New approach to detect trends in extreme rain categories by the ITA method in northwest Algeria

Benali Benzater*, Abdelkader Elouissi, Ismail Dabanli, Samra Harkat, Abderrahmane Hamimed

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: ???type-name???Makalebilirkişi

10 Atıf (Scopus)

Özet

A new approach for the modified method of innovative trend analysis (ITA) was applied to the categories of maximum daily rains coming from 41 pluviometric stations of Macta (northwest Algeria) for the period 1970–2010. Six categories of maximum daily rainfall were considered: light: 0–4 mm/day (A); mild to moderate: 4–16 mm/day (B); moderate to heavy: 16–32 mm/day (C1); heavy: 32–64 mm/day (C2); heavy to torrential: 64–128 mm/day (D1); and torrential: equal to or greater than 128 mm/day (D2). The results show that during the second period (1990–2010), increasing trends were detected in the middle categories B (most frequent: 20.78%), C1 (17.85%), C2 (20.21%) and D1 (4.92%). In addition, migratory movements and rainy events towards the higher categories were detected (in particular towards C1 (8.84%)). These results show an increase in extreme rains in the Macta watershed during the period 1990–2010.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)2298-2311
Sayfa sayısı14
DergiHydrological Sciences Journal
Hacim66
Basın numarası16
DOI'lar
Yayın durumuYayınlandı - 2021

Bibliyografik not

Publisher Copyright:
© 2021 IAHS.

Finansman

The authors thank the National Water Resources Agency (ANRH) for making the data available. The authors thank Prof. Zohair Chentouf (King Saud University, KSA) for his linguistic advice. We extend our gratitude to Prof. Laborde J. for his free Hydrolab software, which was used for data analysis.

FinansörlerFinansör numarası
ANRH
National Water Resources Agency
King Saud University

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