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    Aquatic Nutrient Levels and Climate Change
    This learning module was designed to introduce students to the aquatic nutrients nitrogen and phosphorus, their roles in ecosystem function and nutrient pollution, and what impacts climate change...

    Keywords: climate changenitrogenwater resourcesfreshwater systemsEutrophicationwater qualitynutrient pollutionphosphorusdischargeTMDL

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    Environmental Justice and Freshwater Resources
    This module enables students to identify the freshwater components of the hydrologic cycle and connect them to the basic need of all human beings for equal access to clean freshwater.

    Keywords: sustainabilityenvironmental scienceglobal changeexamwater resourcesenvironmental sociologyResources @ InTeGrate

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    Trophic Cascades, Population Structure, and the Role of Keystone Species
    In this activity, students will use data from natural parks to examine terrestrial trophic cascades. Concepts will then be applied to examples in freshwater ecosystems.

    Keywords: case studyBiodiversityplantsResource Typetrophic cascadesnational parks

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    Simple, Accessible River-Based Field Investigation of Riverine Microplastics
    Scientists have discovered that microplastic pollution is ubiquitous in the environment, but the small size of these microscopic pollutants prohibits most people from recognizing their prevalence....

    Keywords: environmental sciencemicroplastic pollutionurban waterswasteenvironmental studiesfield-based learningfreshwater ecologywater qualityRiversSingle-use plasticfreshwater sciencewater ecologyField ExperiencesRiver Ecologyfield workThe Scientific MethodRiver Field Studies Networkfield courses

    649

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    Using Student Perceptions and Cooperative Learning to Unpack Primary Literature on Global Change
    This case describes a three-part assignment in which students discuss key processes that regulate the stability and resilience of the Earth system and our increased risk of generating large-scale...

    Keywords: global changeAnthropoceneEarth-systemplanetary boundary conceptthresholds

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    2015-H_Sayama-Intro to Modeling and Analysis of Complex Systems
    Introduces students to mathematical/computational modeling and analysis developed in the emerging interdisciplinary field of Complex Systems Science.

    Keywords: textbooktext

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    Water Quality Investigation (Project EDDIE)
    This multi-part module aims to help you learn about water quality implications by understanding the variability of concentrations of nitrate in stream water through the evaluation of real-time data...

    Keywords: dataExcelwaternitrogenUSGSProject EDDIEnitrogen cycle

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    Parasites -- They're what's for dinner: Investigating the role of parasites in aquatic food webs
    Use a well-resolved food web database from a freshwater wetland ecosystem in central California to explore how parasites influence community properties and learn how food webs are constructed and...

    Keywords: Resources @ ESA - TIEEparasitismDisease ecologyfmnDIGfood web ecologywetland communitiescomplex life cyclesnetwork modelingintroductory ecology

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    2014-Niemann-Miklos-Simple Method for Estimation of Parameters in First Order Systems
    A simple method for estimation of parameters in first order systems with time delays is presented in this paper.

    Keywords: delaytime delystep response

    82

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    45

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    Addressing Complex, Emergent Risks in 21st Century Natural-Human Systems
    Presentation on wicked problems in natural-human systems

    Keywords: climate changeSummer Workshop 2018environmental systemsfinancial risksystem of systems

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    Impact of Warming on Tidal Wetlands
    This lesson uses a t-test and ANOVA to determine if higher temperatures will have a significant impact on change in mangrove height, change in belowground biomass, and change in surface elevation...

    Keywords: climate changesea-level risesalt marshTidal WetlandElevation ChangeMangrove Forest

    697

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    599

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    Using Systems Thinking in Introductory Biology Courses
    The Systems Thinking module (Units 1-3) was utilized in two separate introductory biology courses, General Biology II Lab and The Living Environment online course.

    Keywords: biologysystems thinkinglab activity

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    2013-Gonzalez_Parra-Arenas-Mathematical Model for Social Security Systems with Dynamical Systems
    In this paper it is proposed a mathematical approach based on dynamic systems to study the effect of the increase in the Social Security normal retirement age on the worker and on the dynamics of...

    Keywords: dynamical systemsretirement modelSocial Security

    148

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    37

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    2009-Chellaboina-EtAl-Modeling And Analysis-Mass Action Kinetics
    Mass-action kinetics are used in chemistry and chemical engineering to describe the dynamics of systems of reactions, that is, reaction networks. These models are a special form of compartmental...

    Keywords: dynamical systemschemical reactionreaction networkmass action

    128

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    Using Structured Decision Making to Explore Complex Environmental Issues
    Environmental issues are inherently complex, often requiring multiple interested parties to come together before agreeing on a solution. Structured decision making is a tool used by federal and...

    Keywords: interdisciplinarysocio-ecological systemsscience policystakeholderstructured decision making

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    2018-Yu-Craciun-Mathematical_Analysis_of_Chemical_Reaction_Systems
    These models of chemical reactions are systems of coupled nonlinear differential equations on the positive orthant.

    Keywords: biochemicalkineticsreactionreaction networkmass action

    104

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    HSI - Student Research Journal - Vol.2 Issue 1 - Spring 2021
    The Headwaters Research Experience students have produced some fascinating research throughout our 10-week program. We encourage all to read their reports in our Vol. 2 - Issue 1 - Spring 2021...

    Keywords: scientific methodscience education

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    Cross-Scale Interactions (Project EDDIE)
    Students explore new modeling and computing tools while learning fundamental concepts about how lake phytoplankton blooms occur through cross-scale interactions.

    Keywords: modelingProject EDDIE

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    272

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    My Fish Tank: An Active Learning Activity for Bacterial Nitrogen Metabolism
    This active learning activity introduces students to the second part of the nitrogen cycle, nitrification. In terrestrial and aquatic environments, bacteria from the Nitrosomonas and Nitrobacter...

    Keywords: nitrogen cyclenitrificationnitrifying bacteria

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    1993-Paul_Blanchard-Teaching Differential Equations With a Dynamical Systems Viewpoint
    This is an early discourse on the dynamical system view point of teaching differential equations with a number of rich illustrations.

    Keywords: dynamical systems

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