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Renewable energy is becoming an increasingly important component of energy systems. However, renewable energy production is heavily dependent on the prevailing weather conditions, which are changing as a result of climate change. It is…

Atmospheric and Oceanic Physics · Physics 2024-12-02 Edgar Dolores-Tesillos , Noelia Otero , Sam Allen

Climate change is expected to increase the likelihood of drought events, with severe implications for food security. Unlike other natural disasters, droughts have a slow onset and depend on various external factors, making drought detection…

Climate change and increases in drought conditions affect the lives of many and are closely tied to global agricultural output and livestock production. This research presents a novel approach utilizing machine learning frameworks for…

Image and Video Processing · Electrical Eng. & Systems 2023-06-02 Veronica Wairimu Muriga , Benjamin Rich , Francesco Mauro , Alessandro Sebastianelli , Silvia Liberata Ullo

Drought is a global threat caused by the persistent challenges of climate change. It is important to identify drought conditions based on the weather variables and their patterns. In this study, we enhanced the Standardized Precipitation…

Applications · Statistics 2023-09-22 Sachini Karunarathne , Kushani De Silva , Sanjeewa Perera

The Standardized Precipitation Index (SPI) is a critical tool for monitoring drought conditions, typically relying on normalized accumulated precipitation. While longer historical records of precipitation yield more accurate parameter…

Applications · Statistics 2025-07-22 Touqeer Ahmad , Taha Hasan

Understanding droughts in a climate context remains a major challenge. Over the United States, different choices of observations and metrics have often produced diametrically opposite insights. This paper focuses on understanding and…

Atmospheric and Oceanic Physics · Physics 2015-12-31 Poulomi Ganguli , Auroop R. Ganguly

This paper investigates the impacts of climate change on groundwater droughts making use of regional projections and standardized indices: the Standardized Precipitation Index (SPI), the Standardized Precipitation Evapotranspiration Index…

Atmospheric and Oceanic Physics · Physics 2022-02-10 D. Secci , M. G. Tanda , M. D Oria , V. Todaro , C. Fagandini

Drought is a complex environmental phenomenon that affects millions of people and communities all over the globe and is too elusive to be accurately predicted. This is mostly due to the scalability and variability of the web of…

Computers and Society · Computer Science 2024-05-21 A Akanbi

Drought is a serious natural disaster that has a long duration and a wide range of influence. To decrease the drought-caused losses, drought prediction is the basis of making the corresponding drought prevention and disaster reduction…

Machine Learning · Computer Science 2022-07-08 Weiwei Jiang , Jiayun Luo

The present study examined a multi-year reanalysis dataset (ERA5-Land) including numerous drought events across the Iberian Peninsula, with a specific emphasis on the 2005 episode. The mechanisms underlying the transition from…

Atmospheric and Oceanic Physics · Physics 2024-01-18 M. Possega , M. García-Valdecasas Ojeda , S. R. Gámiz-Fortis

Drought has become a critical global threat with significant societal impact. Existing drought monitoring solutions primarily focus on assessing drought severity using quantitative measurements, overlooking the diverse societal impact of…

Social and Information Networks · Computer Science 2024-12-18 Lanyu Shang , Bozhang Chen , Shiwei Liu , Yang Zhang , Ruohan Zong , Anav Vora , Ximing Cai , Na Wei , Dong Wang

In light of climate change's impacts on forests, including extreme drought and late-frost, leading to vitality decline and regional forest die-back, we assess univariate drought and late-frost risks and perform a joint risk analysis in…

Applications · Statistics 2023-10-17 Marija Tepegjozova , Benjamin F. Meyer , Anja Rammig , Christian S. Zang , Claudia Czado

Under climate change, the increasing frequency, intensity, and spatial extent of drought events lead to higher socio-economic costs. However, the relationships between the hydro-meteorological indicators and drought impacts are not…

Machine Learning · Computer Science 2022-11-08 Beichen Zhang , Fatima K. Abu Salem , Michael J. Hayes , Tsegaye Tadesse

Research on environmental risk modeling relies on numerous indicators to quantify the magnitude and frequency of extreme climate events, their ecological, economic, and social impacts, and the coping mechanisms that can reduce or mitigate…

Information Theory · Computer Science 2026-01-29 Abdullah Konak

In recent years, conditional copulas, that allow dependence between variables to vary according to the values of one or more covariates, have attracted increasing attention. In high dimension, vine copulas offer greater flexibility compared…

Methodology · Statistics 2021-09-24 Rosario Barone , Luciana Dalla Valle

Variable renewable energy droughts, so called Dunkelflaute events, emerge as a challenge for climate-neutral energy systems based on variable renewables. Here we characterize European drought events for on- and offshore wind power, solar…

Systems and Control · Electrical Eng. & Systems 2026-02-12 Martin Kittel , Wolf-Peter Schill

The system decomposition theory has recently been developed for the dynamic analysis of nonlinear compartmental systems. The application of this theory to the ecosystem analysis has also been introduced in a separate article. Based on this…

Systems and Control · Computer Science 2020-11-24 Huseyin Coskun

In recent decades, an increasing persistence of atmospheric circulation patterns has been observed. In the course of the associated long-lasting anticyclonic summer circulations, heat waves and drought spells often coincide, leading to…

Populations and Evolution · Quantitative Biology 2020-05-18 Allan Buras , Anja Rammig , Christian S. Zang

The mean North American and world climates have warmed significantly since the beginning of climatologically significant anthropogenic emission of greenhouse gases in the 19th Century. It has been suggested that warming may increase the…

Atmospheric and Oceanic Physics · Physics 2014-06-03 T. Muschinski , J. I. Katz

Drought is a complex stochastic natural hazard caused by prolonged shortage of rainfall. Several environmental factors are involved in determining drought classes at the specific monitoring station. Therefore, efficient sequence processing…

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