Talk:Alluvial fan

Similarity with River delta
Can anyone tell me what the difference between a River delta and Alluvial fan is? If there is not a difference then perhaps the two articles should be merged? --Daleh T 07:50, 2 October 2007 (UTC)

There is no difference. —Preceding unsigned comment added by Bonescrusher (talk • contribs) 16:44, 6 June 2008 (UTC)

They are related yet significantly different. A delta forms mostly underwater as a stream enters a lake or river. Deltas have nearly level surfaces very near sea level or lake level. An alluvial fan is terrestrial, not underwater. It has a sloping surface that is highest at the apex where the stream emerges from the mountain front, usually in a canyon or gully. Alluvial fans can be fairly steep in the case of a (normally) small stream carrying gravel and boulders which the stream can't transport without the help of a high gradient. I wouldn't want to merge the two articles, although they could be cross-referenced. LADave (talk) 20:34, 30 August 2008 (UTC)

Sorting
"The deposits are usually poorly-sorted."

It would help to define "sorting" with respect to sediment. Its meaning here is unclear to the layman. —Preceding unsigned comment added by 74.103.193.208 (talk) 08:04, 19 April 2010 (UTC)


 * Thanks for pointing that out, the term is now wiki-linked to the Sorting (sediment) page, which hopefully is clear enough (the diagram helps I think). Mikenorton (talk) 19:31, 19 April 2010 (UTC)

Alluvial Fan Model
I believe it was David Dawdy who developed the alluvial fan hydraulic analysis program for Baker. It would be good to include a reference to his probabilistic approach and a link to the model. FEMA has a runtime version of the program, but I cannot find a copy of the source code (BASIC). — Preceding unsigned comment added by Drdbthompson (talk • contribs) 21:40, 27 June 2011 (UTC)

an alluvial is very cool — Preceding unsigned comment added by 50.174.206.5 (talk) 02:52, 15 March 2016 (UTC)

Lead section
I'm confused why the last few edits have removed the lead section and replaced it with an introduction header. Also, the rewritten introduction section now no longer has any links, and the citations there point to some biomedical essay... Should this be reverted? Gary600playsmc (talk) 13:45, 13 March 2019 (UTC)