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Statements

Subject Item
n2:RIV%2F62156489%3A43210%2F09%3A00145993%21RIV10-MSM-43210___
rdf:type
n17:Vysledek skos:Concept
dcterms:description
We analyze droughts in the Czech Republic from 1881--2006 based on the Palmer drought severity index (PDSI) and the Z-index using averaged national temperature and precipitation series for the calculations. The standardized precipitation index (SPI), PDSI and Z-index series show an increasing tendency towards longer and more intensive dry episodes in which, for example, droughts that occurred in the mid-1930s, late 1940s--early 1950s, late 1980s--early 1990s and early 2000s were the most severe. Cycles at periods of 3.4--3.5, 4.2--4.3, 5.0--5.1 and 15.4 years exceeded 95% confidence levels in application of maximum entropy spectral analysis. These are expressed at different intensities throughout the period studied. The occurrence of extremely dry and severely dry months is associated with a higher frequency of anticyclonic situations according to the classification employed by the Czech Hydrometeorological Institute. Principal component analysis documents the importance of the ridge from the Siberian We analyze droughts in the Czech Republic from 1881--2006 based on the Palmer drought severity index (PDSI) and the Z-index using averaged national temperature and precipitation series for the calculations. The standardized precipitation index (SPI), PDSI and Z-index series show an increasing tendency towards longer and more intensive dry episodes in which, for example, droughts that occurred in the mid-1930s, late 1940s--early 1950s, late 1980s--early 1990s and early 2000s were the most severe. Cycles at periods of 3.4--3.5, 4.2--4.3, 5.0--5.1 and 15.4 years exceeded 95% confidence levels in application of maximum entropy spectral analysis. These are expressed at different intensities throughout the period studied. The occurrence of extremely dry and severely dry months is associated with a higher frequency of anticyclonic situations according to the classification employed by the Czech Hydrometeorological Institute. Principal component analysis documents the importance of the ridge from the Siberian
dcterms:title
Variability of droughts in the Czech Republic, 1881--2006 Variability of droughts in the Czech Republic, 1881--2006
skos:prefLabel
Variability of droughts in the Czech Republic, 1881--2006 Variability of droughts in the Czech Republic, 1881--2006
skos:notation
RIV/62156489:43210/09:00145993!RIV10-MSM-43210___
n4:aktivita
n10:Z n10:P
n4:aktivity
P(GA521/08/1682), Z(MSM0021622412), Z(MSM6215648905)
n4:cisloPeriodika
3-4
n4:dodaniDat
n15:2010
n4:domaciTvurceVysledku
n6:4394372 n6:9619674 n6:5539498
n4:druhVysledku
n14:J
n4:duvernostUdaju
n8:S
n4:entitaPredkladatele
n5:predkladatel
n4:idSjednocenehoVysledku
348452
n4:idVysledku
RIV/62156489:43210/09:00145993
n4:jazykVysledku
n19:eng
n4:klicovaSlova
czech republic; drought
n4:klicoveSlovo
n9:czech%20republic n9:drought
n4:kodStatuVydavatele
AT - Rakouská republika
n4:kontrolniKodProRIV
[C0B3200FE847]
n4:nazevZdroje
Theoretical and Applied Climatology
n4:obor
n18:DG
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
6
n4:projekt
n13:GA521%2F08%2F1682
n4:rokUplatneniVysledku
n15:2009
n4:svazekPeriodika
97
n4:tvurceVysledku
Chroma, K. Brázdil, Rudolf Dobrovolný, Petr Trnka, Miroslav Žalud, Zdeněk Hlavinka, Petr
n4:zamer
n7:MSM6215648905 n7:MSM0021622412
s:issn
0177-798X
s:numberOfPages
19
n16:organizacniJednotka
43210