Astrobiology: Life in the Universe

Astrobiology Science and Technology for Exploring Planets (ASTEP)


  1. Seminar Detail

    Earth System Analysis: Applications to Astrobiology

    Earth System Analysis: Applications to Astrobiology

    Presenter: Siegfried Franck

    April 22, 2008 02:30 PM Pacific

    A general model for the global carbon cycle of the Earth containing the reservoirs mantle, ocean floor, continental crust, biosphere, and the kerogen, as well as the combined ocean and atmosphere reservoir is presented. The model is specified by introducing three different types of biosphere: procaryotes, eucaryotes, and complex multicellular life. We can calculate the co-evolution of the geo- and biosphere from the Archaean to the long-term future. A simplified Earth system model can be used for the investigation of the habitable zone in the solar system and in exoplanetary systems.

    Participation Instructions

    With a Polycom....RSVP to Marco Boldt (Marco.Boldt@nasa.gov) and connect to WebEx as instructed below. If you need Polycom help during the live event, message Marco Boldt in WebEx.

    The slides from the seminar can be accessed real-time using WebEx at:

    https://nasa.webex.com

    Enter the meeting number: 923 930 891 Hit the "join now" button.

    Enter your name or site name (this is not an assigned log-in name, please use your institution name or your first and last name), email and the password: franck123* (case sensitive)

    If you've never joined a WebEx meeting before, please allow an extra 5-10 minutes to install the plug-in.

    Without a Polycom...There are two ways to participate:

    1) You can listen to the seminar on the telephone while viewing the slides in WebEx (see WebEx instructions above). The NASA conference phone number will be displayed when joining the WebEx meeting.

    2) You can watch the Realplayer webcast at: http://vanseg-1.arc.nasa.gov/2008/AB080422-01.ram and view the slides in WebEx (see WebEx instructions above) There is a 30 second delay for the webcast, so you will need to control the slides manually using the arrow buttons in WebEx. Questions for the speaker can be posted in the WebEx chat area to be answered at the end of the talk. Do not try to watch the Realplayer webcast at the same time as the Polycom or the phone.


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