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Author |
Smith, R. A. |
Title |
Trends in Maximum and Minimum Temperature Deciles in Select Regions of the United States |
Type |
$loc['typeManuscript'] |
Year |
2007 |
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Keywords |
Long term temperature trends, Climate change, Statistical analysis, Climatology |
Abstract |
Daily maximum and minimum temperature data from 758 COOP stations in nineteen states are used to create temperature decile maps. All stations used contain records from 1948 through 2004 and could not be missing more than 5 consecutive years of data. Missing data are replaced using a multiple linear regression technique from surrounding stations. For each station, the maximum and minimum temperatures are first sorted in ascending order for every two years (to reduce annual variability) and divided into ten equal parts (or deciles). The first decile represents the coldest temperatures, and the last decile contains the warmest temperatures. Patterns and trends in these deciles can be examined for the 57-year period. A linear least-squares regression method is used to calculate best-fit lines for each decile to determine the long-term trends at each station. Significant warming or cooling is determined using the Student's t-test, and bootstrapping the decile data will further examine the validity of significance. Two stations are closely examined. Apalachicola, Florida shows significant warming in its maximum deciles and significant cooling in its minimum deciles. The maximum deciles seem to be affected by some localized change. The minimum deciles are discontinuous, and the trends are a result of a minor station move. Columbus, Georgia has experienced significant warming in its minimum deciles, and this appears to be the result of an urban heat-island effect. The discontinuities seen in the Apalachicola case study illustrate the need for a quality control method. This method will eliminate stations from the regional analysis that experience large changes in the ten-year standard deviations within their time series. The regional analysis shows that most of the region is dominated by significant cooling in the maximum deciles and significant warming in the minimum deciles, with more variability in the lower deciles. Field significance testing is performed on subregions (based on USGS 2000 land cover data) and supports the findings from the regional analysis; it also isolates regions, such as the Florida peninsula and the Maryland/Delaware region, that appear to be affected by more local forcings. |
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Department of Meteorology |
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$loc['Master's thesis'] |
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Florida State University |
Place of Publication |
Tallahassee, FL |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
612 |
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Author |
Smith, S. R. |
Title |
Shipboard Automated Meteorological and Oceanographic System (SAMOS) Initiative |
Type |
$loc['typeConference Article'] |
Year |
2007 |
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Report for 4rd session of the JCOMM Ship Observation Team meeting, 16-21 April 2007, Geneva, Switzerland |
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2 |
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$loc['no'] |
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COAPS @ mfield @ |
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705 |
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Author |
Smith, S. R. |
Title |
Progress of the Shipboard Automated Meteorological and Oceanographic System (SAMOS) initiative |
Type |
$loc['typeReport'] |
Year |
2006 |
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cdrom |
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Climate Observation Program 4th Annual System Review, NOAA, Silver Spring, MD, USA |
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$loc['no'] |
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COAPS @ mfield @ |
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934 |
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Author |
Smith, S. R. |
Title |
A Comparison of SAMOS and Bridge Observations on Research Vessels |
Type |
$loc['typeConference Article'] |
Year |
2006 |
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1st Joint GOSUD SAMOS Workshop, NOAA, Boulder, CO, USA |
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NOAA |
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$loc['no'] |
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COAPS @ mfield @ |
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936 |
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Author |
Smith, S. R. |
Title |
Collaboration between Shipboard Oceanic and Atmospheric Data Programs |
Type |
$loc['typeMagazine Article'] |
Year |
2006 |
Publication |
EOS |
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87 |
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463,466 |
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NOAA |
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$loc['no'] |
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COAPS @ mfield @ |
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938 |
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Author |
Smith, S. R. |
Title |
Shipboard Automated Meteorological and Oceanographic System (SAMOS) Initiative |
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$loc['typeReport'] |
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2005 |
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cdrom |
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World Meteorological Organization |
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3rd Session of the JCOMM Ship Observation Team |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
898 |
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Author |
Smith, S. R. |
Title |
Shipboard Automated Meteorological and Oceanographic Systems: A Key Component of an Ocean Observing System |
Type |
$loc['typeConference Article'] |
Year |
2005 |
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9th Symposium on Integrated Observing and Assimilation Systems of Atmosphere, Oceans, and Land Surfaces, American Meteorological Society, San Diego, California, USA |
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NOAA |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
900 |
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Author |
Smith, S. R. |
Title |
Report from the 2nd workshop on high-resolution marine meteorology |
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$loc['typeReport'] |
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2004 |
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31 |
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Center for Ocean-Atmospheric Prediction Studies, Florida State University |
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Tallahassee, FL |
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COAPS Technical Report 04-01 |
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NOAA |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
883 |
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Author |
Smith, S. R. |
Title |
Surface Meteorology from Research Vessels |
Type |
$loc['typeReport'] |
Year |
2004 |
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GSOP Report on Ocean Observations, International CLIVAR Project Office, UK |
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NOAA |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
888 |
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Author |
Smith, S. R. |
Title |
The Shipboard Automated Meteorological and Oceanographic Systems (SAMOS) Initiative |
Type |
$loc['typeConference Article'] |
Year |
2004 |
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2004 meeting of the UNOLS Research Vessel Technical Enhancement Committee, UNOLS, St. Petersburg, Florida, USA |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
889 |
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