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20-524: Two thousand years ago Pomponius Mela , a Roman geographer, mentioned a complex of lakes at the current location of the IJsselmeer. He called it Lacus Flevo . Over the centuries, the lake banks crumbled away due to flooding and wave action, and the lake, now called the Almere , grew considerably. During the 12th and 13th centuries, storm surges and rising sea levels flooded large areas of land between

40-484: Is evidenced by several references to events of Augustus 's reign; especially to certain new names given to Spanish towns. Mela, like the two Senecas , Lucan , Martial , Quintilian , Trajan , Hadrian , were all part of Italic communities settled in various parts of Spain that eventually relocated in Rome. It has been conjectured that Pomponius Mela may have been related in some way to Marcus Annaeus Mela , son of Seneca

60-572: The Bay of Biscay more accurately than Eratosthenes or Strabo, his ideas of the British Isles and their position are also clearer than his predecessors. He is the first to name the Orcades or Orkney Islands , which he defines and locates pretty correctly. Of northern Europe his knowledge was imperfect, but he speaks of a great bay (" Codanus sinus ") to the north of Germany, among whose many islands

80-828: The Straits of Gibraltar , and describes the countries adjoining the south coast of the Mediterranean ; then he moves round by Syria and Asia Minor to the Black Sea , and so returns to Spain along the north shore of the Euxine, Propontis , etc. After treating the Mediterranean islands, he next takes the ocean littoral —to west, north, east and south successively—from Spain and Gaul round to India, from India to Persia , Arabia and Ethiopia ; and so again works back to Spain. Like most classical geographers he conceives of

100-607: The bordering lakes , its cities and fishing villages remained mostly unspoilt and have many historic buildings. The IJsselmeer is home to the offshore segments of Windpark Noordoostpolder . In the future, Windpark Fryslan will also be built in this bay. Pomponius Mela Pomponius Mela , who wrote around AD 43, was the earliest known Roman geographer . He was born at the end of the 1st century BC in Tingentera (now Algeciras ) and died c.  AD 45. His short work ( De situ orbis libri III. ) remained in use nearly to

120-592: The Elder and father of Lucan . The general views of the De situ orbis mainly agree with those current among Greek writers from Eratosthenes to Strabo ; the latter was probably unknown to Mela. But Pomponius is unique among ancient geographers in that, after dividing the Earth into five zones, of which two only were habitable, he asserts the existence of antichthones , inhabiting the southern temperate zone inaccessible to

140-467: The IJsselmeer constituted the new province of Flevoland , the twelfth province of the Netherlands. The water of the IJsselmeer is now almost completely fresh, the saline having long since been purged. This altered environment has had an impact on the fish and plant ecosystems . The change has been beneficial for Dutch boats, many of which are steel, as the freshwater significantly reduces rusting of

160-518: The IJsselmeer was later closed off to form the Markermeer . From 1929 till 1967, over half the IJsselmeer was drained, creating 1,979 km (764 sq mi) of polders : Wieringermeerpolder , Noordoostpolder , East and South Flevoland . In 1975, a dyke was built between Enkhuizen and Lelystad as the northern boundary of the Markerwaard , a planned but never realized polder in

180-582: The IJsselmeer. This dyke, the Houtribdijk or Markerwaarddijk , split the IJsselmeer into two parts. The former southern part of the IJsselmeer is now the hydrologically separate Markermeer . The proposed polderisation of the Markerwaard was abandoned after many of the Dutch population did not want the loss of the traditional seaside (now lakeside) environment and vistas. In 1986 three polders in

200-642: The bay. Later drainage plans focused on creating fertile farmland, but they never progressed beyond the planning stage. It was only after the flood of 1916 that the legislature approved the Zuiderzee Works , a major hydraulic engineering project that involved building dykes, draining parts of the Zuiderzee, and constructing the Afsluitdijk to keep tides and high water out. In 1932 the Zuiderzee

220-535: The closed-off bay functions as a large freshwater reservoir, serving as a source for agriculture and drinking water. Outlet sluices in the Afsluitdijk regulate the water level of the IJsselmeer. The IJsselmeer is used for transport and fishing. It also offers a number of opportunities for recreational activity, both on the water and on its shores. Due to the shallowness of the IJsselmeer, the Markermeer, and

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240-514: The continent of Africa as surrounded by sea and not extending very far south. The editio princeps of Mela was published at Milan in 1471; the first critical edition was by Joachim Vadian (Wien, 1518), superseded by those of Johann Heinrich Voss (1658), Johann Friedrich Gronovius (1685 and 1696), A. Gronovius (1722 and 1728), and Tzschucke (1806–1807), in seven parts (Leipzig; the most elaborate of all); G. Paithey's (Berlin, 1867) for its text. The English translation by Arthur Golding (1585)

260-774: The folk of the northern temperate regions from the unbearable heat of the intervening torrid belt. On the divisions and boundaries of Europe , Asia and Africa , he repeats Eratosthenes; like all classical geographers from Alexander the Great (except Ptolemy ) he regards the Caspian Sea as an inlet of the Northern Ocean, corresponding to the Persian and Arabian ( Red Sea ) gulfs on the south. His Indian conceptions are inferior to those of some earlier Greek writers; he follows Eratosthenes in supposing that country to occupy

280-454: The hulls, and there is far less build-up of marine growth (such as algae and barnacles below the barges ' waterlines). This has the knock-on benefit that barges and yachts in the IJsselmeer need far less antifouling , a coating which is inevitably somewhat toxic to wildlife. Due to considerable amounts of water from the Rhine flowing through its distributary IJssel into the IJsselmeer,

300-536: The lake and the North Sea, turning the lake into a bay of the North Sea, called the Zuiderzee . The Zuiderzee continued to be a threat to the Dutch, especially when northwesterly storms funnel North Sea waters towards the English Channel, creating very high tides along the Dutch coast. During the 17th century, Zuiderzee dykes collapsed several times, and plans were drawn up to eliminate the threat by draining

320-740: The south-eastern angle of Asia, whence the coast trended northwards to Scythia, and then swept round westward to the Caspian Sea. As usual, he places the Riphean Mountains and the Hyperboreans near the Scythian Ocean. In western Europe his knowledge (as was natural in a Spanish subject of Imperial Rome) was somewhat in advance of the Greek geographers. He defines the western coast-line of Spain and Gaul and its indentation by

340-609: The subject in Classical Latin . Little is known of Pomponius except his name and birthplace—the small town of Tingentera or Cingentera (identified as Iulia Traducta ) in southern Spain , on Algeciras Bay (Mela ii. 6, § 96; but the text is here corrupt). The date of his writing may be approximately fixed by his allusion (iii. 6 § 49) to a proposed British expedition of the reigning emperor, almost certainly that of Claudius in AD 43. That this passage cannot refer to Julius Caesar

360-496: The year 1500. It occupies less than one hundred pages of ordinary print, and is described by the Encyclopædia Britannica (1911) as "dry in style and deficient in method, but of pure Latinity , and occasionally relieved by pleasing word-pictures." Except for the geographical parts of Pliny 's Historia naturalis (where Mela is cited as an important authority), the De situ orbis is the only formal treatise on

380-461: Was closed off by the Afsluitdijk, a 32-kilometre (20 mi) dyke connecting Friesland and North Holland on either side of the Zuiderzee. The Zuiderzee was no longer a sea inlet and was renamed IJsselmeer ( Lake IJssel ) after the IJssel river that flows into it, which is also the namesake of the province of Overijssel . The continuing flow of fresh river water soon flushed out the salt water. Part of

400-569: Was one, "Codanovia", of pre-eminent size; this name reappears in Pliny the Elder 's work as Scatinavia . Codanovia and Scatinavia were both Latin renderings of the Proto-Germanic * Skaðinawio , the Germanic name for Scandinavia . Mela's descriptive method follows ocean coasts, in the manner of a periplus , probably because it was derived from the accounts of navigators. He begins at

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