Huang He: Gwahaniaeth rhwng fersiynau

Ym mytholeg Tsieineaidd, draeniodd y cawr Kua Fu yr Afon Felen ac Afon Wei i ddiffodd ei syched wrth iddo erlid yr Haul.<ref>Summary of the story given in the definition of {{Lang|zh|夸父追日}}: {{Cite book|trans-title=[[Xiandai Hanyu Cidian|A Dictionary of Current Chinese]] (Seventh Edition)|date=1 September 2016|publisher=[[The Commercial Press]]|language=zh-hans|isbn=978-7-100-12450-8|location=Beijing|pages=513, 755}}</ref> Mae dogfennau hanesyddol o gyfnod y Gwanwyn a'r Hydref a [[Brenhinllin y Qin|llinach Qin]] <ref>"[http://homepages.stmartin.edu/fac_staff/rlangill/HIS%20217%20maps/Qin%20dynasty%20map.JPG Qin Dynasty Map] {{Webarchive|url=https://archive.today/20150105082440/http://homepages.stmartin.edu/fac_staff/rlangill/HIS%20217%20maps/Qin%20dynasty%20map.JPG |date=2015-01-05 }}".</ref> yn dangos bod yr Afon Felen ar y pryd wedi llifo cryn dipyn i'r gogledd o'i chwrs presennol. Mae'r dogfennau hyn yn dangos, ar ôl i'r afon basio [[Luoyang]], iddi lifo ar hyd y ffin rhwng [[Shanxi|Taleithiau Shanxi]] a [[Henan]], yna parhau ar hyd y ffin rhwng [[Hebei]] a Shandong cyn gwagio i Fae Bohai ger [[Tianjin]] heddiw. Dilynodd allfa arall fwy neu lai'r cwrs presennol.<ref name="Treg">Tregear, T. R. (1965) ''A Geography of China'', pp. 218–219.</ref>

Rhwng 1851 a 1855,<ref name="Treg">Tregear, T. R. (1965) ''A Geography of China'', pp. 218–219.</ref><ref name="R. Grousset">Grousset, Rene. ''The Rise and Splendour of the Chinese Empire'', p. 303. University of California Press, 1959.</ref><ref name="eunuch">Tsai, Shih-Shan Henry.<!--sic--> ''SUNY Series in Chinese Local Studies'': ''[https://books.google.com/books?id=Ka6jNJcX_ygC&pg=PA200 The Eunuchs in the Ming Dynasty]''. SUNY Press, 1996. {{ISBN|0791426874}}, 9780791426876.</ref> dychwelodd yr Afon Felen i'r gogledd yng nghanol y llifogydd a ysgogodd y Gwrthryfel Nien a Taiping. Amcangyfrifwyd bod [[Llifogydd yr Afon Felen, 1887|llifogydd 1887]] wedi lladd rhwng 900,000 a 2 filiwn o bobl,<ref name="internationalrivers.org">International Rivers Report. "[http://internationalrivers.org/files/Deluge2007_full.pdf Before the Deluge] {{Webarchive|url=https://web.archive.org/web/20080704083330/http://internationalrivers.org/files/Deluge2007_full.pdf |date=2008-07-04 }}". 2007.</ref> a hwn yw'r rychineb naturiol ail waethaf mewn hanes (ac eithrio [[newyn]] ac epidemigau). Sefydlodd yr Afon Felen ei chwrs presennol yn ystod llifogydd 1897.<ref name="R. Grousset" /><ref>Needham, Joseph. ''Science and Civilization in China''. Vol. 1. ''Introductory Orientations'', p. 68. Caves Books Ltd. (Taipei), 1986 {{ISBN|052105799X}}.</ref>