This unit applies a flipped classroom model. Students complete a self-study tutorial …
This unit applies a flipped classroom model. Students complete a self-study tutorial prior to attending class. Students are then asked work independently or in pairs to generate a time-aware climate change Web map application using ArcGIS Online. Returning to the theme of cocoa production introduced in Unit 1, students identify climatic conditions conducive for cacao production around the world, especially West Africa where the majority of cacao is grown. Students then use a web application in ArcGIS Online to create a time aware map showing biomes in the KÃppen Climate Classification System and determine how projected climate changes will impact the suitable production regions for cacao in West Africa. Using a jigsaw model, students collect into groups of 4, with a representative from each of the IPCC scenarios, and they compare the the impact of the 4 scenarios in specified cocoa production regions. At the end of the class they will be assigned to one of three regional areas for group work in Units 4-6.
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After an opening discussion of systems thinking and models, student use webDICE …
After an opening discussion of systems thinking and models, student use webDICE , an online Dynamic Integrated Climate Economy model developed by Center for Robust Decision Making on Climate and Energy Policy at the University of Chicago. Students will manipulate input parameters and interpret output in small groups in-class and individually out of class to complete the major mid-module assignment. The goal is to develop their understanding of the sources of uncertainty around future predictions of climate change and its impacts. Students are also introduced to the concept of Social Cost of Carbon (SCC) which is central to subsequent units in this module.
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In this unit, we use energy flows within the climate system to …
In this unit, we use energy flows within the climate system to introduce climate feedbacks and system diagrams. The class session uses an interactive lecture approach having students work on multiple tasks throughout the class session. A system diagram highlighting the complexity of climate change mitigation policy is created to highlight the interdisciplinary nature of addressing anthropogenically forced climate change. The climatic effects of volcanic eruptions are highlighted to provide necessary scaffolding for this module's capstone assessment.
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Students will be introduced to a few of the different methods used …
Students will be introduced to a few of the different methods used in paleoclimatology, including isotopic ratios as paleotemperature proxies. They will investigate the greenhouse gas connections of two ancient climate episodes, the cold "Snowball Earth" of the Neoproterozoic and the hot "Paleocene-Eocene Thermal Maximum" (PETM) of the Cenozoic. The unit emphasizes the grand challenges of energy resources and climate change by grounding these issues in an understanding of ancient climate from a systems thinking perspective. Students will gain a more robust appreciation for the record of the movement of carbon between atmosphere, geosphere, hydrosphere, and biosphere over geologic time, and how various components of the Earth system respond to those perturbations. The unit practices geoscientific habits of mind, such as comparing modern processes to ancient analogues recorded by geologic processes, as well as the importance of converging lines of evidence, and recognition of Earth as a long-lived, dynamic, and complex system.
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What is the contribution of melting ice sheets compared to other sources …
What is the contribution of melting ice sheets compared to other sources of sea-level rise? How much is the sea level projected to increase during the twenty-first century? In this unit students will use Gravity Recovery and Climate Experiment (GRACE) ice-mass loss time series from Greenland and Antarctica to calculate sea-level rise due to the addition of freshwater inputs from melting ice sheets, and use Interferometric Synthetic Aperture Radar (InSAR) ice-velocity data to extrapolate which regions of the ice sheets are losing the greatest mass. Sea-level rise from melting ice sheets is then contrasted to the other dominant causes of sea-level rise, including thermal expansion, melting glaciers, and changes in land water storage. Lastly, students will extrapolate how much sea-level rise will occur by year 2100 based on recent observed rates of sea-level rise and compare these values to sea-level rise projections from the Intergovernmental Panel on Climate Change.
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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Students will be able to identify the functional roles that organisms play …
Students will be able to identify the functional roles that organisms play in ocean ecosystems. How do human-induced changes in ocean conditions affect biodiversity, and thereby the health and resilience of a coral reef? Students explore and discuss the direct and indirect impacts that ocean acidification can have on species, food web dynamics, ecosystem function, and commercial resources. At the end of this unit the students should be able to articulate how changes in ocean chemistry can create negative outcomes for humans who depend on living ocean resources.
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How are recent air temperature trends influencing Greenland's ice mass? Are ice …
How are recent air temperature trends influencing Greenland's ice mass? Are ice mass changes in Greenland spatially and temporally uniform? In this unit, students use atmospheric and geodetic data (GRACE, InSAR, altimetry) to investigate the location, magnitude, and causes of ice mass changes in Greenland.
Show more about Online Teaching suggestions Hide Online-adaptable:Main exercise is a jigsaw activity that can be successfully done in an online course; but it does take a bit of extra effort to arrange the students into two different sets of online groups with online collaboration. This will probably be more success in a synchronous format. OR the unit could be adapted away from the jigsaw format with Parts 2 and 3 below combined into a single exercise done individually or in static small groups.
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The purpose of this unit is to explore, compare, contrast, and calculate …
The purpose of this unit is to explore, compare, contrast, and calculate energy fluxes from different CZO field sites to better appreciate the critical differences in the driving radiative forces affecting each site. This module will help students complete their semester-long project by introducing them to critical baseline data collection and databases related to energy budgets. The primary data set for this activity is the CZO tower network of a dozen met/flux towers spanning six different biomes/sites. Each site has a slightly different data format but it is easily manipulated in a spreadsheet. The lesson is divided into the following engaging activities:
Background lecture: Introduction to water and energy fluxes and balances Database access and graphing activity: Students will learn what data exists in the CZO database and how to load and manipulate it using Excel. Discovery activity: Students in small groups will compare monthly bar graphs of energy fluxes drawn from six Ameriflux sites and address questions concerning linkages with other variables and processes affecting energy partitioning. Reference ET Activity: Students will learn about the Penman-Monteith formulation of evaporation and calculate this from common meteorological data and compare with field measurements of evapotranspiration. The class will discuss these results as time allows.
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How much and how quickly does Earth's surface respond to changes in …
How much and how quickly does Earth's surface respond to changes in a glacier's mass? How can geodesy help scientists understand the relationship between ice mass change and changes in the bedrock surface? How are these processes related to regional sea level changes? In this unit, students use visualizations, bedrock GPS (Global Positioning System), and ice elevation data from Greenland's Helheim Glacier to investigate the concept of post-glacial rebound and the relative contributions of rebound and ice melting to regional sea level changes in Greenland.
Show more information on GPS versus GNSS Hide Note: Although the term GPS (Global Positioning System) is more commonly used in everyday language, it officially refers only to the USA's constellation of satellites. GNSS (Global Navigation Satellite System) is a universal term that refers to all satellite navigation systems including those from the USA (GPS), Russia (GLONASS), European Union (Galileo), China (BeiDou), and others. In this module, we use the term GPS even though, technically, some of the data may be coming from satellites in other systems.
Show more about Online Teaching suggestions Hide Online-adaptable: The lecture and main data analysis exercise can easily be moved online. The final piece is a discussion or [linkhttps://serc.carleton.edu/introgeo/gallerywalk/index.html 'gallery walk'] which can also be successfully done online but may take a little more preparation. For instance, in the case of the gallery walk, the images and questions can be available for online viewing with space available for student comments. Online groups then rotate through the stations virtually.
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In this two-day activity spanning Units 4 and 5, students analyze spatial …
In this two-day activity spanning Units 4 and 5, students analyze spatial variation in climate through a map-based jigsaw exploration of NASA's Earth's Radiation Budget Experiment (ERBE) data. By the end of the activity, students will have created maps and graphs illustrating the global radiation balance and used their knowledge to develop and refine hypotheses regarding impacts of global climate change.
Unit 4 (day 1 of activity) begins with a brief student exploration of the global impacts of climate change and how maps can be used to effectively communicate these patterns. Students are then broken into small groups to analyze a map of one of three ERBE datasets. Students are asked to interpret geographic patterns in these data, infer the underlying causes of patterns they observe using knowledge they have accumulated in the previous units, and create an annotated map that clearly illustrates their observations and inferences. During the following class period (Unit 5), they will share their findings with a new group of classmates and work to synthesize the data to estimate the radiation balance.
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In this unit, students will gain a deep-time perspective on how life …
In this unit, students will gain a deep-time perspective on how life evolves on a dynamic planet. They will use the Equidae (horse family) as a case study to examine the relationship among climate, biomes, and fossils to determine how changing environmental conditions influenced horse morphology and diversity through time. After a brief introduction, students will work in groups to examine data and formulate ideas about why changing climatic conditions and an increase in grasslands led to changes in horse morphology and diversity. This example of adaptive radiation and extinction within one well-known group of organisms in response to changes in Earth's interrelated systems demonstrates how the geologic record provides an important context for understanding modern patterns of biodiversity. Students will also use the data to evaluate earlier and more recent ideas about Equidae evolution to appreciate how scientific ideas can change over time based on new evidence.
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This unit shows how GPS records of bedrock surface elevation may be …
This unit shows how GPS records of bedrock surface elevation may be used to monitor snow and ice loading/unloading on decadal and annual time scales. Students calculate secular trends in the GPS time series and then use the original and detrended records to identify sites that exhibit similar behavior. Students gain experience with the challenges and benefits of using bedrock geodetic data to study snow and ice mass changes. They also consider the magnitude and timing of the elastic component of vertical change compared to that associated with post-glacial rebound (viscoelastic response).
Show more information on GPS versus GNSS Hide Note: Although the term GPS (Global Positioning System) is more commonly used in everyday language, it officially refers only to the USA's constellation of satellites. GNSS (Global Navigation Satellite System) is a universal term that refers to all satellite navigation systems including those from the USA (GPS), Russia (GLONASS), European Union (Galileo), China (BeiDou), and others. In this module, we use the term GPS even though, technically, some of the data may be coming from satellites in other systems.
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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Students will read and summarize an article that details scientific studies on …
Students will read and summarize an article that details scientific studies on behavioral changes of gray whales. Discussed are their feeding behavior, migratory behavior, and breeding patterns in the Pacific. Students will examine the whales' responses and discuss in small groups how the responses relate to climate change. By interpreting potential links between gray whale behavior and changed ocean conditions, students will be able to infer the ecological role that gray whales play within a community and an ecosystem. Students will summarize the main concepts, scientific evidence, data and observations cited, and justify why gray whales can be considered "ecosystem sentinels."
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Building on the work they did in Unit 3, students will perform …
Building on the work they did in Unit 3, students will perform an "ecocritical" rhetorical reading (the theoretical lens for examining the way that literary texts engage with climate and climate issues) in order to analyze a short story chosen from several provided by the instructor. They will utilize literary terminology in discussing this text and generating a rhetorical analysis of it.
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In this two-day activity spanning Units 4 and 5, students analyze spatial …
In this two-day activity spanning Units 4 and 5, students analyze spatial variation in climate through a map-based jigsaw exploration of NASA's Earth's Radiation Budget Experiment (ERBE) data. By the end of the activity students will have created maps and graphs illustrating the global radiation balance and used their knowledge to develop and refine hypotheses regarding impacts of global climate change.
In Unit 5 (day 2 of activity) students work in new groups that include members who analyzed each of the three ERBE datasets from day 1 of the activity (Unit 4). These synthesis groups work together to summarize their observations and infer regions of radiation excess and deficit in graph and map forms. These new figures are used to facilitate a whole-class discussion of the global radiation balance. The unit ends with a discussion of how atmospheric circulation acts to balance the radiation budget and the impacts of a changing climate on other Earth systems.
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Students will examine data that record the modern increase in carbon dioxide …
Students will examine data that record the modern increase in carbon dioxide concentrations and the associated increase in average temperatures, and they will investigate the effects of carbon dioxide on various components of the Earth system (atmosphere, cryosphere, hydrosphere -- oceans). Students also learn how the burning of fossil fuels contributes to increases in atmospheric carbon dioxide.
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Is sea level change globally uniform? How do sea level changes have …
Is sea level change globally uniform? How do sea level changes have the potential to influence major metropolitan areas during the next century? How should these changes be addressed, and who should be responsible for taking action? In this unit, the conclusion to the Ice Mass and Sea Level Change module, students explore the potential impacts of sea level change on the economy, infrastructure, and residents of Southern California and New York City. Students also consider how changes in these two regions will have a widespread influence on other US cities, even for landlocked communities.
Show more about Online Teaching suggestions Hide Online-adaptable: This sea level impact analysis is designed to be done in small groups and possibly with a class gallery walk. These would need to be converted to small online groups and online discussion. The Part 4 wall walk could potentially be adapted to class discussion that uses polling feature to see people's opinions. Arguments could be made verbally or with the chat box.
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Sea-level rise due to the melting of glaciers and ice sheets and …
Sea-level rise due to the melting of glaciers and ice sheets and ocean thermal expansion has significant societal and economic consequences. In this final unit, students prepare a summary of the impacts of sea level for relevant stakeholders. Students will integrate the stakeholder analysis in Unit 1 with the geodetic data (radar satellite altimetry, GRACE [Gravity Recovery and Climate Experiment], InSAR, and GPS) of ice mass loss and sea-level rise from Units 2 -- 4 in their analysis. Unit 5 is the summative assessment for the module.
Show more about Online Teaching suggestions Hide Online-ready: The exercise is a final project that can be done remotely, individually or in small online groups.
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In the final unit of the module, students will synthesize their understanding …
In the final unit of the module, students will synthesize their understanding of climate science and modes of communication. Students are assigned to groups and given a climate change issue that they will use to demonstrate their understanding of ethos, pathos, and logos, when presented with a variety of audiences. The module summative assessment is designed to be administered after this unit.
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This unit is the module's capstone project: developing a conceptual model of …
This unit is the module's capstone project: developing a conceptual model of the climatic and societal effects of a catastrophic volcanic eruption occurring in modern times. Through independent research and in-class collaboration, students explore the climatic and societal effects of past volcanic eruption events. Students are then introduced to the large Toba eruption event, review concept maps, concept sketches, and system diagrams, and are are given examples and guidelines for conceptual model design. Students complete their written summary outside of class.
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