Estimation and verification of daily surface shortwave flux over china

Jianqing Xu, Kooiti Masuda, Yasushi Ishigooka, Tsuneo Kuwagata, Shigenori Haginoya, Tadahiro Hayasaka, Tetsuzo Yasunari

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Downward shortwave flux at the surface over China was derived from sunshine duration data using parameters of Jordan sunshine recorders. The sunshine duration data were obtained as routine meteorological data and adjusted as necessary for the e{currency sign}ects of topography, station surroundings, altitude, and atmospheric turbidity. Calculated flux was verified by in situ observations. Daily flux was calculated at more than 190 stations in China, Climatic maps (statistical period: 1971-2000) of surface solar radiation were produced and have been made public. The sunshine duration-based shortwave flux was used to check satellite observation-based datasets. Two versions of satellite-based surface radiation budget datasets (SRB 2.0 and SRB 3.0) from NASA's Langley Research Center were investigated. Compared with the SRB 2.0 dataset, the SRB 3.0 dataset showed improved shortwave flux, especially over western China and the Tibetan Plateau.

Original languageEnglish
Pages (from-to)225-238
Number of pages14
JournalJournal of the Meteorological Society of Japan
Volume89
Issue numberA
DOIs
Publication statusPublished - 2011 Jan 1

ASJC Scopus subject areas

  • Atmospheric Science

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