Talk:Geomorphometry

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Mergeto survived

This page was voted to stay separate in the 'mergeto proceding' closed this date

--- {{Mergeto|Topography|Talk:Topography#Merge_with_Geomorphometry|date=December 2006}} removed per

--- http://wiki.riteme.site/wiki/Talk:Topography#Merge_with_.5B.5BGeomorphometry.5D.5D

--- vote tallies 4 Opposed to the nom's lone: 1 // FrankB 00:23, 12 May 2007 (UTC)[reply]

Confusing 1st post

Mentorsmentor 11:23, 27 March 2007 (UTC)From Mentorsmentor 27 March 2007 We suggest the following entry we have copied below is a timewasting joke. If our explanation for this (our opinion) is necessary we are prepared to give it by email. We do not even accept "Geomorphometry" as the accepted name of any specific discipline or activity. When does the OED say it was first used and how does the OED define the word? In what sense is "topography" used in the penultimate sentence? We would also very much like to know how a valid parameter can exist usefully for a stochastic activity. Mentorsmentor 11:23, 27 March 2007 (UTC)[reply]

"Geomorphometry is the science of quantitative land surface analysis. It gathers various mathematical, statistical and image processing techniques that can be used to quantify morphological, hydrological, ecological and other aspects of a land surface. Common synonyms for geomorphometry are geomorphological analysis, terrain morphometry or terrain analysis and land surface analysis. In simple terms, geomorphometry aims at extracting (land) surface parameters (morphometric, hydrological, climatic etc.) and objects (watersheds, stream networks, landforms etc.) using input digital land surface model (also known as digital elevation model) and parameterization software. Extracted surface parameters and objects can then be used, for example, to improve mapping and modelling of soils, vegetation, land use, geomorphological and geological features and similar. Although geomorphometry started with ideas of Brisson (1808) and Gauss (1827), the field did not much evolved until the construction of the first DEM (Miller and Laflame, 1958). With the rapid increase of sources of DEMs today (and especially due to the Shuttle radar topographic mission and LIDAR-based projects), extraction of land surface parameters is becoming more and more attractive to numerous fields ranging from precision agriculture, soil-landscape modelling, climatic and hydrological applications to urban planning, education and space research. The topography of almost all Earth has been today sampled or scanned, so that DEMs are available at resolutions of 100 m or better at global scale. Land surface parameters are today successfully used for both stochastic and process-based modelling, the only remaining issue being the level of detail and vertical accuracy of the DEM." —The preceding unsigned comment was added by Mentorsmentor (talk • contribs) 11:23, 27 March 2007 (UTC)

Comment

I visited this talk page because I think the two pages should be merged, they are effectively the verb and the noun referring to the same thing.

I don't agree with the comment "When does the OED say it was first used and how does the OED define the word? " - the OED does not claim to contain all known or used words. If a term is used in a number of published and peer-reviewed articles is this not endorsement enough?

I don't think there is a problem with the use of the work topography, I assumed that a parameter for stochastic-based modelling was one that allowed an apparently stochastic process to be synthesised within the realms of observed reality (e.g. a maximum local height change in a DEM).

The article could do with being more clearly and concisely written. 62.25.96.244 (talk) 16:40, 4 November 2008 (UTC) Anon because I can't find my log in[reply]

I agree that they should be merged.--SatyamMishra (talk) 16:21, 2 September 2014 (UTC)[reply]

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Overhaul

I modified and added to this page significantly to bring it more in line with the general topic of terrain analysis in GIS. There may be some who want to define geomorphometry more narrowly.Bplewe (talk) 19:09, 16 March 2021 (UTC)[reply]

Split surface gradient

Geomorphometry#Surface gradient is notable in itself. fgnievinski (talk) 04:01, 12 May 2021 (UTC)[reply]

plus it's duplicated in several places, such as GIS#Slope and aspect. fgnievinski (talk) 20:47, 12 May 2021 (UTC)[reply]

It definitely makes sense to rationalize the content in the GIS page with this page (there should be very little there and point to here). However, the separate Surface Gradient page focuses directly on vector calculus, as it should, while this page focuses on the application of those principles (in a discrete form, not calculus at all) to terrain data. Putting all of this over there would be very strange to the mathematicians. Perhaps it would be more clear for the wikilink to be a seealso rather than a main.Bplewe (talk) 19:59, 27 October 2021 (UTC)[reply]