EDP Sciences Journals List
Home Document
Subscriber Authentication Point
Issue EAS Publications Series
Volume 8, 2003
Astronomy with High Contrast Imaging
Page(s) 17 - 24
DOI 10.1051/eas:2003047

Astronomy with High Contrast Imaging
C. Aime and R. Soummer (eds)
EAS Publications Series, Vol. 8, 2003
DOI: 10.1051/eas:2003047

Detecting the terrestrial vegetation while observing Earth as a single dot

L. Arnold1, S. Gillet1, O. Lardière1, P. Riaud2 and J. Schneider3

1  OHP, CNRS, 04870 Saint-Michel-l'Observatoire, France
2  LISE CNRS 04870 Saint-Michel-l'Observatoire, and LESIA CNRS Observatoire de Paris-Meudon, Place Jules Janssen, 92195 Meudon Cedex, France
3  LUTH CNRS Observatoire de Paris-Meudon, Place Jules Janssen, 92195 Meudon Cedex, France


Abstract
Spectroscopic observations of the Earthshine allowed us to make a relative measurement of the integrated Earth reflectance spectrum in which the terrestrial vegetation signature around $\lambda=700\ $ nm has been detected. Therefore we conclude that the terrestrial vegetation, and thus terrestrial life, can be detected remotely when the Earth is seen as a single dot. We also conclude that vegetation can be detected on an extrasolar Earth-like planet, if a spectral resolution around 50 is available.



© EAS, EDP Sciences 2003


What is OpenURL?

The OpenURL standard is a protocol for transmission of metadata describing the resource that you wish to access. An OpenURL link contains article metadata and directs it to the OpenURL server of your choice. The OpenURL server can provide access to the resource and also offer complementary services (specific search engine, export of references...). The OpenURL link can be generated by different means.
  • If your librarian has set up your subscription with an OpenURL resolver, OpenURL links appear automatically on the abstract pages.
  • You can define your own OpenURL resolver with your EDPS Account. In this case your choice will be given priority over that of your library.
  • You can use an add-on for your browser (Firefox or I.E.) to display OpenURL links on a page (see http://www.openly.com/openurlref/). You should disable this module if you wish to use the OpenURL server that you or your library have defined.