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DESERT DE SECHURA


It is to 55 km to the Southwest of the city of Piura (at one hour in car). It is the biggest desert in Peru, it has an extension of more 5000 km2.

He/she is considered divided in sections that they are The Pampas of El Salvador, Sacred Christ's Pampas, of Huaquilla, and of The Dogs. In Lambayeque, the uninhabited of Olmos and of Mórrope.

A thick layer of sand that forms dunes covers the whole deserted piurano. The phenomenon of the dunes is not observed in the south part by its vicinity to the sea and because of the sea breezes that drag the sands to the interior, leaving the tablazos lacking dunes.

When the eolic sands find in their journey an obstacle like a hill or a tree, they form a dune. These generally appear about 50 Kms.. inland and only the river Piura in its high course, serves him/her as great barrier.

In Vicús, located in the nor-oriental end of the deserted piurano, the layer of sand has a thickness of 57 m. checked in 1955. More to the south and following the course of the Pan-American old highway the thickness is of 50 m. but in the middle of heart of the desert, that thickness is of 100 m.

In spite of that lonely landscape, the desert is crossed by underground currents of water. In 1926 IPC that explored the region, found to 11 Km.. to the south of Bayóbar, it dilutes when perforating the Well Non 0l until 102 m., with which you could cultivate for many years a chacra of two hectares. There are some gulches and also the river Cascajal that takes their waters to the desert where they get lost. The one mentioned river 50 kms penetrates. in the sandbank and then he/she forks in the gulches of Minchales and Yudur-Belisario that then unite to form the gulch from Ñamuc to the south of the Pampas of the Dogs again where they originate the famous ones saline. Of these the most important is the one from the Hill to 12 Km.. to the east of the hill Illescas that occupies a depression located 24 m under the sea level in an area that has 20 Km.. of long for 14 Km.. of wide.

The gulches that we have mentioned generally remain dry, but in 1983 they transformed into torrents of revitalizing water. In 1998 they formed the great lake Niña that partly existed until ends of 1999.

The desert is very rich in phosphates whose exploitation is being about intensifying large-scale.

The new line of the Pan-American one, crosses the sandbank shortening distances and in Bayóvar a modern marine terminal has been built, where it arrives for the pipeline that crosses the desert, the petroleum that is extracted of the forest.

For the animal and vegetable life, the conditions that he/she offers the desert are very hard and everything makes suppose that it has been this way he/she makes thousands of years.

Source: http://es.geocities.com / prehistoriadelacostanorperuana / desierto_sechura.htm



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© Copyright 2005 Gualberto Valderrama C.