GEO 409

Global Climate Change and Variability

An advanced course exploring ecosystem and landscape processes, carbon and water fluxes, land-use change, and the coupled effects of global climate change and human activities on terrestrial ecosystems. Topics span field measurements, remote sensing, and ecosystem modeling across multiple spatial and temporal scales.

Credits and term
3 credits · Fall offering
Level
Undergraduate
Instructor (Guest Lectures)
Dr. Jiquan Chen (Prof. Atul Jain -- UIUC, Prof. Geoff Henebry, Prof. Nathan Moore, Dr. Cheyenne Lei, Mr. Moriz Steiner, Mrs. Carrie Wicker)

Lecture Slides (Fall 2026), Syllabus

Date PDF
Aug 31, 2026: Introduction
Housekeeping Before We Begin
PDF
Sep 2, 2026: Global Climate and Changes
  1) What is climate change?
  2) How do we know climate change is real (Evidence)?
  3) What is causing climate change (Causes)?
  4) What are the effects of climate change (Effects)?
  5) What do we need to address the challenges at global scale?

Reading:
NASA: NASA: https://science.nasa.gov/climate-change/
PDF
Sep 9, 2026: Physical Foundations for Global Climatic Changes
  Turner’s Lecture on climate change (13 min)
  Physical Laws
  Radiative Processes
  Energy Balance of the Earth

Reading:
IPCC AR6 Working Group I, Chapter 7: The Earth’s Energy Budget, Climate Feedbacks, and Climate Sensitivity. Pages: 924-932.[PDF]
PDF
Sep 14, 2026: Greenhouse Effects on Global Climate & Change
  Major Greenhouse Gases (GHG)
  What is greenhouse effect?

Reading:
Chen, J., C. Lei, and P. Sciusco, 2021. Modeling Ecosystem Global Warming Potentials. In Biophysical Models and Applications in Ecosystem Analysis (pp. 121-126). MSU Press.[PDF]
PDF
Sep 16, 2026: Albedo Effects on Earth’s Climate: Warming and Cooling (by Dr. C. Lei)
  What is albedo?
  Albedo of terrestrialecosystems
  How do we measure albedo?
  AlbedoandGlobal Warming Potential
  Land useandalbedo

Reading:
Chen, J., Lei, C., Chu, H., Li, X., Torn, M., Wang, Y. P., ... & Robertson, G. P. (2024). Overlooked cooling effects of albedo in terrestrial ecosystems. Environmental Research Letters, 19(9), 093001.[Article online]
PDF
Sep 21, 2026: Quiz 1; Guidelines for term papers and presentations; Major Consequences of Climate Change
  Presntation_Rubrics [PDF]
  Feeback from Students for Improvement;
  Tips for Making an Effective Presentation
  A Story of Dairy Production in Kazakhstan

Reading:
Naegle, K.M., 2021. Ten simple rules for effective presentation slides. PLoS Computational Biology, 17(12), p.e1009554.[Article online]
PDF
Sep 23, 2026: Major Consequences of Climate Change
  Direct impacts
  Indirect impacts
  Positive feedback loops
  global perspective

Reading:
Levin, K., Boehm, S., & Carter, R. 2022. 6 Big Findings from the IPCC 2022 Report on Climate Impacts. Adaptation and Vulnerability. https://www.wri.org/insights/ipcc-report-2022-climate-impacts-adaptation-vulnerability?utm_source=chatgpt.com
PDF
Sep 28, 2026: Major Consequences of Climate Change (water)
  Quiz 1, Student Feedback Summary, and Schedule Changes
  YouTube Video: Sea level rise & the impacts on NY City; Shrinking Aral Sea
  Shift of Water Level Global Lakes
  Great Lakes in a changing climate: algal blooms, frozen surface, snow fall, ET, etc.

Reading:
Liu, Y., Chen, J., Sun, G., Zhang, G., Feng, J., & Fan, X. 2025. Catastrophic shifts in large lake levels. Fundamental Research, 5(5):2084-2087[PDF]
PDF
Sep 30, 2026: Southern Oscillation (ENSO)
  What are El Niño and La Niña?
  How often does ENSO occur?
  How will ENSO impact a particular region?
  What is the Southern Oscillation Index (SOI)?
  El Niño/La Niña Update (August 2026) -- WMO

Reading:
NOAA, El Niño Southern Oscillation (ENSO); https://psl.noaa.gov/enso/?utm_source=chatgpt.com
WMO on El Niño (9/3/2026); https://wmo.int/resources/publication-series/el-ninola-nina-updates/august-2026
PDF
Oct 5, 2026: Climate Extremes & Effects
  What are climate extremes?
  How are climate extremes defined and quantified?
  What are the attributes of climate extremes?
  What are the major climate extreme types?
  In class exercises

Reading:
U.S. Climate Extremes Index (CEI): https://www.ncei.noaa.gov/access/monitoring/cei/
Stephenson, D. B. (2008). Definition, diagnosis, and origin of extreme weather and climate events. Climate Extremes and Society, 9780521870, 11–23.[PDF]
PDF
Oct 7, 2026: Quiz 2; Carbon Cycle and Climate Change
  Terminology and basics
  Recap: Greenhouse Gas Effects and Changes
  Global carbon budget

Reading:
Executive summary (Pages 968-969) of Friedlingstein et al. (2024). Global carbon budget 2024. Earth System Science Data Discussions, 2024, 1-133. [Article online]
PDF
Oct 12, 2026: Carbon Sequestration and Climate Change
  Group exercise (carbon monitoring)
  Carbon sequestration, credit, and market
  Carbon footprint

Reading:
Global carbon budget: https://carbonmonitor.org/
World population: https://www.worldometers.info/world-population/
Primary energy consumption per capita (https://ourworldindata.org/grapher/per-capita-energy-use)
State and trends of carbon pricing dashboard: https://carbonpricingdashboard.worldbank.org/?utm_source=chatgpt.com
PDF
Oct 14, 2026: Carbon Story Continues; Overview of the Class PDF
Oct 19, 2026: An introduction to land surface phenology: What is it and why is it critical for understanding terrestrial ecosystem dynamics? (Prof. G. Henebry)
  Stepping Back to See the Whole
  Context for Land Surface Phenology (LSP)
  Drivers of Phenology
  Land Surface Phenologies at Different Scales
  LSPs in Cool Earthlight

Reading:
Morisette, J. T., Richardson, A. D., Knapp, A. K., Fisher, J. I., Graham, E. A., Abatzoglou, J., ... & Liang, L. (2009). Tracking the rhythm of the seasons in the face of global change: phenological research in the 21st century. Frontiers in Ecology and the Environment, 7(5), 253-260.[Article online]
Coming soon
Oct 21, 2026: Midterm Exam PDF
Oct 28, 2026: Ecosystem Modeling for Wildlife under the Changing Climate (Mr. M. Steiner)
  What is Ecosystem Modeling for Wildlife, and why is it used?
  Why is it vital for the entire planet, including humans?
  Wildlife conservation is essential but not high on the agenda in capitalist societies
  Biodiversity conservation directed by models can support climate resilience and landscape sustainability.
  Habitat suitability and model predictions need careful interpretation.

  Reading: lecture notes.
PDF
Nov. 2, 2026: Urban Heat Islands (UHI )
  Five major causes of UHI
  Three major approaches to quantify UHI
  Four major consequences
  Six strategies to reduce UHI effects

Reading:
What Are Urban Heat Islands? (https://www.epa.gov/heatislands/what-are-heat-islands)
Reference: Oke, T.R. (1973). City size and the urban heat island. Atmospheric Environment, 7(8), 769–779.
PDF
Nov 4 2026: Coral Bleaching: Causes, Mechanisms, and Ecological Consequences
  Causes
  Examples and Facts
  Climate connections

Reading:
Van Woesik et al. (2022). Coral‐bleaching responses to climate change across biological scales. GCB, 28(14), 4229-4250.
UNEP, The world’s corals are bleaching. Here’s why and what it means for the ocean’s future; https://www.unep.org/new s-and-stories/story/worlds- corals-are-bleaching- heres-why-and-what-it- means-oceans-future
PDF
Nov 9 2026: Quiz 3; Climate Zones and Global Ecosystems
  Five major climate zones in Köppen Climate Classification
  Three criteria for the classification
  Uncertainty & User-dependent classifications
  Plants & Animals across the Global Terrestrial Lands

Reading:
NOAA Jetstream: Climate Zones (https://www.noaa.gov/jetstream/global/climate-zones?utm_source=chatgpt.com)
PDF
Nov 11, 2026: How Can We Help Build the Technosphere? (Prof. N. Moore)
  What are Technosphere and Anthropocene?
  Six Rules of the Technosphere
  How can we measure the Technosphere?
  Where to look for adaptation?

Reading:
1) Haff, P. (2014). Humans and technology in the Anthropocene: Six rules. The Anthropocene Review, 1(2), 126-136.[Article online]
2) Garrett, T. J., Grasselli, M., & Keen, S. (2020). Past world economic production constrains current energy demands: Persistent scaling with implications for economic growth and climate change mitigation. PLoS One, 15(8), e0237672.[Article online]
PDF
Nov 16 2026: Changing State of the Climate System: Past, Current and Future
  Large-scale changes in climate system
  Drivers
  Key climate indicators and principal modes of variability
  Future Climate (to be continued on Nov 23)

Reading:
Judd, E. J., Tierney, J. E., Lunt, D. J., Montañez, I. P., Huber, B. T., Wing, S. L., & Valdes, P. J. (2024). A 485-million-year history of Earth’s surface temperature. Science, 385, eadk3705.[PDF]
Reference: IPCC AR6 report (Chapter 2)
Coming soon
Nov 18 2026: Earth System Modeling – ESM (Prof. A. Jain -- zoom)Coming soon
Nov 23, 2026: Future Global Climate: Scenario-based Projections and Near-term Information
  Coupled Model Intercomparison Project Phase 6 (CMIP6)
  Scenarios & Shared Socio-economic Pathways (SSPs)
  Near term (2021–2040), mid-term (2041–2060), and long term (2081–2100)

  Quiz 4

Reading:
IPCC AR6 report (Chapter 4)
Coming soon
Nov 25, 2026: Group Discussion on Term Papers & Presentation (Self-arranged, with the instructor online)Coming soon
Nov 30, 2026: Adaptation and Mitigation ActionsComing soon
Dec 2, 2026: Visualizing Global Climate and Changes (w/ Mrs. Carrie Wicker) @ MSU Museum
  Student Perceptions of Learning Survey (SPLS)
  Team presentation and assessment (10 each, 6 groups)
Coming soon
Dec 9, 2026: Group meeting & discussion w/ Dr. J Chen (zoom and in-person)Coming soon
Dec 17, 2026: Individual term papers are due by 5:00 pmComing soon

Lecture files are organized chronologically to support weekly review and in-class follow-up.

Course Contact

Questions about GEO 409? Contact Dr. Jiquan Chen.