Arenal Geology and Geomorphology!

The park area consists of Quaternary volcanic rocks with lesser amounts of Tertiary volcanic rocks, recent. The main responsibility of the geological constitution of the park are the volcanic complex-Arenal Volcano Chato and the Lost Volcano complex.

For students of the geomorphology of the Arenal Volcano National Park is a huge laboratory, an area that is characterized by a varied topography, and deposits from areas fluviocoluviales flat to steep areas between 35% and 65%, which gives multiconforme relief. It highlights the deep valleys in the upper, unconsolidated materials and in many cases strongly weathered.

In the middle of rivers and Caño Agua Caliente Black fans will recognize fluviocoluviales material mainly composed of blocks to ashes. Climate Arenal Volcano National Park is influenced by precipitation patterns in the Atlantic and Pacific. microclimate caused by the building trade winds, bringing heavy local rainfall. between 3000 – 4500 mm, with an average temperature ranging from 16 to 24 Celsius.

Climate variations associated with the type of soil and altitude make the area of Arenal Volcano National Park has a variety of different altitudinal vegetation and vegetation, overhanging the bromeliad (Pitcairmia funkiae) endemic to the Arenal Volcano National Park.

Source: FUNDEVOLCA.org

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