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VCSEL 25Hz Water Vapor Data

Project:

SOCRATES

Summary

This data set contains 25 Hz water vapor mixing ratio data from the VCSEL (Vertical-Cavity Surface-Emitting Laser) hygrometer that was deployed on the NSR/NCAR GV HIAPER aircraft during the SOCRATES (Southern Ocean Clouds Radiation Aerosol Transport Experimental Study) field season.

Data access

ORDER data to made available for download

Additional information

Identifier	DOI: https://doi.org/10.26023/V925-2H41-SD0F
Data Quality	final
Versions	1.0 (2020-05-14) 2.0 (2021-09-07): The main change is to apply a more strict QA/QC that filters out more problematic samples. The mixing ratio values have been rounded up to three significant digits. (Only the current version of the data is available to order. If you have questions about a prior version, please email us.)
Subscribe	Subscribe to receive email when new or updated data is available.
Related projects	SOCRATES: Southern Ocean Clouds Radiation Aerosol Transport Experimental Study
Frequency	< 1 second
Language	English
Categories	Aircraft Upper Air
Platforms	NSF/NCAR GV HIAPER
Instruments	VCSEL - Vertical-Cavity Surface-Emitting Laser
GCMD Science Keywords	HUMIDITY MIXING RATIO WATER VAPOR Expand keywords
Documentation	README_VCSEL_V2_Diao_2021-9-3.pdf [78 KiB] VCSEL_Calibration.pdf [3 MiB]
Related links	info: SOCRATES Data Policy homepage: SOCRATES EOL Homepage info: SOCRATES Missions

Temporal coverage

Begin datetime	2018-01-15 22:54:00
End datetime	2018-02-24 08:38:00

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: -42.50, Minimum (South) Latitude: -62.10
Minimum (West) Longitude: 133.80, Maximum (East) Longitude: 163.10

Primary point of contact information

EOL Data Support <datahelp@eol.ucar.edu>

Additional contact information

author: Minghui Diao <minghui.diao@sjsu.edu>

Citation

Diao, M. 2021. VCSEL 25Hz Water Vapor Data. Version 2.0. null. https://doi.org/10.26023/V925-2H41-SD0F. Accessed 08 Nov 2025.

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