A review of drought indices
Drought is a stochastic natural hazard that is instigated by intense and persistent shortage of
precipitation. Following an initial meteorological phenomenon, subsequent impacts are …
precipitation. Following an initial meteorological phenomenon, subsequent impacts are …
Drought indices and indicators revisited
There are numerous drought indicators used by decision makers all around the globe which
have been developed to fulfill specific needs. By far, risks associated with drought and …
have been developed to fulfill specific needs. By far, risks associated with drought and …
Wavelet based hybrid ANN-ARIMA models for meteorological drought forecasting
Drought prediction is an important subject, particularly in drought-hydrology, and has a key
role in risk management, drought readiness and alleviation. Hydrological time series data …
role in risk management, drought readiness and alleviation. Hydrological time series data …
[PDF][PDF] World drought frequency, duration, and severity for 1951–2010
In the context of climate change characterized by rising temperature and more extreme
precipitation regimes, drought is one of the most relevant natural disasters. This paper …
precipitation regimes, drought is one of the most relevant natural disasters. This paper …
Long-term SPI drought forecasting in the Awash River Basin in Ethiopia using wavelet neural network and wavelet support vector regression models
Long-term drought forecasts can provide valuable information to help mitigate some of the
consequences of drought. Data driven models are suitable forecast tools due to their …
consequences of drought. Data driven models are suitable forecast tools due to their …
DrinC: a software for drought analysis based on drought indices
Drought is a complex phenomenon which can be characterised mainly by its severity,
duration and areal extent. Among these three dimensions, drought severity is the key factor …
duration and areal extent. Among these three dimensions, drought severity is the key factor …
[HTML][HTML] Comparison of drought indices for appraisal of drought characteristics in the Ken River Basin
Drought indices are used to monitor drought conditions of a region. Various drought indices
(DIs) have been proposed in past few decades, but some of those are region specific and …
(DIs) have been proposed in past few decades, but some of those are region specific and …
Assessment of hydrological drought revisited
I Nalbantis, G Tsakiris - Water resources management, 2009 - Springer
A variety of indices for characterising hydrological drought have been devised which, in
general, are data demanding and computationally intensive. On the contrary, for …
general, are data demanding and computationally intensive. On the contrary, for …
[PDF][PDF] Establishing a drought index incorporating evapotranspiration
G Tsakiris, H Vangelis - European water, 2005 - danida.vnu.edu.vn
A new general drought index is proposed for the assessment of meteorological drought
severity. The new index called Reconnaissance Drought Index, RDI, is based on cumulative …
severity. The new index called Reconnaissance Drought Index, RDI, is based on cumulative …
Fitting drought duration and severity with two-dimensional copulas
JT Shiau - Water resources management, 2006 - Springer
This study aims to model the joint drought duration and severity distribution using two-
dimensional copulas. The method of inference function for margins (IFM method) is …
dimensional copulas. The method of inference function for margins (IFM method) is …