Rivers of Bangladesh
Meghna, Ganges, Brahmaputra
The Drainage Basin
Extensive, covering much of Bangladesh, parts of India, Nepal and
China. The Himalayas and Tibetan Plateau form the rivers' watershed.
The river Brahmaputra detours over a thousand kilometres as the river
has not been able to cut a valley through the resistant rock of the
Himalayas. The flood plain covers about 50% of Bangladesh's land area.
The river erodes material in its upper course in China, India and
Nepal, carrying huge amounts of sediment to be deposited as the river
slows crossing the floodplain and delta of Bangladesh. The river
enters the Bay of Bengal through its distributaries in the delta.
How and why does the river flood ?
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1. MONSOON & SNOWMELT : along the delta, huge tidal waves can be
whipped up in the storm conditions of the Monsoon season (May to
October). These waves can reach 7 metres in height and therefore have
very destructive effects. Islands in the delta such as Sandwip island
house the very poorest of people in Bangladesh. They are forced to
live on the stretches of land with greatest flood risk. They argue
that no one in government is interested in protecting their land.
2. DEFORESTATION: some scientists argue that large scale clearance of
forests in the Himalayas for firewood, furniture and sporting
equipment for other countries is one cause. Forest clearance exposes
the soil to rainsplash which loosens soil particles and surface run
off.
3. OVERFLOW: The increase in soil erosion adds to the silt / sediment
load of the river. The rivers in Bangladesh carry 1600 tonnes of silt
per kilometre. River's channel fills with debris & there is less room
for water which overflows.
4. CHANNEL STRAIGHTENING / CANALISATION: increasing control of the
river through concreted sections & straightening can actually increase
the river's speed (smooth sides reduce friction). This means more
water is carried faster downstream. This can be controversial -
building up concrete or stone levees can prevent floodwater draining
A flood is a large amount of water that covers an area that is normally dry. Floods can occur almost anywhere, but they happen more often on floodplains and on places close to the ocean. The land that floods regularly is called a floodplain. It is called coastal flooding when a large storm or wave from the ocean causes flooding in the cities inland. Some floods take days to develop, while others take minutes to form these are called flash floods.
Hydrosphere of the Mississippi River A Case Study of * River management * People interfering in the hydrosphere * A flood management scheme River Basin / Catchment area The source of the river is the eastern side of the Rocky Mountains and the Appalachian Mountains to the north. There are many hundreds of tributaries including the Red River, Missouri river and the river Ohio. The mountains form the river's watershed. From Minneapolis the river flows South-East into Iowa where it flows south as far as Davenport. At Davenport it is joined by more small tributaries.
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Fly fishing is not what this story is all about, although it might seem so at first. Neither is it about religion, even though the father’s first line is: "In our family, there was no clear line between religion and fly fishing." Yes, these two things are themes that run through the story and add to its power. But there is so much more. It depicts a place of beauty, history, myth, and mystery, it is a triangle of earth in Montana where the writer grew up. And it captures a space of time in the not-so-distant past with a sensitivity that is both witty and poetic. Robert Redford loved this story and turned it into a handsome movie. Read it yourself or watch the movie, and you will learn something about fly fishing, but you wil...
The Mississippi River is one of the world 's extraordinary rivers. It is the longest in the United States, more than twenty-three hundred miles in length, as it structures the outskirts of ten states, just about bisecting the mainland (Currie,2003, 8). This waterway has a long history also, and it has touched the lives of numerous individuals. The Mississippi is said to start at Lake Itasca in Minnesota. In 1832, pilgrim Henry Schoolcraft named this lake, not after any neighborhood Indian name, but rather from the Latin words for "genuine head" which are veritas caput abbreviated to "Itasca" (Currie, 2003, 4). In any case, much sooner than its source was named it was a navigational waterway. The Indians who initially lived on the banks of the stream were known as the Mississippians. From 800 to 1500, these people groups utilized the waterway for exchange. They dug out
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The four Ancient River Civilizations share similar core features within their societies; however, their cultures are still distinct and unique. In the Ancient World (±3500 BCE – ±500 BCE) there were four major river civilizations: Mesopotamia (±5000 BCE - ±33 BCE), the Indus Valley (±2100 BCE - ±1750 BCE), Egypt (±3100 BCE - ±323 BCE), and China (±2100 BCE - ±1368 CE). All four river civilizations’ core features are similar in their social structure, leadership, and agriculture. The differences between the river civilizations began in the geography of their placement, whether it is the rivers or the trade made possible through the geography. The river civilizations were distinct and
After watching a River Runs Through it in English class, I took some time to reflect on the film as a whole. I learned many life lessons and witnessed many hardships throughout the film. None of these hardships were more apparent to me than the gambling problem that Paul endures. During the course of the movie, Paul's family tries to reach out a helping hand to turn Pauls life back on track but they are unsure how to do so. Whether it is because the disregarded mind of Paul, or the willingness to accept his wrong doings, his family fails to get through to him. This tragedy is a perfect example of our prompt for this paper. Reverend Maclean's final sermon reads as this. "It is true that we can seldom help those closest to us--either we don't
The main character, Harry, in the book ‘By The River’ makes many choices that in my opinion weren't the right choices. Many of his bad choices are based on his anger and sometimes peer pressure. An example of one of his wrong choices in my mind is when Harry hurts himself after riding a billycart into a lantana bush. His younger brother persuaded him to ride the billycart, even though they knew that there was no brakes. Harry only rode it to show off to his brother and prove how brave he was. The consequence of this bad choice was a five inch scar on the side of his leg. Harry should have ignored his brother and went back home to fix the billycarts brakes. Another example of when harry makes a choice that can be right or wrong is when Harry
All lives revolve around decisions and instances from ones past. In A River Runs Through It (1992), director Robert Redford uses this idea and applies it to a true story of two brothers from Montana, Norman and Paul Maclean (Craig Sheffer and Brad Pitt, respectively). Based on the autobiographical novel by Norman Maclean himself, River uses Maclean’s metaphysical beliefs about life and nature to present its many themes. Using a longing score, various film devices, and a story line involving themes of youth, loss, and the pitfalls of pride, Robert Redford crafts a film about the beauty of the past.
On November 12th, 1970, the deadliest cyclone in the history of Bangladesh, formerly East Pakistan, struck around the northwest shores of the Bay of Bengal. East Pakistan was undergoing widespread poverty at the time, leading to a wide range of uncertainty in the death toll of the cyclone (Encyclopedia 501). Tensions between East and West Pakistan were at large at the time, leading West Pakistan to be disinclined to assisting East Pakistan in recovering from the storm (History 4). This became a factor to the national mutilation of East Pakistan (Geol 1). This calamity is by no means the strongest storm in history. The storm merely struck the worst possible place at the worst possible time (Disaster 172). Due to this, Bhola is frequently recognized as the most devastating tropical storm in history (International 5).
Rapid growth in industrialization to support the country’s growing population and economy has polluted our rivers like never before. Studies show that domestic and industrial sewage, agricultural wastes have polluted almost all of Indian rivers. Most of these rivers have turned into sewage carrying drains. This poses a serious health problem as millions of people continue to depend on this polluted water from the rivers. Water-borne diseases are a common cause of illness in India today. The bad effects of river pollution are not limited to human population only. Pollution of river has affected animals, fish, and bird’s population, sometimes threatening their very existence. Polluted water seriously affects the reproductive ability of animal and fish species in rivers thus making them extinct in
The Amazon River Amazon River is the world's second longest river and the chief river
Despite being one of the most density-populated countries in the world, Bangladesh has a lot to offer its people and the world. The people of Bangladesh live in a contestant shift between drought and flooding. Through these hardships, Bangladesh still produces a large number of exports as well as local products and produce. The government of Bangladesh has two heads of office, the head of state and the head of the government. There are three major branches of military, Army, Air force, and Navy. Bangladesh has an impressive track record of growth and development aspiring to be a middle-class country within the near future. The people of Bangladesh continue to peruse a better way of life no matter the hardships that befall them. Be it flooding in the south, drought in the north or hard economic time Bangladesh continues to thrive.