Tonle Sap River:
A short distance from the town of Siem Reap lies Tonle Sap, South East Asia's largest lake - your first reaction might be this is not a lake, but a sea. Tonle Sap is massive and the heart of central Cambodia, feeding not only the local population but also most of the country with its abundant marine life and the fertile silt that it deposits upon the surrounding land when the floodwaters recede. As Asia’s largest inland lake, it is a remarkable natural wonder. The Tonle Sap River, which is a tributary of the Mekong, is unique in that it reverses its flow uphill for half of each year. This is caused by a combination of seasonal rainfall and the huge volume of water entering the Mekong from the Himalayas. This increase in the flow of the Mekong is so great that water is deflected up the Tonle Sap. The lake also changes dramatically in terms of size throughout the year – in the dry season (November – February) it covers 3,000km², but with the coming of the wet season in June it expands to 10 times that area and by around 12m in depth.
2007-03-12 01:36:10
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answer #1
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answered by Tiger Tracks 6
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If you were to look at the river bed, with the water taken away, you would see that most rivers go "up and down hills". During floods, you can see this quite dramatically. The river in Cambodia experiences a regular flooding event.
However, the basic fact is that water is controlled by gravity, and will flow from higher ground to lower ground. It is the level of the water, not the level of the ground, that determines how it gets there.
2007-03-12 11:07:07
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answer #2
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answered by Anonymous
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Rivers flow from higher to lower ground, almost always North to South. However, in Asia, some rivers flow South to North, such as the Ob river in Russia, and even in North America, the Mackenzie river in Canada flows south to north. Gravity is a law. No natural river flows uphill.
2007-03-12 08:41:22
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answer #3
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answered by Jrahdel 5
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During the rainy season, the rivers flowing into theTonle Sap have so much water in them that they reverse their course.
2007-03-14 01:49:20
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answer #4
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answered by sazerac 1
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No rivers flow uphill. By the way.... North is not uphill. Water that moves in the opposite direction from gravity is pumped.
2007-03-12 10:40:49
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answer #5
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answered by Surveyor 5
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The Nile flows North if that's what you were asking.
2007-03-15 01:26:26
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answer #6
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answered by paulmejia 2
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You are partly correct
In the rainy season there is so much water flowing down the Mekong that many of the smaller rivers back up, forming Tonle Sap ( Great Lake ), South East of Angkor (Angkor Wat ).
2007-03-12 18:51:52
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answer #7
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answered by Murray H 6
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What happened about that Gravity Stuff
2007-03-12 08:36:01
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answer #8
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answered by 1/Cos c 2
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Lol, step into a mirror and everything will go the other way.
Lol.
2007-03-12 08:33:01
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answer #9
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answered by Anonymous
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