Sirkulong Valeriepieris
{{Short description|Sirkulo sa ibabaw kan Kinaban na napapalibot sa mayorya kan populasyon kan katawohan}}
[[Ladawan:Valeriepieris_Circle.jpg|thumb|An orihinal na 2013 mapa ni Ken Myers, pigpapahiling an panlaog kan sirkulo [[Negative (photography)|bugsok]]]]
An '''Sirkulong Valeriepieris'''<ref name="quah">[http://blogs.lse.ac.uk/maths/2015/12/16/the-worlds-tightest-cluster-of-people/ The world’s tightest cluster of people] {{Webarchive|url=https://web.archive.org/web/20230604180048/https://blogs.lse.ac.uk/maths/2015/12/16/the-worlds-tightest-cluster-of-people/|date=2023-06-04}}, [[Danny Quah]], ''[[London School of Economics and Political Science]]''</ref><ref name="cnt">{{Cite web|last=Jennings|first=Ken|date=2017-06-12|title=More Than Half the World's Population Lives Inside This Circle|url=https://www.cntraveler.com/story/more-than-half-the-worlds-population-lives-inside-this-circle|access-date=2024-05-25|website=Condé Nast Traveler|language=en-US}}</ref><ref>[https://science.howstuffworks.com/environmental/earth/geophysics/small-circle-asia-more-half-worlds-population.htm A Small Circle in Asia Contains More Than Half the World's Population] {{Webarchive|url=https://web.archive.org/web/20230807175040/https://science.howstuffworks.com/environmental/earth/geophysics/small-circle-asia-more-half-worlds-population.htm|date=2023-08-07}}, ''[[HowStuffWorks]] - Science''</ref> iyo an sarong pigura na nakagurit sa ibabaw kan Kinaban siring kan mayorya kan populasyon kan katawohan na nakaistar sa laog kan saiyang interior. Pinabantog an konsepto kan sarong mapa na nakapaskil sa [[Reddit]] kaidtong 2013, ginibo kan sarong taga-Texas na paratukdo nin [[English as a second or foreign language|ESL]] na igwa nin ngaran na Ken Myers, na an ngaran nin paragamit sa sityo tinawan nin ngaran an pigura.<ref name="reddit">[https://www.reddit.com/r/MapPorn/comments/1dqh7d/after_seeing_a_recent_post_about_the_population/ After seeing a recent post about the population of Indonesia, this occurred to me] {{Webarchive|url=https://web.archive.org/web/20230613162107/https://www.reddit.com/r/MapPorn/comments/1dqh7d/after_seeing_a_recent_post_about_the_population/|date=2023-06-13}}, ''[[Reddit]]''</ref> An orihinal na sirkulo ni Myers nasasakopan an haros 10% kan kabilugan kan ibabaw kan Kinaban, na igwa nin radius nin haros {{Convert|4000|km|mile|sp=us|abbr=}}, nakasentro sa [[Dagat Habagatan na Tsina]].<ref name="quah" /> Nagin bantog an mapa sa [[Internet meme|meme]], asin naitampok sa nagkapirang internet media outlets.<ref>[https://www.visualcapitalist.com/majority-worlds-population-lives-circle/ The Majority of the World’s Population Lives in This Circle] {{Webarchive|url=https://web.archive.org/web/20230529053918/https://www.visualcapitalist.com/majority-worlds-population-lives-circle/|date=2023-05-29}}, ''Visual Capitalist''</ref><ref>[https://www.washingtonpost.com/news/worldviews/wp/2013/08/12/40-maps-that-explain-the-world/ 40 Maps That Explain the World] {{Webarchive|url=https://web.archive.org/web/20230912012553/https://www.washingtonpost.com/news/worldviews/wp/2013/08/12/40-maps-that-explain-the-world/|date=2023-09-12}}, ''[[The Washington Post]]''</ref><ref>[https://slate.com/business/2013/05/map-asia-population-circle.html Everybody Lives in Asia] {{Webarchive|url=https://web.archive.org/web/20230805203841/https://slate.com/business/2013/05/map-asia-population-circle.html|date=2023-08-05}}, ''[[Slate (magazine)|Slate]]''</ref> Naggagamit an orihinal na mapa nin Myers nin [[Winkel tripel projection]], nangangahulugan na an saiyang sirkulo, dai na-adjust sa projection, [[Tissot's indicatrix|does not correspond]] sa sarong sirkulo sa ibabaw kan ispiro.<ref>[https://io9.gizmodo.com/more-than-half-of-the-worlds-population-lives-inside-t-493103044 More than half of the world's population lives inside this circle] {{Webarchive|url=https://web.archive.org/web/20190125073446/https://io9.gizmodo.com/more-than-half-of-the-worlds-population-lives-inside-t-493103044|date=2019-01-25}}, ''io9''</ref><ref>[https://www.techinasia.com/population-world-lives-circle-asia-future-startups If More Than Half the Population of the World Lives in This Circle, Asia is the Future of Startups] {{Webarchive|url=https://web.archive.org/web/20221212150026/https://www.techinasia.com/population-world-lives-circle-asia-future-startups|date=2022-12-12}}, ''Tech in Asia''</ref>
[[Ladawan:Valeriepieris_circle_azimuthal_equal_area.png|thumb|2015 circle ni Danny Quah, sa sarong [[Lambert azimuthal equal-area projection]] &#x2013; an fraction kan area kan sirkulo kan sa globo is equal sa saiyang equivalent sa Kinaban]]
Kaidtong 2015, sarong Singaporean professor na si [[Danny Quah]]—sa tabang kan sarong intern na nagngangaran na Ken Teoh—bineripika an orihinal na paghingako ni Myers, siring man an pagpresentar nin bagong, konsiderableng sadit na sirkulo na  nakasentro sa sarong township kan [[Mong Khet]] sa [[Myanmar]], na igwa nin radius nin {{convert|2050|mi|km|order=flip|sp=us}}.<ref name="quah" /> Sa totoo lang, pighingako ni Quah an sirkulong ini na iyo an pinakasadit na posible nanggad, prinodusir gikan sa urog na rigorous calculations asin updated data, siring man an pagigin sarong  proper circle sa ibabaw kan Kinaban.

Kaidtong 2022, an orihinal na sirkulo ni Myers sa giraray pinorbaran ni Riaz Shah, sarong professor sa [[Hult International Business School]]. Guminamit si Shah nin dai pa nahahaloy na pinublikar na impormasyon kan United Nations' World Population Prospects tanganing tantyahon an 4.2 bilyon katawo na nakaistar sa laog kan sirkulo poon pa kaidtong 2022, sa kabilugan kan populasyon kan katawohan na 8 bilyon.<ref>{{Cite web|last=Shah|first=Riaz|date=2022-11-10|title=Half the world's population lives inside this circle|url=https://medium.com/@riazshah/half-the-worlds-population-lives-inside-this-circle-6a076fbaf828|access-date=2022-11-19|website=Medium|language=en|archive-date=2023-05-13|archive-url=https://web.archive.org/web/20230513230726/https://medium.com/@riazshah/half-the-worlds-population-lives-inside-this-circle-6a076fbaf828|url-status=live}}</ref>

An Sirkulong Valeriepieris igwa nin mahibog na populasyon, one third kaiyan sarong kadagatan. Dugang pa, kabali sa sirkulo an hararayong mga rehiyon kan [[Siberia]], [[Mongolia]], an pinakamahimpis na populasyon na nasyon, asin an [[Himalayas]].<ref name="cnt" />

Ginibong pormal an idea ni Myers<ref>Arthur, R., 2023. Valeriepieris Circles for Spatial Data Analysis. Geographical Analysis.</ref> asin an Sirkulong Valeriepieris pwedeng iladawan para sa maski arin na ronang espasyo, siring kan saro-saroeng nasyon. An pangkagabsan na sirkulong Valeriepieris na ini pwedeng gamiton para sa pag-adal nin pagbabago kan populasyon sa paglihis kan panahon, dimensional reduction asin pagsukol nin population centralization.

==Toltolan==
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An Sirkulong ValeriepierisThe world’s tightest cluster of people , Danny Quah, London School of Economics and Political ScienceA Small Circle in Asia Contains More Than Half the World's Population , HowStuffWorks - Science iyo an sarong pigura na nakagurit sa ibabaw kan Kinaban siring kan mayorya kan populasyon kan katawohan na nakaistar sa laog kan saiyang interior. Pinabantog an konsepto kan sarong mapa na nakapaskil sa Reddit kaidtong 2013, ginibo kan sarong taga-Texas na paratukdo nin ESL na igwa nin ngaran na Ken Myers, na an ngaran nin paragamit sa sityo tinawan nin ngaran an pigura.After seeing a recent post about the population of Indonesia, this occurred to me , Reddit An orihinal na sirkulo ni Myers nasasakopan an haros 10% kan kabilugan kan ibabaw kan Kinaban, na igwa nin radius nin haros , nakasentro sa Dagat Habagatan na Tsina. Nagin bantog an mapa sa meme, asin naitampok sa nagkapirang internet media outlets.The Majority of the World’s Population Lives in This Circle , Visual Capitalist40 Maps That Explain the World , The Washington PostEverybody Lives in Asia , Slate Naggagamit an orihinal na mapa nin Myers nin Winkel tripel projection, nangangahulugan na an saiyang sirkulo, dai na-adjust sa projection, does not correspond sa sarong sirkulo sa ibabaw kan ispiro.More than half of the world's population lives inside this circle , io9If More Than Half the Population of the World Lives in This Circle, Asia is the Future of Startups , Tech in Asia
thumb|2015 circle ni Danny Quah, sa sarong Lambert azimuthal equal-area projection – an fraction kan area kan sirkulo kan sa globo is equal sa saiyang equivalent sa Kinaban
Kaidtong 2015, sarong Singaporean professor na si Danny Quah—sa tabang kan sarong intern na nagngangaran na Ken Teoh—bineripika an orihinal na paghingako ni Myers, siring man an pagpresentar nin bagong, konsiderableng sadit na sirkulo na  nakasentro sa sarong township kan Mong Khet sa Myanmar, na igwa nin radius nin . Sa totoo lang, pighingako ni Quah an sirkulong ini na iyo an pinakasadit na posible nanggad, prinodusir gikan sa urog na rigorous calculations asin updated data, siring man an pagigin sarong  proper circle sa ibabaw kan Kinaban.

Kaidtong 2022, an orihinal na sirkulo ni Myers sa giraray pinorbaran ni Riaz Shah, sarong professor sa Hult International Business School. Guminamit si Shah nin dai pa nahahaloy na pinublikar na impormasyon kan United Nations' World Population Prospects tanganing tantyahon an 4.2 bilyon katawo na nakaistar sa laog kan sirkulo poon pa kaidtong 2022, sa kabilugan kan populasyon kan katawohan na 8 bilyon.

An Sirkulong Valeriepieris igwa nin mahibog na populasyon, one third kaiyan sarong kadagatan. Dugang pa, kabali sa sirkulo an hararayong mga rehiyon kan Siberia, Mongolia, an pinakamahimpis na populasyon na nasyon, asin an Himalayas.

Ginibong pormal an idea ni MyersArthur, R., 2023. Valeriepieris Circles for Spatial Data Analysis. Geographical Analysis. asin an Sirkulong Valeriepieris pwedeng iladawan para sa maski arin na ronang espasyo, siring kan saro-saroeng nasyon. An pangkagabsan na sirkulong Valeriepieris na ini pwedeng gamiton para sa pag-adal nin pagbabago kan populasyon sa paglihis kan panahon, dimensional reduction asin pagsukol nin population centralization.

Toltolan