Integrated water vapor and temperature profiles at Thule High Arctic Atmospheric Observatory, SOP winter 2018

In the frame of the OASIS-YOPP project measurements of Integrated Water Vapor (IWV) and Temperature Profile (TP) have been carried out at the Thule High Arctic Atmospheric Observatory (THAAO, http://www.thuleatmos-it.it/) for the winter Arctic Special Observing Period of the YOPP (February 1st to Ma...

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Bibliographic Details
Main Author: Pace, Giandomenico
Format: Other/Unknown Material
Language:English
Published: PANGAEA 2018
Subjects:
Atmosphere
OASIS-YOPP
Observations of the Arctic Stratosphere In Support of YOPP
Research station
RS
THAAO
ThuleObservatory
West Greenland
Year of Polar Prediction
YOPP
Danmarkshavn
Greenland
Thule Air
Thule Air Base
Thule
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.893188
https://doi.org/10.1594/PANGAEA.893188
Description
Summary:In the frame of the OASIS-YOPP project measurements of Integrated Water Vapor (IWV) and Temperature Profile (TP) have been carried out at the Thule High Arctic Atmospheric Observatory (THAAO, http://www.thuleatmos-it.it/) for the winter Arctic Special Observing Period of the YOPP (February 1st to March 31st 2018). The Observatory is located at South Mountain at 220 m a.s.l. in proximity of the Thule Air Base (76.5 °N, 68.8° W). IWV and TP are retrieved respectively from the 14 brightness temperatures (BTs) measured by a RPG HATPRO-G2 microwave radiometer (MWR) in the K and the V band (Rose, T., Crewell, S., and Löhnert, U.: A network suitable microwave radiometer for operational monitoring of the cloudy atmosphere, Atmos. Res., 75, 183-200, doi:10.1016/j.atmosres.2004.12.005, 2005). Values of IWV are derived by zenith measurements of BTs sampled at 2 s resolution, while TP are obtained by BTs sampled in the scanning mode with a temporal resolution of 15 minutes. Both the values of IWV and TP are estimated using a statistical multiple linear regression approach (Löhnert and Crewell, 2003) developed using 2250 high resolution radiosounding from Arctic stations (Thule, Eureka, Alert, Edgeminsonde, Danmarkshavn), which provides the regression coefficients to derive the IWV and TP from the measured BTs.

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