Talk:Tombolo

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Question[edit]

Is it appropriate if the List of Tombolos section gets made into a list-type article? Tri nitro brick, 09:13, 23 October 2019 (UTC)[reply]

Spit vs bar[edit]

With reference to this sentence "a narrow piece of land such as a spit or bar", is a spit that grows long enough to connect an island to the mainland not then defined as a bar (i.e. a spit, by definition, cannot join an island to the mainland)? Ccw34 (talk) 22:19, 29 May 2019 (UTC)[reply]

Chesil Beach[edit]

Actually, longshore drift was almost certainly not the way that Chesil Beach was formed. it is far more likely that chesil beach was formed when sea levels rose after the last ice age, and collected beach material from across Lyme Bay to form a barrier beach, parallel to the coast. Chesil beach stopped before it hit land as the sea levels stopped rising far enough for the beach to move right against the shore, and hence the Fleet lagoon was formed. Chesil beach is, beacause of this reason, not a standard orthodox tombolo, as it just happened to join to the north side of the Isle of Portland due to currents and the shape of the sea bed between Portland and the mainland. -Ross, portland.

Curonian spit[edit]

Is Curonian Spit in Lithuania a tombolo in (wide or narrow) sense of the word? If so, it should be mentioned, as it would certainly make one of the world's largest. If not, why? Thanks. Duja 12:18, 6 September 2006 (UTC)[reply]

Erm, forget it, I found the answer in Spit (landform). Duja 12:19, 6 September 2006 (UTC)[reply]

Merger proposal[edit]

An article has been created at Tombola (island), which appears to be a mis-spelling or variant spelling of Tombolo. It looks as if they need to be merged. PamD (talk) 19:09, 8 February 2008 (UTC)[reply]

I don't think it's a mispelling, it's likely as not a diminutive. --MacRusgail (talk) 17:59, 10 February 2008 (UTC)[reply]

Chesil Beach[edit]

The linked page Chesil Beach says that it is a barrier beach that has rolled backwards giving the appearance of a tombolo, it is without reference however, so if any new information appears verifying this information then it may be appropriate to remove Chesil Beach from this list. --Carf1 (talk) 15:57, 9 November 2009 (UTC)[reply]

Tied island[edit]

I'm trying to figure out the distinction here; is a tombolo the spit of land that attaches the tied island? Or are they synonyms? Even if not synonyms, if you don't have one without the other, then these should be merged. postdlf (talk) 18:55, 16 April 2010 (UTC)[reply]

External links modified (January 2018)[edit]

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Dadan Island[edit]

I think the middle part of this island may be a tombolo. Maybe we should make a category that includes locations that have tombolos? Geographyinitiative (talk) 09:04, 31 March 2020 (UTC)[reply]

Wellington Point[edit]

I note that Wellington Point, Redland, Queensland, Australia appears to be a tombolo, extending to King Island whose tombolo might be visible only at low tide. It doesn't appear on this list. There's a photo supposedly from 1895 which shows the tombolo out to King Island. I'm not sure how to link that photo here though: https://en.wikipedia.org/wiki/File:StateLibQld_1_239803_Low_tide_at_Wellington_Point.jpg — Preceding unsigned comment added by Tzali (talk • contribs) 11:31, 2 September 2020 (UTC) I found a recent photo of he tombolo connecting Wellington point to King Island here: https://commons.wikimedia.org/wiki/File:King_Island_joined_to_the_Wellington_Point_by_a_sand_and_muddy_causeway_at_low_tide_01.jpg AND also here: https://commons.wikimedia.org/wiki/File:Wellington_Point_seen_from_a_sand_causeway_which_joins_the_point_with_King_Island_at_low_tide.jpg — Preceding unsigned comment added by Tzali (talk • contribs) 09:04, 6 September 2020 (UTC)[reply]

... an island becomes attached to the mainland ...[edit]

@Peterl: I reverted your "good faith revert" to reinstate my change. This may seem aggressive to you - if so I apologise. Let me explain cf. in same para

is a deposition landform
Once attached, the island is then known as a tied island. which implies that a process of attachment occurs, so that the ismand become attached

And in following section

... shoreline moves toward the island (or detached breakwater) due to accretion of sand ...
the sand is built up ... eventually ... will connect

All of this informs us that an island becomes a tied island. If you have a better word than becomes then feel free ! I hope we can manage to find consensus/agreement :-) -- jw (talk) 18:54, 3 April 2021 (UTC) See also ^[1] which states[reply]
Definition
A tombolo is a sediment deposit at the coast formed by wave refraction and diffraction at the edges of an obstacle (natural or artificial) originally detached from the mainland.
Description
The formation of a tombolo is caused by the diffraction of the wave at the ends of an obstacle, creating a convergence of opposing flows of sediment transport. Depending on the input of sediments and sea-level trends, the accumulation of sediments (sands or gravels) leads to continuous progradation of the coastline towards the detached obstacle (usually an island). A smaller sediment protrusion can also be developed in the back side of the obstacle. The final phase of this process is the complete coalescence between these sediment features and the blockage of the water body located behind the obstacle, with the consequent formation of a connection between the obstacle and the mainland (i.e., the tombolo)... — Preceding unsigned comment added by Jwikip (talk • contribs) 18:57, 3 April 2021 (UTC)[reply]

Ah I see. Thank you for your care. I wasn't aware of that distinction. I've added some refs to the article. I think some of those "tombolos" listed may not have that heritage, and would just be classified as a sandy isthmus rather than a tombolo. But I don't know enough geology to go through them all. peterl (talk) 04:00, 5 April 2021 (UTC)[reply]

@Peterl: thank you, we agree now ... we will have to find specialists to check those 'tombolos'/'isthmus(es)' | any ideas how to reach them ? -- jw (talk) 19:18, 11 April 2021 (UTC)[reply]

References

^ https://link.springer.com/referenceworkentry/10.1007%2F978-94-017-8801-4_349>

List of tombolos[edit]

Hello fellow Wikipedians

The list Tombolo#List_of_tombolos needs a general review.

As previously pointed out by other readers (see above), as some of the isthmuses named may not be tombolos.
@Peterl:, the recent addition of Gibraltar is not strictly accurate as this is not the placename of the tombolo joining the Rock of Gibraltar to the mainland.
There may be other misleading identifications in the list.

jw (talk) 11:09, 22 November 2021 (UTC)[reply]

[1] ttps://link.springer.com/referenceworkentry/10.1007%2F978-94-017-8801-4_349>

[1]