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Climate change or irrigated agriculture – what drives the water level decline of Lake Urmia

Schulz, Stephan ; Darehshouri, Sahand ; Hassanzadeh, Elmira ; Tajrishy, Massoud ; Schüth, Christoph (2020)
Climate change or irrigated agriculture – what drives the water level decline of Lake Urmia.
In: Scientific Reports, 2020, 10 (1)
doi: 10.25534/tuprints-00011396
Artikel, Zweitveröffentlichung, Verlagsversion

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Kurzbeschreibung (Abstract)

Lake Urmia is one of the largest hypersaline lakes on earth with a unique biodiversity. Over the past two decades the lake water level declined dramatically, threatening the functionality of the lake’s ecosystems. There is a controversial debate about the reasons for this decline, with either mismanagement of the water resources, or climatic changes assumed to be the main cause. In this study we quantified the water budget components of Lake Urmia and analyzed their temporal evolution and interplay over the last five decades. With this we can show that variations of Lake Urmia’s water level during the analyzed period were mainly triggered by climatic changes. However, under the current climatic conditions agricultural water extraction volumes are significant compared to the remaining surface water inflow volumes. Changes in agricultural water withdrawal would have a significant impact on the lake volume and could either stabilize the lake, or lead to its complete collapse.

Typ des Eintrags: Artikel
Erschienen: 2020
Autor(en): Schulz, Stephan ; Darehshouri, Sahand ; Hassanzadeh, Elmira ; Tajrishy, Massoud ; Schüth, Christoph
Art des Eintrags: Zweitveröffentlichung
Titel: Climate change or irrigated agriculture – what drives the water level decline of Lake Urmia
Sprache: Englisch
Publikationsjahr: 2020
Ort: Darmstadt
Publikationsdatum der Erstveröffentlichung: 2020
Verlag: Springer Nature
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Scientific Reports
Jahrgang/Volume einer Zeitschrift: 10
(Heft-)Nummer: 1
DOI: 10.25534/tuprints-00011396
URL / URN: urn:nbn:de:tuda-tuprints-113967
Zugehörige Links:
Herkunft: Zweitveröffentlichung
Kurzbeschreibung (Abstract):

Lake Urmia is one of the largest hypersaline lakes on earth with a unique biodiversity. Over the past two decades the lake water level declined dramatically, threatening the functionality of the lake’s ecosystems. There is a controversial debate about the reasons for this decline, with either mismanagement of the water resources, or climatic changes assumed to be the main cause. In this study we quantified the water budget components of Lake Urmia and analyzed their temporal evolution and interplay over the last five decades. With this we can show that variations of Lake Urmia’s water level during the analyzed period were mainly triggered by climatic changes. However, under the current climatic conditions agricultural water extraction volumes are significant compared to the remaining surface water inflow volumes. Changes in agricultural water withdrawal would have a significant impact on the lake volume and could either stabilize the lake, or lead to its complete collapse.

Status: Verlagsversion
URN: urn:nbn:de:tuda-tuprints-113967
Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Geowissenschaften > Fachgebiet Hydrogeologie
Hinterlegungsdatum: 26 Jan 2020 20:56
Letzte Änderung: 11 Jan 2024 10:06
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