Temperature in Medium Low-exchange Nocturnal Radiation Periods 2000
Map 04.04.4 Measuring Routes and Measuring Stations
In this map part all measuring routes and climate stations are contained which were used for the climate maps in the Environmental Atlas as a Statistical Base. That means beside the current measuring routes, those routes driven in West Berlin in the years 1981-83 are also contained. For reasons of clarity only the smaller auxiliary routes have been omitted.
The air temperature and the humidity at an elevation of 2 m and the wind speed and wind direction at elevations of 2.70 m and 6.70 m were measured using of the TU Berlin Department of Bioclimatology mobile monitoring vehicle.
The operating period of the stations was not uniform. In the eastern part of the city measurements were taken from June 1991 to May 1992. The data at Alexanderplatz and at Ostkreuz was provided by the Berlin weather bureau of the Deutscher Wetterdienst. In the western part of Berlin, most measurements were taken between 1981 to 1983. However in order to make comparisons with the data from 1991/92 some stations in the western part were reactivated and/or installed anew. For the research in 1999 the data from 13 climate stations of the TU Measurement Network as well as the Weather Map of the Free University of Berlin were analyzed; three additional stations were built as part of the investigation program.
Map 04.04.1 Distribution of Air Temperature
The temperature differences within the city boundaries are much higher in nocturnal radiation periods than the long-term means (cf. Map 04.02, SenStadtUm 2000a). Since one is concerned with a selection of certain weather conditions the temperature levels cannot be carried over for the entire year. However it can be assumed that the spatial distribution of the isotherms is comparatively representative.
The most overwarmed areas with mean temperatures over 19 °C are to be found where the development is densest, above all in Charlottenburg, Mitte, Kreuzberg, Schöneberg and the northern part of Wilmersdorf.
However the warmest areas are not necessarily to be seen as distinct as they appear from the density of development. So in heavily built-up Moabit, but also in Friedrichshain and Prenzlauer Berg the temperature lies under 19 °C. Temperatures over the 18 °C characterize the area within the city rail circle line, but also Spandau, Tegel, the old town of Köpenick and the high-rise developments Märkisches Viertel and Gropiusstadt. The comparably lower temperatures in the large settlements of Marzahn and Hellersdorf can be explained by the large open spaces in the neighborhood.
Clearly green spaces and allotment gardens are distinguished from the inner city by temperatures under 17 °C, while larger open spaces near the outskirts (e.g. parts of the Königsheide and the adjacent allotment gardens) record values of under 16 °C display. The large bodies of water lie in the area between 16 and 17 °C.
Forest areas are distinguished generally by temperatures under 15 and/or 16 °C. Low lain forest glades like Saubucht and Teufelsfenn even lie under 14 °C. Parts of the Krummendammer Heath northeast of the Greater Müggelsee Lake are especially cool with values around 13 °C.
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Temperature and Moisture Conditions
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