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prominence · Topographic prominence discussion

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  • Members: 157
  • Category: Outdoors
  • Founded: Aug 3, 2000
  • Language: English
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512 Edward "7.389056099" ...
edwardurl Offline Send Email
Jun 6, 2002
5:33 am
David Metzler, who has been having e-mail trouble with Yahoo, has asked me to post this on his behalf....
513 Bob Bolton
rfbolton Offline Send Email
Jun 6, 2002
6:41 am
Oh yeahhh, you guys are definitely on the right track!! :-)) I love it (big surprise)!!! I recall in our earlier conversations trying to make the case that...
514 metzlerdavid Offline Send Email Jun 6, 2002
6:30 pm
... to the ... I started out doing them by hand but recently both Edward and I have put it on the computer. One can use the digital data freely available from...
515 bigdan_boise Offline Send Email Jun 6, 2002
10:41 pm
Can you check on Castle Peak in Idaho? It is officially listed as a pillar in the USGS database. It is named on the quad. -Dan ... asked me to ... terrain. ......
516 Ivan Ash
jivanivan Offline Send Email
Jun 7, 2002
12:51 pm
Be aware that the data from USGS GNIS may be seriously in error. In the list of 4,000 footers for NC, yet to be posted, I found over 70%, maybe over 80%, of...
517 martin@...
oldadit Offline Send Email
Jun 11, 2002
2:16 am
(David Metzler) ... Good start, but you need to put in some filter that rewards actual summits, elsewise the top 50 "Imp" in AZ might end up all clustered at...
518 David Metzler
metzlerdavid Offline Send Email
Jun 11, 2002
1:27 pm
Andy Martin notes: Good start, but you need to put in some filter that rewards actual summits, elsewise the top 50 "Imp" in AZ might end up all clustered at...
519 martin@...
oldadit Offline Send Email
Jun 11, 2002
4:54 pm
(Andy) Congratulations go to John Vitz for a club rules completion of the NV top 50 prominence list. Given the infamous status of Bald Mountain NV, club rules ...
520 Peter Ridges
ridgesuk Offline Send Email
Jun 11, 2002
6:44 pm
(David Metzler) ... (Andy Martin) ... Is that a bad thing? We've got at least two systems (height and prominence) that reward summits, so why not one that...
521 David Metzler
metzlerdavid Offline Send Email
Jun 11, 2002
7:50 pm
(David Metzler) ... (Andy Martin) ... (Peter Ridges) ... I should have been clearer in my response to Andy's posting. The procedure is, basically: (1)...
522 Bob Bolton
rfbolton Offline Send Email
Jun 12, 2002
2:20 am
<Dave M.> So not only does Imp give you a new list of "finest" peaks to climb, it tells you to climb some of them in slightly different ways, and I think ...
523 martin@...
oldadit Offline Send Email
Jun 12, 2002
2:48 am
(David Metzler) ... (Andy) Careful there - you are drifting towards Mountaineering heresy ;) The tip top has always been the ultimate goal of the peakbagger. ...
524 Edward "7.389056099" ...
edwardurl Offline Send Email
Jun 12, 2002
5:58 am
Just a few short months ago I had no idea that the first place outside the United States that I'd be attacking with full-scale production prominence runs by...
525 martin@...
oldadit Offline Send Email
Jun 12, 2002
3:51 pm
(Edward) ... Cut off for top 50 might be over 4,000 feet. Imagine this is the least "popular" top 50 prominence list to date. Lots of folks can claim one peak...
526 David Metzler
metzlerdavid Offline Send Email
Jun 12, 2002
6:23 pm
... awaited with great anticipation!! :-) ... mathematically calculate the all-around impressiveness of a mountain, not to try to quantify the view. My idea...
527 David Metzler
metzlerdavid Offline Send Email
Jun 12, 2002
6:25 pm
... There is in fact a growing number of mountaineers who de-emphasize summits in favor of doing hard routes, wherever they lead to. This is an effect of (1)...
528 David Metzler
metzlerdavid Offline Send Email
Jun 12, 2002
6:55 pm
... It's interesting to compare Edward's list with the one I came up with last October, using various maps (reproduced below). As in Edward's list, note the...
529 climbit77 Offline Send Email Jun 12, 2002
9:10 pm
hi all i hate to throw anything into this mix since i dont know what the hell is going on in this group anyway, but i wonder if there's anywhere in the IMP...
530 David Metzler
metzlerdavid Offline Send Email
Jun 13, 2002
12:27 am
... The Imp calculation doesn't look directly at the slope of the height function (which may be ill-defined, for example at a cliff). What it looks at is the...
531 Bob Bolton
rfbolton Offline Send Email
Jun 13, 2002
2:51 am
Thanks Dave, your explanations help a bunch!! More thoughts: <Dave> The key once again is that you have to have a well-defined notion of where the mountain...
532 Edward "7.389056099" ...
edwardurl Offline Send Email
Jun 13, 2002
4:30 am
... Have you considered Trango Tower, which is very near K2? Edward "7.389056099" Earl esquared@... http://www.k-online.com/~esquared/eae.htm...
533 Richard Carey
richard@... Send Email
Jun 13, 2002
3:57 pm
I am following with interest the Imp concept. Here are my two cents worth on a new criteria for peaks. Possibly this has been considered and a more...
534 Mark D Adrian
markadrian@... Send Email
Jun 13, 2002
4:47 pm
On Thu, 13 Jun 2002 09:04:55 -0700 Richard Carey ... In addition, let me add another twist. While out hiking last weekend in the local Laguna Mtns here in San...
535 David Metzler
metzlerdavid Offline Send Email
Jun 13, 2002
5:43 pm
Bob again raises some good points which have come up before ... directions, and using the average of those maximums to quantify the entire mountain? (Me) I've...
536 David Metzler
metzlerdavid Offline Send Email
Jun 13, 2002
5:45 pm
... I would love to do Imp calculations for the various Trango Towers and also for Cerro Torre and the other Patagonian spires. However it's very hard to find...
537 David Metzler
metzlerdavid Offline Send Email
Jun 13, 2002
5:59 pm
(Richard Carey:) ... (Me:) Andy Martin proposed this kind of idea to me quite a while back, I don't know if he posted it to the group. (Richard:) ... (Me:) The...
538 David Metzler
metzlerdavid Offline Send Email
Jun 13, 2002
6:14 pm
Prom folks--At the risk of seeming to dominate the discussion, I'll respond to another post. It's very good to see a lot of interest in the Imp idea and in...
539 climbit77 Offline Send Email Jun 13, 2002
9:57 pm
thanks dave for your comments and clarifications re: imp calcs and the "ruggedness"... one thing i would want to really query you and edward on would be...
540 Bob Bolton
rfbolton Offline Send Email
Jun 14, 2002
3:00 am
As I get better acquainted with it, I'm finding I do like your imp ideas Dave. But so far I can't say that I prefer them to the "max" idea. :-) The "peak in a...
541 David Metzler
metzlerdavid Offline Send Email
Jun 14, 2002
2:34 pm
(Lee Davis:) ... Lee--I doubt the whole group wants to get into an involved discussion of the definition of fractal dimension, so I will try to be brief and if...
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