Search Results - subject:"Meteorological drought"

Drought impacts on water quality and potential implications for agricultural production in the Maipo River Basin, Central Chile

Peña-Guerrero, Mayra Daniela; Nauditt, Alexandra; … - In: Hydrological Sciences Journal 65 (2020) 6, pp. 1005-1021

Droughts can have serious negative impacts on the water quality needed for irrigated agriculture. The Metropolitan region of Chile is a relevant producer of high-value crops and is prone to droughts. Standardized Drought Indices were used to characterize meteorological and hydrological droughts...

Persistent link: https://www.econbiz.de/10012290060

Copula-based risk assessment of drought in Yunnan province, China

Zhang, Dong-Dong; Yan, Deng-Hua; Lu, Fan; Wang, Yi-Cheng; … - In: Natural Hazards 75 (2015) 3, pp. 2199-2220

meteorological drought for Yunnan province is provided in this study. Based on the daily meteorological data of 29 stations during … 1960–2010, duration and severity as two major drought characteristics, defined by the runs and the composite meteorological … drought index, are abstracted from the observed drought events. Three bivariate Archimedean copulas are employed to construct …

Persistent link: https://www.econbiz.de/10011151654

Spatiotemporal variation of meteorological droughts based on the daily comprehensive drought index in the Haihe River basin, China

He, Jun; Yang, Xiao-Hua; Li, Jian-Qiang; Jin, Ju-Liang; … - In: Natural Hazards 75 (2015) 2, pp. 199-217

drought processes at each station were confirmed, and the severity, duration and frequency of each meteorological drought …

Persistent link: https://www.econbiz.de/10011151537

Spatio-temporal characteristics of precipitation and drought in Balochistan Province, Pakistan

Ashraf, Muhammad; Routray, Jayant - In: Natural Hazards 77 (2015) 1, pp. 229-254

In this paper, spatial and temporal variability of drought in Balochistan has been investigated using 36 years (1975–2010) of monthly precipitation data recorded at 23 rain gauge stations in the study area. In order to detect and understand precipitation trend on drought severity,...

Persistent link: https://www.econbiz.de/10011241068

Evaluation of drought and wetness episodes in a cold region (Northeast China) since 1898 with different drought indices

Li, Binquan; Liang, Zhongmin; Yu, Zhongbo; Acharya, Kumud - In: Natural Hazards 71 (2014) 3, pp. 2063-2085

–2012 using meteorological drought indices and for the period of 1898–2010 using hydrological drought indices. There were three …

Persistent link: https://www.econbiz.de/10010846905

Assessment of drought frequency, duration, and severity and its impact on pasture production in Mongolia

Nandintsetseg, Banzragch; Shinoda, Masato - In: Natural Hazards 66 (2013) 2, pp. 995-1008

-month timescale. Generally, 35–37 (15–16 %) by SPI for meteorological drought while 27–29 (12–13 %) by W <Subscript …

Persistent link: https://www.econbiz.de/10010996221

Factors Influencing Markov Chains Predictability Characteristics, Utilizing SPI, RDI, EDI and SPEI Drought Indices in Different Climatic Zones

Banimahd, Seyed; Khalili, Davar - In: Water Resources Management 27 (2013) 11, pp. 3911-3928

Comparability analyses were carried out to investigate behavioural aspects of effective drought index (EDI), standardized precipitation index (SPI), reconnaissance drought index (RDI) and standardized precipitation evapotranspiration index (SPEI), considering 3-month, 6-month and annual time...

Persistent link: https://www.econbiz.de/10010847258

Analysis of drought hazards in North China: distribution and interpretation

Chen, Zhenghong; Yang, Guifang - In: Natural Hazards 65 (2013) 1, pp. 279-294

-anthropogenic variations in China, with specific attention given to the meteorological drought hazards occurring at very high frequency and … temporal distribution of meteorological drought hazards in this region is considered to be a function of climatic, topographic … dynasties, the meteorological drought hazard is one of the key issues for long-term social–economic harmonization. This study …

Persistent link: https://www.econbiz.de/10010759097

Computation of Drought Index SPI with Alternative Distribution Functions

Angelidis, Panagiotis; Maris, Fotios; Kotsovinos, Nikos; … - In: Water Resources Management 26 (2012) 9, pp. 2453-2473

The Standardized Precipitation Index (SPI) is widely used as drought meteorological index, to identify the duration and/or severity of a drought. The SPI is usually computed by fitting the gamma probability distribution to the observed precipitation data. In this work, the possibility to...

Persistent link: https://www.econbiz.de/10010997536

A Water Balance Derived Drought Index for Pinios River Basin, Greece

Vasiliades, Lampros; Loukas, Athanasios; Liberis, Nikos - In: Water Resources Management 25 (2011) 4, pp. 1087-1101

selection of an appropriate meteorological drought index for operational hydrological drought monitoring. Hence, SPI at 3- and 6 …

Persistent link: https://www.econbiz.de/10010794205