| 词条 | Ostrobothnian Plain |
| 释义 |
The Ostrobothnian Plain or Pohjanmaa is a large lowland in Finland along the Bothnian Sea being arguably the largest plain in the Nordic countries.[1] The plain is made up smaller individual sand and clay plains alternated with rives and peat bogs.[2] It extends as a 100 km wide and 257 km long belt along the northwestern coast of Finland.[1][1] The plain is extremely flat with height differences never exceeding 50 m.[2] Geologically the plain is a continuation of the Sub-Cambrian peneplain found across much of Fennoscandia.[3] References1. ^1 {{cite web|url=https://www.britannica.com/place/Pohjanmaa |title=Pohjanmaa – Britannica Online Encyclopedia |publisher=Britannica.com |accessdate=26 November 2017| archiveurl=https://www.britannica.com/place/Pohjanmaa| archivedate=10 September 2009 | deadurl= no}} {{finland-geo-stub}}{{coord missing|Finland}}2. ^1 2 {{cite book |last=Rudberg |first=Sten |author-link=Sten Rudberg |date=1960 |title=Geography of Norden |chapter=Geology and Morphology |url= |location= |publisher= |pages=27–40|editor-last=Somme|editor-first=Axel|editor-link=Axel Sømme |isbn=}} 3. ^{{cite web |url=https://www.ne.se/uppslagsverk/encyklopedi/l%C3%A5ng/finland?i_h_word=%25C3%25B6sterland |title=Finland: Terrängformer och berggrund |last=Behrens |first=Sven |last2=Lundqvist|first2=Thomas|author-link2=Thomas Lundqvist (geologist) |date= |website=Nationalencyklopedin |publisher=Cydonia Development |access-date=November 30, 2017 |quote= |language=Swedish}} 3 : Landforms of Ostrobothnia (region)|Landforms of Northern Ostrobothnia|Plains of Finland |
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