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Long-term variability of Total PrecipitableWater using a MODIS over Korea
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  • Journal title : Korean Journal of Remote Sensing
  • Volume 32, Issue 2,  2016, pp.195-200
  • Publisher : The Korean Society of Remote Sensing
  • DOI : 10.7780/kjrs.2016.32.2.11
 Title & Authors
Long-term variability of Total PrecipitableWater using a MODIS over Korea
Kwon, Chaeyoung; Lee, Darae; Lee, Kyeong-Sang; Seo, Minji; Seong, Noh-Hun; Choi, Sungwon; Jin, Donghyun; Kim, Honghee; Han, Kyung-Soo;
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 Abstract
Water vapor leading various scale of atmospheric circulation and accounting for about 60% of the naturally occurring warming effect is important climate variables. Using the Total Precipitable Water (TPW) from Moderate Resolution Imaging Spectroradiometer (MODIS) operating on both Terra and Aqua, we study long-term Variation of TPW and define relationship among TPW and climatic parameters such as temperature and precipitation to quantitatively demonstrate the impact on climate change over East Asia focusing on the Korea peninsula. In this study, we used linear regression analysis to detect the correlation of TPW and temperature/precipitation and harmonic analysis to analyze changeable aspects of periodic characteristics. A result of analysis using linear regression analysis between TPW and climate elements, TPW shows a high determination coefficient () with temperature and precipitation (determination coefficient between TPW and temperature: 0.94, determination coefficient between TPW anomaly and temperature anomaly: 0.8, determination coefficient between TPW and precipitation: 0.73, determination coefficient between TPW anomaly and precipitation anomaly: 0.69). A result of harmonic analysis of TPW and precipitation of two-year to five-year cycle, amplitude contribution ratio of 3.5-year cycle are much higher and two phases are similar in 3.5-year cycle.
 Keywords
MODIS;TPW;Anomaly;Harmonic analysis;
 Language
Korean
 Cited by
 References
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