ORIGINS CHAPTER 1.

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Presentation transcript:

ORIGINS CHAPTER 1

Total water Oceans: 97% Ice: 1.8% Groundwater: 0.6% Lakes and streams Salt: 0.007% Fresh: 0.009% Atmosphere: 0.001%

Marine Science (oceanography) The process of discovering unifying principles in data obtained from the ocean, its associated life-forms, and its bordering lands. Biology + Geology + Physics + Chemistry + Engineering

Marine Geologists Composition of inner Earth Mobility of the crust Seafloor sediments History of the oceans, continents, and climate Earthquake prediction + Resource exploration

Physical Oceanographers Study and observe wave dynamics, currents, and ocean-atmosphere interactions

Chemical Oceanographers Study the oceans total dissolved solids and gases in relations to biology and geology

Climate Specialists/Climatologists The ocean’s role in the changing climate

Marine Biologists Nature and distribution of marine organisms Impact on these organisms from pollutants Drug-making from marine species Yield of fisheries

Marine Engineers Design and build oil platforms, ships, harbors

Where is the deepest spot in the ocean?

Where is the tallest mountain?

Stars and Seas All “matter” in the universe came into existence around 14 billion years ago  Big Bang

Stars and Planets are contained within Galaxies

How did the solar system get here?

Earth, Ocean, and Atmosphere accumulated in layers sorted by density The densest material sank to the bottom Iron, nickel The more buoyant material rose to the top Silicon, magnesium, aluminum, oxygen-bonded compounds

Origin of the Moon

Origin of the Ocean Outgassing and comets

Life probably originated in the ocean

What will be the future of Earth? Doom and Gloom dominates the “science” of the media and pop-culture

Are there other ocean worlds? There are no other ocean worlds out there, thus far.

The Solar System’s Moons

Mars

Titan

Huygens lander

Life and Oceans?