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re: Mississippi River - How Long would it continue to flow without precipitation?
Posted on 10/18/21 at 5:34 pm to aTmTexas Dillo
Posted on 10/18/21 at 5:34 pm to aTmTexas Dillo
quote:
This is not particularly a problem except for New Orleans and some of the industry using Mississippi fresh water south of Baton Rouge.
When we lived in NOLA, Plaquemines got their water from the river, and the salt water wedge that is under river fresh water was growing (upwards as well as up stream) and getting very close to the Parish's fresh water inlet. It was a dry summer up stream, just not enough fresh water to keep the salt water pushed out.
Surely some gubment (sic) study came up with an answer?
0
Posted on 10/18/21 at 7:40 pm to Snoop Dawg
quote:
If you go following the largest volume stream at every fork, the headwaters are in Pennsylvania, just south of the New York state line.
Looks very modest at its origin:
LINK
A few miles from that spot is a triple drainage divide - Great Lakes/Atlantic Ocean/Gulf of Mexico.
Posted on 10/18/21 at 8:10 pm to Bestbank Tiger
Fun fact - the Mississippi River actually flows into the Missouri River and is misnamed downstream from their confluence. The entire Mississippi River Delta is actually the Missouri River Delta.
Why? When they named the rivers they didn't realize how far west and how massive the Missouri River basin is. It's actually the major river. From their confluence point the Missouri River is twice as long and drains three times the land area than the Mississippi.
Why? When they named the rivers they didn't realize how far west and how massive the Missouri River basin is. It's actually the major river. From their confluence point the Missouri River is twice as long and drains three times the land area than the Mississippi.
This post was edited on 10/18/21 at 8:13 pm
Posted on 10/18/21 at 8:18 pm to Emteein
I would guess the same amount of time it takes a small piece of wood to float from the source to the mouth.
Posted on 10/18/21 at 9:21 pm to SoDakHawk
quote:
Fun fact - the Mississippi River actually flows into the Missouri River and is misnamed downstream from their confluence. The entire Mississippi River Delta is actually the Missouri River Delta.
Why? When they named the rivers they didn't realize how far west and how massive the Missouri River basin is. It's actually the major river. From their confluence point the Missouri River is twice as long and drains three times the land area than the Mississippi.
The Ohio is also larger than the upper Mississippi.
Posted on 10/18/21 at 9:25 pm to Cymry Teigr
quote:USGS - Streamer
To get an idea of the drainage area you should use this tool from the USGS:
Thanks for the super cool geography rabbit hole.
Posted on 10/18/21 at 9:54 pm to SoDakHawk
quote:
Fun fact - the Mississippi River actually flows into the Missouri River and is misnamed downstream from their confluence. The entire Mississippi River Delta is actually the Missouri River Delta. Why? When they named the rivers they didn't realize how far west and how massive the Missouri River basin is. It's actually the major river. From their confluence point the Missouri River is twice as long and drains three times the land area than the Mississippi.
Fun Fact - the Missouri and Mississippi are tributaries of the larger Ohio River. Why? Because combined they still produce less water at the junction in Cairo. Under most naming conventions, Ohio should have won out.
More fun facts - smaller (by water volume) rivers keeping their name past a junction with a larger river (by water volume) in the USA:
Mississippi < Ohio
Missouri < Yellowstone
Clark Fork < Flathead
Okanogan < Similkameen
I’m sure there are others out there as well.
Posted on 10/18/21 at 11:15 pm to Snoop Dawg
I’ve always wondered why it remained the Mississippi when the Ohio carried more water, I thought that was typically how it was determined which carried forward
It would be so much cooler if the “Missouri River” was called the “Yellowstone River” all the way down to the gulf….
It would be so much cooler if the “Missouri River” was called the “Yellowstone River” all the way down to the gulf….
Posted on 10/19/21 at 9:40 am to Wishnitwas1998
quote:
I’ve always wondered why it remained the Mississippi when the Ohio carried more water, I thought that was typically how it was determined which carried forward
I'd imagine because when the explorers were coming up from the gulf they didn't know the two rivers met, so they stuck with the name the natives called it in the gulf area. They just never changed it.
Posted on 10/19/21 at 10:03 am to SoDakHawk
quote:
Fun fact - the Mississippi River actually flows into the Missouri River and is misnamed downstream from their confluence. The entire Mississippi River Delta is actually the Missouri River Delta.
Why? When they named the rivers they didn't realize how far west and how massive the Missouri River basin is. It's actually the major river. From their confluence point the Missouri River is twice as long and drains three times the land area than the Mississippi.
After a little research:
Missouri river is longer and drains a larger area but the volume of water is much less than the Upper Mississippi.
Missouri average discharge: 87,520 cu ft/s
Upper Mississippi average discharge: 204,700 cu ft/s
I'm assuming the areas drained by the missouri are much more of a dryer climate, then what the mississippi drain.
Both of these rivers pale in comparison to the Ohio River whose discharge averages 281,000 cu ft/s
So if we going off of water volume it should all be the ohio, if we are going off length and area then missouri, however they are are all united and ultimately discharge in the same place into the Gulf of Mexico in Louisiana, so it should be named the Louisiana River.
Posted on 10/19/21 at 10:21 am to Emteein
Using the USGS tool, select 'Trace Upstream' then click on the mouth of the Mississippi. Interesting result...
Posted on 10/19/21 at 10:23 am to Bestbank Tiger
This is mesmorizing to me
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