Batimetría y análisis morfométrico del lago de Atitlán  (Guatemala)

Fátima  Reyes Morales; Domingo Ujpan; Samuel Valiente

doi:10.54495/Rev.Cientifica.v27i2.70

Authors

Fátima Reyes Morales Authority for the Sustainable Management of the Lake Atitlán Basin and its Surroundings
Domingo Ujpan Authority for the Sustainable Management of the Lake Atitlán Basin and its Surroundings
Samuel Valiente Authority for the Sustainable Management of the Lake Atitlán Basin and its Surroundings

DOI:

https://doi.org/10.54495/Rev.Cientifica.v27i2.70

Keywords:

morphometry, bathymetric map, hypsographic curve, effective fetch, deep tropical system

Abstract

The lake Atitlan basin is endorheic and is the deepest body of water in Central America. Information regarding its bathymetry and morphometry has not been updated since 1975.The objective of a bathymetric study in Lake Atitlán was to determine its morphometry and in the future, understand some physical, chemical and biological processes. For the bathymetric survey of Lake Atitlán, during 2014, depth data were taken along the lake with a multi-frecuency echo sounder. Later, the information was processed and 16 morphometric parameters were obtained, such as volume, area, perimeter, maximum depth, effective fetch, length and maximum width, among others. The surface area of the lake obtained was 125.77 km2, perimeter of 101.67 km and a volume of 25.46 km3. Lake Atitlan is a deep tropical system with a maximum depth of 327.56 m, an average depth of 203.21 m and concave; according to the hypsographic curve. The bathymetric map of the year 2014, presents few morphometric and morphological differences compare with the one that was realized in 1975.

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