Podcast
Questions and Answers
What was the cause of the mid-century 'pause' in warming?
What was the cause of the mid-century 'pause' in warming?
- Ice melting in Antarctica
- Thermal expansion of water
- Aerosol pollution (correct)
- Increase in atmospheric CO2 levels
Which observation does NOT contribute to sea level rise?
Which observation does NOT contribute to sea level rise?
- Decrease in mass of global reference glaciers
- Increase in atmospheric CO2 (correct)
- Decrease in mass of Greenland ice sheet
- Decrease in Arctic sea ice
Where do the numbers 280 ppm and 420 ppm reference in the text?
Where do the numbers 280 ppm and 420 ppm reference in the text?
- Arctic sea ice decrease
- Temperature observations
- Atmospheric CO2 levels (correct)
- Sea level rise measurements
What is the main contributor to observed sea level rise?
What is the main contributor to observed sea level rise?
Which proxy is used for determining paleoclimate up to around 800,000 years ago?
Which proxy is used for determining paleoclimate up to around 800,000 years ago?
What change is associated with Milankovitch cycles according to the text?
What change is associated with Milankovitch cycles according to the text?
What process uses sugars and O2 to produce CO2, water, and energy?
What process uses sugars and O2 to produce CO2, water, and energy?
In cellular respiration, what is used to produce CO2, water, and energy?
In cellular respiration, what is used to produce CO2, water, and energy?
Which of the following is a byproduct of cellular respiration?
Which of the following is a byproduct of cellular respiration?
What is the primary function of photosynthesis in the biosphere?
What is the primary function of photosynthesis in the biosphere?
Which process uses CO2 and water to create sugars and O2?
Which process uses CO2 and water to create sugars and O2?
What is the source of energy produced in cellular respiration?
What is the source of energy produced in cellular respiration?
What is the main factor that causes water to be slightly heavier if it contains 2H instead of 1H?
What is the main factor that causes water to be slightly heavier if it contains 2H instead of 1H?
In the context of hydrogen isotopes, when is 𝛿D (𝛿 2 𝐻) in ice high?
In the context of hydrogen isotopes, when is 𝛿D (𝛿 2 𝐻) in ice high?
What does a low 𝛿13 𝐶 value imply in terms of carbon isotopes contribution?
What does a low 𝛿13 𝐶 value imply in terms of carbon isotopes contribution?
Which period experienced a regional cooling known as the 'Little Ice Age'?
Which period experienced a regional cooling known as the 'Little Ice Age'?
What allows us to quantify the fractionation of heavy water in the atmosphere relative to oceans?
What allows us to quantify the fractionation of heavy water in the atmosphere relative to oceans?
When is 𝛿18 𝑂 in ocean sediments/fossils low according to the text?
When is 𝛿18 𝑂 in ocean sediments/fossils low according to the text?
