As a Reports Specialist, I help others communicate scientific information more effectively. I have work experiences in the fields of fisheries, biogeochemistry, microbiology, surface-water hydrology and water quality, hydroacoustics, climate adaptation, research coordination, and science leadership.
Education
MS 2006 University of Georgia, Forestry and Natural Resources (Fisheries Emphasis)
BS 2004 University of Wisconsin-La Crosse, Biology (Aquatic Science) & Chemistry Majors, Mathematics Minor
Professional Experience
2021-Present: Reports Specialist and Hydrologist, USGS California Water Science Center, Sacramento, CA
2020-2021: Supervisory Hydrologist, River and Coastal Processes Team Lead, USGS UMid WSC, Mounds View, MN
2020: Ecologist, Research Coordinator, USGS Midwest Climate Adaptation Science Center (120-day detail)
2018-2020: Acting River and Coastal Processes Team Lead, USGS Upper Midwest Water Science Center, Mounds View, MN
2017-2018: Reports Specialist, USGS Minnesota Water Science Center, Mounds View, MN
2016-2018: River Systems (Sediment) Team Lead, Investigations, USGS MN Water Science Center, Mounds View, MN
2012-2020: Hydrologist, Investigations, USGS MN Water Science Center, Mounds View, MN
2010-2012: Hydrologic Technician, Investigations, USGS MN Water Science Center, Mounds View, MN
2008-2010: Hydrologic Technician, Data Section, USGS MN Water Science Center, Grand Rapids, MN
2008: Microbiologist, VHS Surveillance, WI Department of Natural Resources, Madison, WI
2007: Office Coordinator/Sample Courier, Coffey Laboratories, Incorporated, Redmond, OR
2006-2007: Antarctica Study Abroad Program, University of Georgia (Athens)
2004-2006: Graduate Research Fellow, School of Forest Resources, University of Georgia (Athens)
2003: Research Assistant, Streams Crew, Toolik Lake Arctic LTER Station, Alaska, Marine Biological Laboratories, Woods Hole, MA
2002: Undergraduate Research Fellow, Department of Chemistry, University of Wisconsin-La Crosse
2001-2002: Research Assistant, Toxicology, River Studies Center, University of Wisconsin-La Crosse
2000-2001: Fisheries Assistant, LTRM, Upper Midwest Environmental Science Center, Onalaska, WI
Science and Products
Quantifying relations between altered hydrology and fish community responses for streams in Minnesota
The use of continuous sediment-transport measurements to improve sand-load estimates in a large sand-bedded river: The Lower Chippewa River, WI
Sediment monitoring and streamflow modeling before and after a stream restoration in Rice Creek, Minnesota, 2010–2019
The role of hydraulic and geomorphic complexity in predicting invasive carp spawning potential: St. Croix River, Minnesota and Wisconsin, United States
Assessing the migratory histories, trophic positions, and conditions of lake sturgeon in the St. Croix and Mississippi Rivers using fin ray microchemistry, stable isotopes, and fatty acid profiles
The hydrologic benefits of wetland and prairie restoration in western Minnesota—Lessons learned at the Glacial Ridge National Wildlife Refuge, 2002–15
Using acoustic Doppler velocity meters to estimate suspended sediment along the lower Minnesota and Mississippi Rivers
Method comparisons for determining concentrations of metals in water samples used in studies of fish migratory histories
Simulation of hydrodynamics, water quality, and lake sturgeon habitat volumes in Lake St. Croix, Wisconsin and Minnesota, 2013
Water-quality models to assess algal community dynamics, water quality, and fish habitat suitability for two agricultural land-use dominated lakes in Minnesota, 2014
Network global navigation satellite system survey to harmonize water-surface elevation data for the Rainy River Basin
Methods to estimate historical daily streamflow for ungaged stream locations in Minnesota
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.
Ecoflows: Developing Indices of Streamflow Alteration
Development of a FluEgg Model for the St. Croix River
Measuring Suspended-Sediment Concentrations, Grain Sizes and Bedload using Acoustic Doppler Velocity Meters and Echologgers in the Lower Chippewa River, Wisconsin
Hydrologic metrics, biological metrics, R scripts, and model archives associated with regression analyses used to quantify relations between altered hydrological and biological responses in rivers of Minnesota, 1945-2015
Suspended-sediment, bedload, bed-sediment, and multibeam sonar data in the Chippewa River, WI
Age, Trace Metal, Stable Isotope, and Fatty Acid Data Collected from Sturgeon Captured in the Mississippi and St. Croix Rivers, Minnesota and Wisconsin, 2015-2016.
Bathymetric, water velocity, and water temperature data on the St. Croix River between St. Croix Falls, Wisconsin, and Stillwater, Minnesota, June 19-22, 2018
Ratios of strontium to calcium measured in pectoral fin rays of lake sturgeon (Acipenser fulvescens) captured in the lakes and rivers of Namakan Reservoir, Minnesota, United States and Ontario, Canada, 2007-15
Suspended-sediment concentrations, acoustic data, and linear regression models for the Lower Minnesota River, Mississippi River, and Lake Pepin, 2015-2017
Chemicals of Emerging Concern and Fish Biological Endpoints Data Collected From Select Tributaries of the St. Croix River, Minnesota and Wisconsin, 2011-12
Science and Products
- Publications
Filter Total Items: 16
Quantifying relations between altered hydrology and fish community responses for streams in Minnesota
Altered hydrology is a stressor on aquatic life for several streams in Minnesota, but quantitative relations between specific aspects of streamflow alteration and biological responses have not been developed on a statewide scale in Minnesota. Best subsets regression analysis was used to develop linear regression models that quantify relations among five categories of hydrologic explanatory metricAuthorsJeffrey R. Ziegeweid, Gregory D. Johnson, Aliesha L. Krall, Kara Fitzpatrick, Sara B. LevinThe use of continuous sediment-transport measurements to improve sand-load estimates in a large sand-bedded river: The Lower Chippewa River, WI
Accurately determining sediment loads is necessary for managing river environments but is difficult because multiple processes can lead to large discharge-independent changes in sediment transport. Thus, estimations of sediment load using discharge–sediment rating curves fit to sparse or historical sediment-transport measurements can be inaccurate, necessitating alternative approaches to reduce unAuthorsDavid Dean, David Topping, D. D. Buscombe, Joel T. Groten, Jeffrey R. Ziegeweid, Faith A. Fitzpatrick, John (William) Lund, Erin Nicole CoenenSediment monitoring and streamflow modeling before and after a stream restoration in Rice Creek, Minnesota, 2010–2019
The Rice Creek Watershed District (RCWD) cooperated with the U.S. Geological Survey to establish a 10-year suspended sediment and bedload monitoring and streamflow modeling study to evaluate the effects of two restored meander sections on middle Rice Creek in Arden Hills, Minnesota. The RCWD goals of this stream restoration were to reduce water quality impairments, improve aquatic habitat, and redAuthorsJoel T. Groten, Colin T. Livdahl, Stephen B. DeLong, J. William Lund, Jonathan M. Nelson, Erin N. Coenen, Jeffrey R. Ziegeweid, Matthew J. KocianThe role of hydraulic and geomorphic complexity in predicting invasive carp spawning potential: St. Croix River, Minnesota and Wisconsin, United States
Since they were first introduced to the United States more than 50 years ago, invasive carp have rapidly colonized rivers of the Mississippi River Basin, with detrimental effects on native aquatic species. Their continued range expansion, and potential for subsequent invasion of the Great Lakes, has led to increased concern for the susceptibility of as-yet uncompromised lotic and lentic systems inAuthorsAlan Kasprak, P. Ryan Jackson, Evan M. Lindroth, J. William Lund, Jeffrey R. ZiegeweidAssessing the migratory histories, trophic positions, and conditions of lake sturgeon in the St. Croix and Mississippi Rivers using fin ray microchemistry, stable isotopes, and fatty acid profiles
BackgroundReproducing populations of invasive carps (Hypophthalmichthys spp.) could alter aquatic food webs and negatively affect native fishes in the Mississippi National River and Recreation Area (MISS) and the St. Croix National Scenic Riverway (SACN). However, proposed invasive carp barriers may also threaten populations of native migratory fishes by preventing movements of fish between riversAuthorsJeffrey R. Ziegeweid, Michelle Bartsch, Lynn A. Bartsch, Steven J. Zigler, Robert J Kennedy, Seth A. LoveThe hydrologic benefits of wetland and prairie restoration in western Minnesota—Lessons learned at the Glacial Ridge National Wildlife Refuge, 2002–15
Conversion of agricultural lands to wetlands and native prairie is widely viewed as beneficial because it can restore natural ecological and hydrologic functions. Some of these functions, such as reduced peak flows and improved water quality, are often attributed to restoration; however, such benefits have not been quantified at a small scale. To inform future restoration efforts, especially in noAuthorsTimothy K. Cowdery, Catherine A. Christenson, Jeffrey R. ZiegeweidUsing acoustic Doppler velocity meters to estimate suspended sediment along the lower Minnesota and Mississippi Rivers
Lake Pepin is the largest naturally formed lake on the Mississippi River and has complex management needs to satisfy economic, environmental, and cultural demands. Lake Pepin is filling in with sediment at a rapid rate compared to conditions before settlement by European immigrants and intense agricultural cultivation. Accordingly, the Minnesota Pollution Control Agency has developed aggressive plAuthorsJoel T. Groten, Jeffrey R. Ziegeweid, J. William Lund, Christopher A. Ellison, Samuel B. Costa, Erin N. Coenen, Erich W. KesslerMethod comparisons for determining concentrations of metals in water samples used in studies of fish migratory histories
Signatures developed from metal concentrations in water and fish bony structures can be used to demonstrate migration of individual fish between connected water bodies. The U.S. Geological Survey (USGS), in cooperation with the National Park Service and the Missouri Department of Conservation, compared two protocols for collecting and analyzing water samples for concentrations of several metals coAuthorsJeffrey R. Ziegeweid, Steven J. Zigler, Ryan P. Maki, Byron N. Karns, Seth A. LoveSimulation of hydrodynamics, water quality, and lake sturgeon habitat volumes in Lake St. Croix, Wisconsin and Minnesota, 2013
Lake St. Croix is a naturally impounded, riverine lake that makes up the last 40 kilometers of the St. Croix River. Substantial land-use changes during the past 150 years, including increased agriculture and urban development, have reduced Lake St. Croix water-quality and increased nutrient loads delivered to Lake St. Croix. A recent (2012–13) total maximum daily load phosphorus-reduction plan setAuthorsErik A. Smith, Richard L. Kiesling, Jeffrey R. Ziegeweid, Sarah M. Elliott, Suzanne MagdaleneWater-quality models to assess algal community dynamics, water quality, and fish habitat suitability for two agricultural land-use dominated lakes in Minnesota, 2014
Fish habitat can degrade in many lakes due to summer blue-green algal blooms. Predictive models are needed to better manage and mitigate loss of fish habitat due to these changes. The U.S. Geological Survey (USGS), in cooperation with the Minnesota Department of Natural Resources, developed predictive water-quality models for two agricultural land-use dominated lakes in Minnesota—Madison Lake andAuthorsErik A. Smith, Richard L. Kiesling, Jeffrey R. ZiegeweidNetwork global navigation satellite system survey to harmonize water-surface elevation data for the Rainy River Basin
Continuously recording water-level streamgages in Rainy Lake and Namakan Reservoir are used to regulate water levels according to rule curves established in 2000 by the International Joint Commission; however, water levels at streamgages were referenced to a variety of vertical datums, confounding efforts to model the flow of water through the system, regulate water levels during periods of high iAuthorsJeffrey R. Ziegeweid, R. Jason Silliker, Brenda K. Densmore, Justin KrahulikMethods to estimate historical daily streamflow for ungaged stream locations in Minnesota
Effective and responsible management of water resources relies on a thorough understanding of the quantity and quality of available water; however, streamgages cannot be installed at every location where streamflow information is needed. Therefore, methods for estimating streamflow at ungaged stream locations need to be developed. This report presents a statewide study to develop methods to estimaAuthorsDavid L. Lorenz, Jeffrey R. ZiegeweidNon-USGS Publications**
Ziegeweid, JR and MC Black. 2010. Hematocrit and plasma osmolality values of young-of-the-year shortnose sturgeon following acute exposures to combinations of salinity and temperature. Fish Physiology and Biochemistry 36: 963-968.Ziegeweid, JR, CA Jennings, DL Peterson, and MC Black. 2008. Effects of salinity, temperature, and body size on the survival of juvenile shortnose sturgeon. Transactions of the American Fisheries Society 137: 1490-1499.Ziegeweid, JR, CA Jennings, and DL Peterson. 2008. Thermal maxima for juvenile shortnose sturgeon acclimated to different temperatures. Environmental Biology of Fishes 82: 299-307.Ziegeweid, JR. 2006. Ontogenetic changes in salinity and temperature tolerances of young-of-the-year shortnose sturgeon, Acipenser brevirostrum. MS Thesis. University of Georgia.**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
Ecoflows: Developing Indices of Streamflow Alteration
The Minnesota Pollution Control Agency (MPCA) lists streamflow alteration as a key stressor on aquatic life in many watersheds. However, the MPCA currently does not have the information needed to quantitatively associate metrics from Index of Biological Integrity (IBI) surveys with metrics of streamflow alteration. We are using USGS streamgage data and MPCA IBI data to develop relations between...Development of a FluEgg Model for the St. Croix River
The USGS partnered with the Minnesota Department of Natural Resources to collect hydraulic and water chemistry data in the lower St. Croix River for development of a model that predicts the probability of successful egg hatching and survival of juvenile invasive carp over a range of water temperature and streamflow conditions.Measuring Suspended-Sediment Concentrations, Grain Sizes and Bedload using Acoustic Doppler Velocity Meters and Echologgers in the Lower Chippewa River, Wisconsin
Sediment from the Chippewa River deposits in the Mississippi River navigation channel, sometimes disrupting commercial barge traffic and resulting in expensive and ecologically disruptive dredging operations. The USGS is using new applications of hydroacoustic technologies to better understand sediment transport in the Chippewa River and associated effects on commercial navigation. - Data
Hydrologic metrics, biological metrics, R scripts, and model archives associated with regression analyses used to quantify relations between altered hydrological and biological responses in rivers of Minnesota, 1945-2015
The U.S. Geological Survey (USGS) and the Minnesota Pollution Control Agency (MPCA) conducted a cooperative study to develop linear regression models that quantify relations among 173 hydrologic explanatory metrics in five categories (duration, frequency, magnitude, rate-of-change, and timing) computed from streamgage records and 132 biological response metrics in six categories (composition, habiSuspended-sediment, bedload, bed-sediment, and multibeam sonar data in the Chippewa River, WI
These data were compiled for analyses of sediment transport within the Chippewa River, WI. Objective(s) of our study were to determine sand loads contributed by the Chippewa River to the Mississippi River. These data include physical suspended-sediment samples, acoustical suspended-sediment measurements, acoustical suspended-sediment loads, quasi-continuous measurements of bed-elevation, multibeamAge, Trace Metal, Stable Isotope, and Fatty Acid Data Collected from Sturgeon Captured in the Mississippi and St. Croix Rivers, Minnesota and Wisconsin, 2015-2016.
Proposed invasive carp barriers may threaten populations of migratory fishes in the St. Croix National Scenic Riverway and the Mississippi National River and Recreation Area by preventing movements between rivers needed to fulfill life history requirements. Moreover, reproducing populations of invasive carp could alter aquatic food webs and negatively affect mussels and migratory fishes. In this sBathymetric, water velocity, and water temperature data on the St. Croix River between St. Croix Falls, Wisconsin, and Stillwater, Minnesota, June 19-22, 2018
From June 19-22, 2018, bathymetric, water velocity, and water temperature data were collected on the St. Croix River between St. Croix Falls, Wisconsin, and Stillwater, Minnesota. These data were collected with a Teledyne RD Instruments RiverRay acoustic Doppler current profiler (ADCP) and georeferenced using a Trimble R10 Global Navigation Satellite System (GNSS) receiver connected to a real-timeRatios of strontium to calcium measured in pectoral fin rays of lake sturgeon (Acipenser fulvescens) captured in the lakes and rivers of Namakan Reservoir, Minnesota, United States and Ontario, Canada, 2007-15
The U.S. Geological Survey, Voyageurs National Park, South Dakota State University, and Missouri Department of Conservation conducted a cooperative study to measure ratios of strontium to calcium (Sr:Ca) in cross sections of pectoral fin rays obtained from lake sturgeon (Acipenser fulvescens) captured in lakes and rivers of Namakan Reservoir in Minnesota and Ontario. We measured Sr:Ca ratios in crSuspended-sediment concentrations, acoustic data, and linear regression models for the Lower Minnesota River, Mississippi River, and Lake Pepin, 2015-2017
A series of linear regression models were developed and calibrated for the Minnesota and Mississippi Rivers. The linear regression models were calibrated using acoustic and suspended-sediment concentration data collected from March through November 2016 and 2017. The estimates of suspended-sediment concentrations from the linear regression were used to calculate loads. The calibrated models were uChemicals of Emerging Concern and Fish Biological Endpoints Data Collected From Select Tributaries of the St. Croix River, Minnesota and Wisconsin, 2011-12
The U.S. Geological Survey, National Park Service, St. Cloud State University, and the University of St. Thomas conducted a cooperative study to investigate the occurrence of chemicals of emerging concern (CECs) and potential effects to aquatic biota in select tributaries of the St. Croix River in Minnesota and Wisconsin. In 2011, treated wastewater effluent samples were collected from 22 sites in