Intro to Oceanography: Chapter 6 I. What Causes Earth's Seasons? a. Ecliptic the plane traced by Earth's orbit (elliptical) b. Earth's axis of rotation is not perpendicular (upright); tilted at 23.5 degrees c. Earth's axis points to the Polaris, the
Intro to Oceanography: Chapter 8 Waves moving energy traveling along the interface between ocean and atmosphere I. What Causes Waves? a. Disturbing force the energy that causes ocean waves to form b. Three Interfaces i. Air-water interface ocean w
Intro to Oceanography: Chapter 7 Ocean currents masses of ocean water that flow from one place to another (water masses in motion) I. How Are Ocean Currents Measured? a. Ocean currents are either wind driven or density driven. i. Wind surface curre
Intro to Oceanography: Chapter 2 Plate Tectonics (plate = plates of the lithosphere, tekton = to build) I. What Evidence Supports Continental Drift? a. Alfred Wegener was the first to advance the idea of mobile continents in 1912 (continental drift).
Intro to Oceanography: Chapter 1 I. How Many Oceans Exist on Earth? a. "World Ocean" all oceans are interconnected and form a single continuous body of seawater b. The Four Principal Oceans, Plus One i. Pacific Ocean 1. single largest geographic fea
Intro to Oceanography: Chapter 5 I. Why does Water Have Such Unusual Chemical Properties? a. Atomic Structure i. Atoms are the basic building blocks of all matter. ii. Oxygen + Hydrogen -> Water 1. Oxygen a. 8 protons and 8 electrons 2. Hydrogen a. 1
Intro to Oceanography: Chapter 11 I. What Laws Govern Ocean Ownership? a. Mare Liberum and the Territorial Sea i. Mare liberum freedom of the seas to all nations ii. De dominio maris provided for national domain over the sea out to the distance that
Intro to Oceanography: Chapter 10 I. How Are Coastal Regions Defined? a. Shore a zone that lies between the lowest tide level (low tide) and the highest elevation on land that is affected by storm waves b. Coast extends inland from a shore as far a
Intro to Oceanography: Chapter 9 Tides periodic raising and lowering of average sea level that occurs throughout the oceans of the world Tides are fundamentally very long and regular shallow-water waves Gravitational attraction of the Sun and Moon g
Intro to Oceanography: Chapter 14 I. How Are Marine Organisms Able to Stay above the Ocean Floor? a. Use of Gas Containers i. Rigid Gas Containers 1. Cephalopods have rigid gas containers in their bodies to keep themselves afloat ii. Swim Bladders 1.
Intro to Oceanography: Chapter 13 I. What is Primary Productivity? a. Primary productivity rate at which energy is stored by organisms through the formation of organic matter using energy derived from solar radiation (photosynthesis) or chemical rea
Intro to Oceanography: Chapter 12 I. How Are Living Things Classified a. The Three Domains of Life i. Archaea group of simple microscopic bacteria-like creatures that includes methane producers and sulfur oxidizers that inhabit deep-sea vents and se
Intro to Oceanography: Chapter 15 I. How Are Benthic Organisms Distributed? a. The vast majority of known benthic species live on the continental shelf, where water is often shallow enough to allow sunlight to penetrate to the ocean bottom and suppor
Intro to Oceanography: Chapter 4 I. What Is Lithogenous Sediment? Lithogenous sediment is derived from preexisting rock materials Also called terrigenous sediment because most lithogenous sediment comes from the landmasses a. Origin i. Begins as rock
Intro to Oceanography: Chapter 3 I. What Techniques Are Used to Determine Ocean Bathymetry? a. Bathymetry (bathos = depth, metry = measurement) is the measurement of ocean depths and the charting of the shape or topography o the ocean floor b. Soundi