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The ELHYSA instrument
(before October 2005)
Overview
ELHYSA is a frost point hygrometer built by the LMD (Laboratoire de Météorologie Dynamique) which has been operating since 1987 taking in situ measurements of the water vapour content of the Earths atmosphere. There are three versions: one model carried by open stratospheric balloons (BSO), a second for infrared Montgolfier balloons (MIR) and a model embarked by planes. This instrument acquires real-time water vapour profiles from the upper troposphere and the lower stratosphere. ELHYSA has contributed to the validation campaigns for both ENVISAT and BALODIN.
Product information
The ELHYSA data are level 2 vertical profiles provided by LMD.
Data available from Ether
The available data are entitled : ELHYSA_BSO, ELHYSA_MIR.
The access to the data is open. For publication and acknowledgments, please contact the PI (F. Vial).
To obtain information and data after September 2005, please click on ELHYSA2 experiment.
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