Paleoclimatology Data

Laboratory Exercise 6:

Climate Change: Paleoclimatology Data

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Paleoclimatology data are derived from natural sources such as tree rings, ice cores, corals, and ocean and lake sediments. These proxy climate data extend the archive of weather and climate information hundreds to millions of years. The data include geophysical or biological measurement time series and some reconstructed climate variables such as temperature and precipitation.

NOAA’s National Center for Environmental Information (NCEI) provides the paleoclimatology data and information scientists need to understand natural climate variability and future climate change. They also operate the World Data Service for Paleoclimatology, which archives and distributes data contributed by scientists around the world.

Objectives:

  • Understand the link between CO2 and temperature
  • Be able to work with real data
  • Be confident in searching the NOAA website
  • Create graphs in Excel
  • Perform qualitative analysis and interpretation of the ice core data

Procedure:

  1. See attached anonymous ice core location, only latitude & longitude is given as a clue to its identity. The ice cores have atmospheric CO2data available from ~1,000 years ago.

 

  1. The data (CO2) isprovided in an Excel spreadsheet and you must make a graphical representation of the data to analyze and interpret. This can be a time series graph and/or bar graph/s etc.

 

  1. Youcan use NOAA’s website (see references) and the latitude/longitude that was given to determine where the core is from and when it was collected.

 

  1. You will use data from the Mauna Loa Observatory(excel spreadsheet, link provided) to make a graphical representation of the current available atmospheric CO2 concentrations and will compare it to the past levels found in ice cores.

 

  1. You will then present all your data and interpretations. Make a short PowerPoint (3 – 5) slides presenting and explaining all figures. Answer Questions below.

 

References:

https://www.ncdc.noaa.gov/paleo-search/?dataTypeId=7

https://www.esrl.noaa.gov/gmd/ccgg/trends/data.html

Questions:

 

  1. Where is this ice core data from and when was it collected?

 

 

 

 

  1. What fluctuations did you see in your ice core data?

 

 

 

 

 

 

 

 

 

 

  1. What do you think may have caused the fluctuations in the data?

 

 

 

 

 

 

 

 

 

 

  1. What are the implications on future temperatures based on the current CO2 levels and CO2 levels observed in your ice core data?

 

 

 

 

 

 

 

 

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