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83 822 (0,114s)

Výsledek výzkumu

Drought at various timescales for secular lowland climatologically stations in the Czech Republic

In this study we present two multi-scalar drought indices: the Standardized Precipitation Index (SPI) and the Standardized Precipitation-Evapotranspiration Index (SPEI). The SPI ...

DG - Vědy o atmosféře, meteorologie

  • 2011
  • Jx
Výsledek výzkumu

Drought evolution at various time scales in the lowland regions and their impact on vegetable crops in the Czech Republic

Two multi-scalar drought indices, the Standardized Precipitation Index (SPI) and the Standardized Precipitation?Evapotranspiration Index (SPEI), were used to study secular drought evoluti...

DG - Vědy o atmosféře, meteorologie

  • 2012
  • Jx
Výsledek výzkumu

Use of Euro-CORDEX Models for Drought Prediction with Respect to Black Frosts and Rain Deficit during the Cold Season

are calculated and analysed according to the classification of the standardized precipitation evapotranspiration index (SPEI) and the standardized precipitation index (SPI). Estimates of...

Environmental sciences (social aspects to be 5.7)

  • 2017
  • D
Výsledek výzkumu

Use of Euro-CORDEX Models for Drought Prediction with Respect to Black Frosts and Rain Deficit during the Cold Season

are calculated and analysed according to the classification of the standardized precipitation evapotranspiration index (SPEI) and the standardized precipitation index (SPI). Estimates of...

Meteorology and atmospheric sciences

  • 2017
  • O
Výsledek výzkumu

Assessing drought impacts on groundwater and agriculture in Iran using high-resolution precipitation and evapotranspiration products

yield using Standardized Precipitation Index (SPI) and Standardized Precipitation Evapotranspiration Index (SPEI). The impact of drought on groundwater and agricultural yield severity, t...

Environmental sciences (social aspects to be 5.7)

  • 2024
  • Jimp
  • Odkaz
Výsledek výzkumu

Drought episodes in the Czech Republic and their potential effects in agriculture.

of the standardized precipitation index (SPI), percentage of long-term precipitations (r), and on the basis of the Ped drought index (Si)....

DG - Vědy o atmosféře, meteorologie

  • 2010
  • Jx
Výsledek výzkumu

Projection of future drought conditions in Europe and N. America using the relative drought indices and multiple GCMs

. In addition to the 1-month and 12-months Standardized Precipitation Index (SPI) and the Palmer Drought Severity Index (PDSI), the present contribution employs Z index, which characterizes the im...

JU - Aeronautika, aerodynamika, letadla

  • 2007
  • D
Výsledek výzkumu

Spatiotemporal characteristics of drought in Czechia.

determined by three methods: according to the values of Standardized Precipitation Index (SPI), percent of long-terms precipitation (r) and on the basis of aridity index (Si). The Si combined eff...

DG - Vědy o atmosféře, meteorologie

  • 2008
  • Jx
Výsledek výzkumu

Application of Drought Indices to Assess Drought Conditions in Changed Climate

. Of these, the Standardized Precipitation Index (SPI) and the Palmer Drought Severity Index (PDSI) are the most frequent. In addition to SPI (1 to 24 months aggregation) and PDSI, theZ index<...

DG - Vědy o atmosféře, meteorologie

  • 2005
  • D
Výsledek výzkumu

Spatio-Temporal Analysis of Droughts in Semi-Arid Regions by Using Meteorological Drought Indices

Six meteorological drought indices including percent of normal (PN), standardized precipitation index (SPI), China-Z index (CZI), modified CZI (MCZI), Z-Score (Z), the aridity index of E. de Marto...

EH - Ekologie – společenstva

  • 2013
  • Jx
  • Odkaz
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