How far up a river does salt water become fresh water?

Geography Komentarze (4) »

Oliver Gifford asked:


In other words, how far up a river does one need to go before water is fresh enough to drink?

What factors can influence this?

How long does it take for river water to go down?

Geography Komentarze (2) »

skater boy asked:


I live near a really long river that stretches on for more than a Hundred miles and lately it has been raining almost every day and the river water has gone up.(4 feet) The last time it rained was a couple days ago, so the weather might be back to normal. If that’s the case how long should it take for the river water to get back to normal?

What is the best river for white water rafting?

Geography Komentarze (5) »

AshleyB asked:


I am going on a road trip with my twin sister, two cousins and my uncle. Doesn’t matter about the age. What river is the best? I want intense waters and EXTREME sports. Any ideas? Also if you know any place that can teach me how to cave dive that would be awesome.

What river should I do an overnight canoe trip in Colorado?

Geography Komentarze (1) »

jeremy asked:


I’m looking for a river that has good fishing, great scenery, and no more than class III rapids. We are looking to go in late May. Any suggestions?

Thanks in advance!

What are the extensive effects that river flow and river presence has on plant life?

Geography Komentarze (1) »

thekrimson asked:


I need to know the impact that river flow has on the anchorage of plant life and other functions in general.
If possible, please list main terms and a useful website as a source. Please do not comment with just a “I don’t know”. Those are very agitating. Thank you to all who can help!

Why are some rivers called the river X and others called the X river?

Geography Komentarze (1) »

Lucy L asked:


For example the River Thames compared to the Colorado River. Is there a reason why this happens?

What river goes through england,london, and empties to the north sea?

Geography Komentarze (5) »

nessa asked:


Also,
What body of water is between North England and france?
What river is in france, the city of paris?
What body of water is between atlantic and great britain and european continent?
What river originates in the alps in switzerland and flows north sean in the netherlands?

How long do I boil river water to make it safe to drink?

Geography Komentarze (10) »

-NF- asked:


My friends and I are planning a weekend camping and canoe trip in Maine in a few weeks on the Saco River. We’re planning on bringing bottled water with us for drinking, but using the river water for cooking.

The river “looks” pristine but I know it’s not safe to drink without boiling.

How long should we plan on boiling the water before we use it to cook with?

Why does a river that flows west toward the ocean appear to have waves that flow from west to east?

Geography Komentarze (2) »

Damian S asked:


Specificaly the Multnomah chanel of the Willamette River in Portland OR, US. At night and early in the morning on cloudy days the river is calm and glass like. But after the sun comes up there are waves. Usually the waves are small and move west with the rivers current but occasionaly the waves are large and flow east against the current. I know it can’t be attributed to boats going by because when they do the waves rush toward the banks and crash into the eastern flowing waves.

How do i clean river rocks for my turtle enclosure?

Geography Komentarze (3) »

Sofiakat asked:


Today I gathered some medium rocks from the river for my turtle. They are slimy. Does anyone know an easy way to clean them?

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