First of all, we will look for a few extra hints for this entry: Second-longest river of Spain, rising in the mountains of Cantabria and flowing SE to the Mediterranean Sea. Spain's second-longest river is a crossword puzzle clue. [27] There is some debate as to whether this river would have flowed southwest into what is now the English Channel, or flowed north, emerging into the North Sea close to modern Yorkshire. However, only 716 km. This is a list of the longest rivers on Earth. These points make it difficult, if not impossible, to get an accurate measurement of the length of a river. For most rivers, different sources provide conflicting information on the length of a river system. Current scientific research favours the former opinion, with the Thames and Rhine meeting in a large lake, the outflow of which was close to the present-day Straits of Dover. For example, due to 18 cutoffs created between 1766 and 1885, the length of the Mississippi River from Cairo, Illinois, to New Orleans, Louisiana, was reduced by 351 kilometres (218 miles).[9]. During the last glacial maximum, much of what is now the southern part of the North Sea was land, known to archaeologists as Doggerland. There are many factors, such as the source,[1] the identification or the definition of the mouth, and the scale of measurement[2] of the river length between source and mouth, that determine the precise meaning of "river length". Our guide is the ultimate help to deal with difficult Daily Themed Crossword level. This is a list of the longest rivers on Earth. Copyright © 2020 Multiply Media, LLC. Spain's second-longest river is a crossword puzzle clue that we have spotted 2 … July 28, 2018 themed Crossword Clues. (1995) ", Learn how and when to remove this template message, "Studies from INPE indicate that the Amazon River is 140km longer than the Nile", "Pinpointing the sources and measuring the lengths of the principal rivers of the world", "Amazon Longer Than Nile River, Scientists Say", "Scientists pinpoint sources of four major international rivers", "Impact of Humans on the Flux of Terrestrial Sediment to the Global Coastal Ocean", "The Chilliwack River Valley: An Outdoor Enthusiast's Paradise", "Amazon river flowed into the Pacific millions of years ago", Weichselian palaeoclimate and palaeoenvironment in Europe: Background for palaeogroundwater formation, The Pleistocene evolution of the Thames and Rhine drainage systems in the southern North Sea Basin (abstract), https://en.wikipedia.org/w/index.php?title=List_of_rivers_by_length&oldid=978024247, Short description is different from Wikidata, Wikipedia indefinitely semi-protected pages, Articles needing additional references from August 2010, All articles needing additional references, Articles that may contain original research from May 2017, All articles that may contain original research, Articles that may contain original research from June 2009, Articles with unsourced statements from January 2015, Articles lacking reliable references from June 2009, Creative Commons Attribution-ShareAlike License, China (52.4%), Myanmar (43.9%), Thailand (3.7%).