Buzau Valley, Valea Buzaului

Buzau Valley - details and images

Buzau is one of the most interesting valleys, the shape and evolution of our country. Springing from Clina Ardelean and Tatarului Ciucasului Mare, after flowing north to the town of Buzau Intorsura make a bend about 180 degrees, turning to the south.

The phenomenon of return is so striking that even gave the name of the town, then cuts off, by a narrow gorges, massive Siriu highest in the region and Horse Bridge, starting at the Romanian Plain. Next, make a new strong side Cislau and Magura, because you got to grasp it plain, not the river but the U.S., shedding is in Siret. If we add to those above and some of its tributary valleys and primarily large and small Basque and Basque Chiojdului and even Syria, with "faults" are the result even more important for deciphering the evolution Buzau units through which the relief .

Over the years have dealt with the evolution of this valley a number of researchers, among which the Gabor Schilling (1910), N. Orghidan (1932,1939,1969), Nordolon A. (1931), and V. Gr Posea Garbacea (1967.1969) for the mountain. Slope drainage basin from Buzau Intorsura is much lower compared to the slope of the gorge and Nehoias key, a similar situation occurs with the upper basin of Little Basca, especially Basca Mare, the pelvis in command has a low slope. The springs, Buzau valley, as two Basque, is the longitudinal valleys, following several lines of structural or tectonic (synclines, anticlines, faults or subduction leading), it is up to Intorsura Buzau, Basca Mare until downstream of the Order and the Basque Minor until the right point Halom.

Further, lip is a transverse valley, extended until Cislau downstream, until Parscov, where, over a distance of several km, turns into a longitudinal valley. From Unguriu restored cross valley. Regarding the tributary valleys of the Basque Little mention of the right Maciuca peak (991 m from the nearest Slanic), turns into a longitudinal valley which has continued the Basque Rosilei local and cross-sector, cross a valley to Syria south of the massif of the same name where, through an elbow 90 °, transfoma longitudinal valley; Basque Chiojdului is cross throughout and, except for very small areas between the river mouth and at the (Calvin-CISL) , it also cuts off the last Basque and two sinks Miocene (Slanic and Drajna) and that the two spurs (Homoriciu and Valeni).

Origin Buzau valley cross was laid for the first time in detail by Schilling Gabor (1910). He admits that emerged in Transylvania Wallachia Buzau capturing valleys that drain the basin and is shed Intorsura River. The author does not indicate the age of abstraction, but only that it occurred at about 40 m above the current riverbed Intorsura earlier as directing valleys north of the river valley above the present sea lăutul (Hamas). It follows that it is a relatively recent capture. Case ascribe capture a large amount of rainfall that fell during that time as the southern slopes of the Carpathians. Arguments have been disproved by the author quoted by N. Orghidan (1932.1939) and by Gr.Posea and Girbacea V. (1958). Thus, the lowest level and the closest it has been and is Intorsura of Barsa, Buzau Highlander, if he had filed regressive, have struggled, in addition to the axial line lifts Siriu - Penteleu; differences rainfall is a factor which can not be determined in terms of altitude in the Carpathians and remains quite insignificant compared with the cases morfotectonice (basic level, movements).

The general conclusion is that the Buzau valley is a history of safe predaciana old, when he had springs in the northern basin Birs, and now is threatened with capture in Intorsura. Role sinks Miocene (Drajna and Slanic) in Buzau hydrography was somewhat horizon by N. Popp (1933) which, based on the sink extended Drajna Nehoiu depression over the direction and further development of Basque and Basque Rosilei Small omits the possibility of a valley that runs from the mouth Teghii initial and the Chiojdu and Drajna Nehoiu. At the direction of flow can add a second, located further north and parallel to the first, which is starting to develop Hartagului Valley (north of Siriu) and getting away across the city means Syria and Slanic Slon, lane Mountains west of the existing morphological Monteoru would indicate this. If you also remember the color, the same direction, there Prahova Basin (eg north and south of the Posada canyon) the situation may seem somewhat general. Such longitudinal valleys, represents the first hydrographic network, of course, probably in late Miocene and congealed previous act drain direction Buzau.
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