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On the definition of droughts
Abstract
In this paper, several considerations for developing a practical, analytical definition of droughts are discussed. These considerations include (1) selection of the nature of the water deficit to be studied (hydrological, meteorological, or agricultural); (2) selection of the averaging period used to discretize a continuous time series (months, seasons, or years); (3) selection of the truncation level used to separate droughts from the remainder of the time series (mean or median); and (4) method of regionalization or standardization. These decisions are discussed in terms of their impacts on various approaches to drought frequency analysis. In this paper, drought events are considered to be composed of duration, magnitude (average water deficiency), and severity (cumulative water deficiency). An application of the proposed drought definition procedure is presented for the case of a frequency analysis of multiyear hydrologic droughts.
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Citations
Cites
Topographic characteristics of drainage basins
Langbein, W. B. (1947) · doi:10.3133/wsp968c · Cited by 339
A stochastic analysis of extreme droughts
Gupta, V. K., & Duckstein, L. (1975) · Water Resources Research · doi:10.1029/wr011i002p00221 · Cited by 68
Cited by
(1993) · Cited by 7,699
Drought under global warming: a review
Dai, A. (2011) · WIREs Climate Change · doi:10.1002/wcc.81 · Cited by 3,523
Understanding: the Drought Phenomenon: The Role of Definitions
Wilhite, D. A., & Glantz, M. H. (1985) · Water International · doi:10.1080/02508068508686328 · Cited by 3,154
Climate Extremes and Compound Hazards in a Warming World
AghaKouchak, A., Chiang, F., Huning, L. S., Love, C. A., Mallakpour, I., Mazdiyasni, O., Moftakhari, H., Papalexiou, S. M., Ragno, E., & Sadegh, M. (2020) · Annual Review of Earth and Planetary Sciences · doi:10.1146/annurev-earth-071719-055228 · Cited by 1,103
Mishra, A. K., & Singh, V. P. (2011) · Journal of Hydrology · doi:10.1016/j.jhydrol.2011.03.049 · Cited by 1,037
Metadata
- Authors
- Dracup, J. A., Lee, K. S., & Paulson, E. G.
- Venue
- Water Resources Research
- Publisher
- American Geophysical Union (AGU)
- Published
- 1980-04
- Volume
- 16
- Issue
- 2
- Pages
- 297-302
- ISSN
- 0043-1397 (ISSN-L)
- 1944-7973
- OpenAlex
- W2128031524
- Cited by
- 987
- References
- 2
- FWCI
- 4.73
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dracup, J. A., Lee, K. S., & Paulson, E. G. (1980). On the definition of droughts. Water Resources Research. https://doi.org/10.1029/wr016i002p00297
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
