National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Time series analysis of precipitations in the selected area
MÁCHA, Vít
Diploma thesis extends my Bachelor´s thesis, which was about methods of time distribution of precipitations and differences in that distribution within a small area. The first part of the paper describes the formation and distribution of precipitation, typical variation of precipitation and some characteristics, revealing and describing the behaviour of rainfall in a given station. Following part describes possible methods of evaluation of time distribution. Statistical methods are presented mainly here. Here described methods and evaluations are subsequently applied in time series of daily precipitations, which has been available for this work for the Jenin creek basin. The analysis is focused on characteristics and evaluation of rainfall between terms 1980 - 1988 and 2005 - 2013. The results show us some differences between terms in rainfall characteristics. However, mostly they are not statistically significant. The work also evaluates differences in rainfall totals between rainfall stations Jenín and Dolní Dvořiště (approximate distance of the stations is 4 km) in 2005 - 2013 term. During the evaluation it comes to differences in rainfall totals. They are highly variable and they don´t have neither constant direction nor size.
Methods of evaluating the seasonal distribution of rainfall and differences in this distribution within a limited area
MÁCHA, Vít
This bachelor thesis is writen as a literature retrieval concerning the temporal distribution of rainfall within a small areas. The formation and classification of rainfall is described, as well as the methods of measurement and the typical course of rainfall in a different time periods. Furthermore, the work deals with the describtion of possible methods for the evaluation of the temporal distribution, especially the statistical methods. Methods inquire into the comparison of rainfall among the raingauge stations and the distribution of rainfall during the time period. Another possible utilization of time sequences of the precipitation amounts is also described in this thesis, namely for the forcast of probable time of repetition of some extreme situations. The methods for the evaluation of trends in time sequence are also described. The final part is devoted to the variety in rainfall distribution during a different time periods (day, month, year) on a relatively small areas.

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