Relevant bibliographies by topics / Standardised Precipitation Evapotranspiration Index (SPEI)

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Standardised Precipitation Evapotranspiration Index (SPEI)'

Author: Grafiati
Published: 5 June 2025
Last updated: 15 July 2025

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Journal articles on the topic "Standardised Precipitation Evapotranspiration Index (SPEI)"

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He, Liupeng, Liang Tong, Zhaoqiang Zhou, et al. "A Drought Index: The Standardized Precipitation Evapotranspiration Irrigation Index." Water 14, no. 13 (2022): 2133. http://dx.doi.org/10.3390/w14132133.

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Drought has had an increasingly serious impact on humans with global climate change. The drought index is an important indicator used to understand and assess different types of droughts. At present, many drought indexes do not sufficiently consider human activity factors. This study presents a modified drought index and the standardized precipitation evapotranspiration irrigation index (SPEII), considering the human activity of irrigation that is based on the theory of the standardized precipitation evapotranspiration index (SPEI). This study aims to compare the modified drought index (SPEII)
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Tirivarombo, S., D. Osupile, and P. Eliasson. "Drought monitoring and analysis: Standardised Precipitation Evapotranspiration Index (SPEI) and Standardised Precipitation Index (SPI)." Physics and Chemistry of the Earth, Parts A/B/C 106 (August 2018): 1–10. http://dx.doi.org/10.1016/j.pce.2018.07.001.

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Isia, Ismallianto, Tony Hadibarata, Muhammad Noor Hazwan Jusoh, et al. "Drought Analysis Based on Standardized Precipitation Evapotranspiration Index and Standardized Precipitation Index in Sarawak, Malaysia." Sustainability 15, no. 1 (2022): 734. http://dx.doi.org/10.3390/su15010734.

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Drought analysis via the Standardized Precipitation Index (SPI) and the Standardized Precipitation Evapotranspiration Index (SPEI) is necessary for effective water resource management in Sarawak, Malaysia. Rainfall is the best indicator of a drought, but the temperature is also significant because it controls evaporation and condensation. This study examined drought periods in the state of Sarawak using the SPI and SPEI based on monthly precipitation and temperature data from thirty-three rainfall stations during a forty-year period (1981–2020). This analysis of drought conditions revealed tha
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Paulo, A. A., R. D. Rosa, and L. S. Pereira. "Climate trends and behaviour of drought indices based on precipitation and evapotranspiration in Portugal." Natural Hazards and Earth System Sciences 12, no. 5 (2012): 1481–91. http://dx.doi.org/10.5194/nhess-12-1481-2012.

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Abstract. Distinction between drought and aridity is crucial to understand water scarcity processes. Drought indices are used for drought identification and drought severity characterisation. The Standardised Precipitation Index (SPI) and the Palmer Drought Severity Index (PDSI) are the most known drought indices. In this study, they are compared with the modified PDSI for Mediterranean conditions (MedPDSI) and the Standardised Precipitation Evapotranspiration Index (SPEI). MedPDSI results from the soil water balance of an olive crop, thus real evapotranspiration is considered, while SPEI uses
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Pavlova, Anna Illarionovna. "Estimation of meteorological drought based on a Standardized Precipitation Evapotranspiration Index." Agrarian Bulletin of the 24, no. 05 (2024): 605–16. http://dx.doi.org/10.32417/1997-4868-2024-24-05-605-616.

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Abstract. Various climatic indices are used to monitor meteorological drought, among which the best known are the standardized precipitation index and the standardized precipitation evapotranspiration index (SPEI). The purpose of the research is to assess the conditions of moisture content of the growing season of grain crops in agrolandscapes of the Novosibirsk region on the basis of standardised precipitation and evapotranspiration index. Methods. Methods of big data processing, statistical analysis were used in the study. The scientific novelty consists in assessing the humidity and intensi
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Yimer, Estifanos Addisu, Bert Van Schaeybroeck, Hans Van de Vyver, and Ann van Griensven. "Evaluating Probability Distribution Functions for the Standardized Precipitation Evapotranspiration Index over Ethiopia." Atmosphere 13, no. 3 (2022): 364. http://dx.doi.org/10.3390/atmos13030364.

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Drought indices are used to identify and monitor drought events. The standardized precipitation evapotranspiration index (SPEI) is a widely used index based on accumulated water balance. There is, however, no broad consensus on which probability distribution is the most appropriate for water balances. This issue is investigated for Ethiopia using 125 meteorological stations spread across the country. Based on long-term series, a selection was made among the generalized extreme value, Pearson type 3, and generalized logistics (Genlog) distributions. Additionally, the effect of using actual, ins
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Vicente-Serrano, Sergio M., Santiago Beguería, and Juan I. López-Moreno. "A Multiscalar Drought Index Sensitive to Global Warming: The Standardized Precipitation Evapotranspiration Index." Journal of Climate 23, no. 7 (2010): 1696–718. http://dx.doi.org/10.1175/2009jcli2909.1.

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Abstract The authors propose a new climatic drought index: the standardized precipitation evapotranspiration index (SPEI). The SPEI is based on precipitation and temperature data, and it has the advantage of combining multiscalar character with the capacity to include the effects of temperature variability on drought assessment. The procedure to calculate the index is detailed and involves a climatic water balance, the accumulation of deficit/surplus at different time scales, and adjustment to a log-logistic probability distribution. Mathematically, the SPEI is similar to the standardized prec
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Zhao, Qingzhi, Xiongwei Ma, Wanqiang Yao, Yang Liu, and Yibin Yao. "A Drought Monitoring Method Based on Precipitable Water Vapor and Precipitation." Journal of Climate 33, no. 24 (2020): 10727–41. http://dx.doi.org/10.1175/jcli-d-19-0971.1.

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AbstractPrecipitable water vapor (PWV) with high precision and high temporal resolution can be obtained based on the global navigation and satellite positioning system (GNSS) technique, which is important for GNSS in disaster prevention and mitigation. However, related studies on drought monitoring using PWV have rarely been performed before, which becomes the focus of this paper. This paper proposes a novel drought monitoring method using GNSS-derived PWV and precipitation, and a multi-time-scale standardized precipitation conversion index (SPCI) is established. This index is different from t
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Ariyanto, Dwi Priyo, Abdul Aziz, Komariah Komariah, Sumani Sumani, and Magarsa Abara. "Comparing the accuracy of estimating soil moisture using the Standardized Precipitation Index (SPI) and the Standardized Precipitation Evapotranspiration Index (SPEI)." SAINS TANAH - Journal of Soil Science and Agroclimatology 17, no. 1 (2020): 23. http://dx.doi.org/10.20961/stjssa.v17i1.41396.

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<span>The Standardized Precipitation Index (SPI) and the Standardized Precipitation Evapotranspiration Index (SPEI) are used to monitor and identify different types of drought, including meteorological, hydrological, and agricultural droughts. This study evaluates the accuracy of estimating soil moisture levels using the two indexes. The analysis correlated the SPI and the SPEI over three years (November 2016–October 2019) using <em>Rstudio</em>, with average monthly soil moisture taken using a Soil Moisture Sensor; 3-, 6- and 12-months SPI and SPEI showed a positive correlat
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Utami, Siti Najma Nindya, Rista Hernandi Virgianto, and Dzikrullah Akbar. "ANALISIS KETERKAITAN ANTARA KEKERINGAN METEOROLOGIS DENGAN INDEKS VEGETASI TERSTANDARISASI DI PULAU LOMBOK." Jurnal Sains & Teknologi Modifikasi Cuaca 22, no. 2 (2021): 41–49. http://dx.doi.org/10.29122/jstmc.v22i2.4437.

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Intisari Kekeringan merupakan bencana kompleks yang dapat menyebabkan kerugian masyarakat di berbagai sektor. Salah satu wilayah yang berisiko tinggi mengalami kekeringan adalah Pulau Lombok. Wilayah ini memiliki lahan yang berisiko terkena kekeringan seluas 405.985 ha. Tingkat keparahan kekeringan meteorologis dapat diukur dengan Standardized Precipitation Evapotranspiration Index (SPEI). Salah satu karakteristik kekeringan adalah kondisi vegetasi tanaman yang buruk, oleh karena itu Standardized Vegetation Index (SVI) digunakan sebagai acuan dalam monitoring kekeringan agrikultural. Penelitia
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Dissertations / Theses on the topic "Standardised Precipitation Evapotranspiration Index (SPEI)"

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Edossa, D. C., Y. E. Woyessa, and W. A. Welderufael. "Comparison between two meteorological drought indices in the central region of South Africa." Interim : Interdisciplinary Journal, Vol 13, Issue 3: Central University of Technology Free State Bloemfontein, 2013. http://hdl.handle.net/11462/309.

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Published Article<br>The objective of this study was to characterize meteorological droughts in the Central Region of South Africa, Modder River Basin, C52A quaternary catchment using two popular drought indices: Standardized Precipitation Index (SPI) and Standardized Precipitation-Evapotranspiration Index (SPEI) and to compare the two indices. Drought events were characterized based on their frequency, duration, magnitude and intensity. The indices were computed for the time-scales that are important for planning and management of water resources, i.e. 3-, 6- and 12-month time-scales. The bas
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Patil, Sandeep 1986. "Analysis of Spatial Performance of Meteorological Drought Indices." Thesis, 2012. http://hdl.handle.net/1969.1/148327.

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Meteorological drought indices are commonly calculated from climatic stations that have long-term historical data and then converted to a regular grid using spatial interpolation methods. The gridded drought indices are mapped to aid decision making by policy makers and the general public. This study analyzes the spatial performance of interpolation methods for meteorological drought indices in the United States based on data from the Co-operative Observer Network (COOP) and United States Historical Climatology Network (USHCN) for different months, climatic regions and years. An error analysis
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Book chapters on the topic "Standardised Precipitation Evapotranspiration Index (SPEI)"

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Arana Ruedas, Del Piero Raphael. "Proposed Study Design for Spatio-Temporal Drought Assessment Using Standardized Precipitation Evapotranspiration Index (SPEI) and Adaptation Over Mantaro Valley, Peru." In Cities and Nature. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-50365-8_20.

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Boulariah, Ouafik, and Antonia Longobardi. "Assessing the Relationship Between the Standardized Precipitation Evapotranspiration Index (SPEI) and the Normalized Difference Vegetation Index (NDVI) During 1985–2020 in a Mediterranean Area." In Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (4th Edition). Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-51904-8_192.

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Chelcea, Silvia, Monica Ionita, and Mary-Jeanne Adler. "Identification of Dry Periods in the Dobrogea Region." In Civil and Environmental Engineering. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9619-8.ch012.

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The main objective of this study is to identify different types of drought (moderate, severe and extreme) in the Dobrogea region based on three indicators: the Standardized Precipitation Index (SPI), the Standardized Precipitation and Evapotranspiration Index (SPEI) and the Standardized Flow Index (SFI). The dry periods, from a meteorological point of view, were identified based on a drought index that takes into account only precipitation (SPI) and another one that takes into account both precipitation as well as mean air temperature (SPEI). To highlight the dry periods from a hydrological point of view we applied the procedure for calculating the SPI to monthly discharge time series, through the Standardized Flow Index (SFI).
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I. Mathivha, Fhumulani, and Selelo Matimolane. "Comparative Assessment of Standardised Indices for Monitoring Drought in North-Eastern South Africa." In Ecosystem Restoration - Practices and Applications [Working Title]. IntechOpen, 2025. https://doi.org/10.5772/intechopen.1009745.

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Drought assessment provides critical data for mitigating drought risk and reducing community vulnerability, particularly in semi-arid regions like north-eastern South Africa. The South African Weather Service (SAWS) primarily uses the Standardised Precipitation Index (SPI) to monitor drought impacts on agriculture and water resources. However, SPI relies solely on rainfall data, neglecting key variables such as evapotranspiration, which plays a significant role in drought development. This study evaluates and compares the effectiveness of SPI, the Standardised Streamflow Index (SSI), and the Standardised Precipitation Evaporation Index (SPEI) in assessing drought conditions in the Luvuvhu River Catchment (LRC). Rainfall and temperature data were obtained from SAWS, while streamflow records were sourced from the Department of Water and Sanitation. The non-parametric Mann-Kendall trend test was applied for drought trends analyses across 1-, 6-, and 12-month timescales. Results indicate that mild droughts were prevalent in the study area shown by all indices at all timescales, while extreme drought events were less frequent but more pronounced events at longer timescales. The evaluation criteria further revealed SPEI as the most suitable index for drought monitoring in the LRC due to its ability to account for both rainfall and evapotranspiration, providing a more comprehensive assessment of drought conditions. These findings showcased the increasing frequency and severity of droughts in the region, emphasising the need for improved drought monitoring, early warning systems, and adaptive water resource management strategies to mitigate future drought impacts.
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Conference papers on the topic "Standardised Precipitation Evapotranspiration Index (SPEI)"

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Nikolova, Nina, Simeon Matev, Neli Hristova, and Kalina Radeva. "HYDROMETEOROLOGICAL DROUGHT IMPACT ON CEREAL PRODUCTION IN NORTHERN BULGARIA." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/3.1/s12.15.

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On the background of regional climate changes, an increase in the frequency and intensity of extreme droughts has been observed in many regions of Europe in recent years, and this trend is expected to continue in the future. While common in southern Europe, including Bulgaria, drought can adversely affect human life and economic activities. Extreme droughts lead to water scarcity, restricting the availability of irrigation water for agricultural purposes. In the regions where irrigation is vital for sustaining crop production, diminished water availability can result in crop failures and econo
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Slavková, Jaroslava. "Comparison of SPEI drought indexes with three different statistical distributions based on data from Slovakia." In První konference PERUN. Český hydrometeorologický ústav, 2023. http://dx.doi.org/10.59984/978-80-7653-063-8.26.

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The Standardized Precipitation Evapotranspiration Index (SPEI) is among the most commonly used indicators for assessing meteorological drought. SPEI represents the normalized value of the water balance D (where D = precipitation − evapotranspiration) for a specific station and time period. Normalization is carried out based on the statistical distribution of D calculated for a chosen reference period (typically recommended to be 30 years or longer). The calculation process of SPEI lacks a strict definition, allowing certain parameters to be user-dependent. For example, the user can determine t
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TRIFAN, Tudor, and Vera POTOPOVÁ. "2022 drought in the Danube river basin." In "Mediul şi dezvoltarea durabilă", conferinţă ştiinţifică naţională cu participare internaţională. Ion Creangă Pedagogical State University, 2024. https://doi.org/10.46727/cg.17-18-05-2024.p79-90.

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This summary presents a case study of drought conditions in the Danube River Basin, Czech Republic and Republic of Moldova in the period March - August 2022. The study uses remote sensing and climate indices to assess drought evolution. SPEI (Standardized Precipitation Evapotranspiration Index) calibrated at 3 and 12 weeks, this standardized drought severity index captures both short-term and long-term drought events. SWI (Soil Water Index) at depths of 40 and 100 centimeters, it indicates soil moisture conditions, providing information on water availability for plants. ESI (Evaporative Stress
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Bickovskis, Karlis, Aris Jansons, Diana Jansone, and Roberts Matisons. "Meteorological sensitivity of tree-ring width of Scots pine and Norway spruce in drained stand." In 24th International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering and Information Technologies, 2025. https://doi.org/10.22616/erdev.2025.24.tf237.

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Tree growth in drained peatland forests is influenced by complex interactions between species specific traits and climatic variability, yet these relationships remain insufficiently understood. This study examined the sensitivity of Scots pine (Pinus sylvestris) and Norway spruce (Picea abies) to temperature, precipitation, and the standardized precipitation-evapotranspiration index (SPEI) using tree-ring data and bootstrapped correlation analysis. Climate-growth relationships were analysed for two periods: early (1917-1970) and later (1971-2022). Climate growth responses of pine and spruce sh
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Manganhar, Suhail, and Humayoon Sial. "Projection of Geographical Variability and Temporal Trends on Drought Characteristics Using Standardized Precipitation Evapotranspiration Index (SPEI) for Water Resource Management of Critical Zones in Sindh, Pakistan." In 5th International Electronic Conference on Water Sciences. MDPI, 2020. http://dx.doi.org/10.3390/ecws-5-08449.

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Nikolova, Nina, Simeon Matev, and Petko Bozhkov. "THE IMPACT OF CLIMATE AND WEATHER-RELATED DISASTERS ON AGRICULTURE IN BULGARIA." In Book of Abstracts and Contributed Papers. Geographical Institute "Jovan Cvijić" SASA, 2024. http://dx.doi.org/10.46793/csge5.07nn.

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In recent years, various regions worldwide have experienced an increase in the frequency and severity of extreme weather events, including cold and heat waves, floods, droughts, forest fires, and storms. Climate models predict that many areas, particularly in Southern Europe, including Bulgaria, will face heightened drought and longer dry periods, along with higher temperatures. Climate change and weather-related disasters profoundly impact agriculture, one of the most important sectors of Bulgaria's economy. This study provides an overview of regional climate change trends in Bulgaria, focusi
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ŻARSKI, Jacek, Stanisław DUDEK, and Renata KUŚMIEREK-TOMASZEWSKA. "DRIP IRRIGATION AS A FACTOR MITIGATING DROUGHT IMPACT IN CORN CULTIVATION IN CENTRAL POLAND." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.167.

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The aim of the paper was to develop a model determining production effects of corn irrigation depending on a drought level in the growing season.Corn is particularly useful for cultivation in the conditions of irrigation since its yield in central Poland depends significantly on rainfall distribution in growing season. Corn was grown under irrigation conditions in the years 2005-2016 in the region of central Poland, meteorological data, were gained from the research station of the UTP University of Science and Technology in Bydgoszcz. Based on the results of twelve-year effects of corn irrigat
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