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Sardinia
is, for greatness, the second island of the Mediterranean: measure
24.089 km2, is inclusive among the 38° 51' 52 '' and the 41° 15'
42 '' of latitude North and among the 8° 8' and 9° 50'
of East longitude. Sets to the center of the western
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Mediterranean, it
is distant from Corsica as soon as 12 kms, 120 Kms. from Tuscany,
185 Kms. coasts give of North-Africa, you/he/she is surrounded
by very deep sea backdrops and it has a coastal development of
1.849 Kms. The coasts are generally
tall and rocky, they race rectilinear for kilometers, but they
are often articulated and they abort in promontories, with
ample and deep inlets edged from islets. In proximity of the
low and plain coasts they meet him, in the hinterland, ponds,
swamps, expanses of dunes. For long lines, northwestern and
Northeast the coastal line becomes impervious and jagged.Being
an ancient earth, with rocks that go up again ago to the Paleozoic
Antico(300 million of years), the island doesn't possess mountainous
reliefs of great heights because of long processes of erosion.
The rocky highlands of granite predominate, schist, trachite,
basalt (said "jars" or "gollei"), sandstone,
dolomie-limestones (said "tonneri" or "heels")
of inclusive height between the 300 and the 1.000 meters.Among
the massive mountainous they detach that of the Gennargentu
- in the center of the Island - with his/her taller top (1.834
ms.), the Limbara Mountain (1.362 ms.) to North and the Rasu
Mountain, culminating party of the so-called one "chain
of the Marghine", that transversally lengthens for 40
Kms toward North. To them articulated and deep subsidences
are accompanied where they often flow courses of water. To
exception of the Campidano, great lowland that from the gulf
of Cagliari it goes up again for around 100 kilometers up to
the gulf of Oristano, the lowlands they are few and of modest
extender.
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Of the native great
forests of lecci, oaks, sprite of intense exploitation since the
most ancient times - ample edges
that interest around 1/6 some overall surface for around 475.000
hectares remain today. Particularly remarkable it is the forest
of Gutturu Mannu, in the South, the greatest of the Mediterranean.
Three
are the most greater rivers - for length and course of water: the
Flumendosa, that flows in the southern party of the Oriental coast,
the Tirso that flows in the gulf of Oristano and the Coghinas,
that it flows to North in the gulf of the Asinara. Another important
river is the I Fear that it flows to Bosa and it is the only navigable
river of Sardinia.
The waters of the
Sardinian rivers are been bridled to form artificial lakes and
dikes. |
Of remarkable
interest,
also from the naturalistic-environmental viewpoint, the waters
that from the subsoil riaffiorano in rising carsiche to the
open one and in cave.The termo-mineral sources are different
that gush out from the fractures of the ground owed to the ancient
processes
of volcanism of the Tertiary and Quaternary one. Waters
are exploited to therapeutic purpose and are commercialized as
drink.
The climate of the island is generally mild, influenced by masses of air coming
from the Atlantic, from Africa and from the arctic one.
The time is serene: within the year, around 300 days they are of sun and the
pluvius remainders, with a greater concentration of the
raininess in the winter and autumn season and some sudden
downpour in the spring
season. The midrange temperature of July is of 23.9° while
that of January is of 11.1°; the rate of damp wanders
around 70% (annual average).
The island is very ventilated. The mistral, dominant wind of North West, is fresh
and prickly in winter, while in summer mitigates the warm one making the driest
and breathable air. Less frequent the sirocco - which the southern coast is exposed
- and the winds of east and northeastern, that blow along the oriental coast.
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Il sito è online
dal 01/12/2003
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