Abstract

Abstract. Germany's national meteorological service (Deutscher Wetterdienst, DWD) is the responsible authority for monitoring climate change in Germany. To fulfill this task it operates the National Climate Data Centre ("Nationales KlimaDatenZentrum, NKDZ"). The historical and current instrumental measurements and visual observations of DWD's station network are archived, quality-controlled and used to provide aggregated products, as for example daily and monthly means or climate normals. Gridded data are generated and used to derive time series of national and regional averages. Phenological observations and radiosonde data are also part of the data base. In recent years, additional historical data have been digitized to expand the data base. The products are used for informing the public, e.g. as an element of the German climate atlas (http://www.deutscher-klimaatlas.de). One major recent activity was the provision of information for the new climatological reference interval 1981–2010 and an updated climatological analysis based on the newly digitized data.

Highlights

  • Climate is the synthesis of weather conditions in a given area, characterized by long-term statistics of the meteorological elements in that area (World Meteorological Organisation, 1992)

  • Ground-based meteorological observations have been performed by National Meteorological and Hydrological Services and their predecessors for more than a century and provide the basis for long-term analysis of regional climate change

  • Based on the values in the data base, a third level of quality control is performed with smaller limits than during the first step

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Summary

Introduction

Climate is the synthesis of weather conditions in a given area, characterized by long-term statistics (mean values, variances, probability of extreme values, etc.) of the meteorological elements in that area (World Meteorological Organisation, 1992). Ground-based meteorological observations have been performed by National Meteorological and Hydrological Services and their predecessors for more than a century and provide the basis for long-term analysis of regional climate change. Over this interval several changes have been applied to the observing systems. Deutscher Wetterdienst (DWD) operates a dense measurement and observation network for Germany. The data from this network is the basis for Germany’s National Climate Data Centre (Nationales KlimaDatenZentrum, NKDZ). Fully automatic weather stations main upper-air stations . Type of station main meteorological watch offices and automatic weather stations, . . . manned around the clock . . . manned part-time . . . fully automatic weather stations main upper-air stations . . . fully automatic stations (auto launcher) . . . integrate ozone soundings stations for measuring radiation . . . with measurements of global radiation . . . with measurements of diffuse illumination . . . with measurements of atmospheric thermal radiation stations measuring radioactivity weather radar sites surface weather stations run by the Bundeswehr Geoinformation Service (as part of the joint network)

The development of the measurement and observation networks in Germany
Quality assurance
Digitisation of historical climate data
Climate analysis
The German climate atlas
Findings
Data access
Full Text
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