Research

Research

Climate change and its impacts on environmental systems

  • Climate change signal detection from observations and climate models, considering natural variability
  • Assessment of climate change impacts on hydrological and ecological systems
  • Stochastic modelling approached to study climate change impacts while accounting for climate natural variability
  • Climate change impact on streamflow
  • Climate change impact on cereal production
  • Climate change impact on insect population dynamic

Climate change impacts on environmental systems

Flash flood prediction and potential

  • Hydrometeorological conditions for flash floods generation in arid, semi-arid and Mediterranean regions
  • Flooding potential of storms
  • Estimation of maximal flash flood magnitude
  • Intra-basin processes during extreme flash-floods
  • Flash flood warning systems
  • Synoptic indexes of Israel desert flash floods
  • Flash flood sensitivity to precipitation space-time pattern

Flash flood prediction and potential

Geomorphology

  • Evolution of gravel-bed channels in response to non-steady flow regime
  • Changes in the channel of Nahal Arava downstream section
  • Water erosion as the cause of loss of fertile land in Israel

Geomorphology example

Multi-sensor quantitative precipitation estimation

  • Radar-based precipitation estimation
  • X-band radar precipitation estimation and analysis

Multi-sensor precipitation

Paleohydrology

  • The Eastern Mediterranean - Levant late Quaternary climates
  • Relationships between precipitation magnitude and patterns and the Dead-Sea lake levels at late Holocene

Dead Sea lake level

Precipitation patterns and extremes

  • Space-time patterns of convective storms derived from radar data in arid, semi-arid and Mediterranean regions
  • Space-time patterns of global extreme precipitation events
  • Intensity-duration-frequency (IDF) from remotely-sensed data
  • Precipitation patterns of flash-flood producing synoptic systems

Rain cells properties

Stochastic weather generator

  • High space-time resolution rainfall generator (HiReS-WR) producing "radar-like" rain fields
  • Point weather generators for meteorologic station data

Stochastic weather generator