Continuous meteorological observations at station Ny-Ålesund, 1993-08 to 2011-07

Abstract:
A consistent meteorological dataset of the Arctic site Ny-Ålesund (11.9°E, 78.9°N) spanning the 18-year-period 1 August 1993 to 31 July 2011 is presented. Instrumentation and data handling of temperature, humidity, wind and pressure measurements are described in detail. Monthly mean values are shown for all years to illustrate the interannual variablity of the different parameter. Climatological mean values are given for temperature, humidity and pressure. From the climatological dataset, we also present the time series of annual mean temperature and humidity, revealing a temperature increase of +1.35 K per decade and an increase in water vapor mixing ratio of +0.22 g/kg per decade for the given time period, respectively. With the continuation of the presented measurements, the Ny-Ålesund high resolution time series will provide a reliable source to monitor Arctic change and retrieve trends in the future. The relevant data are provided in high temporal resolution as averages over 5 [1] minutes before [after] 14 July 1998, respectively, placed on the PANGAEA repository (doi:10.1594/PANGAEA.793046). While synoptic observations by the Norwegian Meteorological Institute reach back to 1935 (Førland et al., 2011), the meteorological data presented here cover a shorter time period, but their high temporal resolution will be of value for atmospheric process studies on shorter time scales.

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      • Continuous meteorological observations at station Ny-Ålesund, 1993-08 to 2011-07
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      • Supplement to: Maturilli, Marion; Herber, Andreas; König-Langlo, Gert (2012): Climatology and Time Series of Surface Meteorology in Ny-Ålesund, Svalbard. Earth System Science Data, submitted
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