Scientific Results

An intercomparison of precipitable water vapor measurements obtained during the ecowar field campaign

Year: 2009

Authors: Fiorucci I., Muscari G., Bianchi C., Girolamo P.D., Esposito F., Grieco G., Summa D., Bianchini G., Palchetti L., Cacciani M., Iorio T.D., Pavese G., Cimini D., Zafrah R.L.D.

Autors Affiliation: Istituto Nazionale di Geofísica e Vulcanologia, Roma, Italy; Dipartimento di Física, Universita di Bologna, Bologna, Italy; Dipartimento di Ingegneria e Física dell\’Ambiente, Universita délia Basilicata, Potenza, Italy; Istituto di Fisica Applicata Nello Carrara, IFAC-CNR, Sesto Florentino, Firenze, Italy; Dipartimento di Fisica, Universita di Roma La Sapienza, Roma, Italy; Istituto di Metodologie per l \’Analisi Ambientale, IMAA-CNR, Tito Scalo, Potenza, Italy; CETEMPS, Dipartimento di Fisica, Universita di L \’Aquila, L \’Aquila, Italy; Department of Physics and Astronomy, Institute for Terrestrial and Planetary Atmospheres, State University of New York, Stony Brook, United States

Abstract: In this study we present an intercomparison of measurements of very low water vapor column content obtained with a Ground-Based Millimeter-wave Spectrometer (GBMS), Vaisala RS92k radiosondes, a Raman Lidar, and an IR Fourier Transform Spectrometer. These sets of measurements were carried out during the primary field campaign of the ECOWAR (Earth COoling by WAter vapor Radiation) project which took place on the Western Italian Alps from 3 to 16 March, 2007.

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More Information: This research was carried out with a grant from MIUR PRIN 2005, project # 2005025202/Area 02 and funding from NASA grant NAG 513029. We are indebted to the Istituto di Fisica dello Spazio Interplanetario (INAF/IFSI), the Centro Nationale di Meteorologia e Climatologia Aeronautica (CNMA) and the town of Valtournenche (Breuil-Cervinia) for logistic support at the two field sites of Plateau Rosa and Cervinia.
KeyWords: Ecowar; Ir and millimeter-wave spectroscopy; Precipitable water vapor

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