By Artur Pawlowski
Environmental engineering has a number one position within the removing of ecological threats, and offers, briefly, with securing technically the stipulations which create a secure atmosphere for mankind to dwell in. because of its interdisciplinary personality it may care for a variety of technical and technological difficulties. on the grounds that environmental engineering makes use of the data of the fundamental sciences - biology, chemistry, biochemistry and physics - it may neutralise toxins in all of the components of our surroundings, i.e. the hydrosphere, surroundings and lithosphere. in addition, environmental engineering de. Read more...
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Extra info for Environmental Engineering IV
2006. Methods of maximum discharge calculations in small river catchments (with examples). Projprzem-EKO, Bydgoszcz (in Polish). CONCLUSION The solution to the problem of obtaining the reliable data about the precipitation amounts, used to designing and modelling of the drainage areas in Wrocław conditions, is the maximum precipitation model (1), with the wide range of application t ∈ [5; 4320] min and C ∈ [1; 100] years. , 2009. Are extreme rainfall intensities more frequent? Analysis of trends in rainfall patterns relevant to urban drainage systems.
Figure 10. CONCLUSIONS The multivariate analysis method can be a helpful tool in making the ranking of the level of infrastructure development in different regions of the country. It is worth emphasizing the similarity between the results of grouping made by the classical methods and the differences in the results obtained using the SOM. The methods differ in the assumptions, conditions of using and presentation of results and therefore they should be used complementarily. The determination of the synthetic indicator allowed for an initial indication of the hierarchy of analysed regions.
The graphical interpretation of empirical (resulting from measurements) and theoretical (resulting hmax (t,C C ) 3 6 l (t + . + 9.. 942 (7) Figure 2. Theoretical cumulative distribution functions for the distribution of Fisher-Tippett type IIImin. Table 3. The calculation results of parameter values λ, α and ε. 9 Figure 3. Variability of empirical coefficient ε as a function of time t. indb 17 4/13/2013 2:27:46 PM The family of DDF (Depth-Duration Frequency) type curves for model (7) for C ∈ [1; 50] years and t ∈ [5; 180] min was shown in Figure 5.