EconPapers    
Economics at your fingertips  
 

Critical droughts extracted from dry periods

Yonca Cavus and Hafzullah Aksoy ()
Additional contact information
Yonca Cavus: Istanbul Beykent University
Hafzullah Aksoy: Istanbul Technical University

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2025, vol. 121, issue 4, No 9, 3939-3957

Abstract: Abstract Differently from common definitions, we distinguish droughts from dry periods in this study. From the dry periods, we extract subperiods of various durations changing from one month to the dry period length. Each subperiod is called a drought, and the most severe drought (with maximum severity or intensity) of each duration is defined critical drought. These newly defined concepts of this study were tested based on the 12-month timescale standardized precipitation index calculated from monthly precipitation data of two meteorological stations in Seyhan River Basin, Turkey. Frequency analysis was applied on the critical drought intensity for each drought duration separately. Results showed that statistical characteristics (duration, severity, intensity and frequency) of dry periods and critical droughts were different from each other. Critical droughts were more intense than the dry periods and their intensity increased as their duration decreased. The Generalized Extreme Value was confirmed as the best-fit probability distribution function of the critical drought intensity in majority. By extracting droughts from the dry periods instead of taking a dry period as one single drought, high number of short and intense critical droughts were deciphered that are masked otherwise within dry periods. These frequent droughts may have higher negative impact on water-dependent economic sectors and society if their timing of occurrence coincides with the season when the water demand is peaking. Therefore, extraction of critical droughts from dry periods is a substantial achievement of this study as the negative impact of drought is often related to its intensity along with its severity and duration.

Keywords: Critical drought; Drought; Dry period; Frequency analysis; Generalized extreme value; Standardized precipitation index (search for similar items in EconPapers)
Date: 2025
References: View references in EconPapers View complete reference list from CitEc
Citations:

Downloads: (external link)
http://link.springer.com/10.1007/s11069-024-06947-w Abstract (text/html)
Access to the full text of the articles in this series is restricted.

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:spr:nathaz:v:121:y:2025:i:4:d:10.1007_s11069-024-06947-w

Ordering information: This journal article can be ordered from
http://www.springer.com/economics/journal/11069

DOI: 10.1007/s11069-024-06947-w

Access Statistics for this article

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards is currently edited by Thomas Glade, Tad S. Murty and Vladimír Schenk

More articles in Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards from Springer, International Society for the Prevention and Mitigation of Natural Hazards
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().

 
Page updated 2025-05-18
Handle: RePEc:spr:nathaz:v:121:y:2025:i:4:d:10.1007_s11069-024-06947-w