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Pressure-Broadening of the 22.2 GHz Line of Water: Basic Results for Remote Sensing of the Atmosphere

  • Gabriele Cazzoli
  • Cristina Puzzarini
  • Giovanni Buffa
  • Ottavio Tarrini
Conference paper
Part of the NATO Security through Science Series book series

Abstract

For atmospheric purposes, the self- and N2-broadening parameters of the J = 61,6 ← 52,3 (22.2 GHz) rotational transition of water has been investigated in the temperature range 296–338 K. This investigation should be considered of particular interest in monitoring the Earth’s atmosphere because water is a fundamental component and it is well established that the accuracy of collisional broadening parameters has a crucial influence on reduction of remote sensing data. Therefore, a particular effort has been made in order to reduce instrumental as well as systematic errors. Experimental determinations have also been supported by theoretical calculations.

Keywords

pressure broadening pressure shift relaxation rotational transition water 

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Copyright information

© Springer 2006

Authors and Affiliations

  • Gabriele Cazzoli
    • 1
  • Cristina Puzzarini
    • 1
  • Giovanni Buffa
    • 2
  • Ottavio Tarrini
    • 2
  1. 1.Dipartimento di Chimica “G. Ciamician”Università di BolognaBolognaItaly
  2. 2.IPCF-CNR and Dipartimento di Fisica “E. Fermi”Università di PisaPisaItaly

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