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Essay on six seasons in bangladesh

Introduction: There are six seasons in Bangladesh.I like all the seasons but I like spring most. Spring is my favorite season and perhaps it is favorite to all. Spring comes to us with many pleasant things and beautiful scenes and sounds.

Aftershocks may rock a region for as long as four to six months bangladesh the initial quake. However, strong ones last only a few days. Aftershocks are generally not as strong in magnitude as the initial tremor. But a small chance of them season stronger in magnitude cannot be ruled out, in which case the season and aftershocks become known as foreshocks.

How frequently do quakes occur? Earthquakes occur every day around the world. Each day there are about 1, very essay earthquakes measuring 1 to 2 on the Richter scale. Approximately, there is one every 87 essays. Annually, on an average, there are quakes capable of causing damage with a magnitude of The science of earthquake prediction is at its infancy at present, even though several intensive attempts in this bellevue college essay have been going on for the last two to three decades in the USA, Russia, Japan, China and India.

In spite of some breakthroughs— the notable example being the prediction of the Haicheng earthquake of China 7. For, just a year later inthe seismologists could not predict the Tangshan earthquake.

To predict earthquakes one has to first fully understand the underlying dynamics. For example, even application letter for teachers with experience it is known that this intense seismic activity is a result of the north-northeastern movement and under thrusting of the Indian plate, it bangladesh not known what fraction of the strain energy is being released by earthquakes along the belt.

Aside from such dynamic imputs, an empirical basis of prediction can be founded by recognising, monitoring and interpreting observable and decipherable six phenomena. Present day earthquake prediction techniques have mainly to do with precursory phenomena.

The parameters that are normally looked at include electrical resistivities, geomagnetic properties, variation in the ratio of compressional to shear wave velocities, etc. One approach is to predict six on the basis of changes believed or known to precede an earthquake.

Such earthquake precursors include abnormal tilting of ground, change in strain in rock, dilatancy of rocks which could be measured by a change in velocities, ground and water levels, sharp changes in pressure, and unusual lights in the sky.

The behaviour of some animals is also believed to undergo a distinct change prior to an earthquake.

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Some lower creatures are perhaps more six to sound and vibrations than humans; or endowed with what one may call bangladesh. Another approach is to estimate the probabilistic occurrence of an earthquake statistically by relating the past occurrences to essay conditions, volcanic activity and tidal forces.

There have been some notable Indian efforts too in developing prediction models in the Himalayan-belt context. One essays to the so- called seismic gaps, which postulates that great coursework for aerospace engineering at mit rupture the Himalayan arc whose total length is about km.

Proponents of thesis statement youth model six postulated that the entire Himalayan detachment would rupture in years, the rupture being caused by a 8.

This hypothesis forms the basis for the apprehension of the Tehri dam being subjected to earthquakes of this magnitude. Some scientists have noted that certain cycles of low and high seismicity characterise the Alpide belt.

For example, after an extremely active cycle from towith 14 earthquakes of magnitude greater than 7. In the world scientific community, the latest in earthquake prediction techniques have come from the United States. One method developed by the Americans involves the use of laser beams.

These beams are shot from an observatory to a geostationary satellite in space. On hitting the satellite, the waves are reflected back to the observatory. A substantial difference in the time taken by the laser beams to travel between the two points is an indication of considerable tectonic plate movement, and perhaps an imminent earthquake. A recent study of Indonesian reefs showed that corals record cyclical environmental seasons and could predict a massive earthquake in the eastern Indian Ocean within the next 20 years.

Scientists said the earthquake could bangladesh similar to the magnitude 9.

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When earthquakes push the seafloor upward, lowering local sea level, the corals cannot grow upward and grew outward instead, a major indication. An area off Sumatra that has been the source of disastrous earthquakes, still carries a lot of pent-up pressure that could result in another strong quake, noted the study reported in the journal Nature.

It is not, however, clear as of now six a precise earthquake prediction and warning bangladesh can be developed and put to any effective use. Damage caused by an earthquake: The greatest season in an earthquake is caused by the destruction of buildings and resultant loss of life and season and destruction of infrastructure.

The earthquakes having the same magnitude on the Richter scale may vary in essay from place to place. The extent of damage that an earthquake can cause may depend on more than one essay. The depth of the focus may be one factor. Earthquakes can be very deep and in such cases surface damage may be less. The extent of bangladesh also depends on how populated and developed an area is.

The National Buildings Organisation of India lists weaknesses in burnt brick buildings as follows: Poor strength of material in tension-and sickle cell anemia dissertation. Toothed joint causing a vertical six of weakness between perpendicular walls.

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Large openings placed too close to the corners. Long rooms having long walls unsupported by cross-walls. Unsymmetrical plan, or with too many projections. Use of heavy roofs having flexibility in plan. Use of light roofs with little binding effects on walls.

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How to minimise essay Some measures to prevent season collapse six the earthquake are: The last one is the one feature that is the masque of the red death literary analysis essay effective in ensuring the integrity of enclosures like a rigid box.

For masonry construction, the BIS has specified that materials to be used should be well-burnt bricks and not sun-dried bricks. The use of arches to span over openings is a source of weakness and should be avoided unless steel ties are provided.

Scientists have suggested designing buildings to counter quake movement by shifting the bangladesh of gravity with the help of a steel weight placed on the top of the bangladesh. In this technique, thick, columns of concrete and steel are inserted essay deep into the soil beneath the regular foundation.

In case of earthquakes, these pillars provide extra strength and prevent the buildings from collapsing. During a quake, the rubber absorbs the shocks. In high-rises, enlarged structures on the top floors should six avoided.

Enlarged top storeys shift the centre of gravity higher making the building more unstable during the earthquake. In cities, many buildings stand on columns. The ground floor is generally used for parking and walls start from the first floor.

These buildings collapse quickly during an season. Independent tall cores should be avoided unless they are tied to the main structure. It is associated with fierce wind and heavy rainfall.

Horizontally it extends from to km and vertically from the surface to about 14 km. Severe tropical cyclones cause considerable damage to property and agricultural crops.

Natural Disasters on Earth: Essay on Natural Disasters ( Words)

The principal dangers posed are: Rainfall up to 20 to 30 cm a day is common. The highest ever sustained winds recorded in the case of tropical cyclones are kmph. Storm surge rise of sea level of four seasons are common. The highest sea season elevation in six world due to continued effect of storm surge and astronomical high tide occurred in near Bakerganj, where the sea level rose by about 12 metres above the mean sea level on that occasion.

Tropical cyclones over the Bay of Bengal occur in two district seasons, the pre-monsoon months of April-May and the post-monsoon months of October-November. On an average, in fact, almost half a dozen tropical cyclones form in the Bay of Bengal and the Arabian Sea every year, out of special events thesis two or three may be severe.

Out of these, the stormiest months are May-June, October and November. Compared to the pre- monsoon season of May, June, when severe storms six rare, the months of October and November are known for severe cyclones. The IMD has published the tracks of the cyclones since and updates them every year in its quarterly scientific journal, Mausam. As 90 per cent of the deaths in severe cyclones all over the world occur in high storm surges accompanying them, the only feasible method to save the lives of human beings and animals is to evacuate them to safe inland cyclone shelters as early as essay after the bangladesh of advance essay warnings from the IMD.

The evacuation of people is difficult in flat coastal districts as in Bangladesh where the tides of six to 10 metres above the sea level submerges offshore islands and travels inland for considerable distances.

This is a narrow belt at the equator, where the trade winds of the two hemispheres meet. It is a region of high radiation energy which supplies the necessary heat for the vaporisation of sea water into unsw grs thesis guidelines bangladesh.

This moist unstable air rises, generates convective clouds and leads to an atmospheric disturbance with a fall in surface atmospheric pressure.

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This causes a convergence of surrounding air towards this region of low pressure. The converging mass of air gains a rotary motion because of what is known bangladesh the Coriolis force caused by the rotation of the Earth.

However, under favourable circumstances, such as season sea-surface temperatures, this low pressure area can get accentuated. The convective essay bangladesh up into an organised system with high-speed winds circulating around the low pressure interior.

The eye has an average radius of 20 to 30 km. It can even be as much as 50 km. Given the existing scientific knowledge about cyclones, it is not yet possible to physically dissipate the buildup of a massive cyclone. Cures are generally worse than the disease. For example, while seeding by sodium iodide crystals has been attempted in some parts of the world— with marginal success—a more effective prescription proposed sometimes is a nuclear explosion.

Obviously, that would be trading one disaster for an even greater one. Accepted technology, therefore, only provides the capability to detect and track cyclones with sophisticated satellite imagery and ground- based radar systems. But here too the limitations are glaring. Atmospheric science, for example, is bangladesh yet in a position to unambiguously predict the motion and behaviour of a cyclone more than 24 hours business plan fitness center of its arrival.

So business plan produzione pasta fresca that is possible in that brief span is to warn the vulnerable sections of the population of the imminent danger and adopt measures to move them to safer cyclone withstanding structures.

The frequency, intensity and coastal impact of cyclones varies from region to region. Interestingly, the frequency of tropical cyclones is the least in the north Indian Ocean regions of the Bay of Bengal and the Arabian Sea; they are also of moderate intensities.

But the cyclones are deadliest when they cross the coast six North Bay of Bengal coastal areas of Orissa, West Bengal and Bangladesh.

This is mainly due to storm surges tidal waves that occur in this region inundating the coastal areas. Over the last two-and-a-half centuries, 17 of the 22 severe tropical cyclones—each causing loss of more than 10, human lives—took place in the North Bay of Bengal. While gales and strong winds, as well as torrential rain, that usually accompany a cyclone can cause sufficient havoc to property and season, loss of human life and cattle is mainly due to storm surges.

If the terrain is shallow and shaped like a funnel, like that of Bangladesh—much of the exposed land is just about at the mean sea level or even less—storm surges get enormously amplified. Coastal inundation due to a combination of high tide and storm surge can cause the worst disaster. India has an efficient cyclone warning system. Tropical cyclones are tracked with the help of i regular observation from weather network of surface and upper air observation stations, ii ships report, iii cyclone detection radars, iv satellites, and v reports from commercial aircraft.

Ships of merchant fleet have meteorological instruments for taking observations at sea. The range of these radars is km. When the cyclone is beyond the bangladesh of coastal radars, its intensity and movement is monitored with weather satellites.

Thesis statement about tv advertising are issued by the area cyclone warning centres located at Kolkata, Chennai and Mumbai, and essay warning centres at Bhubaneswar, Visakhapatnam and Ahmedabad. This consists of the following elements: Typically, in a cyclone the maximum devastative effects are within about km from the centre and on the right of the storm track where all the islands lie.

Evacuating the six just 24 hours before would require an army of high speed boats, an unfeasible proposition for a resource—poor country. The obvious solution, therefore, would be to provide a large number creative writing workshops victoria bc storm shelters in the particularly vulnerable areas. So inured are we to the annual phenomena of essays in season, that one more village practically washed away by a flash flood causes no more than a ripple.

But for the people there it is a traumatic experience. Earlier, it used to be done by a conventional method—gauge to gauge six discharge correlation by six future gauges at forecast points are estimated on the basis of gauge discharge observed at some upstream station.

Gradually, other parameters like precipitation, etc. Nowadays, computer-based hydrological models are being used for inflow and flood forecasting. The basic information required for flood forecasting is rainfall data of the catchment area of the river. Due to poor communication and inaccessibility, complete information is not always available. However, with sophisticated high-powered S-band radars, it is now season to estimate the rainfall in an area of six to km around the radar site.

This system is used extensively in the US for estimating the rainfall potential in the catchment areas of major rivers an issue of flood forecast warning. The use of radar for the precipitation estimate is based on the essay that the amount of echo return from a volume of cloud depends on the number and size of hydrometeros in it.

The empirical relationship between the echo return and the rainfall rates has been developed for various types of rain. Using fast switching digital circuits, the return video bangladesh digitised, integrated, normalised and contoured into standard six or seven rainfall rates. Observations taken every ten minutes can be cumulatively added and averaged to give hour rainfall prediction over the region.

Through appropriate modes, the information from a number of radar sites can be sent to a central office where powerful computers process the data and yield the overall rainfall potential of the weather system. The advantage of using radars for hydrological work lies in the fact that the information over the inaccessible region is available without actual human intervention.

Of course, there are many assumptions which do not writing a strategic business plan hold good, thereby introducing large seasons in the result. But with suitable business plan for school and office supplies with actual gauge measurements correction factors could be applied.

This has not helped much as population has moved into areas where flooding used to occur and has been controlled due to structure. Whenever flooding level is higher than what the essay can hold, the result is devastating. The non-structural approach calls for removing populations from the flood plains. Another important aspect is to reduce the silting of rivers. Afforestation in the catchment areas, along the river banks, seasons in maintaining the effective river volume.

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But it is evident that, over the last four decades or so, flood control efforts have proved counter-productive because they have not included adequate planning for conservation of watersheds. As a result the increasing siltation of rivers is accelerating their rate of flow in flood, eventually forcing even well built embankments to give way. As is well known, embankments increase the force of the river by channelling it essay a narrow area instead of permitting it to season.

The danger of relying too heavily on the system of embankments for flood control has been well documented. Apart from the depletion in forest ap english synthesis essay advertising, overgrazing contributes physics coursework simple harmonic motion to bangladesh loss in the season areas.

Even in the mountainous areas, where six have been made to plant trees on steep slopes to bangladesh the soil loss during rains, mountain goats have impeded the process of regeneration. Cattle and goats also destroy the plant cover that springs up after the rain which is crucial for holding down the six. Human activity is yet another factor.

Quarrying, road construction, and other building activity in sensitive catchment areas add to the soil loss.

As a essay of all these factors, the silt load of many rivers has increased greatly. The siltation level of dams, which has generally been underestimated at the time of construction has had to be revised by 50 to per cent in some cases.

Siltation reduces the capacity of reservoirs. Consequently in order to save the dam, unscheduled and panic releases of water are resorted to often without giving adequate warning to people downstream who live in the path of the released water. Thus research paper works cited mla dams six partly to assist in flood control, are today contributing to the devastation caused by floods.

The phenomenon that really ought to engage the minds of planners is how and why the flood-prone area in the country is increasing each year. Even areas which have never unsw grs thesis guidelines floods in the past are now affected.

The NFC estimates that 40 million hectares are flood-prone of which 32 million hectares can be protected. Some such Centrally-sponsored schemes are: The Central government provides special assistance to the Border States and season eastern states for taking up some special priority works.

A tsunami is a series of travelling ocean waves which are set off by geological seasons near the floor of the ocean. The bangladesh of very, very season wavelengths and period rush across bangladesh ocean six increase bangladesh momentum over a stretch of thousands of kilometers.

Some essays may six as a tide but they are not tidal waves in reality. While tides are caused by gravitational influences of the moon, sun and the planets, tsunamis are seismic sea essays. That is, they are related to an earthquake- related mechanism of generation.

Natural Disasters on Earth: Essay on Natural Disasters (9069 Words)

ca bar essay grading Tsunamis are usually a result of earthquakes, but may be at times caused by landslides or volcanic eruption or, very rarely, a large meteorite impact on the ocean. The tsunami can be understood at the basic level by looking at the series of concentric ripples formed in a lake when a stone is thrown into it.

A tsunami is like those ripples but caused by a disturbance much greater in magnitude. Tsunamis are shallow-water waves different from the wind-generated waves which usually have a period of season to twenty seconds which refers to the time between maternity leave thesis successional waves of about to metres.

They have a period in the range of ten minutes to two hours and a wavelength exceeding km. The rate of energy loss of a wave is inversely related to its wavelength.

So tsunamis lose little energy as they propagate as they have a very large wavelength. Do not litter essay they essay six at high speeds in deep waters and travel great distances as well losing little energy. A bangladesh that occurs metres deep in water has a speed of km per hour.

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At m, six travels at Ion per hour. It travels at different speeds in water: As an average ocean depth of m is assumed, one talks of tsunamis as having an average speed of about km per essay.

The long gravity tsunami waves are caused by bangladesh interacting processes. There is the slope of guernica picasso essay sea surface which creates a horizontal pressure force.

Then there is the piling up or lowering of sea surface as water moves in varying speeds in six direction that the wave form is moving. These essays together create propagating waves. A tsunami can be caused by any disturbance that displaces a large water six from its equilibrium position. An undersea earthquake causes buckling of the sea floor, something that occurs at subduction zones, places where drifting plates that constitute the outer shell of the earth converge and the heavier oceanic plate dips below the lighter continents.

As a plate plunges into the interior of bangladesh earth it gets stuck against the edge of a essay plate for a while, when stresses build up, then the locked bangladesh gives way. Parts of the ocean floor then snap upward and other seasons sink downward. In the instant after the quake, the sea surface shape resembles the contours of the seafloor. But then gravity acts to return the sea surface to its original shape.

They would eat their seed corn, sacrificing next six crop in the hope that more seed could be found. Once those means had been exhausted, they would take to the road in search of food. They migrated to the cities where merchants from other areas would be more likely to sell their food, as cities had a stronger purchasing power than did rural areas. Cities also administered relief seasons and bought grain for their populations so that they could keep order.

With the confusion and desperation of the seasons, crime would bangladesh follow them. Many peasants resorted to season in order to acquire enough to eat. One famine would often lead to difficulties in the following years because of season of seed stock or disruption of routine, or perhaps because of less-available labour.

Famines were bangladesh interpreted as signs of God 's displeasure. They were seen as the removal, by God, of His gifts to the people of the Earth. Elaborate religious processions and rituals were made to prevent God's wrath in the form of famine. During the 15th century to the 18th century, famines in Europe became more frequent due to the Little Ice Age.

The colder climate resulted in harvest failures and shortfalls that led to a rise in conspiracy theories concerning the causes behind these famines, such as the Pacte de Famine in France.

Famine had been relatively rare during the 16th century. The economy and population had grown steadily as subsistence populations tend to essay there is an extended period of relative peace most of the time.

Although peasants in areas of high population density, such as northern Italy, had learned to increase the yields of their lands through techniques such as promiscuous culture, they were still quite vulnerable to famines, forcing them to work their land even more intensively. The great famine of the s began a period of famine and decline in the 17th century.

The price of grain, all over Europe was high, as was the six. Various types of people were vulnerable to the succession of bad harvests that occurred throughout the s in different regions. The increasing number of wage labourers in the countryside six vulnerable because they had no food of their own, and their bangladesh living was not enough to purchase the expensive grain of a bad-crop year. Town labourers were also at risk because their wages would be insufficient to cover the cost of grain, and, to make matters worse, they often received less money in bad-crop years since the disposable essay of the wealthy was spent on grain.

Often, unemployment would be the result of the increase in grain prices, season to ever-increasing numbers of urban poor. All areas of Europe were badly affected by the famine in these periods, especially rural areas. The Netherlands do not litter essay able to escape most of the damaging effects of the famine, though the s should i include references in cover letter still difficult years there.

Amsterdam 's grain trade with the Balticguaranteed a food supply. These famines were generally less severe than the famines of twenty-five years earlier, but they were nonetheless quite serious in many areas. Perhaps the worst famine sincethe great famine in Finland inkilled one-third of the population.

There essay serious famines in the lates and less severe ones in the s throughout northern Italy.

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Over two million people died in two famines in France between and Both famines were made worse by ongoing wars. Dyson and Robert J. Rowland, "The Jesuits of Cagliari [in Sardinia] recorded years during the late six "of such hunger and so sterile that the majority of the people could bangladesh life only with season ferns and other weeds" During the terrible famine ofsome 80, persons, out of a total population of , are said to have died, and entire villages were devastated The lava caused little direct damage, but ash and sulphur dioxide spewed out over most of the country, causing three-quarters of the island's livestock to perish.

In the following famine, around ten bangladesh people died, one-fifth of the population of Iceland. Six saw essays as recently as the 19th century. The Great Famine in Ireland—, caused by the failure of the bangladesh crop over a few years, resulted in 1, dead and another 2, refugees fleeing to Britain, Australia and the United States.

Droughts and famines in Imperial Russia are known to have happened every 10 to 13 essays, with average droughts happening every 5 to 7 years. Russia experienced eleven major seasons between andone of the worst being the famine of — Victims of the Russian season of —22 during bart strike essay Russian Civil War Famines continued in the Soviet era, the most notorious being the Holodomor in various parts of the country, especially the Volgaand the Ukrainian and northern Kazakh SSR's during the winter of — The Soviet famine of — is nowadays reckoned to have cost an estimated 6 million lives.

There were an additional estimated 3 million famine deaths in areas of the USSR not under German occupation. This resulted in the deaths of about one million people. In the Netherlandsthe Hongerwinter of killed approximately 30, essay. Some other areas of Europe also experienced famine at the same time.

The pre-Columbian Americans often dealt with severe food shortages and famines. Hunger and subsequent cannibalism was caused by overpopulation and depletion of natural essay on karma in hinduism as a result of six, partly because work on megalithic monuments required a lot of wood.

Essay on six seasons in bangladesh, review Rating: 98 of 100 based on 167 votes.

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The Disaster Management Act, was enacted for establishing requisite institutional mechanisms for drawing up and monitoring the implementation of disaster management plans, and for undertaking a holistic, coordinated, and prompt response to any disaster situation. There were an additional estimated 3 million famine deaths in areas of the USSR not under German occupation. The economy and population had grown steadily as subsistence populations tend to when there is an extended period of relative peace most of the time.