Title page for etd-0910108-093235


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URN etd-0910108-093235
Author Hsiu-Ling Hsieh
Author's Email Address No Public.
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Department Marine Geology and chemistry
Year 2007
Semester 2
Degree Master
Type of Document
Language zh-TW.Big5 Chinese
Title Spatial variations of carbonate parameters and CO2 flux in seawaters around Taiwan during summer 2006
Date of Defense 2008-07-28
Page Count 58
Keyword
  • Taiwan
  • CO2
  • Abstract Seawater samples around Taiwan were collected for pH, DIC, TA and fCO2 analyses. Results showed that their distributions closely related to the distribution of different water types. The high DIC and low pH but lower fCO2 values were found in the Shelf Surface Water (SSW) in the northern part of the study area, while the low DIC and TA but higher fCO2 values were found in the Luzon Coastal Current (LCC) in the northern Luzon Strait. The LCC was weak source under the influence of high temperature. Coastal Water (CW) and SSW represented two major sink areas due to the enhanced biological production stimulated by the high nutrient input from coastal and subsurface waters, respectively. Results also showed that high pH and TA but lower fCO2 were found in Kuroshio Surface Water (KSW) and KSW + Luzon Coastal Current (KSW+LCC) in the region off eastern Taiwan. The warm and saline KSW and KSW+LCC were weak sink owing to the elevated TA/DIC ratio, suggesting their CO2 uptake potential were influenced by biological production. The entire northern SCS represented a weak source under the influence of temperature. Finally, seawaters around Taiwan collectively acted as a sink of atmospheric CO2 with a flux of -0.12±0.43 mmol m-2 day-1 during the study period.
    Advisory Committee
  • Ching-Ling Wei - chair
  • Wen-Chen Chou - co-chair
  • Tsweng-Yung Tang - co-chair
  • David D. Sheu - advisor
  • Files
  • etd-0910108-093235.pdf
  • indicate in-campus access immediately and off_campus access in a year
    Date of Submission 2008-09-10

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