This unit is designed to function as three days of instruction in …
This unit is designed to function as three days of instruction in an introductory urban planning, environmental science/studies or public health course.
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This unit will introduce methods and data from Critical Zone observatories as …
This unit will introduce methods and data from Critical Zone observatories as well as methods that scientists use in their research. These activities will provide an introduction to methods used in later units and help students develop a research proposal for the summative assessment activity. In this unit, students will be introduced to basic scientific methods such as:
How to create an effective annotated bibliography. How to use software such as MS Excel to graph, analyze, and interpret data.
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In this activity, students model the impact of land-cover changes on stormwater …
In this activity, students model the impact of land-cover changes on stormwater runoff using the EPA's National Stormwater Calculator (Calculator). The students are introduced to the Calculator through a tutorial. Students are provided with a particular site -- a residential neighborhood -- and model two land-use scenarios associated with it: (1) a pre-expansion scenario that includes current forest and developed land cover, and (2) a post-expansion scenario, under which the forest cover will be developed as low-intensity residential.
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Students will learn about geoscience-specific methods used to analyze data in the …
Students will learn about geoscience-specific methods used to analyze data in the Critical Zone from data-driven activities and short presentations by their peers. The topics include the use of carbon isotopes, rock and soil profile weathering rates, stream discharge, demographics, and soil carbon. Activities will build data analysis and communication skills while using real data to interpret Critical Zone processes and begin to think about human interactions in the Critical Zone. Students will use geoscience-specific methods when developing their research proposal for the summative assessment activity.
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In this activity, students model the impact of changes in land cover …
In this activity, students model the impact of changes in land cover on stormwater runoff using the EPA's National Stormwater Calculator. Students mitigate increased stormwater runoff resulting from development with low impact development (LID) controls. Students assess the LID controls in terms of the ecosystem services that they are intended to replace and discuss alternative development designs to reduce the need for them.
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In this activity, students model the impact of a proposed land-use change …
In this activity, students model the impact of a proposed land-use change for a local site using the EPA's National Stormwater Calculator (Calculator). Given a description of the proposed land-use change, students devise and execute a series of simulations in the Calculator that model its potential impact on stormwater retention. Using additional simulations, students explore changes to the site that utilize low impact development (LID) controls to mitigate stormwater runoff.
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This unit provides students with experience analyzing traditional (depth to water table …
This unit provides students with experience analyzing traditional (depth to water table measured in a well) and geodetic: GRACE (Gravity Recovery and Climate Experiment) data for monitoring changes in groundwater storage in the High Plains Aquifer. Variations across timescales are compared, from seasonal to interannual to decadal. This comparison highlights some of the challenges associated with quantifying changes in groundwater storage at the regional scale. Aquifer properties are used to consider changes in terms of both "depth to water table" and water storage. Students are asked to formulate explanations for the observed variations in the context of the water balance equation. Students compare their results to a multidecadal trend reported in the literature (Konikow, 2011).
Show more about Online Teaching suggestions Hide Online-ready: The exercise is electronic and could be done individually or in small online groups. Lecture is best done synchronously due to the technical nature. Discussion would be better that way too.
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The introduction and examination of the food, energy, and water connection -- …
The introduction and examination of the food, energy, and water connection -- as a system in Unit 1 -- established the dictates of human dependency on and human modification of the environment. We continue a logical progression of what this means in Unit 2, with a focus on how people see, confront, and solve their resource challenges in the light of their need for affordable, accessible, healthy, sustainably-grown food. This unit introduces and explores the concepts, themes, and practices of: urban agriculture, urban farming, local food, food insecurity, food deserts, health & wellness education, community food gardens, community food dialogue, public policy, civic engagement, volunteerism, expert technical assistance, land reclamation, grants and incentives, entrepreneurship, and community economic development.
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This unit investigates the role of the atmosphere on incoming solar and …
This unit investigates the role of the atmosphere on incoming solar and outgoing terrestrial radiation and analyzes modern trends in greenhouse gas concentrations. Students first investigate radiation spectra to see how the atmosphere absorbs radiation in different parts of the electromagnetic spectrum. This information is used to develop the idea of greenhouse warming. Students then use the atmospheric CO2 dataset from Mauna Loa to investigate changes in atmospheric CO2 through time, and the drivers behind these changes. Follow-up questions ask students to consider how their own daily activities contribute to atmospheric CO2, and how rising CO2 may trigger potential feedbacks in the Earth system.
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In this unit, students examine the interaction between the hydrologic cycle and …
In this unit, students examine the interaction between the hydrologic cycle and rock cycle through exploring the processes of weathering, erosion, transport and deposition of sediments both in real stream systems and in a physical, table-top model of a stream. This activity focuses group thinking on: 1) identification and interpretation of patterns that define physical characteristics associated with three distinct areas of a river system and 2) the type of energy transfers that occur as sediments are eroded, transported and deposited.
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Electrical measurement of unconsolidated soils in the laboratory. Provenance: Lee Slater, Rutgers …
Electrical measurement of unconsolidated soils in the laboratory.
Provenance: Lee Slater, Rutgers University-Newark Reuse: This item is in the public domain and maybe reused freely without restriction. Archie (1950) defined the term petrophysics to describe the study of the physics of rocks, particularly with respect to the fluids they contain. Although originally focused on geophysical exploration, petrophysics concepts are now used to interpret near surface geophysics measurements made to address environmental and engineering problems. This unit investigates relationships between these geophysical measurements and the physical and chemical properties of soils and sediments in the Earth's near subsurface. The specific focus is on the electrical properties of soils and how they are related to the ionic concentration of the pore fluids, the water content, porosity and grain size. Field results from a geophysical survey performed in Kearny Marsh, close to Harrier Meadow, are included to illustrate how electrical conductivity of a soil measured with an electromagnetic sensor is a good proxy for pore fluid ionic concentration, in this case related to contamination from a bordering landfill.
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This unit presents core underlying principles needed to understand refraction seismology concepts …
This unit presents core underlying principles needed to understand refraction seismology concepts including refraction of rays, types of seismic waves, interpreting information about subsurface materials from seismic properties and developing conceptual models of the subsurface environment.
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Can active faults be identified remotely, based upon their appearance in the …
Can active faults be identified remotely, based upon their appearance in the landscape? How can the geomorphic features associated with active faults be used to classify and quantify fault movement? In this unit, students will analyze lidar data and remote sensing imagery, with the aim of discovering how different styles and timescales of faulting are recorded in the landscape. Concepts pertinent to earthquake hazard and infrastructure risk -- such as average slip per event, earthquake recurrence, and fault slip rate -- will be investigated.
Show more about Online Teaching suggestions Hide Online-ready: The exercise is electronic and could be done individually or in small online groups (using the Google Earth rather than printable files). Lecture can be done in synchronous or asynchronous online format.
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In this unit, students work in small groups to examine and analyze …
In this unit, students work in small groups to examine and analyze spatial data relevant to soils to identify patterns. They use their analyses to add detail to their Earth systems concept maps and describe how these data are relevant to interdisciplinary societal issues.
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In Unit 2, students learn how the techniques for water budgeting (covered …
In Unit 2, students learn how the techniques for water budgeting (covered in Unit 1) can be used to monitor both groundwater (High Plains Aquifer) and surface water (western mountain watershed) systems. Students interpret time-series plots that show the impact of drought years and wet years on underground water storage in the High Plains Aquifer and on snowpack and surface runoff in the western mountain watershed. They also consider the societal implications of water deficits through a series of pre-class readings, questions embedded in the assignments, and small and whole-group discussions. This unit can involve substantial computer time during which students use Excel to view and interpret hydrologic data. An alternative version with hard-copy graphs is also provided.
Show more about Online Teaching suggestions Hide Online-adaptable: Both parts of this unit are completely digital and thus at a logistical level it can be switched to online fairly easily. However, due to the relative complexity of the data investigations, there will still be quite a bit of instructor support needed and/or extended small group that should be arranged.
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Students will be provided with seawater pH and carbon dioxide concentration (pCO2) …
Students will be provided with seawater pH and carbon dioxide concentration (pCO2) data spanning as far back as 1850. They will describe trends in pH, pCO2 and atmospheric CO2 concentration, outline why these parameters are related, and predict how changes in these parameters will affect marine biology. Each group of students will be given a different set of data from different regions and asked to compare with other groups to determine if seawater pH change is a global or regional phenomena. This unit will provide students with an understanding of the pH buffering system and an opportunity to interpret real climate data.
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Students will collect and analyze relevant social data on individual and community …
Students will collect and analyze relevant social data on individual and community knowledge, risk perception and preparedness within their local social networks.
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This unit includes an opportunity for students to move from definitions into …
This unit includes an opportunity for students to move from definitions into reading and creating a diagram of a complex system relevant to their course, and then to exploring the connections between the components in the system. An exercise is provided to help students identify complex systems and their component parts from the world around them. Students will draw and revise a systems diagram, including identifying measurable quantities in the system, and participate in a gallery walk. The unit ends with students constructing a system diagram from photographs they take, and reflecting on their process. Note that to carry out the activities described in this unit, groups of students will need large sheets of paper and markers, or whiteboard/chalkboard space, to create a diagram.
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How do geologic, hydrologic, biologic, and built-landscape features manifest themselves on maps? …
How do geologic, hydrologic, biologic, and built-landscape features manifest themselves on maps? In this unit, students will use topographic maps, hillshade maps, and aerial imagery to learn to recognize a variety of landscape features and subsequently identify as many of these features as they can on a map of a new study area. They will also construct a topographic profile from their map data and use their profiles to understand the concepts of slope, aspect, and relief and how these landscape characteristics are important in hazard assessment and land-use planning.
Show more about Online Teaching suggestions Hide Online-adaptable: Part 1 (lecture) and Part 3 (individual or small-group exercise) are particularly straight forward to adapt to online. The landscape scavenger hunt exercise, Part 2, is typically done with printed maps but can be successfully adapted to online by having synchronous groups of students work together to annotate digital map files using: 1) PDF annotation tools in Adobe or 2) putting the map images into a Google Slides file and using the scribble tool. Google Earth files are also provided as an additional option.
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In this unit, students will keep a log of immediate, personal sensory …
In this unit, students will keep a log of immediate, personal sensory experiences by pausing once each hour over a period of ten hours and recording the sights, sounds, smells, tastes, and tactile experiences they are sensing at that moment. The log (or journaling activity) will occur outside of class and will be shared in a subsequent class meeting. In class, students will exchange their logs, respond and discuss, and then form larger groups which will discuss disparate ways of paying attention to sensory experiences. Students will develop a deeper understanding of their own perceptions and how those perceptions can be recorded and used to evaluate an environmental setting. This activity is qualitative; it requires students to create an informal, subjective journal of their sensory experiences once each hour for a ten-hour time period prior to class. When students share their individual qualitative experiences in pairs and small groups, they will begin to see patterns emerge that will enable them to develop quantitative observations for future use. They will also begin to relate their sensory experiences to the social, biological, and geophysical aspects of their personal environment; students will begin to explore how these system components are interrelated and how exposure to them may impact human experience and well-being. After the group discussion, students will reflect on the interstices between qualitative and quantitative analysis by way of their sensory logs and mutual discussion.
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