Climate Change: CO2 Concentration Measurement

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Questions and Answers

What is the primary contributor to the increase in nitrous oxide concentrations in the atmosphere?

  • Burning of fossil fuels
  • Deforestation and industrial processes
  • Agricultural activities like fertilizer use and waste management (correct)
  • Livestock digestion and rice cultivation

What is the main reason why methane has a significant impact on global warming despite lower emissions compared to CO2?

  • Its low GWP and long atmospheric lifetime
  • Its high GWP and long atmospheric lifetime
  • Its low GWP and short atmospheric lifetime
  • Its high GWP and short atmospheric lifetime (correct)

What is the main driver of the global temperature rise since the Industrial Revolution?

  • Natural climate variability
  • Human emissions of methane
  • Human emissions of CO2 (correct)
  • Human emissions of nitrous oxide

What is the approximate temperature increase since 1850?

<p>1.1°C (D)</p> Signup and view all the answers

Why is reducing nitrous oxide emissions challenging?

<p>Due to its agricultural sources and long atmospheric lifetime (D)</p> Signup and view all the answers

What is the reason for the accelerated river flow changes?

<p>Melting glaciers and reduced snow cover (A)</p> Signup and view all the answers

What is the primary purpose of ice core analysis in the context of climate change?

<p>To reconstruct ancient atmospheres and provide a record of CO2 changes over time (B)</p> Signup and view all the answers

What is the primary source of methane and nitrous oxide emissions?

<p>Fossil fuel production and waste management (D)</p> Signup and view all the answers

Why do some smaller countries have high per capita emissions?

<p>Due to oil and gas production (C)</p> Signup and view all the answers

What is the primary contribution of the Mauna Loa Observatory to climate change research?

<p>Monitoring current CO2 concentrations and detecting significant increases (D)</p> Signup and view all the answers

What is the primary driver of global warming, according to the text?

<p>CO2 emissions from fossil fuel production and use (B)</p> Signup and view all the answers

What is the primary advantage of using atmospheric sensors for CO2 concentration measurement?

<p>Allowing for direct measurement of CO2 concentrations (D)</p> Signup and view all the answers

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