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PALAEOCLIMATIC ESTIMATION FROM MIOCENE OF ROMANIA, BASED ON PALYNOLOGICAL DATA

Domenii publicaţii > Ştiinţele pământului şi planetare + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Ţabără, D., Chirilă, G.

Editorial: Carpathian Journal of Earth and Environmental Sciences, 7 (2), p.195 - 208, 2012.

Rezumat:

Few climatic parameters available for the stratigraphic interval between Aquitanian – Pontian
from Romania, have been obtained after analysis of the palynological associations using the Coexistence
Approach. The results obtained for MAT (mean annual temperature), MAP (mean annual precipitations),
WMT (mean temperature of the warmest month), CMT (mean temperature of the coldest month), have
been synthesised and palaeoclimatic diagrams have been plotted, revealing visible climatic fluctuation for
the analysed interval. Palaeoclimatic curve was calculated for Dacian Basin, covering the southern and
eastern part of Romania and Transylvanian Basin (Central-Western area of the country). MAT with high
value have been observed for the Burdigalian (approximately 18.4°C), then a general trend of cooling was
observed. The calculated values of MAP from the Miocene reach from 957–1353 mm. Beginning with the
Late Miocene, a slight cooling and some drying is recorded in Dacian Basin due to a regional
palaeogeographic reorganizations and tectonic processes. Our study provides a new insight into
palaeoclimatic evolution from Romania, based on palynological data

Cuvinte cheie: palynology, palaeoclimate reconstruction, Coexistence approach, Miocene, Paratethys, Romania

URL: http://www.ubm.ro/sites/CJEES/viewTopic.php?topicId=229