Hydro-climatological variability in the Murray-Darling Basin

Natalie Lockart; Dmitri Kavetski; Stewart Franks

Hydro-climatological variability in the Murray-Darling Basin

Natalie Lockart^*, Dmitri Kavetski, Stewart Franks

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Investigations into the recent drought in the Murray-Darling Basin have brought to light confusion surrounding the cause and effect of temperatures, potential evaporation and actual evaporation. In this study, a simple coupled land surface-planetary boundary layer model is used to illustrate the role of soil moisture in controlling evaporation and temperature, and to explore the interaction between potential and actual evaporation and temperatures under drought conditions. We demonstrate that increased temperatures during drought conditions are a result of the reduced soil moisture and actual evaporation. It is also shown that potential evaporation is increased under drought conditions as a result of increased atmospheric moisture demand, which is itself due to the decreased actual evaporation.

Original language	English
Title of host publication	Hydro-Climatology
Subtitle of host publication	Variability and Change
Pages	105-111
Number of pages	7
Volume	344
Publication status	Published - 25 Nov 2011
Event	Hydro-climatology - Variability and Change Symposium, part of the 25th International Union of Geodesy and Geophysics General Assembly, IUGG 2011 - Melbourne, VIC, Australia Duration: 28 Jun 2011 → 7 Jul 2011

Conference

Conference	Hydro-climatology - Variability and Change Symposium, part of the 25th International Union of Geodesy and Geophysics General Assembly, IUGG 2011
Country/Territory	Australia
City	Melbourne, VIC
Period	28/06/11 → 7/07/11

Keywords

Drought
Evaporation
Murray-Darling Basin
Soil moisture
Temperature

Cite this

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title = "Hydro-climatological variability in the Murray-Darling Basin",

abstract = "Investigations into the recent drought in the Murray-Darling Basin have brought to light confusion surrounding the cause and effect of temperatures, potential evaporation and actual evaporation. In this study, a simple coupled land surface-planetary boundary layer model is used to illustrate the role of soil moisture in controlling evaporation and temperature, and to explore the interaction between potential and actual evaporation and temperatures under drought conditions. We demonstrate that increased temperatures during drought conditions are a result of the reduced soil moisture and actual evaporation. It is also shown that potential evaporation is increased under drought conditions as a result of increased atmospheric moisture demand, which is itself due to the decreased actual evaporation.",

keywords = "Drought, Evaporation, Murray-Darling Basin, Soil moisture, Temperature",

author = "Natalie Lockart and Dmitri Kavetski and Stewart Franks",

year = "2011",

month = nov,

day = "25",

language = "English",

isbn = "9781907161193",

volume = "344",

pages = "105--111",

booktitle = "Hydro-Climatology",

note = "Hydro-climatology - Variability and Change Symposium, part of the 25th International Union of Geodesy and Geophysics General Assembly, IUGG 2011 ; Conference date: 28-06-2011 Through 07-07-2011",

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TY - GEN

T1 - Hydro-climatological variability in the Murray-Darling Basin

AU - Lockart, Natalie

AU - Kavetski, Dmitri

AU - Franks, Stewart

PY - 2011/11/25

Y1 - 2011/11/25

N2 - Investigations into the recent drought in the Murray-Darling Basin have brought to light confusion surrounding the cause and effect of temperatures, potential evaporation and actual evaporation. In this study, a simple coupled land surface-planetary boundary layer model is used to illustrate the role of soil moisture in controlling evaporation and temperature, and to explore the interaction between potential and actual evaporation and temperatures under drought conditions. We demonstrate that increased temperatures during drought conditions are a result of the reduced soil moisture and actual evaporation. It is also shown that potential evaporation is increased under drought conditions as a result of increased atmospheric moisture demand, which is itself due to the decreased actual evaporation.

AB - Investigations into the recent drought in the Murray-Darling Basin have brought to light confusion surrounding the cause and effect of temperatures, potential evaporation and actual evaporation. In this study, a simple coupled land surface-planetary boundary layer model is used to illustrate the role of soil moisture in controlling evaporation and temperature, and to explore the interaction between potential and actual evaporation and temperatures under drought conditions. We demonstrate that increased temperatures during drought conditions are a result of the reduced soil moisture and actual evaporation. It is also shown that potential evaporation is increased under drought conditions as a result of increased atmospheric moisture demand, which is itself due to the decreased actual evaporation.

KW - Drought

KW - Evaporation

KW - Murray-Darling Basin

KW - Soil moisture

KW - Temperature

UR - https://www.scopus.com/pages/publications/81755176718

M3 - Conference contribution

AN - SCOPUS:81755176718

SN - 9781907161193

VL - 344

SP - 105

EP - 111

BT - Hydro-Climatology

T2 - Hydro-climatology - Variability and Change Symposium, part of the 25th International Union of Geodesy and Geophysics General Assembly, IUGG 2011

Y2 - 28 June 2011 through 7 July 2011

ER -

Hydro-climatological variability in the Murray-Darling Basin

Abstract

Conference

Keywords

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