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Dr. Sarah Null

Dr. Sarah Null

Watershed Sciences

Associate Professor

Contact Information

Office Hours: by appointment, Office Location NR 354
IconPhone: 435-797-1338


Learn more about research, graduate students, and student opportunities at the ACWA Lab website

Sarah uses her background in water resources systems analysis and physical geography to monitor and mathematically model processes and interactions of built and natural water resources systems. Systems analysis, mathematical modeling and field studies are the methods she uses to improve understanding of systems and explore promising solutions to problems. Sarah's main research interests are:

  • systems modeling to quantify water supply and aquatic habitat tradeoffs,
  • monitoring and modeling managed environmental water for maximum environmental benefit, and 
  • predicting climate change effects on hydrology, water quality, and aquatic habitat to anticipate change and identify promising adaptation strategies

Sarah has a bachelor's degree in Economics from UCLA, and master's and doctoral degrees in Geography from UC Davis. Prior to coming to USU, she worked as a postdoctoral scholar at UC Davis' Center for Watershed Sciences. 


WATS 6050 - Aquatic Ecosystem and Water Resource Systems Modeling (Fall, even years)
WATS 6900 - Stream Temperature and Fish Bioenergetics Modeling (co-taught with fish ecologist, Dr. Jereme Gaeta) (Fall, odd years)
WATS/WILD 6700 - Restoration Ecology (co-taught with wetland ecologist, Dr. Karin Kettenring)
WATS 6900/ PSC 6900 – Modeling Environmental Change (co-taught with Drs. Patrick Belmont, Luis Gordillo, and Simon Wang, a geomorphologist, mathematician, and climate scientist, respectively)
GEOG 1000 - Physical Geography (Fall)
GEOG 1005 - Physical Geography Lab (Fall)

Current Graduate Students:

Ali Farshid, PhD, Watershed Sciences
Greg Goodrum, PhD, Watershed Sciences
Christina Morrisett, PhD, Watershed Sciences
Ratha Sor, Post-doctoral Scholar
Eryn Turney, MS, Watershed Sciences

Research IDGoogle Scholar