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Old 11-03-2010, 03:00 PM
 
Location: The Greatest city on Earth: City of Atlanta Proper
8,485 posts, read 14,994,819 times
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Quote:
Originally Posted by DANNYY View Post
Yeah like I honestly haven't seen a case for a duo set of cities to reach this status, which is why if Baltimore & Washington DC do, its just strange to me what they'll officially be called. (Hence why I made the thread NOT to "prop up Chicago")
I totally understand what you're saying, is there any other example currently existing for this type of definition? Like somewhere else in the world.
I posted it before just a second ago, but it's worth point out again for this specific example you cite:


Osaka, Kobe, and Kyoto join up Voltron style to create the Keihanshin Mega city or region, depending on how you look at it.


Keihanshin from space. Osaka in the middle, Kobe to the left, and Kyoto to the northwest.

It's like the Bay Area on crack laced with steroids.
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Old 11-03-2010, 03:02 PM
 
Location: Austin, TX/Chicago, IL/Houston, TX/Washington, DC
10,138 posts, read 16,043,145 times
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Quote:
Originally Posted by HenryAlan View Post
The answer is fairly obvious, isn't it? To be labeled as megacities, each would need to anchor a distinct metro of 10+ million people. It doesn't matter that there are two poles rather than one.
I thought it would be HenryAlan, but its very confusing, take this except for example:
Quote:
A megacity can be a single metropolitan area or two or more metropolitan areas, which have grown to such an extent, that they now form one urban area.
Megacities Definition

I just don't know how to approach that definition with proper terminology, it seems childish but it makes me curious as to the proper terminology that much more.

In general its definition and terminology course are what really confuse me, thus I made a thread, maybe expecting to learn something new for a change and keep a good conversation rolling.

To NJPhilliesPhan: Megacities Definition
I told you, I'm not making definitions up!
Excerpt from the article:
Quote:
A megacity is defined by the United Nations as a metropolitan area with a total population of more than 10 million people. Some definitions also set a minimum level for population density (at least 2,000 persons/square km).
A megacity can be a single metropolitan area or two or more metropolitan areas, which have grown to such an extent, that they now form one urban area.
NJPhilliesPhan, the one thing New York City is that no other American city is though is a Hypercity, a city with 20 Million people and more. You get your win, New York City is a Hypercity, but New York City, Los Angeles, & Chicago (soon will be) are Megacities.

Definition of Hypercity:
Quote:
The terms metacity or hypercity are also sometimes used to describe cities with more than 20 million people.
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Old 11-03-2010, 03:04 PM
 
4,692 posts, read 9,304,031 times
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Quote:
Originally Posted by waronxmas View Post
You know, I would place Cairo in the mega city realm.

Lagos, is close, very close, but not quite yet as they haven't really set themselves out yet on the global economic stage. There are somethings I've heard behind the scenes from people who operate in that world that should make things very interesting for them over the next few decades.

For some reason, I've never really thought of Jo'burg as a mega city, but I just checked and they sure enough have 10,000,000 people in their metro. I guess it's because they don't make a huge splash on the international scene. It's on my "must go" list though.
I'm glad to see my hard work paying off. Lol.
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Old 11-03-2010, 03:26 PM
 
Location: The canyon (with my pistols and knife)
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2,000,000+ = megacity
10,000,000+ = megametro
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Old 11-03-2010, 03:32 PM
 
531 posts, read 1,143,716 times
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lmao. i think the terms 'extra small', 'small', 'medium' 'large' and 'extra large' do just fine. city sizes can be adequately described by using the same 'size scale' you use when buying a t-shirt lol. no need for these stupid terms.
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Old 11-03-2010, 03:32 PM
 
301 posts, read 639,983 times
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Quote:
Originally Posted by DANNYY View Post
NJPhilliesPhan, the one thing New York City is that no other American city is though is a Hypercity, a city with 20 Million people and more.
this makes sense that NY is classified as a Metacity or Hypercity
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Old 11-03-2010, 03:34 PM
 
Location: Denver
6,625 posts, read 14,456,812 times
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Quote:
Originally Posted by Gnutella View Post
2,000,000+ = megacity
10,000,000+ = megametro
2,000,000 in the inner 100 square miles seems better to me. Under those parameters, Houston would be a megacity.
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Old 11-03-2010, 03:48 PM
 
Location: Austin, TX/Chicago, IL/Houston, TX/Washington, DC
10,138 posts, read 16,043,145 times
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Quote:
Originally Posted by tmac9wr View Post
2,000,000 in the inner 100 square miles seems better to me. Under those parameters, Houston would be a megacity.
Nah he meant both as Metros.
Haha I think his post was a bit sarcastic actually (Don't know for sure), I thought back to it, and he's from Pittsburgh (Metro of 2 Million+).

Everyones just trying to have fun, hahaha. I guess.
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Old 11-03-2010, 03:58 PM
 
531 posts, read 1,143,716 times
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how bout micro-cities and nano-cities?
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Old 11-03-2010, 05:41 PM
 
Location: Boston
1,214 posts, read 2,519,304 times
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Quote:
Originally Posted by DANNYY View Post
You mean hypothetically or realistically? Because every time someone talks about their merger I run the figures with the formula for Commuter Rates and I get nearly identical for New York City- Philadelphia, Los Angeles- San Diego, & Chicago- Milwaukee and that is 1.8% or so direct rates.

Here is the Formula I personally use:

E = ((Xb + Xc + Xh + Xt + Xw) / (Rb + Rc + Rh + Rt + Rw)) + ((Yb + Yc + Yh + Yt + Yw) / (Wb + Wc + Wh + Wt + Ww))

When you run it off from a given location to another it is like this:Xb = 121
Xc = 553
Xh = 2,504
Xt = 1,119
Xw = 269

Rb = 26,114
Rc = 13,250
Rh = 49,578
Rt = 433,064
Rw = 127,639

Yb = 47
Yc = 269
Yh = 4,731
Yt = 5,063
Yw = 398

Wb = 13,484
Wc = 6,385
Wh = 36,499
Wt = 523,209
Ww = 89,487


So, when you plug in the numbers:

E = ( (121 + 553 + 2,504 + 1,119 + 269) / (26,114 +13,250 + 49,578 + 433,064 + 127,639) ) + ( (47 + 269 + 4,731 + 5,063 + 398) / (13,484 + 6,385 + 36,499 + 523,203 + 89,487) )

E = (4,566 / 649,645) + (10,508 / 669,058)

E = 0.007 + 0.016

E = 0.023 x 100% = 2.3%

CSA = 15%
MSA = 25%
In 1999 they were at: 2.3%

That was when I did the calculations for San Antonio & Austin from the 1999 numbers. It hasn't changed that much to the present numbers either way. I think people think like this, 15% from Mercer County commute to Philadelphia & 15% from Mercer County commute to New York City, so that should be the "hip bone" that joins them. No, its from the core county to the core county, and good luck at 55 miles or higher getting 500,000 commuters on a daily basis to become a CSA. Only heavy rail between the two for mass lifting can make them a CSA, and it will need to get people to ride it also. I mean I read my textbook, got the formula, went over how they calculate it, and then I read posts on here and its just completely the opposite reasoning of what it really is. If posts on here were true they would already in this census become apart of the same CSA if all it takes is Mercer County to connect them, but it doesn't.

I think I might be missing something in detail facts though. I am just not getting the idea of how they can combine, what is the virtual concept behind it and is it possible to merge off a similar county or does it have to be core county to core county? The way I learned to do it from my book was core county to core county, and it stated that logistically that is the only way to do it. So can someone help me out here, what am I missing?

Anyways back to the topic at hand, I think I've derailed this thread enough haha. Its just weird because I cant see Washington-Baltimore being even remotely as popular as a term as Dallas-Fort Worth & even San Francisco-Oakland.
My mistake, I was always told it was just Mercer County that was needed. Also, please don't math at me lol, my head's already pounding, no need to make it worse.

Hmm, also, I guess most people just skipped over this. Some of it might be a bit arbitrary, but that wasn't really the question here lol.

Quote:
Originally Posted by missRoxyhart View Post
People get these terms mixed up too often, but they're not really supposed to be interchangeable.

-A Megacity is a city/metro of over 10,000,000, like NYC or LA.
-A Megalopolis is a group of closely integrated cities that form one giant, pretty much continuous urban area, like a giant city region, like Bos-Wash, the only one we have.
-A Megaregion is kinda like a megalopolis but not the same. It's a group of cities that has huge power over a region like a megalopolis, and it could be a potential future megalopolis, but there's too much space between the cities and not enough integration to be a true megalopolis. It's like the Cascadia megaregion, SoCal, NorCal, or the Texas Triangle.
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