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Dear Colleagues,</div>
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We are seeking a PhD student to join Dr. Bryn Stewart’s research group for Fall 2026 admission in the Department of Hydrology and Atmospheric Sciences at the University of Arizona (Tucson, AZ).</div>
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Our group uses a combination of reactive transport modeling, big data, and fieldwork to understand how stream chemistry and flow dynamics reflect hydro-biogeochemical processes, climate impacts, and other disturbances. Students will have opportunities to participate
in interdisciplinary collaborations and pursue research questions related to watershed hydrology and biogeochemistry. Research topics include but are not limited to: water quality response to extreme events (storms, droughts, wildfires) and climate change,
influence of watershed-specific attributes on stream chemistry dynamics and biogeochemical cycling, and continental-scale patterns in water quality dynamics across different landscapes.</div>
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<span style="color: rgb(0, 0, 0);">We welcome applicants from various disciplines in hydrology, environmental science and engineering, or related fields. Please see
</span><span style="color: rgb(5, 99, 193);"><u><a style="color: rgb(5, 99, 193);" data-auth="NotApplicable" class="OWAAutoLink" id="OWA813e3d68-2be0-4db9-d180-4c101ce9014d" href="https://has.arizona.edu/doctor-philosophy-hydrology-and-water-resources">https://has.arizona.edu/doctor-philosophy-hydrology-and-water-resources</a> </u></span><span style="color: rgb(0, 0, 0);">for
details on department-specific applicant requirements and additional information about the PhD program.</span></div>
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<span style="color: rgb(0, 0, 0);">If you are interested in joining our group, please complete the following form:
</span><span style="color: rgb(5, 99, 193);"><u><a style="color: rgb(5, 99, 193);" data-auth="NotApplicable" class="OWAAutoLink" id="OWAa9ffcfd8-d8e3-76fc-885a-74fa80fc36d8" href="https://forms.gle/QJJUFanezURf2FSq6">https://forms.gle/QJJUFanezURf2FSq6</a></u></span><span style="color: rgb(0, 0, 0);">.
You will need to upload a CV/resume and unofficial academic transcripts. Prospective students will be contacted on a rolling basis.
<b>For full consideration, please submit the form by December 5, 2025. </b></span></div>
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Please share with anyone who may be interested!</div>
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Thanks very much,</div>
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Bryn</div>
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_________________________________________________________________</div>
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<b>Bryn Stewart</b>, Assistant Professor of Hydrogeochemistry (Starting January 2026)</div>
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Department of Hydrology and Atmospheric Sciences</div>
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University of Arizona, Tucson, AZ</div>
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