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reference : A new homogenized climate division precipitation dataset for analysis of climate variability and climate change

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A New Homogenized Climate Division Precipitation Dataset for Analysis of Climate Variability and Climate Change
Bibliographic fields
reftype Journal Article
Abstract A new homogeneous climate division monthly precipitation dataset [based on full network estimated precipitation (FNEP)] was created as an alternative to the National Climatic Data Center (NCDC) climate division dataset. These alternative climate division monthly precipitation values were estimated using an equal-weighted average of Cooperative Observer Program stations that contained serially complete time series. Missing station observations were estimated by a procedure that was optimized through testing on U.S.; Historical Climate Network stations. Inhomogeneities in the NCDC dataset arise from two principal causes. The pre-1931 estimation of NCDC climate division monthly precipitation from statewide averages led to a significant time series discontinuity in several climate divisions. From 1931 to the present, NCDC climate division averages have been calculated from a subset of available station data within each climate division, and temporal changes in the location of available stations have caused artificial changes in the time series. The; FNEP climate division dataset is recommended over theNCDCdataset for studies involving climate trends or long-term climate variability. According to the FNEP data, the 1895–2009 linear precipitation trend is positive across most of the United States, and trends exceed 10% per century across the southern plains and the Corn Belt. Remaining inhomogeneities from changes in gauge technology and station location may be responsible for an artificial trend of 1%–3% per century.
Author McRoberts, D.B. J.W. Nielsen-Gammon
DOI 10.1175/2010JAMC2626.1
ISSN 1558-8424
Issue 6
Journal Journal of Applied Meteorology and Climatology
Pages 1187-1199
Title A new homogenized climate division precipitation dataset for analysis of climate variability and climate change
URL http://journals.ametsoc.org/doi/pdf/10.1175/2010JAMC2626.1
Volume 50
Year 2011
Bibliographic identifiers
.reference_type 0
_chapter ["Ch. 2: Our Changing Climate FINAL"]
_record_number 1970
_uuid 5651d034-614a-4dba-ad5c-799de4507886