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Titre du document / Document title

The greatest soda-water lake in the world and how it is influenced by climatic change

Auteur(s) / Author(s)

KADIOGLU M. (1) ; SEN Z. (1) ; BATUR E. (1) ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

(1) Istanbul Technical University, Meteorology Department, Hydrometeorology Research Group, Maslak 80626 Istanbul, TURQUIE

Résumé / Abstract

Global warming resulting from increasing greenhouse gases in the atmosphere and the local climate changes that follow affect local hydrospheric and biospheric environments. These include lakes that serve surrounding populations as a fresh water resource or provide regional navigation. Although there may well be steady water-quality alterations in the lakes with time, many of these are very much climate-change dependent. During cool and wet periods, there may be water-level rises that may cause economic losses to agriculture and human activities along the lake shores. Such rises become nuisances especially in the case of shoreline settlements and low-lying agricultural land. Lake Van, in eastern Turkey currently faces such problems due to water-level rises. The lake is unique for at least two reasons. First, it is a closed basin with no natural or artificial outlet and second, its waters contain high concentrations of soda which prevent the use of its water as a drinking or agricultural water source. Consequently, the water level fluctuations are entirely dependent on the natural variability of the hydrological cycle and any climatic change affects the drainage basin. In the past, the lake-level fluctuations appear to have been rather systematic and unrepresentable by mathematical equations. Herein, monthly polygonal climate diagrams are constructed to show the relation between lake level and some meteorological variables, as indications of significant and possible climatic changes. This procedure is applied to Lake Van, eastern Turkey, and relevant interpretations are presented.

Revue / Journal Title

Annales geophysicae    ISSN  0992-7689 

Source / Source

1997, vol. 15, no11, pp. 1489-1497 (9 ref.)

Langue / Language

Anglais

Editeur / Publisher

Copernicus, Göttingen, ALLEMAGNE  (1988) (Revue)

Mots-clés anglais / English Keywords

Turkey

;

lakes

;

hydrochemistry

;

climate modification

;

climate warming

;

greenhouse effect

;

water quality

;

changes of level

;

atmospheric precipitation

;

runoff

;

evaporation

;

water resource management

;

Middle East

;

Asia

;

Mots-clés français / French Keywords

Turquie

;

Lac

;

Hydrochimie

;

Modification climat

;

Réchauffement climat

;

Effet serre

;

Qualité eau

;

Variation niveau

;

Précipitation atmosphérique

;

Ruissellement

;

Evaporation

;

Gestion ressource eau

;

Moyen Orient

;

Asie

;

Mots-clés espagnols / Spanish Keywords

Turquía

;

Lago

;

Hidroquímica

;

Efecto invernadero

;

Calidad agua

;

Variación nivel

;

Precipitación atmosférica

;

Brillo

;

Evaporación

;

Gestión recurso agua

;

Oriente Medio

;

Asia

;

Localisation / Location

INIST-CNRS, Cote INIST : 19920, 35400006949235.0120

Nº notice refdoc (ud4) : 2047974



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