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VOLCANIC FEATURES OF THE CENTRAL ATLANTIC OCEAN
VOLCANIC FEATURES OF THE CENTRAL ATLANTIC OCEAN

... Similar to other ocean basins, the central Atlantic Ocean (roughly latitude 10° to 50° N) contains many (more than a hundred) volcanic seamounts grouped in chains, clusters, and individual features. Although the Atlantic Ocean crust has been forming continuously from the Early Jurassic to the presen ...
CHAPTER 2 COORDINATE SYSTEMS
CHAPTER 2 COORDINATE SYSTEMS

... The interval between two successive upper transits of the vernal equinox over the same meridian 365.2422 Mean Solar Days per year 366.2422 Sidereal Days per year ...
Celestial Sphere part 2
Celestial Sphere part 2

... + Ophiuchus wrestles with In the Summer, Serpens high in the southern sky. ...
Distance from the equator
Distance from the equator

... • Equatorial regions receive more sunlight and heat energy. – Smaller surface that receive the heat. – Sun rays more vertically • The coldest place on the earth's surface, the poles. Polar regions receive relatively less sunlight and heat energy. – Larger surface to heat. – sun rays are more diagona ...
SEA FLOOR SPREADING Mid
SEA FLOOR SPREADING Mid

... • A device that bounces sound waves off underwater objects and then records the echoes of these sound waves. • Sonar mapped mid-ocean ridges. ...
atlas skills worksheet name
atlas skills worksheet name

... the distance north or south of the Equator in degrees. One simple way to visualize this might be to think about having imaginary horizontal "hula hoops" around the earth, with the biggest hoop around the Equator, and then progressively smaller ones stacked above and below it to reach the North and S ...
THE EVOLUTION OF OCEAN BASINS
THE EVOLUTION OF OCEAN BASINS

... evolution of any of the three main ocean basins. The Pacific and Indian Oceans display a more complex history partly because of the development of major subduction zones along one or more boundaries and partly because of adjustments in spreading direction. ...
Ocean Features  Abyssal currents Abyssal plains
Ocean Features Abyssal currents Abyssal plains

... oceanic ridge is characteristic of what is known as an oceanic spreading center. The midocean ridges of the world are connected and form a single global mid-oceanic ridge system that is part of every ocean, making the mid-oceanic ridge system the longest mountain range in the world. The continuous m ...
Maps and Globes are Models of Earth
Maps and Globes are Models of Earth

... Conic Projections  Based on the shape of a cone  The latitude lines are curved slightly, this allows for a more accurate size and shape of some landmasses ...
The Five Themes of Geography
The Five Themes of Geography

... Lines on a map that go North and South are called what? ...
Geological Provinces of the Ocean III
Geological Provinces of the Ocean III

... ICE AGE long cold periods Large amounts of water is trapped on land as glaciers and therefore sea level drops. ...
1.4 Understanding Geographic Terms for Water and
1.4 Understanding Geographic Terms for Water and

... • Latitude lines – run west to east (p.14) – Always have the same distance in between them. – Are measured starting at the equator. – Equator – 0 ° latitude – North Pole - 90° latitude – South Pole - 90° latitude ...
Oceans 11 Bathymetry and the Use of Technology Name Date Our
Oceans 11 Bathymetry and the Use of Technology Name Date Our

... Our knowledge of the diverse topography of the ocean floor is relatively recent. Up to the 1920’s depths to the ocean floor were determined by lowering a weighted rope until it touched bottom and then measuring the length of the rope. Ocean floor composition was essentially inferred from information ...
Grade 8 Science
Grade 8 Science

... Sonar – used to measure depth of ocean – echo location.Sound wave goes down and comes back to the ship.If it takes a short time for wave to come back – shallow water.Visa versa Depth probe – piece of equipment used to measure depth of the ocean. Coriolis Effect – The change in the direction of winds ...
Seafloor Ages ABC - SERC
Seafloor Ages ABC - SERC

... 7) Two students are debating about the relative ages of the rocks in the Atlantic Ocean. Student 1: The oldest rocks are located at E because it is the farthest from a continent. The rocks would take a really long time to get to the middle of the ocean. Student 2: But this divergent boundary is foun ...
Eustatic Sea Level Change Mechanisms
Eustatic Sea Level Change Mechanisms

... eustatic sea-level changes that are expressed worldwide. The most common tectonic mechanism to impact global sea-level change is the movement of the earth's lithospheric plates. This includes the opening and closing of major ocean basins, the addition of new crust along mid-ocean ridges, and changes ...
Geography
Geography

... On a sheet of loose leaf try to explain to someone: “where is the location of Penncrest High School?” ...
FREE Sample Here
FREE Sample Here

... other substance (other than dollar bills or toilet paper). Be sure to indicate some of the major changes that have occurred on Earth since its origin. Just about any substance or length can be used to represent a geologic time scale. In past years some students have used dump trucks full of jellybea ...
Geology of the Ocean Floor and Hydrothermal Vent / Deep Sea
Geology of the Ocean Floor and Hydrothermal Vent / Deep Sea

... 7. What is the difference between a sea and a gulf? Provide two examples for each 8. What is the difference between lithosphere and asthenosphere? 9. Describe the three differences between the oceanic crust and the continental crust. 10. What was the source of the water that gave rise to the oceans? ...
File
File

... Harry Hess (1963) proposed the idea of sea-floor spreading where a) magma rises at mid-ocean ridges to create new ocean floor b) ocean floor slowly moves outward away from the rift c) ocean floor sinks back into the mantle at deep-ocean trenches ...
DIVERGENT BOUNDARIES
DIVERGENT BOUNDARIES

... Now consider the magnetic anomaly pattern in the Indian Ocean. Your goal is to outline the spreading history of the Indian Ocean from anomaly 34-time to the present. To do such an analysis, you will want to keep the following principals of sea-floor spreading (and of the magnetic anomalies contained ...
Chapter 11: The coastal ocean
Chapter 11: The coastal ocean

...  1.h - Although the ocean is large, it is finite and resources are limited.  5.f - Ocean habitats are defined by environmental factors. Due to interactions of abiotic factors such as salinity, temperature, oxygen, pH, light, nutrients, pressure, substrate and circulation, ocean life is not evenly ...
Are the oceans spreading at the mid
Are the oceans spreading at the mid

... The US Navy badly needed accurate maps of the world’s ocean floor and the only way to do this was for a ship to sail backwards and forwards taking soundings. The results produced some astonishing pictures. ...
Chap7Sect2 -Cont Drift and Sea-floor
Chap7Sect2 -Cont Drift and Sea-floor

... chain of mountains extending into all of Earth’s oceans, that curves like the seam of a baseball along the sea floor. ...
CHAPTER 1: THE STUDY OF GEOGRAPHY
CHAPTER 1: THE STUDY OF GEOGRAPHY

... – This means that they look for patterns in where things are located on Earth and try to explain the patterns ...
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History of navigation



The history of navigation is the history of seamanship, the art of directing vessels upon the open sea through the establishment of its position and course by means of traditional practice, geometry, astronomy, or special instruments. A few peoples have excelled as seafarers, prominent among them the Austronesians, their descendants the Malays, Micronesians, and Polynesians, the Harappans, the Phoenicians, the ancient Greeks, the Romans, the Arabs, the ancient Tamils, the Norse, the ancient Bengalis, the Chinese, the Venetians, the Genoese, the Hanseatic Germans, the Portuguese, the Spanish, the English, the French, the Dutch and the Danes.
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