e-journal

The spatial and temporal analysis of dry spells in the Yellow River basin, China

---

Abstract

In this research, drought in Yellow River basin has been studied by using dry spells. Three indices, including the maximum length (MxDS), mean length (MDS) and number of dry spells (NDS), and five periods (annual, winter, spring, summer and autumn) are considered. The results show that a south to north gradient for
mean MxDS and MDS has been dominantly found in all periods except summer, in which a southwest and southeast to north gradient exists. Mean NDS shows an opposite distribution to that of mean MxDS and MDS. It is surely that the northern part of Yellow River basin, with a higher MxDS and MDS and lower NDS, is much drier than southern part in a regional scale. According to temporal analysis by using the Mann–Kendall trend method, MxDS
of most stations show negative but insignificant trends during annual and winter, while the majority of stations show positive trends during spring, summer and autumn. Trends of MDS and NDS dominantly depict positive and negative for most periods, espectively. By comparing the frequency of dry spells during the ENSO events, it can be found that the frequency of intermediate and long dry spells is almost tantamount during the occurrence periods of El Nin˜o and La Nin˜ a.

Keywords : Dry spell, Mann–Kendall trend analysis, Yellow River basin

---

Ketersediaan

Tidak ada salinan data

Informasi Detail

Judul Seri

Stoch Environ Res Risk Assess (2013) 27:29–42

No. Panggil

-

Penerbit

: Springer-Verlag., 2013

Deskripsi Fisik

Stoch Environ Res Risk Assess (2013) 27:29–42

Bahasa

English

ISBN/ISSN

1436-3259

Klasifikasi

-

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

ILMU LINGKUNGAN

Info Detail Spesifik

-

Pernyataan Tanggungjawab

Ety

Versi lain/terkait

Lampiran Berkas

Komentar

---

Anda harus masuk sebelum memberikan komentar