본 연구에서는 김천과 목포 대의 QP-1과 QS-1을 비교함으로써 남한 중 서부 일대 지각의 물리적 성질을 알아보았다. QP-1과 QS-1은 한국지질자원연구원에서 운영중인 2개 관측소인 KMC(김천), MUN(무안) 지진 자료와 기상청에서 운영하는 4개 관측소인 CPN(추풍령), KUC(거창), MOP(목포), WAN(완도) 지진 기록을 바탕으로 확장 코다 규격화법을 이용하여 구하였다. 남한 중부의 QP-1은 (1.4±3.9)×10-3에서 (2.3±3.5)×10-4, QS-1은 (1.8±1.3)×10-3에서 (1.9±1.5)×10-4이고, 남한 남서부의 QP-1 값은 (5.9±4.8)×10-3에서 (2.2±3.8)×10-4, QS-1 값은 (0.5±2.8)×10-3에서 (1.8±1.6)×10-4으로 모두 주파수가 3.0 Hz에서 24 Hz로 늘어남에 따라 그 값이 감소하는 주파수 의존적 특성을 보인다. 이들 값을 주파수의 지수 형태로 나타내면 중부는 QP-1이 0.003f-0.49, QS-1이 0.005f-1.03, 남서부는 QP-1이 0.026f-1.47, QS-1이 0.001f-0.49로 이 값들은 지진학적으로 안정한 지역의 값과 거의 유사하다. 그러나 남서부의 QP-1 값이 다소 높은데, 이는 자료수의 부족 때문이라고 추정된다.

This study was to investigate the changes in dietary practices, reasons for making dietary changes, current food consumption patterns, and eating habits. Data were collected from 515 parents whose children were attending an elementary school and a middle school in Kimcheon. Among the twenty food groups studied, subjects reported eating more fruit, vegetables, lower-fat meats, high-fat meats, reduced/skim milk, and eggs and less sugar, fats, rice, salt, potato/sweet potato, and chicken. The changes in dietary practices except high-fat meats and salt were significantly different between sex, age, education level, income level, or BMI groups. The primary reason for making dietary changes was 'concerned about family's health'. The average rate of never eating breakfast or less than 2 times per week was found to be 23.2% with a greater rate in younger age group. The rate of breakfast skipping was found to vary between different age and education groups. The regularity of mealtime and overeating practices were significantly different between age groups. Eating out practices were found to vary between different age, education, and income groups. People at younger age group in Kimcheon should be targeted for nutrition education about eating habits. These findings are applicable at the planning and implementation stages of various nutritional improvement projects.