Earth Systems Science

Louis Graup

My research aims to understand the feedbacks between hydrology, drought and vegetation under changing climate regimes. I use this knowledge to explore forest management techniques that will enhance water resource availability for downstream communities.

Daniel Sousa

I am a postdoc working with the La Kretz Center at Sedgwick Reserve. My research interests lie at the intersection of geophysical data analysis and conservation ecology. My research primarily uses optical and thermal satellite image time series, in conjunction with field measurements, to better understand spatiotemporal landscape patterns.

Andrea Adams

Dr. Adams is an ecologist conducting collaborative, interdisciplinary research to explore how novel, mixed-methods approaches can achieve measurable conservation success for threatened wildlife. She has worked in the government, nonprofit, academic, and private sectors, specializing in endangered species policy and management, disease ecology, amphibian biology, and southern California natural history.

Amy Moser

Amy Moser is a PhD student in the Earth Science department working with Brad Hacker.

She holds a BA in Geosciences from Franklin and Marshall College (2014) and an MS in Geology from Utah State University (2017).

Her current research combines geochronology, structural geology, and metamorphic petrology to understand the deformation, modification, and formation of Earth's deep crust.


Peter Alagona

Peter Alagona's research focuses on the histories of land use, natural resource management, environmental politics, and ecological science in the North American West and beyond. He has particular interests in endangered species and biological diversity, and he is developing a new research and teaching initiative on the history of ideas about environmental change.

Noah Molotch

My research and teaching interests are focused on the processes controlling hydrologic fluxes in semi-arid regions. My research projects utilize ground-based observations, remote sensing, and computational modeling to obtain comprehensive understanding of hydrological processes; in particular the distribution of snowmelt, soil moisture and streamflow. Additional projects aim at developing techniques for scaling hydrological processes and for designing ground-based observation networks tailored for integration with remote sensing and modeling.

Roland Knapp

The general goal of my research is to understand how natural and anthropogenic factors influence the structure and function of aquatic ecosystems. The research questions I focus on are the result of my interest in a particular ecosystem: California's Sierra Nevada. Despite the critically important ecosystem services provided by this mountain range to millions of people, many aspects of Sierra Nevada aquatic ecosystems remain poorly understood.

Mountain Lakes Research Group

We are ecologists based at the Sierra Nevada Aquatic Research Laboratory who study mountain lakes, at the population, community, and ecosystem levels. Our objective is to conduct rigorous science to solve management challenges in California’s Sierra Nevada. To quantify populations, communities, and ecosystems, we employ long-term capture-mark-recapture studies, whole-lake experiments, large-scale synoptic surveys, and modern analytical approaches.

Paul Alessio

My research is rooted in understanding the mechanics of surface processes to analyze how faulting, climate change, and land-use practices affect landscape morphology and geologic hazard potential. Specifically, I study storm driven landslides and hill slope processes, sea cliff erosion and coastal processes, debris flows and land-use management. 

Current project: The influence of rilling on hill slopes and scour in stream channels, determining the rate of mud generation and total sediment budget for the 2018 Montecito Debris Flow




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