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usgs_staff_profile:

 meta:
   status_code: 200
   timestamp: '2023-09-30T17:25:08.454519'
   url: https://www.usgs.gov/staff-profiles/shaul-hurwitz
 profile:
   abstracts: []
   affiliations: []
   education:
   - PhD (1999), The Hebrew University of Jerusalem
   email: shaulh@usgs.gov
   expertise_terms:
   - Volcano hydrothermal systems
   - Numerical simulation
   - Geysers
   - Volcanic lakes
   - Geothermal energy production
   - Groundwater quality
   honors: []
   intro_statements:
   - My research objectives are to characterize and quantify spatial and temporal
     patterns of temperature, pressure, chemistry, and phase (e.g. liquid or gas)
     in volcano-hydrothermal systems and relate them to magmatic and/or volcanic
     activity.
   name: Shaul Hurwitz
   name_qualifier: null
   orcid: 0000-0001-5142-6886
   organization_link: https://www.usgs.gov/observatories/calvo
   organization_name: California Volcano Observatory
   personal_statement: "Quantitative understanding of groundwater and gas-rich fluid\
     \ dynamics in volcanic areas is important for several reasons: 1) pressure,\
     \ temperature and chemical changes in the hydrothermal system might signal one\
     \ of the earliest warnings of volcanic unrest, 2) Many of the geochemical, geodetic,\
     \ and seismic signals measured at the volcano\u2019s surface have hydrothermal\
     \ origins or magmatic origins modulated by the intervening hydrothermal system,\
     \ 3) as a major source of hazard such as propellant in steam-driven explosions,\
     \ lubricant in mudflows, and transport agent for toxic constituents such as\
     \ arsenic and mercury, 4) guiding exploration and mining of geothermal energy\
     \ and mineral deposits. To better understand these complex systems I integrate\
     \ and synthesize hydrologic, geochemical, geologic, and geophysical methods.\
     \  My research is intended to support the USGS Volcano Hazards Program\u2019\
     s broad goal of lessening the harmful impacts of volcanic activity and the Geothermal\
     \ Project's goals of exploring reservoirs of hot fluids in the Earth\u2019s\
     \ crust.Research topics:Water-gas-rock interaction in volcano-hydrothermal systems\
     \ using field observations, chemical and isotopic data, controlled laboratory\
     \ experiments and thermodynamic modelsNumerical simulations of volcano-hydrothermal\
     \ systemsModulation of volcanic and geyser activity by cyclic hydrological and\
     \ climatic forcers and by large earthquakesThe effects of deglaciation on Yellowstone's\
     \ hydrothermal systemHeat transport in volcanic systemsDynamics and chemistry\
     \ of volcanic lakesGeyser dynamics - motivation for studying geysersThe impact\
     \ of geothermal energy production on groundwater qualityDevelopment of a field-portable\
     \ helium isotope analyzer"
   professional_experience: []
   title: Research Hydrologist