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A fact from Dabusun Lake appeared on Wikipedia's Main Page in the Did you know column on 21 October 2019 (check views). The text of the entry was as follows:
Did you know... that Dabusun Lake(pictured) is the largest remaining lake in China's Qarhan Playa, which 30,000 years ago held a single lake spreading over at least 25,000 km2 (9,700 sq mi)?
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Latest comment: 4 years ago1 comment1 person in discussion
Not sure what the argument is. Conventional American units don't usually measure concentrations in ounces per pint but with the larger units, regardless of the metric usage. The convert template wanted to use cubic yards, which isn't helpful in the least. — LlywelynII 13:48, 3 August 2019 (UTC)Reply
Latest comment: 4 years ago16 comments7 people in discussion
As far as old Chinese names, this 1909 Japanese-&-Postal map has Dabasun Nor transcribed as 巴哈淖淖 (Bāhā Nào'ěr) but I'm not sure if a first character got cut off to make room for the rivers beside it. — LlywelynII 03:41, 11 August 2019 (UTC)Reply
The following is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.
The result was: promoted by Gatoclass (talk) 00:55, 14 October 2019 (UTC)Reply
... that Qarhan(pictured)—sometimes called the largest salt lake in China—isn't a lake at all, but an enormous playa?
ALT1:... that the Qarhan Playa(pictured) alternated between being a freshwater and saltwater lake nine times in the last million years, giving it enormous reserves of salt, potash, and lithium?
ALT2:... that an accidental discovery in the Qarhan Playa(pictured) in the 1950s eventually reduced China's dependence on Canadian potash?
ALT3:... that Dabusun Lake(pictured) in China's Qarhan Playa has a mean annual temperature of only 0.1 °C (32 °F) despite lying at the same latitude as Greece and Virginia?
Comment: Kindly don't add extraneous links to the hooks above. If people want to learn more about playas &c., they can click through to the article I've worked on, learn some stuff, and move on from there.
Created by LlywelynII (talk). Self-nominated at 04:36, 6 August 2019 (UTC).Reply
These two article are new enough and long enough. The image is appropriately licensed, the hook facts are cited inline, the articles are neutral and I detected no copyright or plagiarism issues. Two QPQs have been done. Approving ALT3 which is the only hook mentioning both articles. Cwmhiraeth (talk) 17:32, 21 August 2019 (UTC)Reply
Hi, I came by to promote ALT3, but I don't see anything about Greece, Algeria, or Virginia in the cite (footnote 6). @LlywelynII: would you like to use one of the one-article hooks? Yoninah (talk) 21:01, 10 September 2019 (UTC)Reply
37th parallel northis cited and the other places on that latitude, provided here for illustration, fall under WP:BLUE. Do you really plan on insisting that an article on a Chinese lake needs to add separate additional citations for the latitude of each of Virginia, Algeria, and Greece despite having an entire dedicated article on the point, aside from the linked articles about those places? Seems rather absurd and WP:OVERCITEy/ISR to me when there's not a question at all that the information and the point being made are completely accurate. — LlywelynII 03:59, 12 September 2019 (UTC)Reply
@Llywelyn: can we use one of the single-article hooks with the image? Yoninah (talk) 09:35, 12 September 2019 (UTC)Reply
Re-ping @Yoninah:. Why would you need to? I wrote and QPQd 2 articles and there's no actual problem with the hook as is. — LlywelynII 12:25, 12 September 2019 (UTC)Reply
Replacing tick as I don't think we need to quibble about places being at the same latitude, it's not as if anyone is going to dispute these facts. Cwmhiraeth (talk) 05:49, 18 September 2019 (UTC)Reply
Hook was pulled from Prep by @Gatoclass: as possible copyvio WP:OR. — Maile (talk) 23:32, 11 October 2019 (UTC)Reply
Please note that the nominator has been mostly inactive over the past two months or so, apart from a single edit on October 1. Any article or hook issues may need to be worked on without them. Considering the issues with ALT3, perhaps the only option could be to go with separate hooks for both articles? Pinging earlier commenters and WT:DYK discussion participants @Amakuru, Maile66, Feminist, BlueMoonset, Black Kite, Jo-Jo Eumerus, Gatoclass, and Yoninah: as well as the reviewer Cwmhiraeth. Narutolovehinata5tccsdnew 02:18, 13 October 2019 (UTC)Reply
Why not simply promote one of the other hooks? Cwmhiraeth (talk) 04:59, 13 October 2019 (UTC)Reply
The other hooks only mention Qarhan Playa but not Dabusun Lake, and we should try to respect the nominator's wishes of Dabusun Lake appearing on the Main Page in some form. We could promote one of the other hooks, but that would mean a new hook would be needed that focuses solely on Dabusun Lake, which would need to be reviewed and promoted separately. Narutolovehinata5tccsdnew 05:34, 13 October 2019 (UTC)Reply
How about something like
ALT4:... that Dabusun Lake(pictured) is the largest remaining lake in China's Qarhan Playa, which 30,000 years ago held a single lake spreading over at least 25,000 km2 (9,700 sq mi)? (175 characters)
ALT5:... that Dabusun Lake(pictured) is the largest remaining lake in China's Qarhan Playa, which alternated between being a freshwater and saltwater lake nine times in the last million years? (184 characters)