Some climate parameters evolution within Danube Delta Biosphere Reserve territory for 1961-2013 period
Journal Title: Scientific Annals of the Danube Delta Institute - Year 2016, Vol 22, Issue
Abstract
This study aims to study the climate change knowing the climate parameters as an important step to determine the changes and their meaning. Knowing that the meaning of the changes is valuable information for future actions to adapt to climate change. For a consistent study, ROCADA dataset was used for the evolution of climatic parameters in the Danube Delta Biosphere Reserve territory. This is a set of daily gridded data for the entire Romanian territory, covering data from 1961 to 2013 with values for weather variables. From the mentioned dataset there were extracted information for the Danube Delta Biosphere Reserve and a 20 km buffer zone. From the extracted data, it was taken into account a set of 16 points widely distributed in a manner to cover all the area in order to provide weather information as much as possible close to the reality from the field. Inside the expanded study area there were materialized the selected points (centred cell) in order to be relatively evenly distributed across it’s the entire surface. In the point selection process there were taken into account the S-N and V-E directions. From the data the assessment of rainfall evolution for most points shows very little decrease which can be interpreted as a very slight increase of the dryness for the studied period. This very slight decrease in rainfall is supported by the low or very low negative correlation coefficients along the passing of the years. The area under research shows, in terms of climate, a trend toward aridity.
Authors and Affiliations
Marian Mierla
Keywords
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