's Final Wilderness

Course No. 1730
Professor Harold J. Tobin, Ph.D.
University of Wisconsin, Madison
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Course No. 1730
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Course Overview

Earth's ocean is a source of wonder, delight, sustenance, economic benefit, and awe in the face of its overwhelming mystery and power. It dominates the natural world in ways that scientists are only now beginning to understand. And although we call our home planet Earth, it would be more accurate to name it Ocean, since 71% of the globe is covered with water, and beneath the waves churn forces that make our world unique in the solar system:

  • Along mid-ocean ridges, lava flows from Earth's interior, forming new oceanic crust and driving the formation and movement of continents via the crucial process of plate tectonics.
  • The ocean's tremendous mass and thermal inertia serve as a climate control thermostat, moderating temperatures and making the planet habitable.
  • Life began in the ocean and was exclusively marine for billions of years; we owe our oxygen-rich atmosphere to the photosynthetic activity of oceanic organisms.

But for all its importance, the ocean hides its secrets, and it is only with the advent of new sounding and sampling techniques, satellite sensors, and deep sea submersibles that its riddles are being solved, shedding light on a domain that is breathtaking in its complexity and beauty.

Oceanography: Exploring Earth's Final Wilderness takes you on a scientific expedition to fathom the ocean's mysteries in 36 intensively illustrated half-hour lectures delivered by ocean scientist and Professor Harold J. Tobin of the University of Wisconsin–Madison, a researcher who has visited and mapped landscapes on the seabed that no human eyes had ever seen before.

Oceanography encompasses a wide range of fields, from biology and ecology, to geology, meteorology, chemistry, physics, and ocean engineering. No background in science is needed to follow these lectures, which provide a thorough appreciation for the ocean as a system that is arguably more intricate and fascinating than the continents, not least because it is a world that is fully three-dimensional, from the tidal zone to the deepest point on the ocean floor.

Piecing Together the Puzzle of the Ocean

Professor Tobin compares the exciting discoveries in oceanography in the past half-century to the exploration of a previously unknown planet. Scientists have been amazed again and again at what they've learned about the world beneath the waves. In these compelling lectures, you relive those discoveries, assembling the many pieces of the puzzle to gain a comprehensive picture of how the ocean works and how it affects the atmosphere, continents, and the web of life.

Among the discoveries you learn about are these:

  • New crust: Geologists once assumed that the ocean was a catch basin for sediments accumulating almost since Earth began. Instead, the seafloor is in a continual process of renewal and has the youngest rocks on the planet, far younger than rocks on land or even the water in the ocean itself.
  • Alien-like organisms: Biologists long believed that life could not exist at great depths. But not only does it exist, it flourishes in the utter darkness, cold, and high pressure of the deep sea in fantastic forms fit for a science fiction movie.
  • Living off Earth: Until recently, all life on Earth could be traced to photosynthetic processes drawing energy from the sun. But that was before the discovery of deep sea thermal vents, where organisms thrive on the primordial energy of the planet.
  • Rogue waves: Accounts of 100-foot-high "rogue" waves in the open ocean were long dismissed as physically impossible sailors' yarns. However, satellite and other measurements show that they occur and account for many ships that go missing.

Above all, you will learn to see the ocean as a single entity of striking complexity. Despite the names we have assigned to different regions of the ocean—Atlantic, Pacific, Indian, Arctic—they are all one continuous body of water, dominating the planet with features such as mid-ocean ridges that encircle the globe like the seams on a baseball.

A Story of Pure Exploration

The ocean is a huge subject, and you begin Oceanography by taking stock of the vast scope of the discipline. "This story is one of pure exploration," says Professor Tobin, and he approaches it by breaking the field down into its most important themes. First, he reviews the history of ocean exploration, before moving on to the topography of the seabed and how it is mapped. Diving deeper, he covers

  • the variety of habitats for ocean organisms;
  • the role of plate tectonics in creating and destroying the seafloor;
  • the origins of the ocean and life;
  • the sediments on the seabed and the conditions that produce oil and gas;
  • the reason that the sea is salty and why it isn't getting saltier.

Then he spends a lecture on water itself, investigating the special properties that make it indispensible to life. He continues with

  • the origins of waves and tides;
  • the diversity of marine life, from the ocean air to the deepest ocean trench;
  • the forces that shape coastlines;
  • the nature of bottom life, from tide pools to the deep sea;
  • and the links between weather, climate, and the ocean environment.
  • Professor Tobin closes the course with a glimpse into the future of the ocean and humanity's role in defining that destiny.

    The Ocean in Your Life

    Whether you live far from the coast or right on the water, the ocean touches on countless aspects of your life, from the climate to the oxygen-producing activity of ocean organisms to the many products that come to you by sea. The ocean's relevance also shows up in news stories about overfishing, ocean dumping, and other environmental issues, as well as in accounts of disasters such as the following, which Oceanography covers in detail:

    • Japanese tsunami: The devastating tsunami that engulfed coastal Japan in 2011 was set in motion by a gigantic undersea earthquake along a subduction zone, where the ocean floor is plunging beneath the rocks of the continent.
    • Gulf of Mexico oil spill: The Deepwater Horizon blowout in 2010 caused the largest uncontrolled release of oil and natural gas into the ocean ever recorded. You look at the expected—and unexpected—repercussions on marine life.
    • Hurricane Katrina: Unusually warm water in the Gulf of Mexico in the summer of 2005 turned an average hurricane into a category 5 monster. You investigate the ocean conditions that spawn hurricanes and the surprising power of their storm surges.
    • El Niño: Every few years the global climate enters a period of more extreme weather, when the Pacific trade winds slacken and the sea surface temperatures rise off the coast of Peru. You investigate the resulting cascade of effects, known as El Niño.

    Enrich Your Understanding of the Ocean World

    Oceanography is one of the most exciting areas in science, combining the thrill of exploring an otherworldly realm with the insights it gives into how the Earth works in all of its domains. Having spent nearly a year-and-a-half of his life cumulatively at sea on research expeditions, Professor Tobin is not only an expert on the subject but an eyewitness to the many wonders he describes.

    After taking this course, says Professor Tobin, you will gain "an appreciation for the complexity and richness of the ocean environment"—a world of organisms that have evolved to live in every conceivable niche in the sea, of ceaseless volcanic activity that is hidden beneath miles of water, of tides and currents that girdle the globe, and of other fascinating phenomena that make the ocean the most dynamic part of the planet.

    Next time you go to the beach, spend time on a sailboat, take a cruise, or even read a book or watch a movie or nature program about the sea, you will think of the expanse of blue water in a new way, with an enriched understanding of the ocean world.

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36 lectures
 |  Average 32 minutes each
  • 1
    Diving In—The Ocean Adventure
    Begin your study of the ocean from every angle, examining Earth's watery realm in light of geology, biology, chemistry, meteorology, and other fields. In this lecture, survey the extent of the ocean and the approaches that oceanographers take to understanding it. x
  • 2
    Explorers, Navigators, Pioneering Scientists
    The early explorers of the ocean were interested in charting its islands, dimensions, and resources—and in using it as a highway for trade. Relive the exploits of these mariners, who included Europeans, Chinese, and Polynesians. Only later did scientific exploration of the ocean begin. x
  • 3
    Ocean Basics and Ocean Basins
    As recently as the 1950s, geologists envisioned the ocean basins as a submerged version of the continents. Explore the topography of the seabed, discovering that it is shaped by geological forces fundamentally different from those on land. x
  • 4
    Mapping the Sea—Soundings to Satellites
    The ocean floor was once as mysterious as the surface of another planet. Investigate the technologies involved in measuring bathymetry, the undersea counterpart of topography. Weighted ropes and cables for gauging the depth of the sea have given way to sophisticated sonar from ships and radar from satellites. x
  • 5
    Habitats—Sunlit Shelves to the Dark Abyss
    Take a tour of organisms that live from the shallows to the ocean floor. Learn how to classify ocean zones, and discover the importance of temperature, chemistry, nutrients, light, and other factors for different life forms—from active swimmers to passive floaters and bottom dwellers. x
  • 6
    The Spreading Sea Floor and Mid-Ocean Ridges
    What made the ocean floor the way it is? Trace the evidence that ocean basins are geologically young and that new oceanic crust is being continually formed at mid-ocean ridges, pushing and rifting continental plates in a process called plate tectonics. x
  • 7
    The Plunging Sea Floor and Deep-Sea Trenches
    Investigate subduction zones, where oceanic crust plunges beneath an overriding tectonic plate. These margins are associated with deep-sea trenches, earthquakes, tsunamis, and volcanoes. Examine other features, such as hotspots, which are a mid-plate phenomenon that includes the Hawaiian Islands chain. x
  • 8
    The Formation of the Earth and Its Ocean
    Cover 9 billion years of cosmic history—from the big bang, to the accretion of the sun and planets, to the formation of Earth's oceans 4 billion years ago. The water in the oceans came from water vapor in volcanic eruptions and possibly from comet impacts. x
  • 9
    The Early Ocean and the Origins of Life
    Explore scenarios for the origin of life, which may have begun around deep-sea hot springs. The oceans have maintained roughly the same conditions over the entire history of life on Earth, even though the sea floor has renewed itself many times over through plate tectonics. x
  • 10
    Marine Sediments—Archives of the Ocean
    Ocean sediments are like tree rings that can be "read" as a history of the ocean and climate through time. Investigate the different sources of sediments, which range from products of erosion on land, to the remains of sea creatures, to ejecta from asteroid impacts. x
  • 11
    Offshore Oil and Gas—Resources and Risks
    Learn the origin of petroleum and natural gas deposits, which formed under very specific conditions in marine sediments. As an example of the challenges of oil recovery, survey the technology of deep-water drilling, focusing on the disastrous blow-out in the Gulf of Mexico in 2010. x
  • 12
    The Enduring Chemistry of Seawater
    Why is the sea salty? Why isn't it getting saltier? Probe these and other mysteries of ocean chemistry, looking at the remarkable stability and uniformity of seawater over time. Also study the role of water and the conjectured role of life in driving plate tectonics. x
  • 13
    How the Physics of Water Controls the Ocean
    Analyze the surprising properties that keep the ocean liquid and make water the defining physical substance for life. Among them is its ability to retain heat, which has kept Earth in a narrow temperature range hospitable to life for billions of years. Also investigate the propagation of light in water and why the ocean is blue. x
  • 14
    Waves—Motion in the Ocean
    Chart the dynamics of wind-generated waves, which include almost all ocean waves. See how they form, grow in size, travel for thousands of miles, and then break on shore. The big waves preferred by surfers come from remote regions that have the ocean's stormiest weather. x
  • 15
    Rogue Waves and Tsunami
    Long considered a mariners' tall tale, abnormally high "rogue" waves are now well documented. Understand the physics of why they form and the yearly toll they take on shipping. Then study tsunami, or seismic sea waves, which are generated when undersea earthquakes displace huge volumes of water, often with catastrophic results. x
  • 16
    Tides in Theory and Practice
    Tides are caused by the gravitational attraction of the moon and, to a lesser extent, the sun. Learn that the timing and height of tides are far more complex than the daily motions of the moon and sun suggest—due to the influences of coastal features, the Coriolis effect, and other factors. x
  • 17
    Marine Life, Energy, and Food Webs
    Trace the path of energy and food through oceanic ecosystems, which have a far higher turnover of biomass than the terrestrial equivalents. As a result, most of what grows in the oceans is very quickly consumed. Learn why warm, temperate seas are often nutrient-poor compared with polar waters. x
  • 18
    Tiny Plankton—The Most Abundant Life on Earth
    Survey some of the many species of plankton, which are passive, floating, and drifting organisms. Microscopic plankton are ubiquitous throughout the oceans and represent all three of the basic biological domains: Archaea, Bacteria, and Eukarya. x
  • 19
    Soft-Bodied Life in the Dark, Open Depths
    Investigate the soft-bodied organisms that live at great depths and have no skeletons or shells. Little known until recently, this group includes a variety of creatures whose amorphous bodies are often destroyed by nets and who only came to light through studies from submersibles. x
  • 20
    Swimming—The Many Fish in the Sea
    Contrasting with free-floating plankton, nekton are the ocean's swimmers. In this lecture, study the most numerous nekton—fish—focusing on their streamlining, gills, schooling, and other adaptations. Also, examine mollusks, including the octopus, squid, and nautilus. x
  • 21
    Marine Birds, Reptiles, and Mammals
    Turn to the nekton among birds, reptiles, and mammals. These feature some of the most magnificent creatures on the planet, including albatrosses, Sooty Shearwaters, sea turtles, manatees, seals, sea lions, whales, and dolphins. Focus on the adaptations that allow them to thrive in marine environments. x
  • 22
    Whaling, Fisheries, and Farming the Ocean
    Examine the economic exploitation of marine life, beginning with the history of whaling and continuing to the present, when fishing is the only significant source of hunted food. Weigh the alternatives of commercial fishing and mariculture in an era of rapidly declining fish populations. x
  • 23
    Where Sea Meets the Land and Why Coasts Vary
    Have you ever walked along a beach or stood on a high cliff overlooking the sea and wondered how the land got to be that way? Learn how erosion, deposition, sea-level change, plate tectonics, and other factors have produced the characteristic coastlines of the world. x
  • 24
    Where Rivers Meet the Sea—Estuaries and Deltas
    River mouths, deltas, tidal inlets, fjords, and enclosed bays are places where freshwater and seawater mix. Explore these complex zones, which are among the most biologically productive ecosystems on Earth. Many marine organisms carry out key parts of their lifecycles in such environments. x
  • 25
    Coastal Erosion—Beaches and Sea Cliffs
    Coastlines are constantly changing features. Examine what happens when structures are built to halt or reverse the change, especially at a time when sea level is rising. Most human-engineered solutions turn out to be short-term at best, and many have unintended consequences. x
  • 26
    Tidal Life, Sea Forests, and Coral Reefs
    Begin your survey of the organisms and ecosystems that flourish in the most complex and varied part of the ocean: the benthic zone, or sea bottom. Start in the shallows, where life inhabits a wide range of niches—from the crashing waves of tide pools to placid mudflats. x
  • 27
    Deep Bottom Life and Hydrothermal Vents
    Continue your investigation of the benthic zone by exploring the deep ocean bottom, where astonishing diversity exists in cold, darkness, and high pressure. Your tour includes sea cucumbers, brittle stars, herds of sea pigs, and the unique community around deep sea vents, which extracts energy from the Earth itself. x
  • 28
    Trade Winds—The Circulation of Heat and Wind
    Explore another ocean—the ocean of air—which interacts with Earth's seas through the force of wind on water. Investigate the cause of wind patterns such as the trade winds, westerlies, and polar easterlies. Two crucial factors are uneven distribution of heat and the Coriolis effect due to Earth's rotation. x
  • 29
    Heavy Weather—Storms and Hurricanes
    Gain insight into the world's largest storms by looking at the interaction of ocean, atmosphere, and land, and how it produces nor'easters, monsoons, and hurricanes. Focus on the life cycle of hurricanes—how they form, intensify, and often produce devastating storm surges, as happened during Hurricane Katrina. x
  • 30
    The Gulf Stream to Gyres—Vast Surface Currents
    Follow the chain of events that initiate surface currents in the ocean. Big currents such as the Gulf Stream are caused mainly by wind friction. The mapping of currents has been aided by incidents such as the accidental spill of thousands of floating bath toys in the Pacific in 1992. x
  • 31
    Upwelling, Downwelling, and El Niño
    Winds drive surface currents, and together wind and currents set in motion large-scale upwelling and downwelling. Study these patterns and the disturbances that lead to El Niño and La Niña cycles, which cause major disruptions in fisheries and weather. x
  • 32
    The Deepest, Slowest River—Polar Bottom Water
    While surface currents move a typical water molecule around an ocean basin in a year or two, down deep water circulates much more slowly, taking hundreds to thousands of years to make a circuit. Trace how dense, cold water masses from the polar regions slowly but inexorably move the great bulk of the ocean. x
  • 33
    The Ocean and Global Climate
    The ocean contains most of the heat in the ocean-atmosphere system, and surface currents distribute it around the planet. Begin your study of the ocean's reaction to increasing carbon dioxide in the atmosphere, which is leading to climate change worldwide. x
  • 34
    The Warming, Rising Sea
    Learn that one conjectured effect of global warming—the shutting down of the Gulf Stream leading to a new ice age in Europe—is unlikely. But the planet is already on a path to melting glaciers and steadily rising seas, with catastrophic implications for low-lying populated areas. x
  • 35
    Marine Pollution—The Impact of Toxins
    Turn to the problem of marine pollution, which includes runoff from land and deliberate dumping, in addition to acidification from atmospheric carbon dioxide. Also look at the Great Pacific Garbage Patch, where plastic particles and other debris have concentrated in a rotating mid-ocean current. x
  • 36
    The Future Ocean
    Finish the course by looking into the future. Constant change will continue to be the state of the ocean, just as it always has been. But humans can promote change for the better in a variety of ways, including using the national park model to establish marine sanctuaries. Learn other choices you can make to help preserve this wonder of the planet. x

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Your professor

Harold J. Tobin

About Your Professor

Harold J. Tobin, Ph.D.
University of Wisconsin, Madison
Dr. Harold J. Tobin is Professor of Geoscience at the University of Wisconsin-Madison. He earned his B.S. in Geology and Geophysics from Yale University and his Ph.D. in Earth Sciences from the University of California, Santa Cruz. Professor Tobin was named a Best Instructor by students at UW-Madison, and he was elected a Fellow of the Geological Society of America. Among his other honors is NASA's Lyndon B. Johnson Space...
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Oceanography: Exploring Earth's Final Wilderness is rated 4.3 out of 5 by 72.
Rated 5 out of 5 by from Great Introduction and overview of oceanography I ordered this series to complement topics in our homeschool curriculum. After having covered several years of studies about the seashore and marine life, as well as frequent visits to marine environments, they wanted more and I thought this course would engage them more deeply. The lectures fascinated them immediately and they remained so for the entire year watching one lecture per week. My husband and I also found them interesting and informative. Dr. Tobin presented the topics in a manner that held the attention of advanced degree adults and young children at the same time. Although some of the scientific concepts and formulas were difficult for the children (7 and 8 years old), they gained a firm understanding of the richness and complexity of oceanography with a strong desire to continue learning.
Date published: 2018-06-22
Rated 4 out of 5 by from I learnt a lot from this This are very interesting. Learning about seabeds, underwater mountains and of course those awesome hydro thermal vents is a wonderful science. I agree the presenter could be a better speaker but otherwise it's great.
Date published: 2018-04-27
Rated 4 out of 5 by from Kind of soon to request a review So far we like the course a lot, but we've only seen a few of the lectures so far.
Date published: 2018-04-19
Rated 5 out of 5 by from Very Complete This course is very good. Covers so much. I highly recommend it.
Date published: 2018-02-21
Rated 4 out of 5 by from Amazing Breadth of Information Over the course of 36 lectures, Harold Tobin presents scientifically solid, easy to understand information on just about every major topic that falls under the heading of Oceanography - the physical and biological aspects of the world’s oceans. Viewers new to this subject will likely appreciate the time he takes to break down complex information and present it in a way that can be digested by people who don’t have a background in marine science. Viewers with an intermediate-level understanding of our oceans are likely to appreciate that in each lesson Professor Tobin focuses on one topic, or one interconnected set of topics, and explores the subject in depth. A look at the lesson titles provides an excellent indication of exactly what this course covers - and what it does not. Were I basing this review on the merits of the science and Dr. Tobin’s mastery of his subject alone, I would give it five stars without hesitation. However, and this is a matter I hope those helping to put All the Great Courses materials together will strive to improve, Tobin's presentation style was not as strong as it could have been. As other reviews have pointed out, there are simply too many “ums,” “wells,” “uhs,” pauses and false starts. It can be a bit like riding in a car where the driver continuously - and for no reason - keeps tapping the brakes. These verbal meanderings at times bog down his delivery, hence the criticism from some reviews that the lectures are “dull.” Indeed, they can be. Someone at The Great Courses should have worked with Professor Tobin to tighten this up. There is a second reason that this course didn’t achieve as high a rating as it might have. While in many instances the visuals - graphs, maps, illustrations, photographs and film clips - are effective, at other times they are lackluster or absent. The cost of these courses is generally very reasonable, and I don’t want to see that change. However, I suspect more could be done to create lectures with greater visual appeal. This applies not only to this course which was released in 2011, but to some of the more recent additions to The Great Courses Library as well. Criticisms aside, Harold Tobin packs an amazing breadth of information into these 36 lectures, and he does so in a manner that is accessible to novice and intermediate students interested in learning more about the world’s oceans, and who are interested in a better understanding of humankind’s interactions with and impact on our seas. Although seven years have gone by since this course was introduced, the information Professor Tobin presents remains accurate and relevant.
Date published: 2018-02-12
Rated 5 out of 5 by from Very well presented I have gotten through about half the material and I am really impressed at the depth of knowledge that is disseminated by the professor. He keeps the subject matter interesting while still going into great depths when necessary
Date published: 2017-11-08
Rated 5 out of 5 by from Excellent! I think this could be the best course that I have taken. Excellent lecturer and extremely well presented.
Date published: 2017-09-16
Rated 5 out of 5 by from Great Overview of the Ocean. I really enjoyed this course. I still watch lessons from this course as I find the subject matter interesting. If you want to know how our world works, this is one of the courses you need to take.
Date published: 2017-07-01
Rated 5 out of 5 by from Oceanography It clearly an outstanding course. The format was clear and easy to understand?
Date published: 2017-05-29
Rated 5 out of 5 by from Terrific course! I've watched over 100 of these courses, and this one stands in the very top tier. Every lecture, I found, had at least one new interesting surprise. When I was about 2/3 of the way through I happened to take a look at what others reviewers were saying about the course, and so I would like to just take a moment to disagree with some of those who posted negative comments. Some said that Tobin's speaking style is awkward, that he says "um" a lot, and other such things. I just think that's baloney. My theory is that such folks are either not interested in the subject, or suffering from a short attention span. As a former teacher I've seen plenty examples of both, and such comments bring back old memories.
Date published: 2017-05-17
Rated 5 out of 5 by from Outstanding overview Excellent overview of dozens of issues about the ocean. Part of it is very scientific and I found hard to follow, but he always explained the main, salient points clearly. Feels like I learned TONS of good information.
Date published: 2017-04-21
Rated 5 out of 5 by from The Journey continues.... I found the course to be helpful from an environmental perspective, and to increase my understanding of our relationships with the planet. I enjoyed the presentation and scope of content. The course is well done and worth the time. You will be enlarged from the course.
Date published: 2017-04-20
Rated 2 out of 5 by from Solid Content; Poor Presentation This course did not live up to my high hopes and expectations. While the content was comprehensive and well-selected, I found Prof. Tobin's lecture style very ineffective. He was not nearly as polished a presenter as most TGC professors, and his various verbal ticks and lack of energy and passion really detracted from my enjoyment of the course. In short, he made what I think could be a very interesting and captivating course extremely dull. As a result, it took me a long time to force myself to grind through the lectures as I took lengthy breaks to view or listen to other courses along the way. Obviously mine is a minority view based on the other posted reviews, but, for me, this course was a major disappointment.
Date published: 2017-03-25
Rated 5 out of 5 by from Love This! I just started these lectures and love them. They have something for everyone. I watch them with my grandchildren. And while they don't always understand all of the words, they learn something every time, and love to see all the great visuals and pictures. My 10-year-old granddaughter is interested in Marine Biology, and loves to watch these with me! A great investment in my learning and her potential future! Thank you!
Date published: 2017-02-02
Rated 5 out of 5 by from The most engaging course I've ever taken Both my husband and I thoroughly enjoyed this course. It was cogent, well-presented, and absolutely fascinating. Professor Tobin's enthusiasm for his subject came through as if he were in our living room, and we were carried along. The many graphics are also excellent. We both now feel we're fairly well educated on the subject, which is a good thing because we live on Puget Sound, which has had, and continues to have, great challenges in maintaining water quality.
Date published: 2016-12-10
Rated 5 out of 5 by from The Vast Field of Oceanography Have varied interests in life from law to sociology to science and environmental policy. I have had the pleasure of having taken college courses in marine biology and oceanography. No single course can be even an all inclusive. oceanographic survey. Now I confess that this is a field I love, and this is a great course. Considering that about 70% of the Earth is Ocean, and that the majority of the human population lives near the sea, and that the ocean is a priceless resource that we are ravaging, it behooves us all to understand the science of the oceans of our planet. Also, there are lovely videos under the sea.
Date published: 2016-11-06
Rated 5 out of 5 by from A truly Great Course Harold J. Tobin really managed to leave me in awe of our world's greatest and critical eco-system. We would not be here and will not survive without it. He navigates proficently, eloquently and comprehensively the impressive collection of current understanding while not hiding the fact that we have merely scratched the surface of our home planet. Those who expect drama and entertainment à-la Jacques Cousteau (which has its merits) will not be satisfied however. Professor Tobin is into the long haul which is much more inspiring and adding to our enlightenment. Two thumbs up! Where can I sign on to help get those deep water and sediment probes down?
Date published: 2016-10-23
Rated 5 out of 5 by from An excellent survey of Oceanography This is an excellent course. Both the content and the presentation are just great, and so are the visual aids. Oceanography is an integrated science (integrating geology, physics, biology, meteorology and chemistry). This course manages to cover it all at a very high standard of quality.
Date published: 2016-10-01
Rated 3 out of 5 by from Not what I expected This was my first course for the Great Courses.I ordered it on DVD. I had high hopes and really looked forward to it. I got through two discs and really wasn't looking forward to watching another session. I hold a Masters in Theology, so I have experience with different teaching styles. Professor Tobin didn't hold my interest and the information was often very technical. If you are really into the more minute details of science and geology, you might enjoy this more. Thankfully, Great Courses has a great guarantee and are swapping the course out for me. If you think you might have a different opinion, give it a try. You can swap it out if you don't like it.
Date published: 2016-09-02
Rated 3 out of 5 by from Drowned in Dullness This course fits in nicely among Teaching Company courses on geology, meteorology, ecology, and evolutionary biology since the geosphere, atmosphere, biosphere and hydrosphere are all closely connected and act upon one another, as Professor Tobin makes clear throughout. Unfortunately, it bored me. Part of this was my fault; the mechanics of waves and currents and of upwelling and down-welling interested me less than I expected. Other purchasers may not have this difficulty. I would have preferred more lectures on underwater life. The other part, however, was Professor Tobin’s poor lecture style. He has a tendency to interrupt himself with a lot of “ums” and “uhs,” to punctuate his remarks with “you know” (no I don’t know; that’s why I bought the course!), and to end lists of two or more items with the stock phrase “and things like that” (if there are other things, you should name them!). At least a few times he gets stuck on a syllable or word, like “be…be…be.” Tobin’s verbal stumbles and surplus phrases often extend lectures by an extra two minutes. Rather than get used to them I became increasingly annoyed. I own other courses with less-than-inspiring speakers, but I like the topics more than oceanography. So I have decided to return this course and devote my shelf space to some other Teaching Company product.
Date published: 2016-03-24
Rated 4 out of 5 by from My First Course from TGC Oceanography was my first experience with The Great Courses. My interest in this course began when I saw an interview given by Bill Gates of Microsoft saying he'd viewed this particular course. I was hooked from the introduction. The topics included allowed me to have a first step into what was a fascination study of a world I thought I'd known but apparently did not. From the descriptions of the various geographic zones of the oceans to learning that plate tectonics was only widely understood in my own lifetime, I learned from every lesson. The only thing that could have been better would have been the quality of the graphics. I made mention of this in a letter to the company and they answered me by upgrading the graphics in later courses and that, is really a great response tot he customer. I have been waiting for a second more advanced course that expands and deepens my understanding of the topic and I will continue to hope that one is in the making because this course was and remains my favorite and I have over 70 of the courses so far.
Date published: 2016-01-20
Rated 5 out of 5 by from Oceanography: Exploring Earth's Final Winderness I read the other reviews first and was a little disappointed in any of the negatives ones. My own opinion is if you are interested in the Ocean this opens up doors to a world that is still being explored. If a person is looking for a degree they should go back to school but if they want information on a subject covered in these amazing lectures this is the go to place. Watching at one's leisure is enjoyable and relaxing. Yes, sometimes the professor did stumble on word(s) but it wasn't constant and didn't take away from the course. He knows the subject well and is not just a professor but is a veteran explorer as well. I love the fact that a guidebook comes with the course.
Date published: 2015-11-13
Rated 5 out of 5 by from Study of the Seas and Oceans An excellent and illuminating course expertly taught and presented. Superb graphics and video clips. Highly recommended
Date published: 2015-10-12
Rated 3 out of 5 by from Mediocre presentation & visuals If you are really fascinated by Oceanography (meaning the actual Science, not just "coral reefs are pretty") then this course might be worth your while. However, Prof. Tobin doesn't have a great presence; his presentation is fairly wooden, he sometimes stumbles on his words and there is a lot of "um, uh, ah", to the point that it was mildly distracting. The visuals are okay but not outstanding; there are many instances in which we watch as he tries to describe something with "uh, um, ah...." accompanied by not-particularly-helpful hand gestures, when a good visual would have been more appropriate. Having said that, this course did open my eyes to many interesting aspects of oceanography, ranging from the distinction between erosion-dominated shorelines (i.e. the western coast of the US) and deposition-dominated shorelines (eastern coast). I'll never look at beaches and deltas the same way, having become somewhat attuned to the various attributes that these features can present. In addition, he does a good job of tying together the relationship between the atmospheric currents and ocean currents, and explains how these affect shoreline environments. As a recreational scuba diver, I know something of these matters and have read one of the books that he recommends (Mapping the Deep), but I still learned a lot in the course. In conclusion, I was on the fence about whether to select "I would recommend this course" and ultimately decided no, because I think that the course might not be enjoyable to someone with a passing interest in the field; if you are interested enough in the topic to read the reviews and if the subject matter described above sounds like your cup of tea, then by all means go ahead and get the course. If you just have a vague interest in the oceans or natural sciences, then look elsewhere (Michael Wysessian's Geological Wonders is captivating and he's a much better presenter than Prof. Tobin).
Date published: 2015-08-06
Rated 5 out of 5 by from Outstanding Course From start to finish this course was excellent. A broad, yet detailed enough survey introduce the viewer to the important examination of the ocean. The geologic time frame is consistent with current science and is presented in a fashion that is accessable for Junion/senior year high school through university students. The information presented on the physics of the ocean is interesting, if a bit daunting...but critical to understanding the later lectures. Those that involve the marine life are nothing short of amazing. Dr. Tobin is a first rate professor, who demonstrates his extensive knowledge of the subject matter. His presentation is casual, but authoritive in his command of the material. I strongly recommend this course for anyone interested in a survey course exploring a major dimension of our earth.
Date published: 2015-06-14
Rated 4 out of 5 by from Better than television The facts of oceanography are always interesting and not too hard to understand. This is a good course to take purely for entertainment.
Date published: 2015-06-03
Rated 1 out of 5 by from Billion Year Old Earth-No Way I believe the Bible. God created the whole thing in seven days. And it was good!
Date published: 2014-12-18
Rated 5 out of 5 by from Really good course My wife and I live on a sail boat (in the South Pacific at present). We dive and do underwater photography, and we have an intense interest in the ocean. We both thought this class was just fascinating -- we learned important things in every lecture, and we knew a lot to begin with. Professor Tobin's style is a bit informal for some people, and he could be more polished, but we were ok with it. He knows his subject, loves it, and knows how to communicate ideas clearly -- those things are more important than a flashy style. We just wish that GC also offered a course specifically on coral reef biology. Professor Tobin talks about that stuff, but it's just a small part of a big course.
Date published: 2014-10-07
Rated 1 out of 5 by from Excellent professor, but stupid noises The course was excellent on this engrossing subject. I like professor Tobin a lot. I watched about three hours of the DVDs. But every time the professor put up a slide, I got an annoying electronic noise. I liken that to a third grade teacher admonishing the disinterested kids, "NOW PAY ATTENTION". So I returned the course for a refund, along with two other courses with the same silly annoyances! I'll go to Barnes and Noble, seeing what Dr. Tobin published.
Date published: 2014-08-28
Rated 5 out of 5 by from "Oceanography..." should be a required course... ( Format: Video streaming ) During this time of global resource degradation and warming, "Oceanography..." should be a required course for politicians, skeptics and high school seniors. Dr. Tobin masterfully presents the science behind the ocean's roll in global climatology and pending change, a condition that will affect all life on earth in one way or another. Oceanography presents a clear overview of our oceans and their importance. The course is well organized and uses state of the art video technology and graphics to illustrate the concepts behind the science, concepts firmly established during the past decade or two because of the intensive science focused on the topic. This allows us a clear understanding of the phenomena and physics without skepticism.. Dr. Tobin is passionate about the subject and shows this in his energetic, dynamic lectures. The topics, flora, fauna, tides, currents, atmosphere, physics of heat exchange, chemistry, pollution etc., are presented in an understandable sequence, each lecture evoking us to view the next..." just one more". My only (mild) criticism of this course is that Dr. Tobin lacks the grammatical polish of a seasoned lecturer, but he is sure to improve over time. A good course to take with "Oceanography..." is "How the Earth Works"; they dovetail nicely. Very best regards, jkh
Date published: 2014-08-12
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