A case study of relationship between GPS PWV and solar variability during the declining phase of solar cycle 23

Wayan Suparta, Grahame J. Fraser

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Water vapor plays an important role in the global climate system. A clear relationship between water vapor and solar activity can explain some physical mechanisms of how solar activity influences terrestrial weather/climate changes. To gain insight of this possible relationship, the atmospheric precipitable water vapor (PWV) as the terrestrial climate response was observed by ground-based GPS receivers over the Antarctic stations. The PWV changes analyzed for the period from 2003 to 2008 coincided with the declining phase of solar cycle 23 exhibited following the solar variability trend. Their relationship showed moderate to strong correlation with 0.45 < R 2 < 0.93 (p < 0.01), on a monthly basis. This possible relationship suggests that when the solar-coupled geomagnetic activity is stronger, the Earth's surface will be warmer, as indicated by electrical connection between ionosphere and troposphere.

Original languageEnglish
Pages (from-to)220-240
Number of pages21
JournalActa Geophysica
Volume62
Issue number1
DOIs
Publication statusPublished - 2014

Fingerprint

precipitable water
solar cycles
solar cycle
water vapor
GPS
solar activity
climate
climate change
Earth surface
troposphere
weather
ionospheres
global climate
ionosphere
receivers
stations
trends

Keywords

  • climate
  • GPS PWV
  • relationship
  • solar activity

ASJC Scopus subject areas

  • Geophysics

Cite this

A case study of relationship between GPS PWV and solar variability during the declining phase of solar cycle 23. / Suparta, Wayan; Fraser, Grahame J.

In: Acta Geophysica, Vol. 62, No. 1, 2014, p. 220-240.

Research output: Contribution to journalArticle

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