River runoff changes and recent climatic fluctuations in Bulgaria
Bulgarie ; Changement global ; Eau ; Ecoulement fluvial ; Gestion de l'eau ; Précipitation ; Ressource en eau ; Sécheresse ; Série chronologique ; Variation climatique ; Variation saisonnière
Bulgaria ; Climatic variation ; Drought ; Global change ; Precipitation ; Seasonal variation ; Stream flow ; Time series ; Water ; Water management ; Water resources
and their correlation. One of the main conclusions is that climatic change manifested in the last 15 years has significantly influenced river runoff. The results of this study point to several problems of regional and local importance.
This paper reports the results of continuing studies of sediment loads in Bulgarian rivers, with the purpose of elucidating the natural and regional distribution of natural and anthropogenic changes in sediment load through time.
Hydrological changes in 4 stream basins situated on the northern slopes of the Stara Planina range (North Bulgaria) and in the Rodopi massif (South Bulgaria) have been investigated during the 1951-1989 time period. Curves of runoff and precipitation