# UC Davis Graduate Studies

**Source**: https://grad.ucdavis.edu/programs/ghys
**Parent**: https://catalog.ucdavis.edu/departments-programs-degrees/hydrologic-sciences-graduate-group/hydrologic-sciences-phd/

# Hydrologic Sciences

## About the Program

### Learn More About the Program

[Visit the Program](https://www.hsgg.ucdavis.edu)

[Email the Program](mailto:shruiz@ucdavis.edu)

Students gain advanced knowledge of geologic, atmospheric and oceanic sciences; hydrobiology; hydrology; hydrochemistry; engineering; and other applied physical sciences. Students graduate with the qualitative and quantitative skills necessary for professional research and teaching in the physical, chemical, and biological processes that affect the circulation of water and beneficial and/or harmful solutes on Earth.

Degree Type

Interdisciplinary Graduate Group

Degrees Offered

M.S. Plan I \
M.S. Plan II \
Ph.D. Plan C

Lead Dean

College of Agricultural and Environmental Sciences

Degree Requirements

[2023](https://programs.gs.ucdavis.edu/api/doc/4248)

[2020](https://programs.gs.ucdavis.edu/api/doc/3777)

[2016](https://programs.gs.ucdavis.edu/api/doc/3320)

[1992](https://programs.gs.ucdavis.edu/api/doc/3053)

Administrative ByLaws

[2011](https://programs.gs.ucdavis.edu/api/doc/3054)

Major Code

GHYS

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## Admissions and Fellowship Information

Admission Requirements

[UC Davis General Admission Requirements](https://grad.ucdavis.edu/applying-uc-davis)
\
[Program Admissions Requirements](https://www.hsgg.ucdavis.edu/prospective-students)

Admission Deadlines

Priority: Jan 5, 2026\
General: May 1, 2026\

Internal Fellowship Deadlines

Prospective Student Fellowship: Jan 5, 2026\
Continuing Student Fellowship: Jan 15, 2026

### Admissions Actions

[Request Admissions Info](https://apply.grad.ucdavis.edu/register/?id=9c9a7154-1f83-4dfa-a1c8-e60f719b1b81)

[Apply for Admission](https://grad.ucdavis.edu/node/841)

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## Program Contact Information

### Primary Program Contacts

Graduate Program Coordinator

**Program Coordinator**\
 Shila Ruiz
\
(530) 752-1669 | [shruiz@ucdavis.edu](mailto:shruiz@ucdavis.edu)

Graduate Program Chair

**Graduate Group Chair**\
 Helen Dahlke
\
[hdahlke@ucdavis.edu](mailto:hdahlke@ucdavis.edu)

### Additional Contacts

Program Contacts

**Advisor: General**\
 Yufang Jin
\
Hydrologic Sciences \
(530) 219-4429 | [yujin@ucdavis.edu](mailto:yujin@ucdavis.edu)

**Advisor: General**\
 Isaya Kisekka
\
Hydrologic Sciences \
[ikisekka@ucdavis.edu](mailto:ikisekka@ucdavis.edu)

**Advisor: General**\
 Samuel Sandoval Solis
\
Hydrologic Sciences \
(530) 750-9722 | [samsandoval@ucdavis.edu](mailto:samsandoval@ucdavis.edu)

Graduate Studies Contacts

**Senior Academic Advisor**\
 Sarah Hamid
\
(530) 754-2355 | [shamid@ucdavis.edu](mailto:shamid@ucdavis.edu)