Talk:Mount Damavand

message: Data on first ascent needs referencing. Abjad 21:48, 12 February 2007 (UTC)
thread_title:  First ascent 

message: I've full protected the article for three days due to the ongoing edit war. Please discuss the issue instead of continually reverting. Mark Arsten (talk) 22:34, 5 January 2014 (UTC)
replies: text: I have discussed the issue in some length on the talk page. The problem is that my adversaries do not care to respond. They care only to edit both the main article and several others on which the height is mentioned. Viewfinder (talk) 16:53, 6 January 2014 (UTC)
thread_title:  Protection 

message: Please switch
and the highest peak in Iran, has a special place in Persian mythology and folklore.with
and the highest peak in Iran, and has a special place in Persian mythology and folklore.
buffbills7701 00:38, 6 January 2014 (UTC)
replies: text: Done — Mr. Stradivarius ♪ talk ♪ 06:51, 6 January 2014 (UTC)
thread_title:  Protected edit request on 6 January 2014 

message: Please convert this false and shameless information of damavand elevation to the correct and new elevation that's NASA and so many competent organizations that have been calculate that .
(( 5610m is false and 5671m is correct ))  
Horamantarh (talk) 12:23, 9 January 2014 (UTC)
replies: text: Hi Horamantarh, the reason why you've been reverted repeatedly (and the page protected) is that you are not supplying a source for your change.  Please read WP:CITE to see what is needed.  If you can reply here with a source for your information then you and other editors can discuss the difference of opinion regarding the height.  Please also see the discussion in the sections above this one, other editors are looking at sourcing accurate height readings.  CaptRik (talk) 10:08, 7 January 2014 (UTC)
replies: text:  A primary source is required, with a reference to when and how the figure you claim was measured. Sources that have merely copied other sources are insufficient. Viewfinder (talk) 12:02, 7 January 2014 (UTC)
thread_title:  Why dont change the wrong and old information to the true and new information ??!!!! 

message: http://www.damawand.com
http://www.mountain-forecast.com/peaks/Damavand
http://eol.jsc.nasa.gov/debrief/Iss010/topFiles/ISS010-E-13393.htm
http://earthobservatory.nasa.gov/IOTD/view.php?id=5267
http://apod.nasa.gov/apod/ap080503.html
+ ....
are those sufficient for converting the false information to reliable information ????!!!!
--Horamantarh (talk) 12:14, 9 January 2014 (UTC)
replies: text: In my opinion these are not sufficient, because none of them are primary sources, they have simply copied the elevation from other sources. Even people who work for NASA's websites do this. None of them tell us <B>how and when Damavand was measured at 5671m.</B> Modern GPS measurements and NASA satellite data support the lower and official Iranian elevation, which has been accepted by many other editors, both on English Wikipedia and those in most other languages. PS: please sign your edits with four tildes. Viewfinder (talk) 17:04, 8 January 2014 (UTC)

text: Here are NASA's SRTM data. The cell spacing is 3 are seconds (about 90 metres). The summit of Damavand is not nearly steep enough to be 76 metres higher than the highest cell. Viewfinder (talk) 17:22, 8 January 2014 (UTC)

text: Damavand was measured by a Norwegian professor and experienced GPS user on 14 August 2007. He states here (summit day) "that all references to an elevation of 5671 meter should be changed, this is absolutely wrong". None of the other sources supplied, no matter how many there are, should take precedence over this primary source.  Viewfinder (talk) 17:35, 8 January 2014 (UTC)

text: My principal source is the measurement by the Norwegian professor and GPS expert. Please calm down and find me an official Iranian site that supports 5671m and a source which tells us HOW and WHEN the summit was measured at 5671m. Viewfinder (talk) 13:22, 9 January 2014 (UTC)

text: I have supplied an Iranian government site that gives a height for Damavand. Perhaps it is not reliable but sites of US government agencies are also not reliable. You can see that the Norwegian professor is an experienced GPS  user who carefully measured Damavand. Hand held GPS is reliable to within 15 metres. I have repeatedly asked you for a primary source. How can you be so sure that 5671m is correct when you supply no information about how and when the mountain was measured? Please can you also find someone to help you with your English. Viewfinder (talk) 17:33, 9 January 2014 (UTC)
thread_title:  OK , these are some of reliable and main sites for true elevation of mount damavand 

message: Despite the protection which was given to the article earlier this year, the edit war has continued. I hope that all concerned will either try to reach agreement, or, perhaps better still, reflect on whether there might be more useful ways of spending their time than quarreling over a discrepancy of a little over 1% in the height of a mountain. If the edit warring continues, options to be considered are placing blocks for a considerable time (not just a day or two) on any editor taking part, and protecting the article for a much longer time. The latter will be a last resort, to be avoided if possible, because it will inconvenience legitimate editors as well as the edit-warriors, so blocking editors will be a preferable option. JamesBWatson (talk)
:Point taken about reaching agreement in preference to edit warring but I beg to disagree with the implication above that elevation inaccuracies of 50-60 metres should not matter. We should strive to get our elevations at least to within the error margin of hand held GPS devices, which is about 15 metres, and it is notable whether or not Damavand is higher than Mount Elbrus. Viewfinder (talk) 01:33, 15 February 2014 (UTC)
thread_title:  Further edit warning 

message: A new survey of top Damavand on July 3rd 2016, using a hand held GNSS :
A French / Iranian team (of surveyors and others) has reached an agreement with NCC to collaborate with scientific GNSS receivers (Leica 1200) and personnel for the measurement of top Damavand with hours recording, base line processing and network adjustment (centimetre to decimetre level accuracy achievable).
Due to further changes in this authorization, and probable conflict with some Iranian bodies involved in, this agreement was not valid any more. Top of Damavand has been then surveyed using a Garmin GPSMAP 64st GNSS (GPS+GLONASS), 12 GPS and 8 GLONASS were in view. The elevation was reduced to the AIRGeoid 2010 model (Adjusted Gravimetric geoid at GPS/Levelling points as a new Vertical Reference Surface for Iran) provided by NCC. The result : 5625 m, with an estimated standard deviation of 3 m. Previoulsly, top of Alamkuh has been surveyed as well, with a result of 4840 m.
Bernard Flacelière, Senior Surveyor retired, Chief Editor of XYZ journal of French Association of Surveying.
BernardFlaceliere (talk) 13:56, 18 July 2016 (UTC)
thread_title:  A new survey of top Damavand, July 3rd 2016.

message: Having got in touch with NCC with regard to our Mount Damavand survey July 3rd, I may now publish the result of the NCC survey performed in 2006. This is not confidential as already published on numerous Iranian web sites dedicated to mountaineering and climbing (see here below).
The published elevation is : 5609.2 m.
The discrepancy with our 5625 result may come from the uncertainties in geoid model used in the reduction of ellipsoidal heights.
By BernardFlaceliere (talk) 09:30, 4 August 2016 (UTC)
replies: text: Thank you  for this information. It would appear from your posts that 5625m is more accurate than the NCC's 5609m, and is consistent with other hand held GPS measurements. As you say, the problem seems to be the determination of the local geoid. It may be of interest that a hand held GPS reading on the nearby Caspian sea shore gave -17m, which is 12m too high. It is not clear what height should be posted to the article, although it is clear that we should not be reverting to 5671m, which was based on a rough 1930's estimate by a geologist, to which someone added 1m to make it look like an accurate measurement. Viewfinder (talk) 15:23, 4 August 2016 (UTC)
replies: text: I am not as active on Wikipedia these days and do not check it very often, but I was sorry to see that the elevation had been recently put back up to 5671m by editors without reference to the talk page. I thought that the above contributions from a new surveyor had settled the matter. I have restored the lower elevations, which had been stable since 2016, but I realise that 5671m is still widely quoted on the web. Viewfinder (talk) 12:56, 26 March 2021 (UTC)
thread_title:  Mount Damavand Surveyed by NCC (National Cartographic Center of Iran) in 2006 

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thread_title:  External links modified 

message: What's the source for Damavand last erupted in 5300 BC? Aminabzz (talk) 11:54, 15 November 2022 (UTC)
replies: text: I added a source from Global Volcanism Program which reports 5350 BCE ±200 years. Decided to leave the value as "around 5300 BCE" instead of changing to 5350 because of the uncertainty range. DJ Cane (talk) 08:43, 25 December 2022 (UTC)
thread_title: Source for last eruption