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Daily High-Resolution Temperature and Precipitation Fields for the Contiguous United States from 1951 to Present
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2022
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Source: Journal of Atmospheric and Oceanic Technology, 39(12), 1837-1855
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Journal Title:Journal of Atmospheric and Oceanic Technology
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Description:In this paper, a new set of daily gridded fields and area averages of temperature and precipitation is introduced that covers the contiguous United States (CONUS) from 1951 to present. With daily updates and a grid resolution of approximately 0.0417° (nominally 5 km), the product, named nClimGrid-Daily, is designed to be used particularly in climate monitoring and other applications that rely on placing event-specific meteorological patterns into a long-term historical context. The gridded fields were generated by interpolating morning and midnight observations from the Global Historical Climatology Network–Daily dataset using thin-plate smoothing splines. Additional processing steps limit the adverse effects of spatial and temporal variations in station density, observation time, and other factors on the quality and homogeneity of the fields. The resulting gridded data provide smoothed representations of the point observations, although the accuracy of estimates for individual grid points and days can be sensitive to local spatial variability and the ability of the available observations and interpolation technique to capture that variability. The nClimGrid-Daily dataset is therefore recommended for applications that require the aggregation of estimates in space and/or time, such as climate monitoring analyses at regional to national scales.
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Source:Journal of Atmospheric and Oceanic Technology, 39(12), 1837-1855
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ISSN:0739-0572;1520-0426;
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