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Causes of Southern Hemisphere climate variability in the early 20th century

Connolly, Charlotte J
http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1587217042363834

Abstract Details

2020, Bachelor of Arts (BA), Ohio University, Geography.
The long-term natural climate variability of the high latitudes in the Southern Hemisphere is not well understood. This issue can be attributed to the lack of climate data and the short temporal span of data available for this region. While the lack of data across the Southern Hemisphere makes studying long term climate difficult, it is not entirely impossible. Reanalysis and reconstructions are another data source that can be used to increase the span of available data. While these data sets are not perfect, they are necessary for a better understanding of Southern Hemisphere climate. Using these multiple data sources, this study found that the early twentieth century is characterized by a negative SLP trend across Antarctic and a positive pressure SLP trend in across the midlatitudes in all seasons except SON, where there is possible influence from ENSO. This study also found that reanalyses have less skill in the early twentieth century compared to the late twentieth century, which stems from less available data assimilated into the reanalyses, or their inability to conserve mass in regions of large spatial data voids. There were also connections between the PDO and large climate fluctuations across the Southern Hemisphere in the 20th century, but this relationship needs to be investigated more to fully understand these teleconnections.
Ryan Fogt, Dr. (Advisor)
92 p.
Atmospheric Sciences
Geography; Climate; Reanalyses; Southern Hemisphere

Recommended Citations

Citations

  • Connolly, C. J. (2020). Causes of Southern Hemisphere climate variability in the early 20th century [Undergraduate thesis, Ohio University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1587217042363834

    APA Style (7th edition)

  • Connolly, Charlotte. Causes of Southern Hemisphere climate variability in the early 20th century. 2020. Ohio University, Undergraduate thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1587217042363834.

    MLA Style (8th edition)

  • Connolly, Charlotte. "Causes of Southern Hemisphere climate variability in the early 20th century." Undergraduate thesis, Ohio University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1587217042363834

    Chicago Manual of Style (17th edition)

ouhonors1587217042363834
190
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This open access ETD is published by Ohio University Honors Tutorial College and OhioLINK.