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Old 12-11-2014, 08:30 PM
Status: "Summer!" (set 15 days ago)
 
Location: Foot of the Rockies
86,981 posts, read 102,527,356 times
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Pittsburgh is the greenest:
Urban Tree Canopy - National Geographic
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Old 12-11-2014, 08:48 PM
 
Location: 98004 / 30327
561 posts, read 486,389 times
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Quote:
Originally Posted by Katiana View Post
Pittsburgh is the greenest:
Urban Tree Canopy - National Geographic
Nope. Just among those 9 randomly selected cities.
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Old 12-11-2014, 10:17 PM
Status: "Summer!" (set 15 days ago)
 
Location: Foot of the Rockies
86,981 posts, read 102,527,356 times
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Quote:
Originally Posted by paris-on-ponce View Post
Nope. Just among those 9 randomly selected cities.
Nobody has posted about a greener one yet.
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Old 12-12-2014, 06:58 AM
 
Location: 98004 / 30327
561 posts, read 486,389 times
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Quote:
Originally Posted by Katiana View Post
Nobody has posted about a greener one yet.
Yes, they have. Through 7 pages of this thread, many people have. Just need to go back and read them. Atlanta's tree cover is 53.9 %.

http://www.itreetools.org/Canopy/res...Greenfield.pdf
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Old 12-12-2014, 07:23 AM
Status: "Summer!" (set 15 days ago)
 
Location: Foot of the Rockies
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None of the charts in that link support your statement, and that's the highest figure I've seen for Atlanta.
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Old 12-12-2014, 07:27 AM
 
Location: 98004 / 30327
561 posts, read 486,389 times
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Quote:
Originally Posted by Katiana View Post
None of the charts in that link support your statement, and that's the highest figure I've seen for Atlanta.
That chart contains the exact same figures from your Nat Geo post.

Table 2. Look at the "Total" column on the right. Tree/shrub totals are in the 2nd row. Pittsburgh's at 41.9%. Houston's at 30.3%. NYC's at 20.9%. Portland's at 31.5% ... etc, etc. And Atlanta is at 53.9%.

Atlanta is also called out specifically in long form explanation in this paragraph on page 23:

Results

Of the 20 cities analyzed, tree cover ranged from 53.9 percent in Atlanta to 9.6 percent in Denver; building impervious cover ranged from 27.1 percent in Chicago to 4.8 percent in Kansas City; road and other impervious cover ranged from 36.2 percent in Miami to 12.3 percent in Nashville; and total impervious cover varied from 61.1 percent in New York City to 17.7 percent in Nashville (Table 2). Two cover classes – tree/shrub and bare soil generally exhibited a reduction in percent cover, while the other land classes generally exhibited an increase in cover.


These are figures from the US Forestry Service. National Geographic gets their figures from here.

Last edited by paris-on-ponce; 12-12-2014 at 07:35 AM.. Reason: better explain
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Old 12-12-2014, 09:04 AM
 
Location: Bel Air, California
21,318 posts, read 21,867,229 times
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Quote:
Originally Posted by paris-on-ponce View Post
That chart contains the exact same figures from your Nat Geo post.

Table 2. Look at the "Total" column on the right. Tree/shrub totals are in the 2nd row. Pittsburgh's at 41.9%. Houston's at 30.3%. NYC's at 20.9%. Portland's at 31.5% ... etc, etc. And Atlanta is at 53.9%.

Atlanta is also called out specifically in long form explanation in this paragraph on page 23:

Results

Of the 20 cities analyzed, tree cover ranged from 53.9 percent in Atlanta to 9.6 percent in Denver; building impervious cover ranged from 27.1 percent in Chicago to 4.8 percent in Kansas City; road and other impervious cover ranged from 36.2 percent in Miami to 12.3 percent in Nashville; and total impervious cover varied from 61.1 percent in New York City to 17.7 percent in Nashville (Table 2). Two cover classes tree/shrub and bare soil generally exhibited a reduction in percent cover, while the other land classes generally exhibited an increase in cover.


These are figures from the US Forestry Service. National Geographic gets their figures from here.
this certainly supports what many have observed to be the barren treelessness of Denver
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Old 12-12-2014, 10:15 PM
 
Location: Metro Atlanta & Savannah, GA - Corpus Christi, TX
4,471 posts, read 7,285,775 times
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Wow. I'm surprised only one person mentioned Savannah. I'd say it has as many, if not more trees than Atlanta. The only ground not covered by trees is marshland... and buildings.
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Old 12-13-2014, 05:43 PM
 
Location: Austin
596 posts, read 675,495 times
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Quote:
Originally Posted by paris-on-ponce View Post
That chart contains the exact same figures from your Nat Geo post.

Table 2. Look at the "Total" column on the right. Tree/shrub totals are in the 2nd row. Pittsburgh's at 41.9%. Houston's at 30.3%. NYC's at 20.9%. Portland's at 31.5% ... etc, etc. And Atlanta is at 53.9%.

Atlanta is also called out specifically in long form explanation in this paragraph on page 23:

Results

Of the 20 cities analyzed, tree cover ranged from 53.9 percent in Atlanta to 9.6 percent in Denver; building impervious cover ranged from 27.1 percent in Chicago to 4.8 percent in Kansas City; road and other impervious cover ranged from 36.2 percent in Miami to 12.3 percent in Nashville; and total impervious cover varied from 61.1 percent in New York City to 17.7 percent in Nashville (Table 2). Two cover classes tree/shrub and bare soil generally exhibited a reduction in percent cover, while the other land classes generally exhibited an increase in cover.


These are figures from the US Forestry Service. National Geographic gets their figures from here.
That site also lists Albuquerque at 40.8%, approximately equal to Pittsburgh. I don't understand how they arrive at their numbers when the two places have such radically different appearances.
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Old 12-13-2014, 06:13 PM
 
Location: 98004 / 30327
561 posts, read 486,389 times
Reputation: 887
Quote:
Originally Posted by EricNorthman View Post
That site also lists Albuquerque at 40.8%, approximately equal to Pittsburgh. I don't understand how they arrive at their numbers when the two places have such radically different appearances.
I agree it does seem anomalous. But if you read from the top of page 23 in that document, the US forest service explains how they classified Albuquerque, specifically. Essentially, they measure 7 categories:

trees/shrubs
grass (herbaceous cover)
bare soil
water
impervious (bldgs)
impervious (roads)
impervious (other)

Because of the unique (to this study anyway) desert vegetation of Albuquerque, they designated an 8th category of trees/shrubs.

I would add that Albuquerque is actually very green. Surprisingly so, given its desert environs.
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