Trace Gases: Stella II Mac and PC
This resource received an Accept or Accept with minor revisions rating from a Panel Peer Review process
These materials were reviewed using face-to-face NSF-style review panel of geoscience and geoscience education experts to review groups of resources addressing a single theme. Panelists wrote reviews that addressed the criteria:
- scientific accuracy and currency
- usability and
- pedagogical effectiveness
- Accept with minor revisions
- Accept with major revisions, or
Following the panel meetings, the conveners wrote summaries of the panel discussion for each resource; these were transmitted to the creator, along with anonymous versions of the reviews. Relatively few resources were accepted as is. In most cases, the majority of the resources were either designated as 1) Reject or 2) Accept with major revisions. Resources were most often rejected for their lack of completeness to be used in a classroom or they contained scientific inaccuracies.
This page first made public: Aug 9, 2006
This material is replicated on a number of sites as part of the SERC Pedagogic Service Project
- Terms: atmospheric life-time, source emission strength, and equilibrium concentration.
- Learn about chemical mass balance of the global atmosphere.
- Understand the relationship between atmospheric life-time, source emission strength, and equilibrium concentration.
- Apply this to CFC concentration changes before and after international policies calling for the phase out of CFC production.
- Calibrate Model to 1958 to 2000 Mauna Loa CO2 observations and then use model to estimate future CO2 concentrations.
Context for Use
Mac Version of Atmospheric Trace Gas Assignment ( 40kB May19 03) is a complete activity archive (*.sit) with Stella Model and MS word activity document.
PC Version of Atmospheric Trace Gas Assignment ( 52kB Jun5 03) is a complete activity archive (*.zip) with Stella Model and MS word activity document. Right click and save it to your disk in *.zip format so it can be unzipped with WinZip. You will need WinZip to unzip these files. An evaluation copy of WinZip is available at WinZip.com .
Teaching Notes and Tips
References and Resources
An updated JAVA version of this activity is available here. It runs best on a PC but has run on Mac OS 10.2.4 with Mozilla browser.