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UID:10000143-1739199600-1739202600@uwm.edu
SUMMARY:Freshwater Colloquium: PFAS in Wisconsin Surface Water
DESCRIPTION:Patrick Gorski will present “PFAS in Wisconsin Surface Water” as part of the School of Freshwater Sciences Spring colloquium.\nDr. Gorski is an Emerging Contaminants Research Scientist at the WDNR in the Bureau of Water Quality. He coordinates statewide surface water monitoring of PFAS in the state and his research focus is PFAS in surface water\, fish tissue and fate and transport issues. He received his PhD from UW-Madison studying mercury bioavailability and bioaccumulation in freshwater systems. Previously\, for 13 years he was an Assistant Scientist and Supervisor at the WI State Laboratory of Hygiene. \n\nIn this talk\, Dr. Gorski will discuss the breadth of PFAS concentrations found throughout the state and give a relative sense of what high and low PFAS concentrations are. He will also highlight specific sites where the DNR has done further study. For the second part\, he will discuss research topics that are being looked into\, such as the vertical distribution of PFAS in the vertical water column of a lake\, development of a PFAS filtration method\, PFAS bioaccumulation in the Madison Lakes\, and what we know about PFAS in sediments and sediment porewater. \n\nThe Spring 2025 Freshwater Colloquium series will be held in the GLRF Ballroom. Most talks will involve the theme of Emerging Contaminants in Aquatic Environments. Snacks will be available prior to the talk. Please join us! \n\n\nThis presentation is open to students\, faculty\, staff\, alumni and the public. \n\n\n\n\n \n\nSpring 2025 Colloquium Series schedule. The Colloquium series creates a platform where students\, faculty\, and scientists discuss emergent issues related to freshwater science research. Invited speakers present specific topics of their research\, as well as policy\, commercial\, and industrial experiences. Everyone is welcome.
URL:/freshwater/event/freshwater-colloquium-pfas-in-wisconsin-surface-water/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Career and Leadership Development,Faculty and Staff,Lectures Conferences and Symposiums,Public,Students,51���� Campus Events
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20250217T150000
DTEND;TZID=America/Chicago:20250217T155000
DTSTAMP:20260420T174308
CREATED:20250210T210120Z
LAST-MODIFIED:20250210T210120Z
UID:10000144-1739804400-1739807400@uwm.edu
SUMMARY:Freshwater Colloquium: Oceanography for the Limnologist\, and Vice-Versa
DESCRIPTION:John Janssen will present “Oceanography for the Limnologist\, and Vice-Versa” as part of the School of Freshwater Sciences Spring colloquium.\nDr. Janssen is Professor Emeritus\, School of Freshwater Sciences. \nThere is a major international journal called LIMNOLOGY AND OCEANOGRAPHY\, but few limnologists read any oceanography and vice-versa. That leads to missed opportunities. Please join us to hear Dr. Janssen’s insights on possible cross-disciplinary research and understanding. \n\n\nThe Spring 2025 Freshwater Colloquium series will be held in the GLRF Ballroom. Most talks will involve the theme of Emerging Contaminants in Aquatic Environments. Snacks will be available prior to the talk. \n\n\nThis presentation is open to students\, faculty\, staff\, alumni and the public. \n\n\n\n\n \n\nSpring 2025 Colloquium Series schedule. The Colloquium series creates a platform where students\, faculty\, and scientists discuss emergent issues related to freshwater science research. Invited speakers present specific topics of their research\, as well as policy\, commercial\, and industrial experiences. Everyone is welcome.
URL:/freshwater/event/freshwater-colloquium-oceanography-for-the-limnologist-and-vice-versa/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Career and Leadership Development,Faculty and Staff,Lectures Conferences and Symposiums,Public,Students,51���� Campus Events
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20250218T120000
DTEND;TZID=America/Chicago:20250218T130000
DTSTAMP:20260420T174308
CREATED:20250203T214341Z
LAST-MODIFIED:20250203T214716Z
UID:10000142-1739880000-1739883600@uwm.edu
SUMMARY:Great Lakes Freshwater Symposium: Monitoring and Controlling Invasive Species in the Great Lakes
DESCRIPTION:What do sea lamprey\, zebra and quagga mussels\, round goby\, and phragmites all have in common? They have invaded the Great Lakes and are changing the entire ecosystem. \nJoin the Freshwater Collaborative for a webinar that highlights some of the current research around monitoring and controlling invasive species in the Great Lakes. Our own Harvey Bootsma\, Associate Dean & Professor\, will be a panelist. \nOther panelists include: \n\n\n\n\n\n\n\n\nHarvey Bootsma\, Associate Dean & Professor\, University of Wisconsin-Milwaukee School of Freshwater Sciences\nJanice Gilbert\, Executive Director\, Invasive Phragmites Control Centre\, Ontario\nSara Good\, Professor of Genetics and Genomics\, University of Winnipeg\nSteve Pothoven\, Fishery Biologist\, NOAA GxLERL Lake Michigan Field Station\, Michigan
URL:/freshwater/event/great-lakes-freshwater-symposium-monitoring-and-controlling-invasive-species-in-the-great-lakes/
LOCATION:Virtual
CATEGORIES:Atmospheric Science,Faculty and Staff,Lectures Conferences and Symposiums,51���� Campus Events
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20250224T150000
DTEND;TZID=America/Chicago:20250224T155000
DTSTAMP:20260420T174308
CREATED:20250218T182504Z
LAST-MODIFIED:20250218T182504Z
UID:10000145-1740409200-1740412200@uwm.edu
SUMMARY:Freshwater Colloquium: Data-Efficient Stream Nutrient Modeling: An Application of Data-driven Sparse Sensing
DESCRIPTION:Wasif Bin Mamoon will present “Data-Efficient Stream Nutrient Modeling: An Application of Data-driven Sparse Sensing” as part of the School of Freshwater Sciences Spring Colloquium.\nWasif Bin Mamoon is a PhD candidate in Environmental and Water Resources specialization at Marquette University in Milwaukee\, WI. His research focuses on analyzing stream nutrient (Nitrogen and Phosphorus) dynamics and modeling stream nutrients. He received his BSc and MSc in Water Resources Engineering from Bangladesh University of Engineering and Technology (BUET)\, in 2019 and 2022\, respectively. Previously\, he was a research assistant at the Institute of Water and Flood Management in Bangladesh\, responsible for assessing the impacts of climate change and applying hydrologic and hydraulic models at the watershed scale. \n\nRegular estimation or monitoring of nutrient (i.e.\, nitrogen or phosphorus) concentrations and loads is necessary for assessing stream health and evaluating nutrient pollution mitigation programs. The state of science concludes that at least daily monitoring is necessary. However\, current nutrient monitoring programs involve either infrequent grab samples or costly\, maintenance-intensive in-situ sensors\, resulting in low sampling frequencies and high uncertainties. To address this\, improved stream nutrient monitoring and modeling methods are needed. Data-driven Sparse Sensing (DSS) offers an efficient solution by reliably estimating high-frequency time series from fewer samples\, leading to more efficient sampling designs. This study applies the DSS technique to estimate stream nutrient concentrations and loads (nitrate-nitrite as NOx and phosphorous as P) using sparse measurements of nutrient concentrations and flows. The overall aim is to evaluate how DSS can identify the informative sampling times and locations and reconstruct concentration (NOx and TP) time series with minimal measurements. Furthermore\, this study examines the model’s sensitivity to the size of training data\, time span of monitored data\, and hydrologic regions. This method has a high potential to reduce the cost and effort of nutrient monitoring programs and assessments of catchment material balances. \n\nThe Spring 2025 Freshwater Colloquium series will be held in the GLRF Ballroom. Most talks will involve the theme of Emerging Contaminants in Aquatic Environments. Snacks will be available prior to the talk. Please join us! \n\n\nThis presentation is open to students\, faculty\, staff\, alumni and the public. \n\n\n\n\n \n\nSpring 2025 Colloquium Series schedule. The Colloquium series creates a platform where students\, faculty\, and scientists discuss emergent issues related to freshwater science research. Invited speakers present specific topics of their research\, as well as policy\, commercial\, and industrial experiences. Everyone is welcome.
URL:/freshwater/event/freshwater-colloquium-data-efficient-stream-nutrient-modeling-an-application-of-data-driven-sparse-sensing/
LOCATION:School of Freshwater Sciences Ballroom\, First Floor\, 600 E Greenfield Avenue\, Milwaukee\, WI\, 53204
CATEGORIES:Alumni & Community,Career and Leadership Development,Faculty and Staff,Lectures Conferences and Symposiums,Public,Students,51���� Campus Events
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