Monitoring of the Fugitive and Suspended Dust Dispersion at the Reclaimed Land and Neighboring Farms : Monitoring in Gunsan
2008
Hwang, H.S. (Seoul National University, Seoul, Republic of Korea) | Lee, I.B. (Seoul National University, Seoul, Republic of Korea), E-mail: [email protected] | Shin, M.H. (Korea Rural Community and Agriculture Corporation Semangeum Tideland Reclamation Project, Gimje, Republic of Korea) | Hong, S.W. (Seoul National University, Seoul, Republic of Korea) | Seo, I.H. (Seoul National University, Seoul, Republic of Korea) | Ryu, J.I. (Seoul National University, Seoul, Republic of Korea) | Lee, S.K. (Kongju National University, Kongju, Republic of Korea)
A study on fugitive dust dispersion was conducted at Saemanguem reclaimed area located at the west coastal area of Jeon-buk Province Total reclaimed area is 40,100ha developed by building a 33km long sea dike through Gunsan, Gimje, and Buan. (Land: 28,300ha, Fresh Water Lake: 11,800ha) After this area was completely reclaimed in 2006, there has been high possibility of dust generation and dispersion to the neighboring area. The dust generated at the reclaimed land was composed mainly of minerals with high salinity, and it could make harmful effect on crop production as well on to human's health such as eye irritation and respiratory disease. Especially, when those aerosol particles are reached on the leaves of farm crops, the photosynthesis and respiration of the plants can be under restraint resulting in the decrease of agricultural productivity of the nearby farm areas. Furthermore, highly concentrated salty particles can directly damage the leaf cells. In this study, field experiment has been conducted to regularly measure the locally suspended dust particles and analyze how they were dispersed to the neighboring areas. The collected dust particles were analyzed to examine theirs sizes, concentrations, and components. The SPSS statistical program was also used to separate the dust concentration generated by the reclaimed land from the total dust concentration measured at the measuring locations.
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