DOI: 10.1002/joc.5377
论文题名: Time of observation adjustments to daily station precipitation may introduce undesired statistical issues
作者: Oyler J.W. ; Nicholas R.E.
刊名: International Journal of Climatology
ISSN: 8998418
出版年: 2018
卷: 38 起始页码: e364
结束页码: e377
语种: 英语
英文关键词: extremes
; GHCN-D
; NLDAS-2
; precipitation observations
; time of observation
Scopus关键词: Reactor cores
; Adjustment method
; Daily precipitations
; extremes
; Nldas-2
; Precipitation intensity
; Spatio temporal
; Temporal alignment
; time of observation
; Alignment
; database
; extreme event
; observational method
; precipitation intensity
; spatiotemporal analysis
; weather station
英文摘要: Interstation observations of daily precipitation are often temporally misaligned due to differences in station time of observation. Several time of observation adjustment methods have historically been applied to improve interstation temporal alignment, but the efficacy of such adjustments has not been fully tested. Here, we examine the ability of several time of observation adjustments to improve observation compatibility under three different adjustment scenarios: adjusting morning observations to midnight, adjusting afternoon observations to midnight, and adjusting afternoon observations to morning. We find that all adjustment methods provide necessary improvements to the temporal alignment of daily precipitation observations, especially with respect to morning versus midnight time of observation totals. However, for a majority of the adjustments, improved temporal alignment comes at the cost of significantly altering observed precipitation intensity, frequency, and extremes. We also find adjustments have the potential to overcorrect and increase both general and extreme event spatio-temporal coherence. © 2017 Royal Meteorological Society Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/116922
Appears in Collections: 气候减缓与适应
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作者单位: Earth and Environmental Systems Institute, The Pennsylvania State University, University Park, PA, United States
Recommended Citation:
Oyler J.W.,Nicholas R.E.. Time of observation adjustments to daily station precipitation may introduce undesired statistical issues[J]. International Journal of Climatology,2018-01-01,38