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  • Understanding PCBs – IIHR – Hydroscience & Engineering – University of Iowa
    re really concerned about these chemicals in the Great Lakes because they accumulate in fish she says Fortunately she says interest and funding for Great Lakes research are plentiful There is a community of people who demand it Hornbuckle says The Great Lakes are an amazing freshwater resource The Thrill of the Hunt Hornbuckle and her team of students have been working in the Chicago area measuring PCBs in the air water and soil to find the sources and quantify the levels and movement of the compounds The team used tandem mass spectrometry to measure PCBs in the canal sediments an analytical technique that allows researchers to better identify the original sources and future fate We have found that the concentration of PCBs in the sediment increases with depth Hornbuckle says So if they re not thinking at all about PCBs and they simply dredge off a meter in depth they re going to expose really high concentrations Students Zach Rodenburg and Rachel Yucuis get ready for a research cruise on Lake Michigan in Chicago at Navy Pier Andres Martinez one of Hornbuckle s postdoctoral scholars quantified the levels of PCBs being released from sediments in the canal even before any dredging has occurred The results demonstrate that even under quiet conditions sediment in the canal is a significant source of PCBs to the air and water Other sites with similarly high levels of PCBs have been declared Superfund sites which by law must undergo clean up A Complicated Problem The researchers don t delve into the politics of a tricky situation like the dredging of IHSC Hornbuckle says They simply do their work and disseminate their findings helping others make better informed decisions In this case however one of Hornbuckle s former graduate students David Wethington serves as the Army Corps of Engineers manager for the dredging project As a student his work focused on the release of PCBs in Milwaukee Knowing that someone so well informed on the subject of PCBs is in charge makes Hornbuckle hopeful He understands the story completely with respect to PCBs she says It s a very complicated situation I could never have prepared him for what he does now But I hope I ve helped The work continues to inspire Hornbuckle s passion for serving the public good which she in turn passes on to more students every year It s no problem motivating the students Hornbuckle says We re really lucky to get to do this kind of work It makes it easier to work hard on it when you think it really matters And she adds with a smile It s really fun Tags Great Lakes Indiana Harbor and Ship Canal Iowa Superfund Basic Research Program Keri Hornbuckle National Institutes of Environmental Health Sciences PCBs U S Army Corps of Engineers UI engineering UI research Last modified on June 29th 2015 Posted on January 18th 2011 Home About Greetings from the Director Fact Page IIHR at a Glance Where is

    Original URL path: http://www.iihr.uiowa.edu/research/understanding-pcbs/ (2015-11-11)
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  • Phytoremediation – IIHR – Hydroscience & Engineering – University of Iowa
    and researchers hypothesize that poplar trees planted in or around the CDF could help mitigate further release of PCBs The Power of Poplars The hybrid poplar tree is among the plants most commonly used in phytoremediation There s a good reason for that Schnoor explains It s a plant that grows very quickly and roots very deeply and uses a lot of water Secondly it s a model plant from a molecular biology standpoint We have the complete genome Originally researchers thought bacteria in the root zone were degrading the PCBs The IIHR team has learned that there s more going on We ve shown that the plant material itself can transform PCBs Schnoor says That was a nice contribution Schnoor and his team have completed several successful site clean ups Their longest running work was at a former petroleum tank farm in West Virginia The leaky tanks contaminated soils and a nearby creek Schnoor and his team planted poplar trees at the site in 1999 which have now grown to maturity The site is densely vegetated and the oil has been substantially removed Making a Difference Successes like that one help keep Schnoor motivated to continue working We really enjoy what we re doing and feel like we re able to make a positive difference in the world he says Student Sam Bircher agrees It s an honor to be working on an interdisciplinary team as talented and as dedicated as our phytoremediation group he says I m also thrilled to be a part of a research project that is really doing good for our planet Tags green technology Indiana Harbor and Ship Canal Jerry Schnoor PCBs phytoremediation UI engineering Last modified on June 29th 2015 Posted on January 18th 2011 Home About Greetings from the Director Fact Page IIHR at a Glance Where is IIHR Communications History IIHR s Historical Studies History Resources Hans Albert Einstein His Life as a Pioneering Engineer Sustainability at IIHR Evolving with the Times Intellectual Connections Worldwide IIHR Alumni Worldwide Archives Films by Hunter Rouse Employment Contact IIHR Webcam Education Graduate Program Admission Assistantships and Fellowships Graduate Student Opportunities Undergraduate Opportunities International Perspectives Service Projects Habitat for Humanity s Women Build Project Fluids Lab Meet Our Faculty and Staff Brandon Barquist Talking Shop Pablo Carrica Enjoying the Challenge George Constantinescu Rivers Run in the Family Carrie Davis Playing in the Mud Teresa Gaffey Transformations Anton Kruger How Stuff Works Troy Lyons Bridging the Gap Ricardo Mantilla Going with the Flow Jacob Odgaard Making an Impact Michelle Scherer Solving the Puzzle Fred Stern Revolutionizing Ship Hydrodynamics Stephanie Surine She s a Rocker Eric Tate Studying the Human Costs of Flooding H S Udaykumar The Reluctant Engineer Gabriele Villarini Working the Numbers Mark Wilson What s Not to Like Meet Our Students Tibebu Ayalew Accidental Engineer Ali Reza Firoozfar The Experimentalist Ruben Llamas Success among Friends Beda Luitel Finding a Way Kara Prior For the Love of Discovery Harvest Schroeder The Human Factor Stephanie Then

    Original URL path: http://www.iihr.uiowa.edu/research/other-research-initiatives/green-technology-phytoremediation/ (2015-11-11)
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  • Larry Weber – IIHR—Hydroscience & Engineering
    Teaching Interests Principles of Ecohydrology and Ecohydraulics Principles of Hydrology and Hydraulics Hydraulic Structures Open Channel Flow Research Large river restoration Coupling first principles computational fluid dynamics with water quality and individual based ecological models Laboratory and computational modeling of hydraulic structures Modeling and design of fish passage facilities Open channel hydraulics and flood inundation modeling Linking large scale watershed models to flood response and resiliency Ice mechanics and cold

    Original URL path: http://www.iihr.uiowa.edu/lweber/ (2015-11-11)
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  • Tag Archive for "Larry Weber" – IIHR – Hydroscience & Engineering – University of Iowa
    by IIHR s Jacob Odgaard For Firoozfar reading that article was a turning point From that day on he dedicated himself to achieving his ambition of earning a PhD at IIHR That was my dream he says Nothing can satisfy me except Iowa Watersheds Projects Posted on November 12th 2013 How can innovative management practices make a difference within watersheds Miracles do happen In 2009 Iowans were grappling with difficult questions in the wake of devastating floods that had washed through Eastern Iowa a year earlier One positive result was the formation of the Water Resources Coordinating Council WRCC a group of experts and leaders IIHR Hosts Honors Workshop Posted on October 6th 2013 IIHR hosted one of 16 Honors Primetime workshops held for incoming first year honors students before the official start of classes this fall A Watershed Moment Posted on August 19th 2013 Larry Weber says he wanted to make sure the Iowa Watersheds Project included funding to build improvements in the watersheds that could make a measurable difference Older Entries Home About Greetings from the Director Fact Page IIHR at a Glance Where is IIHR Communications History IIHR s Historical Studies History Resources Hans Albert Einstein His Life as a Pioneering Engineer Sustainability at IIHR Evolving with the Times Intellectual Connections Worldwide IIHR Alumni Worldwide Archives Films by Hunter Rouse Employment Contact IIHR Webcam Education Graduate Program Admission Assistantships and Fellowships Graduate Student Opportunities Undergraduate Opportunities International Perspectives Service Projects Habitat for Humanity s Women Build Project Fluids Lab Meet Our Faculty and Staff Brandon Barquist Talking Shop Pablo Carrica Enjoying the Challenge George Constantinescu Rivers Run in the Family Carrie Davis Playing in the Mud Teresa Gaffey Transformations Anton Kruger How Stuff Works Troy Lyons Bridging the Gap Ricardo Mantilla Going with the Flow Jacob Odgaard Making an Impact Michelle Scherer Solving the Puzzle Fred Stern Revolutionizing Ship Hydrodynamics Stephanie Surine She s a Rocker Eric Tate Studying the Human Costs of Flooding H S Udaykumar The Reluctant Engineer Gabriele Villarini Working the Numbers Mark Wilson What s Not to Like Meet Our Students Tibebu Ayalew Accidental Engineer Ali Reza Firoozfar The Experimentalist Ruben Llamas Success among Friends Beda Luitel Finding a Way Kara Prior For the Love of Discovery Harvest Schroeder The Human Factor Stephanie Then Like a Duck to Water Meet Our Alumni Jim Ashton Turnaround Guy Maria Laura Beninati The Iowa Embrace Paul Dierking The Inquisitive Engineer Scott Hagen Far from the Farm J V Loperfido Going with the Flow Student Organization SIIHR Contact Us Research The Iowa Nutrient Research Center Iowa Geological Survey The IGS Rock Library Water Sustainability Initiative Water Quality Everyone s Responsibility Water Communication A New Field The Human Costs of Flooding Biofluids Developing a Digital Lung The Dynamics of Heart Valves Metastatic Cancer Cells and Shear Stress Environmental Engineering Science PCBs A Disturbing Legacy and Ongoing Threat Aboard the Lake Guardian Plume Chasers Landfill Fire Sparks Research Fish Passage Taming Total Dissolved Gas Hydraulic Structures The IIHR Dropshaft

    Original URL path: http://www.iihr.uiowa.edu/blog/topic/larry-weber/ (2015-11-11)
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  • Tag Archive for "Witold Krajewski" – IIHR – Hydroscience & Engineering – University of Iowa
    Flood Center IFC make our state a safer place to enjoy Iowa s rivers and streams by making a gift to the Fund a Sensor project Tibebu Ayalew Accidental Engineer Posted on February 28th 2012 My choice to study engineering was accidental explains Tibebu Ayalew a graduate student in civil and environmental engineering and a research assistant at the Iowa Flood Center at IIHR Initially Ayalew sought to emulate a high school biology teacher in his native Ethiopia who inspired his love of science Like any good mentor Ayalew s teacher State Renews IFC Funding at 1 3 Million Posted on August 2nd 2011 The state has appropriated 1 3 million to the Iowa Flood Center IFC at the University of Iowa to support the center s fiscal year 2012 operations The continued funding of the two year old center is essential to support the IFC s continuing contributions to flood preparedness in Iowa says IFC Director Witold Krajewski Older Entries Home About Greetings from the Director Fact Page IIHR at a Glance Where is IIHR Communications History IIHR s Historical Studies History Resources Hans Albert Einstein His Life as a Pioneering Engineer Sustainability at IIHR Evolving with the Times Intellectual Connections Worldwide IIHR Alumni Worldwide Archives Films by Hunter Rouse Employment Contact IIHR Webcam Education Graduate Program Admission Assistantships and Fellowships Graduate Student Opportunities Undergraduate Opportunities International Perspectives Service Projects Habitat for Humanity s Women Build Project Fluids Lab Meet Our Faculty and Staff Brandon Barquist Talking Shop Pablo Carrica Enjoying the Challenge George Constantinescu Rivers Run in the Family Carrie Davis Playing in the Mud Teresa Gaffey Transformations Anton Kruger How Stuff Works Troy Lyons Bridging the Gap Ricardo Mantilla Going with the Flow Jacob Odgaard Making an Impact Michelle Scherer Solving the Puzzle Fred Stern Revolutionizing Ship Hydrodynamics Stephanie Surine She s a Rocker Eric Tate Studying the Human Costs of Flooding H S Udaykumar The Reluctant Engineer Gabriele Villarini Working the Numbers Mark Wilson What s Not to Like Meet Our Students Tibebu Ayalew Accidental Engineer Ali Reza Firoozfar The Experimentalist Ruben Llamas Success among Friends Beda Luitel Finding a Way Kara Prior For the Love of Discovery Harvest Schroeder The Human Factor Stephanie Then Like a Duck to Water Meet Our Alumni Jim Ashton Turnaround Guy Maria Laura Beninati The Iowa Embrace Paul Dierking The Inquisitive Engineer Scott Hagen Far from the Farm J V Loperfido Going with the Flow Student Organization SIIHR Contact Us Research The Iowa Nutrient Research Center Iowa Geological Survey The IGS Rock Library Water Sustainability Initiative Water Quality Everyone s Responsibility Water Communication A New Field The Human Costs of Flooding Biofluids Developing a Digital Lung The Dynamics of Heart Valves Metastatic Cancer Cells and Shear Stress Environmental Engineering Science PCBs A Disturbing Legacy and Ongoing Threat Aboard the Lake Guardian Plume Chasers Landfill Fire Sparks Research Fish Passage Taming Total Dissolved Gas Hydraulic Structures The IIHR Dropshaft Solution Modernizing London s Sewers Hydrometeorology LiDAR Studies Iowa Flood Center A

    Original URL path: http://www.iihr.uiowa.edu/blog/topic/witold-krajewski/ (2015-11-11)
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  • SHL Lantern – IIHR – Hydroscience & Engineering – University of Iowa
    Water Sustainability Initiative Biofluids Environmental Engineering Science Fish Passage Hydraulic Structures Hydrometeorology Iowa Flood Center Ship Hydrodynamics Watershed Processes Other Research Initiatives Instrumentation and Technology Safety Information Publications and Other Media Shops Services Capabilities and Services Featured Projects IESS Facilities Contact Us Facilities Resources Stanley Hydraulics Lab Annexes Labs Shops LACMRERS Support Services People Research Staff Support Staff Graduate Students and Postdoctoral Scholars IIHR Advisory Board News Events Education News

    Original URL path: http://www.iihr.uiowa.edu/about/fact-page-iihr-at-a-glance/shl-lantern/ (2015-11-11)
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  • Free Flow – IIHR – Hydroscience & Engineering – University of Iowa
    complex and still unexplained processes that continue to challenge researchers Wind tunnels computers and LiDAR a few of the facilities and instruments used innovatively at IIHR Weather related research combining field experimentation and numerical models to define raindrops and better analyze and predict nature s patterns The hydrologic cycle fundamental to life and integral to hydrometeorology and hydroscience research Bronze Relief 2 Turbulence Erratic fluid flows that defy scientific description Scouring around bridge piers a longstanding subject of IIHR research River systems studied and modeled by IIHR researchers since the laboratory s first years Note the adjacent Upper Mississippi River channel site of much IIHR research crossed by multiple locks and dams Secondary flow of water currents around a bend creating erosion problems solved by Iowa vanes IIHR s river control structures now used around the world Ice jams representing cold regions research an IIHR focus since the 1970s Fisheries related research initiated in the 1930s and continued today by combining field and lab studies with numerical models research that has demanded the integration of many academic disciplines Students receiving both classroom and research experience a hallmark of an IIHR education The globe symbol of the international students faculty and investigations that have defined IIHR s preeiminence Scaling of research with local studies leading to the understanding of the Earth s large scale processes Bronze Relief 3 Path lines of cavitation the formation of air bubbles in liquid flowing swiftly past a solid body a process indicative of the complexity of fluid flows Flow net a classical graphical representation of fluid movement used in teaching and research A moving propeller generating vertical flows representing IIHR s involvement in ship hydrodynamics since World War II Biomedical research on airflow in human lungs translating hydrodynamic processes to living systems Model of a ship hull being installed in IIHR s towing tank Ship hydrodynamics research integrating laboratory experimentation coomputer modeling and uncertainty analysis Meander flume historic facility for sediment transport studies Early plumbing studies water weighing tank and computer based studies emblems of IIHR s rich and diverse past IIHR s home the C Maxwell Stanley Hydraulics Laboratory after the 2002 renovation and below as first constructed in 1920 near the Burlington Street dam Millstone that ground settlers grain found north of Iowa City and in 1932 incorporated into IIHR s central entrance hallway The Artist s Message About the Artist Tags Free Flow Shirley Wyrick Stanley Hydraulics Lab Last modified on June 29th 2015 Posted on May 9th 2011 Home About Greetings from the Director Fact Page IIHR at a Glance Where is IIHR Communications History IIHR s Historical Studies History Resources Hans Albert Einstein His Life as a Pioneering Engineer Sustainability at IIHR Evolving with the Times Intellectual Connections Worldwide IIHR Alumni Worldwide Archives Films by Hunter Rouse Employment Contact IIHR Webcam Education Graduate Program Admission Assistantships and Fellowships Graduate Student Opportunities Undergraduate Opportunities International Perspectives Service Projects Habitat for Humanity s Women Build Project Fluids Lab Meet Our Faculty and

    Original URL path: http://www.iihr.uiowa.edu/about/free-flow/ (2015-11-11)
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  • Tag Archive for "engineering" – IIHR – Hydroscience & Engineering – University of Iowa
    initiative represents an unprecedented effort to monitor real time changes in a large river in response to climatic events agricultural trends and other human activities Researchers at LACMRERS have 10 Hydrolab multi sonde water quality monitors deployed in Pool 16 for detailed chemical analysis The sensors provide continuous real time monitoring of Dissolved oxygen Temperature Specific conductance LACMRERS Education Posted on September 6th 2013 LACMRERS is an important educational resource for students in many fields of study including engineering biology English and more A water quality class is held every summer at LACMRERS with significant time spent in the field on the Mississippi River Short courses for international students are a popular new innovation at LACMRERS and a recent STEM What s New at LACMRERS Posted on August 19th 2013 There s always something interesting happening at the Lucille A Carver Mississippi Riverside Environmental Research Station LACMRERS LACMRERS is a place where people meet to study collaborate and learn about the Upper Mississippi River often while having a lot of fun Whether it s students gathering to try out some hands on science on the river or Fun Learning and Herky Come to LACMRERS Posted on June 18th 2013 It was a soggy rainy day but that didn t discourage more than 500 people from taking part in the IExploreSTEM Festival on Saturday May 4 at the Lucille A Carver Mississippi Riverside Environmental Research Station LACMRERS on the banks of the Mississippi River near Muscatine K 12 students were able to experience firsthand how fun science Older Entries Home About Greetings from the Director Fact Page IIHR at a Glance Where is IIHR Communications History IIHR s Historical Studies History Resources Hans Albert Einstein His Life as a Pioneering Engineer Sustainability at IIHR Evolving with the Times Intellectual Connections Worldwide IIHR Alumni Worldwide Archives Films by Hunter Rouse Employment Contact IIHR Webcam Education Graduate Program Admission Assistantships and Fellowships Graduate Student Opportunities Undergraduate Opportunities International Perspectives Service Projects Habitat for Humanity s Women Build Project Fluids Lab Meet Our Faculty and Staff Brandon Barquist Talking Shop Pablo Carrica Enjoying the Challenge George Constantinescu Rivers Run in the Family Carrie Davis Playing in the Mud Teresa Gaffey Transformations Anton Kruger How Stuff Works Troy Lyons Bridging the Gap Ricardo Mantilla Going with the Flow Jacob Odgaard Making an Impact Michelle Scherer Solving the Puzzle Fred Stern Revolutionizing Ship Hydrodynamics Stephanie Surine She s a Rocker Eric Tate Studying the Human Costs of Flooding H S Udaykumar The Reluctant Engineer Gabriele Villarini Working the Numbers Mark Wilson What s Not to Like Meet Our Students Tibebu Ayalew Accidental Engineer Ali Reza Firoozfar The Experimentalist Ruben Llamas Success among Friends Beda Luitel Finding a Way Kara Prior For the Love of Discovery Harvest Schroeder The Human Factor Stephanie Then Like a Duck to Water Meet Our Alumni Jim Ashton Turnaround Guy Maria Laura Beninati The Iowa Embrace Paul Dierking The Inquisitive Engineer Scott Hagen Far from the Farm J V Loperfido Going with

    Original URL path: http://www.iihr.uiowa.edu/blog/topic/engineering/ (2015-11-11)
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