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Impact of Climate Change on Water Resources of zarqa river basin Jordan Gwadi case study . Presented by : Lama Masalha UNESCO Amman Office 17 th July 2010 Beijing, China . The research done by Dr. Ali Naqa , Hashemite University . Amman Zarqa Basin .

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impact of climate change on water resources of zarqa river basin jordan gwadi case study

Impact of Climate Change on Water Resources of zarqa river basin Jordan Gwadi case study

Presented by : Lama Masalha

UNESCO Amman Office

17th July 2010

Beijing, China

amman zarqa basin
Amman Zarqa Basin
  • Second main tributary to Jordan river
  • Arid and semi arid of the Mediterranean climate
  • 3900 km2
  • 300 mm annual rainfall
  • There are 56 meteorological and hydrological stations with more than 200 observation wells
problems facing the basin
Problems facing the basin
  • High development activities
  • Over abstraction , 100 % from the safe yield
  • Deterioration of water quality, wastewater plant, irrigation practices and industry practices
main objectives of the study
Main objectives of the study:
  • Collect , analysis and evaluate the hydrological and meteorological data
  • Model the impact of climate scenarios using general circulation models ( GCMs)
  • Prepare water resources vulnerability mapping using GIS
  • Investigate the impact of climate change on water resources
  • Identify the possible adaptation measures including integrated water resources management and action plan
data collection
Data collection:
  • Rainfall monitoring network consist 56 stations of rainfall, evaporation and runoff.
  • Most of the rainfall station include class A pan to measure the evaporation rate, anemometer to measure the wind speed, sunshine recorder and relative humidity sensor
hydrological modeling of zarqa basin
Hydrological modeling of Zarqa basin
  • WEAP software was used ( Water Evaluation and Planning system)
  • The basin was divided into five sub catchments using ArcHydrolTool with in the GIS environment
runoff estimation for base scenario
Runoff estimation for base scenario
  • The base scenario was implemented to take the years from 1970 to 2000
  • The model use the daily precipitation (mm)
  • Daily evaporation ( mm)
impact of climate change on surface runoff
Impact of climate change on surface runoff
  • HADGEM1: Hadley Center Global Climate Model, UK.
  • CSIROMK3: Commonwealth Scientific and Industrial Research Organization (CSIRO), Australia.
  • ECHAM5OM: The 5th generation of the ECHAM general circulation model, Max Planck Institute for Meteorology, Germany
next step
Next step:
  • Prepare water resources vulnerability mapping taking into account the climate change factors
  • Propose water resources adaptation and mitigation measures to reduce the impact of climate change
  • Propose integrated water resources management action plan in response to climate change