About: Predisposition of drought occurrence in selected arid areas of the Czech Republic

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.degruyter.com/view/j/congeo.2013.43.issue-3/congeo-2013-0015/congeo-2013-0015.xml
Description	Predisposition of drought occurrence is based on combined evaluation of above-normal temperatures and below-normal precipitation. According to the weight of the individual categories of extremity, the five degrees of predisposition to drought were determined (degree 1 is the lowest risk, degree 5 is the highest risk). Evaluation of temperature extremity is based on the determination of abnormality in comparison with average value and standard deviation. Individual categories of extremity of precipitation are determined by comparing the individual monthly data with percentile values. Monthly data of homogenized technical series of the Czech Hydrometeorological Institute were evaluated for the years 1961--2010 in two climatologically dry areas (Břeclav and Kladno county in the Czech Republic). Fourty-two months were rated risky in Břeclav county and fourty-four in Kladno county. The evaluation shows an increase of predisposition to drought, especially after 1990. The highest incidence of degree 5 was recorded in 2001 to 2010 in vegetation season. Subsequently the drought variability as a mean variance of years/season and drought severity as a sum of degree of predisposition to drought of years/season were assessed. A gradual increase of variability and severity from 1961--1970 to 2001--2010 is visible. The lowest values of variability (maximum 2) and severity (maximum 3) in both counties were recorded in winter. Predisposition of drought occurrence is based on combined evaluation of above-normal temperatures and below-normal precipitation. According to the weight of the individual categories of extremity, the five degrees of predisposition to drought were determined (degree 1 is the lowest risk, degree 5 is the highest risk). Evaluation of temperature extremity is based on the determination of abnormality in comparison with average value and standard deviation. Individual categories of extremity of precipitation are determined by comparing the individual monthly data with percentile values. Monthly data of homogenized technical series of the Czech Hydrometeorological Institute were evaluated for the years 1961--2010 in two climatologically dry areas (Břeclav and Kladno county in the Czech Republic). Fourty-two months were rated risky in Břeclav county and fourty-four in Kladno county. The evaluation shows an increase of predisposition to drought, especially after 1990. The highest incidence of degree 5 was recorded in 2001 to 2010 in vegetation season. Subsequently the drought variability as a mean variance of years/season and drought severity as a sum of degree of predisposition to drought of years/season were assessed. A gradual increase of variability and severity from 1961--1970 to 2001--2010 is visible. The lowest values of variability (maximum 2) and severity (maximum 3) in both counties were recorded in winter. (en)
Title	Predisposition of drought occurrence in selected arid areas of the Czech Republic Predisposition of drought occurrence in selected arid areas of the Czech Republic (en)
skos:prefLabel	Predisposition of drought occurrence in selected arid areas of the Czech Republic Predisposition of drought occurrence in selected arid areas of the Czech Republic (en)
skos:notation	RIV/62156489:43210/13:00212081!RIV14-MZE-43210___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(QJ1230056)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Středová, Hana Středa, Tomáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Mendelova univerzita v Brně / Agronomická fakulta
http://linked.open...dnocenehoVysledku	98666
http://linked.open...ai/riv/idVysledku	RIV/62156489:43210/13:00212081
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	drought; aridity; air temperature; precipitation; extremity; climatological index (en)
http://linked.open.../riv/klicoveSlovo	extremity air temperature drought precipitation aridity climatological index
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[3E4C750D96AF]
http://linked.open...i/riv/nazevZdroje	Contributions to Geophysics and Geodesy
http://linked.open...in/vavai/riv/obor	DG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	The impact of the expected climate changes on soils of the Czech Republic and the evaluation of their productive functions
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	43
http://linked.open...iv/tvurceVysledku	Rožnovský, Jaroslav Středa, Tomáš Středová, Hana
issn	1335-2806
number of pages	16 (xsd:int)
http://bibframe.org/vocab/doi	10.2478/congeo-2013-0015
http://localhost/t...ganizacniJednotka	43210

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