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Summertime Fog Chemistry at a Mountainous Site in Central Europe

Title data

Wrzesinsky, Thomas ; Klemm, Otto:
Summertime Fog Chemistry at a Mountainous Site in Central Europe.
In: Atmospheric Environment. Vol. 34 (2000) Issue 9 . - pp. 1487-1496.
ISSN 1352-2310
DOI: https://doi.org/10.1016/S1352-2310(99)00348-9

Abstract in another language

We present 1997 atmospheric visibility data as an indicator for the presence and density of fog at our ecosystem research site in the Fichtelgebirge mountains, Central Europe. At this location (about 800 m a.s.l.), fog occurred on 50% of the days and added up to a total fog duration of 1160 hours in 1997. Using the visibility as a determining parameter, we developed an automatic system for the collection of fog water, with an automatic sampler, on an event-basis. Our data from the summer 1997 season exhibit large variabilities in the chemical composition of fog. Easterly winds were associated with fog with higher concentrations of the major ions (NH4+, NO3-, SO42-) and metals than westerly winds. Although our H+ concentrations are lower than concentrations measured between 1983 and 1988 in NE Bavaria, it is not clear from our data alone if the negative trend over time is significant. A simple parameterization of fog deposition showed that fog plays an important role in the water balance of our forests. However, more detailed studies are needed to quantify this input, and the input of pollutants and nutrients to the ecosystems through fog deposition.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER7236
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Micrometeorology
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 30 Sep 2015 05:56
Last Modified: 30 Sep 2015 05:56
URI: https://eref.uni-bayreuth.de/id/eprint/19919