Jacob Zwart, PhD
Dr. Jacob Zwart is a senior research data scientist and aquatic biogeochemist for the USGS Water Resources Mission Area.
Jacob is a senior research data scientist and aquatic biogeochemist focused on several interdisciplinary research objectives: 1) Improving our understanding of aquatic biogeochemical processes and their responses to future global changes. 2) Advancing artificial intelligence (AI) methods for environmental science, including knowledge-guided machine learning (KGML), equitable machine learning for water predictions, and responsible AI. 3) Innovating on deep learning forecasting methods including assimilating real-time observations into KGML models and characterizing deep learning forecast uncertainty.
He was awarded the Presidential Early Career Award for Scientists and Engineers (PECASE) in 2025 for his environmental forecast research, the highest honor bestowed by the U.S. government on outstanding scientists and engineers early in their careers. Jacob has received four outstanding publication awards including three as the lead author, an outstanding dissertation award from University of Notre Dame Biology Department, and he is an author of three book chapters in the fields of aquatic ecology, machine learning, and knowledge-guided machine learning.
Jacob also serves as a Peer Support Worker at USGS promoting awareness and education on topics and USGS policies for antiharassment, discrimination, biases, and scientific integrity, as well as providing peer-to-peer support for USGS employees.
Professional Experience
2025 – present: Senior Research Data Scientist, U.S. Geological Survey
2022 – 2025: Senior Data Scientist, U.S. Geological Survey
2021 – 2022: Data Scientist, U.S. Geological Survey
2019 – 2021: Mendenhall Postdoctoral Fellow, U.S. Geological Survey
2017 – 2019: National Science Foundation Earth Sciences Postdoctoral Fellow, U.S. Geological Survey
2014 – 2017: National Science Foundation Graduate Research Fellow, University of Notre Dame
2012 – 2014: Research and Teaching Assistant, University of Notre Dame
Education and Certifications
Ph.D., Biological Sciences, 2017, University of Notre Dame
- Hydrologic Regulation of Lake Carbon Cycling in Both Time and Space. Advisor: Dr. Stuart Jones
B.S., Biology, Calvin College, 2012
Honors and Awards
Presidential Early Career Award in Science and Engineering (PECASE), the highest honor bestowed by the U.S. government on outstanding scientists and engineers early in their careers, 2025
American Water Resources Association’s William R. "Randy" Boggess Award 2024 for best paper published in the Journal of the American Water Resources Association during the previous year.
Ecological Society of America Ecological Forecasting Outstanding Publication Award 2023 - annual award in recognition of an outstanding scholarly publication published within the last three years.
Best Applied Data Science Paper Award in the SIAM International Conference on Data Mining 2021 – awarded annually for outstanding publication in Society for Industrial and Applied Mathematics (SIAM)
U.S. Geological Survey Mendenhall Postdoctoral Fellowship, 2019 – 2021
National Science Foundation Earth Sciences Postdoctoral Fellowship, 2017 – 2019
Best dissertation award for the University of Notre Dame Biology Department, 2017
University of Notre Dame Linked Experimental Ecosystem Facility Research Grant, 2017
Exceptional Promise in Graduate Research Award, Ecological Society of America Aquatic Ecology Section – awarded to scientists in recognition of an outstanding paper resulting from research done as a g
National Science Foundation Graduate Research Fellowship, 2014 – 2017
University of Notre Dame Center for Aquatic Conservation Graduate Fellow, 2014
University of Notre Dame Environmental Research Center Graduate Research Fellowship, 2013 – 2015
University of Notre Dame Environmental Research Center Graduate Mentoring Fellowship, 2012
Science and Products
Measurement and variability of lake metabolism
Can machine learning accelerate process understanding and decision-relevant predictions of river water quality?
Using near-term forecasts and uncertainty partitioning to inform prediction of oligotrophic lake cyanobacterial density
Multi-task deep learning of daily streamflow and water temperature
Machine learning for understanding inland water quantity, quality, and ecology
Estimating pelagic primary production in lakes: Comparison of 14C incubation and free-water O2 approaches
Physics-guided machine learning from simulation data: An application in modeling lake and river systems
The AEMON-J “Hacking Limnology” workshop series & virtual summit: Incorporating data science and open science in aquatic research
Physics-guided recurrent graph model for predicting flow and temperature in river networks
Projected changes of regional lake hydrologic characteristics in response to 21st century climate change
Physics-guided machine learning for scientific discovery: An application in simulating lake temperature profiles
Graph-based reinforcement learning for active learning in real time: An application in modeling river networks
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
Measurement and variability of lake metabolism
Can machine learning accelerate process understanding and decision-relevant predictions of river water quality?
Using near-term forecasts and uncertainty partitioning to inform prediction of oligotrophic lake cyanobacterial density
Multi-task deep learning of daily streamflow and water temperature
Machine learning for understanding inland water quantity, quality, and ecology
Estimating pelagic primary production in lakes: Comparison of 14C incubation and free-water O2 approaches
Physics-guided machine learning from simulation data: An application in modeling lake and river systems
The AEMON-J “Hacking Limnology” workshop series & virtual summit: Incorporating data science and open science in aquatic research
Physics-guided recurrent graph model for predicting flow and temperature in river networks
Projected changes of regional lake hydrologic characteristics in response to 21st century climate change
Physics-guided machine learning for scientific discovery: An application in simulating lake temperature profiles
Graph-based reinforcement learning for active learning in real time: An application in modeling river networks
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.