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Mixing Time for the Dead Sea Based on Water and Salt Mass Balances

Författare:
Publiceringsår: 2010
Språk: Engelska
Sidor: 55-66
Publikation/Tidskrift/Serie: Journal of Water Management and Research (VATTEN)
Volym: 66
Nummer: 1
Dokumenttyp: Artikel

Sammanfattning

Water and salt mass balances for the Dead Sea were modeled. Precipitation, evaporation, river discharges,
ground water flows, input/output from potash companies and salt production, and brine discharge were
included
in the models. The mixing time in the Dead Sea was modeled using a single-layer (well-mixed) a
two-layer (stratified) system.
Using the single-layer approach the water level was predicted to change from 411 m below mean sea level
(bmsl) (in 1997) to 391 m and 479 m bmsl (in 2097) based on water mass balances including and excluding
brine discharge, respectively, and to reach 402 m and 444 m for the two cases based on a salt mass balance.
In the two-layer approach the water level after 100 years was predicted to change from 411 m bmsl (1997)
to 397 m and 488 m for a water mass balance including and excluding brine discharge, respectively, and to
reach 387 m and 425 m for the two cases using a salt mass balance.
The water mixing time using the single-layer description increased from 58 to 116 years when excluding
brine discharge. Using the two-layer approach the exchange or mixing time increased in both layers, when
adding
brine discharge to the system, from 1.2 to 1.7 years and 11 to 15.3 years in the upper and lower layers,
respectively. Good agreement was found between the models and historical data.

Disputation

Nyckelord

  • Technology and Engineering
  • Mixing time
  • Salinity
  • Single-Layer and Two-Layer system
  • Red Sea-Dead Sea Canal (RSDSC)
  • Dead Sea water level
  • Water-Salt balance
  • Historical comparison.

Övriga

Published
Yes

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