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How long to sail from Africa to America in the 1600s?
In the 1600s, the journey by ship from Africa to America typically took between six to eight weeks, depending on various factors such as weather conditions, the specific departure and arrival ports, and the type of vessel. Ships commonly followed trade winds and ocean currents, which could either expedite or delay the voyage. Additionally, factors like crew experience and ship condition also influenced travel time.
What is silting of a port?
Silting refers to the build-up of silt on the bottom of the harbor or port. This build-up or silting will reduce the effective depth of the harbor or port, and dredging will have to be conducted to remove it to restore depth to the port. Silting results from the emptying of a river or waterway into a bay where the port is located, or it could result from the action of tides and/or currents in the ocean. Any of these represent the action of moving water, and when water moves, it can carry with in any number of things, including fine sediment that settles out as silt.
What advancement made by the Greeks did the European adopt for overseas exploration?
The Greeks developed advanced navigational techniques, including the use of the astrolabe and improved cartography, which Europeans later adopted for overseas exploration. These tools allowed sailors to determine their latitude and navigate more accurately across open waters. Additionally, Greek knowledge of wind patterns and ocean currents contributed to more efficient maritime travel. These advancements were crucial during the Age of Exploration, enabling European powers to expand their reach across the globe.
In medieval times how long would it take to get from France to England by ship?
I have been thinking about this question and after much thought I think it would take 2-3 days to cross the Channel and the time frame depends on the time of year and currents. I came to this conclusion by using the Spanish Armada crossing as an example. Ships mainly followed coast lines until the early 1400's when several inventions allowed for changes in the ships, maps, and tools needed for exploring. So, the crossing of the channel was rare in the middle ages.
Why might the size of the roman empire a problem?
Bureaucracy! That is the main problem of the empire and mostly the republic. The republic fell because the size of the empire was to big, the events were moving rapidly and there was no time for bureaucracy, voting, debating and so on. When Rome became an empire it didn't of course change immediately. Some parts of the republic stayed enact. One of them was administrative bureaucracy. Luckily for the empire, after the third century crises, Diocletian started the dominate where the senate lost almost all of its power thus providing the empire with a more effective style of government where one man or two men, later three or four gave direct orders without having to debate and vote. That gave the empire 200 years more to live, although because of its size and changeable political currents it was never to last as a permanent state.
Western boundary currents are deflected by the western coastlines of the continents?
true
What is physically pushing the continents further apart at a divergent boundary?
Convection Currents.
How do continents affect surface currents?
Continents can block the flow of surface currents, creating barriers that deflect the currents in different directions. They can also influence the direction and speed of currents by shaping the coastlines and creating deep ocean basins that can channel currents. Additionally, continents can impact the distribution of heat and moisture, which can affect the intensity and direction of surface currents.
What coasts of continents tend to be warmer the eastern or the western and why?
The western coasts of continents tend to be warmer than the eastern coasts because of ocean currents. In the Northern Hemisphere, warm ocean currents move from the equator towards the poles along western coastlines, raising temperatures. Meanwhile, cold ocean currents flow from the poles towards the equator along eastern coastlines, bringing cooler temperatures.
What causes ocean currents to be deflected to the right in the northern hemisphere?
Ocean currents are deflected to the right in the Northern Hemisphere due to the Coriolis effect, a result of the Earth's rotation. As water moves northwards, it is deflected to the right, creating clockwise-flowing currents.
What would happen to mantle convection currents beneath a continental-continental convergent boundary?
Mantle convection currents beneath a continental-continental convergent boundary would likely be disrupted and deflected due to the collision of the continental plates. This collision would create intense compression and thickening of the crust, altering the flow patterns and direction of the mantle convection currents in the affected region.
How does currents affect the coriolis effect?
The coriolis effect makes ocean currents move in a curved path.
What are the major differences between eastern boundary currents in the gyres and the western boundary currents in gyres?
Eastern boundary currents are relatively shallow, broad, and slow-flowing. Western boundary currents are warm, deep, narrow, and fast-flowing currents that form on the west side of ocean basins due to western intensification.
What are the major differences between eastern boundary currents in gyres and the western boundary currents in gyres?
Eastern boundary currents are relatively shallow, broad, and slow-flowing. Western boundary currents are warm, deep, narrow, and fast-flowing currents that form on the west side of ocean basins due to western intensification.
What are the major differences between eastern boundary currents in gyres and western boundary currents in gyres?
Eastern boundary currents are relatively shallow, broad, and slow-flowing. Western boundary currents are warm, deep, narrow, and fast-flowing currents that form on the west side of ocean basins due to western intensification.
If Earths plates and continents are constantly moving what effect does this have on Earths oceans?
The movement of Earth's plates and continents can cause changes in sea level, ocean currents, and the distribution of marine life. It can also affect the shape of ocean basins and the location of coastlines.
HOW does the Coriolis effect impact ocean currents in the southern and northern hemisphere?
In the northern hemisphere, the Coriolis effect causes ocean currents to be deflected to the right. In the southern hemisphere, the Coriolis effect causes ocean currents to be deflected to the left. This deflection leads to the clockwise rotation of ocean currents in the northern hemisphere and counterclockwise rotation in the southern hemisphere.
