different between anabranching vs anabranch

English

From ana- +? branching.

anabranching (not comparable)

(hydrology, of a water channel) Splitting around mid-channel islands that are roughly three times the width of the channel at full discharge.
- 2008 January 18, Robert C. Walter and Dorothy J. Merritts, "Natural Streams and the Legacy of Water-Powered Mills"^[2], Science 319(5861), page 299:
In particular, logjams blocked channels and led to the formation of side channels and floodplain sloughs, producing multiple anabranching channels and riverine wetlands that are in stark contrast to the large, single channels that exist in these streams today.

From ana- (“up, on”) +? branch.

anabranch (plural anabranches)

(hydrology, of a water channel) A diverging branch of a river, creek, or stream which re-enters the main stream.
- 1834, Colonel Jackson, "Hints on the Subject of Geographical Arrangement and Nomenclature", in The Journal of the Royal Geographical Society, Volume 4
  Such branches of a river as after separation reunite, I would term anastomosing branches; or, if a word might be coined, anabranches, and the islands they form branch islands.

National Weather Service (accessed 2010-03-23) , “Anabranch”, in Glossary?^[1], National Oceanic and Atmospheric Administration

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