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Topic: Rivers of the World


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  rivers of north america united states canada mexico central america
This Texas river begins in the northern part of the state in Stonewall County, and flows southeast into Brazoria County and the Gulf of Mexico.
It is the major river of North America and the United States at (2,339 miles) (3,765 km) in length.
It is one of the longest rivers in North America at (1,885 miles) (3,034 km).
www.worldatlas.com /webimage/countrys/nariv.htm   (897 words)

  
 Great Rivers Partnership - The World's Great Rivers
Their significance to humanity was a driving force behind the creation of the Great Rivers Partnership, an ambitious effort to guide protection of the world’s imperiled freshwater systems and transform the way large working river systems are preserved and protected.
The delicate balance between humans and rivers began to change in the 1900s, when people started to think of rivers primarily as agents of economic and social opportunity, simply waiting to be sculpted.
Science and conservation efforts at these sites will be integrated by the Great Rivers Center for Conservation and Learning, the science center of the partnership, working to ensure experiences and lessons are captured at these sites and applied to the other great rivers of the world.
www.nature.org /wherewework/greatrivers/projects   (560 words)

  
 Rivers - EnchantedLearning.com
Rivers are an important part of the Earth's water cycle and the sculpting of the Earth's topography as they carry huge quantities of water from the land to the sea.
Rivers often have increased volume and water speed in the spring, as snow at the river's source melts.
As eroded soil is carried downstream, it is deposited at areas where the river slows, especially where the river meets the body of water it flows into (often the ocean or a lake), forming a fertile river delta that has muddy swamps and/or sandbars.
www.enchantedlearning.com /geography/rivers   (766 words)

  
 Rivers Quizzes and Rivers Trivia -- FunTrivia
Rivers were a major factor in the building of this county.
The world's ten longest rivers; a brief description will be given of each of them, and you have to say which ones they are.
This quiz deals mostly with the larger rivers of the world with a few smaller ones tucked in between.
www.funtrivia.com /quizzes/geography/physical_geography/rivers.html   (719 words)

  
 Rivers
Streams that flow at a river source are the headwaters and are at the river's highest elevation.
River Resource encourages the study of all aspects of rivers: their present, past, and future; their social and natural history; their ecology, folklore and legends; their music, literature, and art.
Rivers are the cradles of civilization and they play an important part in the life of those who live near it.
www.42explore.com /rivers.htm   (2286 words)

  
  River Systems of the World
River water is diverted for agricultural irrigation, industry, hygiene, and related uses.
Where possible, diverted water may be returned to the river clean and near the point of diversion; specifically, some municipal water supplies treat their sewage and return fairly clean water to the river.
Most rivers are not so lucky: either the water comes back contaminated with pollutants, or not at all.
www.rev.net /~aloe/river   (474 words)

  
  River - MSN Encarta
River, any body of fresh water flowing from an upland source to a large lake or to the sea, fed by such sources as springs and tributary streams.
A watershed is bounded by the ridges or hilltops that divide it from adjacent watersheds, or drainage basins.
The third zone of a river is the zone influenced by the ocean or lake where the river ends.
encarta.msn.com /encyclopedia_761569915/River.html   (2030 words)

  
 World's Top 10 Rivers at Risk « Stolen Moments: A Green Digest   (Site not responding. Last check: )
Rivers are the world’s main source of fresh water and WWF says about half of the available supply is already being used up.
The major causes threatening the rivers in India are water over-extraction in the case of the Ganges and climatic change in the case of the Indus.
The 12th longest river in the world, the Mekong runs 4,800 kilometers from its headwaters on the Tibetan Plateau through Yunnan Province of China, Burma, Thailand, Cambodia, Lao PDR and Vietnam.
timethief.wordpress.com /2007/03/20/worlds-top-10-rivers-at-risk   (877 words)

  
 [No title]   (Site not responding. Last check: )
GENEVA (Reuters) - Many major rivers in the world are at risk of drying out because of climate change and dam construction, which could affect fresh water supplies and marine life, the global nature protection body WWF said on Tuesday.
Rivers are the world's main source of fresh water, and about half of the available supply is already being used up, he said.
Dams have destroyed habitats and cut rivers off from their flood plains, while climate change could alter the rules by which rivers have lived by for thousands of years, the report said.
today.reuters.co.uk /news/articlenews.aspx?type=topNews&storyid=2007-03-20T001707Z_01_L19577735_RTRUKOC_0_UK-WWF-RIVERS.xml&src=rss   (292 words)

  
 world help: what are the five longest rivers in the world - Help.com
A river is a natural waterway usually formed by water derived from either precipitation or glacial meltwater, and flows from higher ground to lower ground.
A river may have its source in a spring, lake, from damp, boggy places where the soil is waterlogged, from glacial meltwater, or simply from rain flowing off impermeable rock or man-made surfaces.
Throughout the course of the river, the total volume transported downstream will often be a combination of the free water flow together with a substantial contribution flowing through sub-surface rocks and gravels that underlie the river and its floodplain.
help.com /post/16241-what-are-the-five-longest-rivers-in   (601 words)

  
 The Longest Rivers in the World
For instance, the Ob-Irtysh River, which is Number 5 on the list, is 3,362 miles long from its source in southern Russia to its mouth in the Ob Bay, in the very cold waters off northern Russia.
The Lena River, at Number 7, flows north through central Russia and is 2,734 miles long.
America's longest river is also Number 9: the Mackenzie, in Canada, at 2,635 miles.
www.socialstudiesforkids.com /articles/geography/longestriversintheworld.htm   (213 words)

  
 Third Grade - Geography - Lesson 11 - Important Rivers of the World
Tell the students that although rivers are noted for their length--the longest river on a continent, the longest river in the world--rivers are also well known because of the area of land that the river and its tributaries drain water from.
Remind the students that although rivers are noted for their length--the longest river on a continent, the longest river in the world--rivers are also well known because of the area of land that the river and its tributaries drain water from.
Have the students notice that the rivers have names that are almost the same as one of the countries through which the rivers flow.
www.cstone.net /~bcp/3/3MGeo.htm   (2034 words)

  
 World Campaign - Activate
More than half the world's major rivers are going dry or are polluted, the World Commission on Water for the 21st Century warned in a report released today in Washington.
Of the 500 major rivers in the world, the Amazon River in South America and the Congo River in sub-Saharan Africa are the healthiest because they have few industrial centers near their banks, the Commission said.
Contamination of rivers and river basins displaced an estimated 25 million environmental refugees last year, a number that exceeded for the first time the world's 21 million refugees from warfare, the commission reported.
www.worldcampaign.net /forum/view.php?id=16   (418 words)

  
 Map of World Geography: Mountains and Rivers, Deserts and Rain Forests
Here are the major rivers, mountains, deserts and rainforests that have influenced and continue to influence where and how human beings live on the earth.
Knowing where the Gobi desert, the Yangtze river, the Himalayan mountains are helps to orient a student in the world in a meaningful way.
Our world is not just continents and seas, but also the mountains and deserts that separated cultures and the rivers and lakes that provided places to live and farm.
www.yourchildlearns.com /world-features-map-puzzle.htm   (360 words)

  
 Guides to the World for Canoeing, Kayaking and Rafting
Covers famous whitewater rivers around the world, with maps, mile-by-mile descriptions, stories from boaters who have run them, and info on planning your own expeditions to these world-class rivers.
River of the Upper Ottawa Valley by Wilson.
Canoeing, kayaking and rafting on numerous rivers in the tropical paradise of Costa Rica.
www.nationalrivers.org /resource/g-world.htm   (572 words)

  
 Journey Along A River - River Facts - Major Rivers of the World
Fifth longest river in the world and second in the amount of water carried.
Australia's longest river; it is a tributary of the Murray, but is mostly dry in winter.
China's longest river; third longest river in the world; after the Nile and the Amazon.
www.swgfl.org.uk /rivers/row.htm   (189 words)

  
 Cruising the Rivers of the World; Cruise Ship Ports and Cruising Regions
RIVERS OF THE PACIFIC NORTHWEST: The Columbia, Snake and Willamette Rivers.
RIVERS OF THE WILDERNESS REGION: The Kanawha reveals West Virginia's beauty; the Tennessee features rugged scenery, Victorian neighborhoods and Civil War history at Shiloh; the tranquil Cumberland boasts of Davy Crockett, Sam Houston and Nashville, the home of country music.
MURRAY RIVER: This is the world's fifth-largest river.
www.cruisemates.com /articles/ports/rivers-world.cfm   (769 words)

  
 Nile Basin Initiative: FAQ about the NBI
The World Bank, at the request of the Nile Council of Ministers, has supported and facilitated the development of the NBI, and is coordinating international support to NBI projects.
The World Bank believes that the NBI provides a unique forum for the Nile states to pursue cooperative economic development and environmental management, which is fully in line with the World Bank's mission to fight poverty.
The World Bank is committed to supporting the NBI and will respond to the financial requests by the Nile countries on a case by case basis.
www.worldbank.org /afr/nilebasin/faq.htm   (429 words)

  
 WWF: World's Top 10 Rivers in Risk of Dying - Science - RedOrbit
The report, launched ahead of "World Water Day" today, also cited the Rio Grande in the United States, the Mekong and Indus in Asia, Europe's Danube, La Plata in South America and Australia's Murray- Darling as in need of greater protection.
Dams have destroyed habitats and cut rivers off from their flood plains, while climate change could affect the seasonal water flows that feed them, the report said.
The Yangtze basin is one of the most polluted rivers in the world because of decades of heavy industrialization, damming and huge influxes of sediment from land conversion.
www.redorbit.com /news/science/877600/wwf_worlds_top_10_rivers_in_risk_of_dying/index.html?source=r_science   (347 words)

  
 What are the Longest Rivers in the World?
The second and third longest river in the Amazon system, the Madeira and the Purus, respectively, are also the nineteenth and twentieth longest rivers in the world, while the two major portions of the Mississippi-Missouri-Red Rocks system are the sixteenth and seventeenth longest rivers in the world, respectively.
The next longest river in Europe, after the Volga, is the Danube, which ranks as the twenty-seventh longest river in the world.
Nearly half of the twenty longest rivers in the world are in Asia.
www.wisegeek.com /what-are-the-longest-rivers-in-the-world.htm   (265 words)

  
 Ahoy - Mac's Web Log - The Top Ten Rivers of the World
It has three major rivers contributing to it, the Blue Nile with its source in Ethiopia near Lake Tana, north of Khartoum, the White Nile and Blue Nile are joined by the Atbara, which also was born in the highlands of Ethiopia.
The third longest river in the world, and the longest in Asia, the Yangtze has its headwaters at 16,000 feet in the South West section of Qinghai, and moves south and then east through the three gorges.
The Lena River is born in the mountains west of Lake Baikal, in south eastern Siberia, and to its mouth on the Laptev Sea in the Arctic it drains some 961,000 square miles.
ahoy.tk-jk.net /macslog/TheTopTenRiversoftheWorld.html   (2051 words)

  
 Amazon River; world's greatest river
The Amazon is the greatest river in the world by so many measures; the volume of water it carries to the sea (approximately 20% of all the freshwater discharge into the oceans), the area of land that drains into it, and its length and width.
It is one of the longest rivers in the world and, depending upon who you talk to, is anywhere between 6,259km/3,903mi and 6,712km/4,195mi long.
The mouth of the Amazon River, where it meets the sea, is so wide and deep that ocean-going ships have navigated its waters and traveled as far inland as two-thirds the way up the entire length of the river.
www.extremescience.com /AmazonRiver.htm   (802 words)

  
 Death of the World's Rivers   (Site not responding. Last check: )
The world's great rivers are drying up at an alarming rate, with devastating consequences for humanity, animals and the future of the planet.
From the Nile to China's Yellow River, some of the world's great water systems are now under such pressure that they often fail to deposit their water in the ocean or are interrupted in the course to the sea, with grave consequences for the planet.
Some 45,000 big dams now block the world's rivers, trapping 15 per cent of all the water that used to flow from the land to the sea.
www.truthout.org /issues_06/031306EC.shtml   (1807 words)

  
 Investigating Rivers - River World
River World has resources for children and teachers on rivers, waterways and water in our homes.
Rivers of the World contains articles on local, national and global rivers, with key facts, maps and photos.
Teacher Planning addresses the topics of Rivers and Water according to the Geography QCA document, and is organised under key questions, with linked activities.
www.kented.org.uk /ngfl/subjects/geography/rivers   (215 words)

  
 World’s Rivers Imperiled   (Site not responding. Last check: )
Of the 500 major rivers in the world, the Commission found the healthiest are the Amazon in South America and the Congo in sub-Saharan Africa.
The Nile River, for example, has 90 percent of its flow diverted for crop irrigation or lost to evaporation; by the time its waters flow into the Mediterranean, they are heavily polluted with irrigation drainage and industrial and municipal wastes.
The Colorado River in the U.S., which is used to irrigate over 3.7 million acres of farmland, is so polluted and diminished that its downstream reaches have been transformed “from lush green to salty and desolate marshes,” according to an account in the The New York Times on November 29.
baltimorechronicle.com /rivers_dec99.html   (293 words)

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