In the united states, early warning systems have not greatly reduced the amount of damage caused by hurricanes. This statement is True.
What is a hurricane?
A revolving low-pressure weather system known as a tropical cyclone lacks fronts and has organised thunderstorms (a boundary separating two air masses of different densities). Tropical depressions are tropical cyclones with maximum sustained surface winds of less than 39 mph (mph). Tropical storms are defined as having maximum sustained winds of 39 mph or more.
Hurricanes are storms with maximum sustained winds of 74 mph or higher. Based on a hurricane's maximum sustained winds, the Saffir-Simpson Hurricane Wind Scale assigns a hurricane a rating, or category, from 1 to 5. The potential for property damage increases with hurricane category.
The Atlantic basin, which includes the Atlantic Ocean, Caribbean Sea, and Gulf of Mexico, as well as the eastern and, less frequently, the central North Pacific Oceans, is where hurricanes develop. The World Meteorological Organization updates and maintains a list of names that is rotated every six years to identify these storms.
Although hurricanes can and have happened outside of this window, "Hurricane Season" officially runs from June 1 to November 30. The Atlantic basin experiences these powerful storm systems, which average 12 times a year, according to NOAA's National Hurricane Center.
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How can countries without natural resources acquire them? (give two examples)
Explain how the GAC affects the weather and climate of the tropics. (6 marks)
Global atmospheric circulation (GAC)
The movement of air across the planet occurs in a specific pattern. The whole system is driven by the equator, which is the hottest part of the Earth. Air rises at the equator, leading to low pressure and rainfall.
When the air reaches the edge of the atmosphere, it cannot go any further and so it travels to the north and south. The air becomes cold and falls to create high pressure and dry conditions at around 30° north and south of the equator. Large cells of air are created in this way. Air rises again at around 60° north and south and descends again at around 90° north and south. Global atmospheric circulation creates winds across the planet and leads to areas of high rainfall, like tropical rainforests, and areas of dry air, like deserts.
Global circulation can be described as the worldwide system of winds by which the necessary transport of heat from tropical to polar latitudes is accomplished. In each hemisphere, there are three cells (Hadley cell, Ferrel cell, and Polar cell) in which air circulates through the entire depth of the troposphere. The troposphere is the name given to the vertical extent of the atmosphere from the surface, right up to between 10 and 15 km high.
Hadley cell
Hadley Cells are the low-latitude overturning circulations that have air rising at the equator and air sinking at roughly 30° latitude. They are responsible for the trade winds in the Tropics and control low-latitude weather patterns.
The largest cells extend from the equator to between 30 and 40 degrees north and south and are named Hadley cells, after English meteorologist George Hadley. Within the Hadley cells, the trade winds blow towards the equator, then ascend near the equator as a broken line of thunderstorms, which forms the Inter-Tropical-Convergence Zone (ITCZ). From the tops of these storms, the air flows towards higher latitudes, where it sinks to produce high-pressure regions over the subtropical oceans and the world's hot deserts, such as the Sahara desert in North Africa
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What is the relative location of most of Canada’s islands?
Answer:
Near the arctic circle.
What are the possible causes of the change in temperature during the Quaterinary period?
Answer:
At the start of the Quaternary, the continents were just about where they are today, slowing inching here and there as the forces of plate tectonics push and tug them about. But throughout the period, the planet has wobbled on its path around the sun. The slight shifts cause ice ages to come and go.
if you were drilling for groundwater instead of oil, what type of sedimentary rock would you target to produce the maximum amount of fresh water from your well?
Because of its great permeability, sandstone is the sedimentary rock type you should aim for if extracting the most freshwater out of the well.
A body of permeable rock or sediment filled with groundwater is known as an aquifer. When it rains, groundwater seeps into an aquifer via the soil. Through springs and wells, it can surface after moving through the aquifer.
Sand-sized silicate granules make up the majority of the clastic sedimentary rock known as sandstone. About 20–25% of overall sedimentary rocks are sandstones. Because quartz and feldspar are the minerals that resist weathering the most at the Earth's surface, they make up the majority of sandstone.
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global climate models cannot predict the exact global average temperature of the earth in the year 2100 with total certainty. explain two different reasons for this fact. be specific and detailed in your explanations.
Global Climate Models are used for general trends, but due to anthropogenic activities and natural variability, they will not be able to accurately forecast the precise climate in the years ahead at specific moments in time.
There is no way to foresee natural disasters, therefore accuracy may not be able to account for a specific event in the earth's system.It is challenging to start the model since some areas do not have data for climatic parameters, and we do not even have measurements at all times. Clouds are the biggest source of doubt in global climate models because we don't completely grasp their physics.
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Answer:
Worldwide Environment Models are utilized for general patterns, however because of anthropogenic exercises and normal fluctuation, they can not precisely gauge the exact environment in the years ahead at explicit minutes in time.
Explanation:
It is basically impossible to predict catastrophic events, subsequently precision will be unable to represent a particular occasion in the world's system.It is trying to begin the model since certain areas don't have information for climatic boundaries anthropogenic and we don't have estimations consistently. Mists are the greatest wellspring of uncertainty in worldwide environment models since we don't totally get a handle on their material science.
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A free-market system, which is largely controlled by market forces such as
supply and demand, is best defined by which of the following?
OA. Socialism
OB. Capilism
OC. Unionism
OD. Communism
what is the name for the divide that sends water to the mississippi river and the atlantic ocean?
Continental divide is the name for the divide that sends water to the Mississippi river and the Atlantic ocean.
A natural ridge or border that divides a continent's river systems is known as a continental divide. A different ocean basin, bay, or sea is fed by each river system.
Large drainage divisions that span entire continents are known as continental divides or simply divides. Watersheds of all sizes are divided by boundaries called divides. In elevated topography, such as mountain ranges or hills, drainage divides can occur at any scale.
In general, rain that falls on one side of the divide will go into one basin and rain that falls on the other side will go into a different basin.
In some instances, water flows toward an endorheic basin, like a salt flat or a salt lake. Endorheic basins, which don't connect to an ocean or another significant body of water.
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the riverbed of the yellow river is currently 20 meters above the floodplain, which would normally cause it to change course. what allowed the river to reach this condition?
The construction of levees is why the river reached this condition.
what is a flood plain?
A relatively flat region of land near a river or stream is referred to as a floodplain (or floodplain). It extends from the river's banks to the valley's outer reaches. A floodplain is divided into two sections. The first is the floodway, which is the river's main channel.
A levee is a dam with a specific function: to guard against floods caused by seasonally high water. Levees are vulnerable to water loading for only brief periods each year, ranging from a few days to a few weeks, unlike small earth dams. They must therefore be created and designed using levee-specific standards.
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