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Maturilli, Marion; Herber, Andreas (2017): Ceilometer cloud base height from station Ny-Ålesund from August 1992 to July 2017, reference list of 290 datasets. PANGAEA,, Supplement to: Maturilli, Marion; Ebell, Kerstin (2018): Twenty-five years of cloud base height measurements by ceilometer in Ny-Ålesund, Svalbard. Earth System Science Data, 10(3), 1451-1456,

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Clouds are a key factor for the Arctic amplification of global warming, but their actual appearance and distribution are still afflicted by large uncertainty. On the Arctic-wide scale, large discrepancies are found between the various reanalyses and satellite products, respectively. Although ground-based observations by remote sensing are limited to point measurements, they have the advantage of obtaining extended time series of vertically resolved cloud properties. Here, we present a 25-year data record of cloud base height measured by ceilometer at the Ny-Ålesund, Svalbard, Arctic site. We explain the composition of the three sub-periods with different instrumentation contributing to the data set, and show examples of potential application areas. Linked to cyclonic activity, the cloud base height provides essential information for the interpretation of the surface radiation balance and contributes to the understanding of meteorological processes. Furthermore, it is a useful auxiliary component for the analysis of advanced technologies that provide insight into cloud microphysical properties, like the cloud radar. The long-term time series also allows derivation of an annual cycle of the cloud occurrence frequency, revealing the more frequent cloud cover in summer and the lowest cloud cover amount in April. However, as the use of different ceilometer instruments over the years potentially imposed inhomogeneities onto the data record, any long-term trend analysis should be avoided.
Latitude: 78.925000 * Longitude: 11.930000
Date/Time Start: 1992-08-01T00:00:00 * Date/Time End: 1992-08-01T00:00:00
Minimum Elevation: 11.0 m * Maximum Elevation: 11.0 m
NYA (Ny-Ålesund) * Latitude: 78.925000 * Longitude: 11.930000 * Date/Time: 1992-08-01T00:00:00 * Elevation: 11.0 m * Location: Ny-Ålesund, Spitsbergen * Campaign: WCRP/GEWEX * Method/Device: Monitoring station (MONS) * Comment: BSRN station no: 11; Surface type: tundra; Topography type: mountain valley, rural; Horizon: doi:10.1594/PANGAEA.669522; Station scientist:
This dataset was updated on 2018-04-05: seven more datasets from 2017-01 to 2017-07 were added and the title was adapted accordingly.
As the measurements are continuing, additional data after July 2017 can be found with the search term "Expanded measurements from station Ny-Ålesund" at the PANGAEA repository.
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Author(s)Author(s)Maturilli, Marion
2Year of publicationYearMaturilli, Marion
3TitleTitleMaturilli, Marion
4Persistent IdentifierPersistent IdentifierMaturilli, Marion
1160 data points

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