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3.7 Climate research
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Aardrijkskunde
Middelbare school
vwo
Leerjaar 3
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Slide 1 - Diapositive
3.7 Climate research
Program:
- Picture
- Lessen goals
- Planning
- Climate research
- Assigments
- Closing
Slide 2 - Diapositive
Lesson goals
You'll learn to
- Explain how ice-core data is used.
- Use annual rings, pollen, landscapes, layers in the ground and Fossils to explain climate change.
- Use these data sets to make a statement within the climate debate.
Slide 3 - Diapositive
Climate research
Slide 4 - Diapositive
Slide 5 - Diapositive
Slide 6 - Diapositive
Data and Models
- Annual rings
- Pollen
- Landscape
- Ice cores
- Layers in the ground
- Fossils
Slide 7 - Diapositive
Annual Rings
Dendrochronology
Annual?
What do the rings tell us?
Slide 8 - Diapositive
What is the oldest ring of a tree?
Slide 9 - Question ouverte
Old trees
Old log-cabins
Slide 10 - Diapositive
What does the withe of an annual ring tells climate scientists?
Slide 11 - Question ouverte
Pollen
- Higher temperature
- More pollen
- More pollen found in the:
- Ice
- Ground
- Sediments
Slide 12 - Diapositive
Landscape
Hills, valleys and other forms of landscape are indications of the previous climate
- Veluwe
- Utrechtse heuvelrug
Slide 13 - Diapositive
Stuwwallen
Relief
Slide 14 - Diapositive
Pingo
Underground water freezes and expands.
Slide 15 - Diapositive
Pingo
Pingo ruin
Slide 16 - Diapositive
Ice cores
Co2 is stored within the tiny air bubbles in the ice
Ice core data goes back 740.000 years
(Antarctica)
Slide 17 - Diapositive
Layers in the ground & Fossils
Not the most accurate
It's a time capsule not a linear scale
Slide 18 - Diapositive
Climate scientists use dating
- Dating of stacked layers (ice cores, annual rings, pollen)
- Make a climate chart and use the different aspects
- Is climate change normal?
Slide 19 - Diapositive
Climate change or Climate stability?
Slide 20 - Diapositive
Closing
To know:
- Different methodes for measuring the climate
- Accurate or not?
To do:
- Make assigments of 3.7 (MS-teams)
Slide 21 - Diapositive
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