Detection of Linkage Between Solar and Lunar Cycles and Runoff of the World's Large Rivers

Zhijun Dai, Jinzhou Du, Zhenghong Tang, Suying Ou, Samuel Brody, Xuefei Mei, Jietai Jing, Shoubing Yu

Research output: Contribution to journalArticle

Abstract

It is an ongoing concern that global hydrological cycle can be likely intensified under context of climate change and anthropogenic actions. Here, our results show that the solar and lunar periodic motions (SLPMs) have substantial impact on the runoff of the world's large rivers. We estimate that SLPMs can produce a change of the world's large rivers runoff by as much as 6.7%. Although climate models suggest that the increased frequency of extreme events is attributed to anthropogenic activities, it is out of our expectation that as much as 73% and 85% of the extreme flood and drought events (based on runoff discharged to the ocean) appear in resonance with SLPMs, respectively. A reevaluation of impacts of SLPMs on changes in the world's river runoff is urgently needed, especially when extreme drought and flood events are on the rise.

Original languageEnglish (US)
Pages (from-to)914-930
Number of pages17
JournalEarth and Space Science
Volume6
Issue number6
DOIs
StatePublished - Jun 2019

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lunar cycle
solar cycle
runoff
river
drought
hydrological cycle
extreme event
climate modeling
human activity
climate change
detection
world
ocean

Keywords

  • extreme hydrological events
  • river discharge
  • solar and lunar cycles

ASJC Scopus subject areas

  • Environmental Science (miscellaneous)
  • Earth and Planetary Sciences(all)

Cite this

Detection of Linkage Between Solar and Lunar Cycles and Runoff of the World's Large Rivers. / Dai, Zhijun; Du, Jinzhou; Tang, Zhenghong; Ou, Suying; Brody, Samuel; Mei, Xuefei; Jing, Jietai; Yu, Shoubing.

In: Earth and Space Science, Vol. 6, No. 6, 06.2019, p. 914-930.

Research output: Contribution to journalArticle

Dai, Zhijun ; Du, Jinzhou ; Tang, Zhenghong ; Ou, Suying ; Brody, Samuel ; Mei, Xuefei ; Jing, Jietai ; Yu, Shoubing. / Detection of Linkage Between Solar and Lunar Cycles and Runoff of the World's Large Rivers. In: Earth and Space Science. 2019 ; Vol. 6, No. 6. pp. 914-930.
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