The DOI matches its Crossref record; 17 of the 17 references it cites were found in a registry or an index.
An Overview of the Second Generation Adjusted Daily Precipitation Dataset for Trend Analysis in Canada
Open accessAbstract
A second generation adjusted precipitation daily dataset has been prepared for trend analysis in Canada. Daily rainfall and snowfall amounts have been adjusted for 464 stations for known measurement issues such as wind undercatch, evaporation and wetting losses for each type of rain-gauge, snow water equivalent from ruler measurements, trace observations and accumulated amounts from several days. Observations from nearby stations were sometimes combined to create time series that are longer; hence, making them more useful for trend studies. In this new version, daily adjustments are an improvement over the previous version because they are derived from an extended dataset and enhanced metadata knowledge. Datasets were updated to cover recent years, including 2009. The impact of the adjustments on rainfall and snowfall total amounts and trends was examined in detail. As a result of adjustments, total rainfall amounts have increased by 5 to 10% in southern Canada and by more than 20% in the Canadian Arctic, compared to the original observations, while the effect of the adjustments on snowfall were larger and more variable throughout the country. The slope of the rain trend lines decreased as a result of the larger correction applied to the older rain-gauges while the slope of the snow trend lines increased, mainly along the west coast and in the Arctic. Finally, annual and seasonal rainfall and snowfall trends based on the adjusted series were computed for 1950–2009 and 1900–2009. Overall, rainfall has increased across the country while a mix of non-significant increasing and decreasing trends was found during the summer in the Canadian Prairies. Snowfall has increased mainly in the north while a significant decrease was observed in the southwestern part of the country for 1950–2009.
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Metadata
- Authors
- Mekis, É., & Vincent, L. A.
- Venue
- Atmosphere-Ocean
- Publisher
- Informa UK Limited
- Published
- 2011-06
- Volume
- 49
- Issue
- 2
- Pages
- 163-177
- ISSN
- 0705-5900 (ISSN-L)
- 1480-9214
- OpenAlex
- W1985328644
- Cited by
- 379
- References
- 17
- FWCI
- 12.57
- Type
- journal article
- Language
- en
- Open access
- bronze
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