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A limited area, off-line, Eulerian atmospheric transport model has been developed. The model is based on a terrain following vertical coordinate and a mass conserving, positive definite advection scheme, with small phase and amplitude errors. The objective has been to develop a flexible, all …

Acidification problems in developing countries are expected to become more prevalent in the coming decades. Assessments of means of abatement strategies are likely to become of vital interest. This paper presents some preliminary results of modelling of acidic deposition due to anthropogenic …

In this study the Swedish Precipitation Chemistry Network has been examined thoroughly, including investigations into the representativeness of stations as well as into possibilities of time trend analysis. A suggestion of a new optimized network design is given.

Using the MATCH modelling system, …

A network of five stations measuring the solar UV-radiation has been operated for about five years. Data are presented as plotted time-series of monthly and yearly values for the sites. A general climatology can be deduced from these data. Daily and hourly maximum values are shown for each month as …

Measurements of solar UV-radiation in a small Swedish network are presented for 1996. This report can be regarded as a supplement to a previous report, Josefsson (1996) where the results of the previous five years were reported, and where details not presented in this small report can be found. The …

The project was initiated by the Swedish Environmental Protection Agency in order to improve the basis for making standards for PM-10 concentrations in urban air. Model development has been made for Norrköping and Gothenburg. Modelling has been necessary of both long-range and local contributions.

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We have been doing precipitation experiments with a numerical weather prediction model. The model has been run with three different horizontal resolutions, 22, 11 and 5 km respectively. The results show that the model is able to forecast reasonable precipitation amounts in a broad sence, but it has …

This report summarises the quality control, quality assurance and measurements of total ozone at Norrköping and Vindeln during the period 1994-1996. To ensure the quality and link the observations closely to the other ozone data participation in intercomparisons and intemational campaigns are …