1. From above and below: controls of external climate drivers and internal subsurface structure on catchment hydro-biogeochemistry Restricted (Penn State Only) Author: Stewart, Bryn Title: From above and below: controls of external climate drivers and internal subsurface structure on catchment hydro-biogeochemistry Graduate Program: Environmental Engineering (PHD) Keywords: water qualitycatchmenthydrologybiogeochemistryreactive transport modelingclimate changesolute exportdissolved organic carbondissolved inorganic carbon File: Login to Download Committee Members: Elizabeth Boyer, Outside Unit & Field MemberLi Li, Co-Chair & Dissertation AdvisorXiaofeng Liu, Major Field MemberNathaniel Warner, Co-Chair & Major Field MemberPatrick Fox, Program Head/Chair