According to the record compiled by EM-DAT (OFDA/CRED 2010), floods accounted for 40% of the natural disasters worldwide between 1985 and 2009 (Ferreira, 2011).
The information provided suggests that floods were a significant contributor to natural disasters during the period from 1985 to 2009. The data, sourced from EM-DAT (Emergency Events Database), which is maintained by the Office for the Coordination of Humanitarian Affairs (OCHA) and the Centre for Research on the Epidemiology of Disasters (CRED), indicates that floods constituted 40% of the recorded natural disasters during that timeframe.
Floods are a common natural disaster that can have devastating impacts on communities and the environment. They occur when there is an overflow of water onto normally dry land, often due to heavy rainfall, river overflow, or storm surge. Floods can lead to property damage, loss of life, displacement of people, and disruption of essential services.
The statistic presented highlights the significant occurrence of floods compared to other types of natural disasters such as earthquakes, hurricanes, or wildfires during the specified period. This information can be useful for disaster management and preparedness efforts, as it emphasizes the importance of understanding and mitigating the risks associated with floods.
To gain further insights into the specific methodologies and findings of the EM-DAT record and the study conducted by Ferreira in 2011, it is recommended to access the original sources. Exploring these records can provide a more comprehensive understanding of the global occurrence and impact of floods as natural disasters.
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The equipment in this photograph is used to minimize erosion. This equipment is usedA) to create shelterbelts and chemically fertilize the soil.B) to plow the soil, plant seeds and create strip cropping in one operation.C) for no-till planting.D) for contour strip farming.
The equipment in the photograph is used for contour strip farming, a technique aimed at minimizing erosion. The correct answer is option D.
The equipment depicted in the photograph is utilized for minimizing erosion. Specifically, it is employed for contour strip farming, which is denoted by option D. Contour strip farming is an agricultural technique that aims to reduce soil erosion by plowing the land along the contour lines of the slope. This practice helps to slow down the flow of water, preventing it from washing away the topsoil. By creating strips of cultivated land parallel to the contours of the land, the equipment enables the retention of water and soil on the field. This method promotes sustainable agriculture by preserving soil fertility, preventing runoff, and minimizing erosion, ultimately contributing to the long-term health and productivity of the land.For more questions on contour strip farming:
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a weather balloon is launched into the atmosphere and it is naturally buoyant, moving with air as it transmits weather conditions to ground stations. that is a lagrangian measurement. true false
The given statement "A weather balloon is launched into the atmosphere and it is naturally buoyant, moving with air as it transmits weather conditions to ground stations. That is a Lagrangian measurement." is true.
As a weather balloon is a unique type of balloon that is used to carry instruments that measure atmospheric pressure, humidity, temperature, and wind velocity at high altitudes. The weather balloon is made up of latex material and may rise to an altitude of 40 km. The balloon gets inflated to the maximum extent by filling it with a light gas like helium, making it very large in size. As the helium inside the balloon expands, it causes the balloon to rise in the air. The sensors attached to the balloon measure different weather parameters such as temperature, air pressure, humidity, wind speed, and direction while in flight.
The measurement of the weather balloon is lagrangian in nature. Lagrangian is a form of fluid mechanics that deals with the movement of an individual fluid particle rather than the larger fluid mass. A Lagrangian frame of reference can be considered to be a fixed point in space or a moving fluid particle, which follows a fluid element's trajectory. Lagrangian measurement: In the case of weather balloons, Lagrangian measurements are used to measure atmospheric changes at high altitudes. The weather balloons are launched into the atmosphere and left to drift freely with the natural movement of the air currents.
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Water usage in and regions is becoming an increasingly important issue, especially in largo metropolitan areas like Phoenix, AZ 12. Water Usage in Arid Regions - Phoenix, AZ. The Problem 12 placemarks highlight two distinctly different areas near Phoenix, AZ...one natural to the region and one artificially supported by a. Problem 12a - lush green golf course; Problem 12b - arid dosert with dry washes b. Problem 12a - arid desert with dry washes; Problem 12b - lush green golf course
The correct correspondence between the problem statements and the areas would be:
Problem 12a - Arid desert with dry washes
Problem 12b - Lush green golf course
This implies that Problem 12a refers to an arid desert area with dry washes, which is the natural condition of the region. On the other hand, Problem 12b represents a lush green golf course, which requires artificial support for maintaining its greenery in an arid region like Phoenix, AZ.
The issue being highlighted is the contrasting water usage between these two areas. Arid regions, such as Phoenix, face challenges regarding water scarcity, making efficient water management crucial.
The presence of a lush green golf course in such an arid environment raises concerns about the water consumption and sustainability of such practices.
Therefore the correct correspondence statements would be:-
Problem 12a:- Arid Desert with dry washes.
Problem 12b:- Lush Green golf course.
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which action is the primary cause of air pollution?(1 point) responses the depletion of the ozone layer the depletion of the ozone layer the runoff of pesticides and fertilizer from farms the runoff of pesticides and fertilizer from farms the burning of fossil fuels the burning of fossil fuels the runoff of oil and chemicals during storms
The primary cause of air pollution is the burning of fossil fuels. Fossil fuels, such as coal, oil, and natural gas, are extensively used for energy production, transportation, and industrial processes. When these fossil fuels are burned, they release pollutants into the atmosphere, contributing to air pollution. These pollutants include carbon dioxide (CO2), nitrogen oxides (NOx), sulfur dioxide (SO2), and particulate matter, among others.
The burning of fossil fuels releases large amounts of carbon dioxide, a greenhouse gas that contributes to climate change and global warming. It also releases nitrogen oxides and sulfur dioxide, which are responsible for the formation of smog and acid rain. Additionally, the combustion of fossil fuels produces fine particles and harmful chemicals that can have detrimental effects on human health, leading to respiratory problems and other illnesses.
The widespread use of fossil fuels in various sectors, such as transportation and energy generation, has resulted in significant air pollution issues worldwide. Efforts are being made to reduce reliance on fossil fuels and transition to cleaner and more sustainable energy sources, such as renewable energy. These measures aim to mitigate the negative impacts of air pollution and address the environmental and health challenges associated with the burning of fossil fuels.
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further south, the cold air mass over the southeastern states is cloud free. what is it likely classification? explain how it is being modified as it moves over the atlantic
Based on the given statement "further south, the cold air mass over the southeastern states is cloud-free," the likely classification of this air mass is continental polar (cP).
Continental polar (cP) air masses are cold and dry, and they develop over northern Canada and Alaska and then migrate southward. As a result, these air masses often have a significant influence on the weather in North America, especially in winter. The cP air mass is being modified as it moves over the Atlantic. The air mass becomes less dry and colder because the ocean's surface water temperature is warmer than the air mass.
This is because the ocean's temperature in the lower levels is usually above freezing, while the cP air mass is below freezing. Therefore, the cP air mass will pick up moisture from the warmer ocean surface, and as the moisture-laden air mass moves, it can result in the formation of clouds, precipitation, and fog. In general, the modification of the cP air mass depends on the time of year and the ocean's temperature at the time the air mass is moving.
Further, it is worth noting that the cP air mass can bring frigid temperatures to the southeastern United States, resulting in a rare event of snow and ice in the region. When this air mass reaches the coast, the temperature of the surface water modifies it, and it picks up moisture that it did not have when it was overland.
As a result, clouds may form, and precipitation may fall on land areas adjacent to the coast. However, it's essential to note that these clouds may dissipate when they move over the continent because the land surface is still too dry to supply the air mass with enough moisture to sustain the clouds.
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over the course of a year, when does mexico city (latitude 19.4n) receive the least solar energy?group of answer choicesevery day at noonat the winter solsticeat the vernal equinoxat the vernal equinoxat the summer solstice
Mexico City (latitude 19.4N) receives the least solar energy during the winter solstice.
During the winter solstice, which usually occurs around December 21st in the Northern Hemisphere, Mexico City experiences the shortest day of the year. This means that the duration of daylight is the shortest during this time. As a result, the sun's angle is lower in the sky, and the solar energy received is at its minimum. This is why the winter solstice is associated with the least solar energy received in Mexico City.
During the winter solstice, the Earth's axial tilt causes the sun to be at its lowest point in the sky, resulting in shorter days and longer nights in the Northern Hemisphere. As Mexico City is located in the Northern Hemisphere, it follows this pattern. The reduced daylight hours and the lower angle of the sun limit the amount of solar energy that reaches the city during this time. This phenomenon is particularly pronounced at higher latitudes, but even at Mexico City's latitude of 19.4N, the winter solstice marks the period with the least solar energy received throughout the year.
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The country of Libya is located above theNubian Sandstone aquifer, which gives it access to an amount of water about equal to all of the Great Lakes. Despite this, much of the water cannot be used. Why not?
The country of Libya is located above the Nubian Sandstone aquifer, which gives it access to an amount of water about equal to all of the Great Lakes. Despite this, much of the water cannot be used as NSAS is deep underground and water can be contaminated.
Various reasons why much of the water cannot be used in the country of Libya even though it has access to an amount of water about equal to all of the Great Lakes are :
Firstly, the Nubian Sandstone Aquifer System (NSAS) is deep underground, making the water too expensive to tap.
Secondly, there is a significant quality concern because the water is nonrenewable and can become contaminated as it is extracted.
Lastly, the expense of pumping the water to the surface, transporting it to users, and drilling new wells to compensate for depletion implies that the amount of water Libya can extract is restricted.
Therefore, these are the various reasons why much of the water cannot be used in Libya despite having access to an amount of water about equal to all of the Great Lakes.
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transform faults are found: group of answer choices at conservative plate boundaries on the moon only within convergent margins only in stable continental regions
Answer:
Transform faults are found at conservative plate boundaries.
Explanation:
Transform faults are a type of fault that occurs at conservative plate boundaries. Conservative plate boundaries are where two tectonic plates slide horizontally past each other, without creating or destroying crust. Transform faults form when the motion between the plates is primarily horizontal, causing them to slide past each other.
These types of faults are commonly observed on Earth, especially along the boundaries of tectonic plates. They are responsible for significant geological features, such as the San Andreas Fault in California. Transform faults are associated with earthquakes as the stress builds up along the fault line due to the ongoing plate motion.
It is important to note that transform faults can also be found on the moon and other celestial bodies with tectonic activity. On the moon, these faults are created by the same mechanism of horizontal plate motion and sliding past each other.
Transform faults are found at conservative plate boundaries. These boundaries are also known as the transform plate boundary. A transform boundary is where two tectonic plates meet, and they are sliding horizontally past one another.
They are commonly found in the ocean where they connect offset sections of mid-ocean ridges. They are also found on land where they connect two segments of a plate that are moving in different directions. This boundary is characterized by a lot of earthquakes.Transform faults are not only found on Earth but also on the Moon.
They are formed by fault motion or shear stress, which causes the lithosphere to break apart. They are also responsible for creating faults and rift valleys in the moon's crust. Transform faults can be hundreds of kilometers long, and they help to relieve the pressure that builds up along the plate boundary. Transform faults are not found in convergent margins or stable continental regions.
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