March 22: House Mt (5127, P = 927). This is the HP of the land S and E of Oak Creek, W of Oak Creek Village and N of McGuireville. No register. 3.5h, 5m,...
4187
nick scouras
jokermannn
Apr 5, 2007 8:19 pm
hi all, i was down in Organ Pipe Cactus Nat. Mon. last week and was quite dismayed to find the bulk of the monument was closed. virtually the whole backcountry...
4188
Petter Bjorstad
natlandsfjellet
Apr 5, 2007 10:26 pm
Hi, Just read the impressive report of all the AZ peaks climbed by Bob... Congratulations.. Enjoyed the description of the top with boulders.. I am in Colorado...
4189
Andy Martin
oldadit
Apr 6, 2007 3:25 am
Hi folks - Am pleased to announce the final version of the Sonora Mexico mountain list. This list includes 64 peaks of proven 2K prominence, and 47 additional...
4190
Adam Helman
helman@...
Apr 6, 2007 8:49 am
Andy's lists are correct to a fault. As such I've created a link to his Arizona and Sonora work - http://oldadit.googlepages.com/ from the prominence index...
4191
Adam Helman
helman@...
Apr 6, 2007 10:50 pm
Artificial elevations were programmed to generate a topographic map with beautiful geometric patterns reminiscent of Islamic art. The resulting map, known as...
4192
Adam Helman
helman@...
Apr 6, 2007 10:56 pm
In my very last message the link to one of five maps fails. Here's the fix: A "pastel" variant (white contour lines): ...
4193
Adam Helman
helman@...
Apr 6, 2007 10:59 pm
One more time - http://www.cohp.org/temp/tiled_terrain_color_scheme_A'_scale_0.gif I am persistent if nothing else. - Adam Helman...
4194
Andy Martin
oldadit
Apr 7, 2007 1:25 am
... Thanks - right you are - I had the correct spelling in the footnote. The place names almost always come directly from the 1:50,000 maps, which can make...
4195
Adam Helman
helman@...
Apr 7, 2007 3:21 am
The prime symbol in the filename was causing the hyperlink to malfunction, so explaining why I require three messages to correct one error. This file has since...
4198
Andy Martin
oldadit
Apr 8, 2007 3:16 am
Blundered across the website of Ronald Naar today, at http://www.ronaldnaar.nl/eng.htm. Ronald clears the World 50 threshold with room to spare: ** 17...
4199
Adam Helman
helman@...
Apr 8, 2007 6:39 am
I thought this was completely illegal - to guide on Denali apart from the five guide services sactioned to do such by the Park Service: * Mount McKinley,...
4200
Roy Schweiker
accidentlwan...
Apr 8, 2007 5:03 pm
... Perhaps he was employed by one of them, or got a special permit ... There's a lot of reports of illegal activity on cohp.org also R...
4201
Adam Helman
helman@...
Apr 9, 2007 1:47 am
Ah yes, Roy - absolutely correct --- ... .... But that's what the disclaimers are for at the bottom of every trip report page. ;-) ...
4202
Edward "7.389056...
edwardurl
Apr 9, 2007 3:01 am
Nielson benchmark is near a little-known summit which has about 1150' of prominence. Though in Riverside county, its proximity to I-15 near the county line...
4203
Andy Martin
oldadit
Apr 9, 2007 4:39 am
Forgive me if this has been already posted, but Scott Surgent's AZ top 100 prominence page on summitpost is a real handy overview to these peaks. ...
4204
Richard Carey
gearhead92107
Apr 19, 2007 12:21 am
Has anyone upgraded to Windows Vista and had problems with mapping software? I use Maptech quite a lot to look at US 7.5 min. topos. My net connection is not...
4205
Jerry Brekhus
eaglesyndrome
Apr 28, 2007 5:19 pm
Thanks to Richard Carey for alerting us to issues with Windows Vista, I was able to change the order for my new computer to Windows XP. I have learned that...
4206
Andy Martin
oldadit
Apr 28, 2007 6:11 pm
Noticed something interesting in the breakdown by prominence in the lower 48: Prominence: 6K 5K 4K 3K 2K 1K Count 10...
4207
k_over_hbarc
Apr 29, 2007 7:35 pm
... If you are supposing an approximate logaritmic distribution, as I think you are, the answer is that the ratio of the prominence cutoffs exceeds any of the...
4208
Adam Helman
helman@...
Apr 30, 2007 3:09 am
Hello Andy - I have performed a large amount of research on this topic, carefully studying the distribution of areal prominence density (number of peaks in...
4209
k_over_hbarc
Apr 30, 2007 9:10 pm
... This is essentially what I said in my reply. ... Is there some reason you're keeping this secret for now? ... It makes sense that vulcanism would produce a...
4210
Adam Helman
helman@...
May 1, 2007 3:21 am
Hello Andrew, The reason why the additional parameter was not mentioned it that it would complicate and thus detract from the general arugments. Here is the...
4211
k_over_hbarc
May 1, 2007 4:41 pm
Comments on the mathematics: Your rho(p) is the areal density function of prominences at p. I will call this function lowercase r, and uppercase R will refer...
4213
Adam Helman
helman@...
May 1, 2007 8:29 pm
Hello Andrew - Numerical differentiation (by first differences) yields the same first derivative as the analytical formula I employ. Thus I stand by all of my...
4214
k_over_hbarc
May 2, 2007 12:50 am
... I just did the differentiation in Maple. Funny, it gives a result different from either of ours! It gives (using my notation): 1/r dr/dp = 1/p (a0 + 2 a1...
4215
k_over_hbarc
May 2, 2007 3:08 am
... Did the differentiation again by hand and got the same result as Maple, so I'm pretty confident of it. My comments on self-similarity still apply. Andrew...
4216
Adam Helman
helman@...
May 2, 2007 7:38 am
Hello Andrew - I returned to my original derivation and learned that I too obtained this result : (1 / rho(p)) (d (rho (p) / dp) = - (a0 + 2 a1 log p) / p...
4217
k_over_hbarc
May 2, 2007 2:27 pm
... OK, we agree on the derivative. ... No, I'm quite sure it's a = 3 in your equation that gives self-similarity. Look, the number of prominencess >= p in an...
4218
Adam Helman
helman@...
May 2, 2007 8:59 pm
Andrew - It depends on one's interpretation of self-similar. Imagine a sea of 1,000 foot prominence peaks in a square region. Imagine the same region is...