Clinical measures that Quantify falling risk factors are needed for the accurate evaluation of patients and to plan an intervention strategy. The purpose of this study was to examine the test-retest and interrater reliability of the dynamic gait index (DGI) for persons with Parkinson's disease (PD). A total of 22 idiopathic PD patients were recruited from rehabilitation hospital, Korea in this study. The DGI was assessed in two sessions that were, three days apart. We also measured Berg balance test (BBT) and geriatric depression scale (GDS) for concurrent validity with DGI. Intrarater and interrater reliability (.96 and .98 respectively) for DGI were high. indicating good agreement. The DGI was showed a good positive correlation with the BBS (r=.852). but not GDS (r=-.462). Intrarater and interrater reliability of DGI were high in people with PD. The DGI could be a reliable measure to evaluate functional postural control during gait activities in the PD population, and the ability of DGI to detect real change is acceptable in research and clinical settings.

The Dynamic Gait Index (DGI) was developed and widely used as a clinical tool to assess balance performance during gait. The purpose of this study was to validate the Korean translated DGI using Rasch analysis. A total of 105 community-dwelling elderly was participated in this study (age range = 65~95 years; mean = 78.0 years). The translated DGI showed sound item psychometric properties, and the 8 items were arranged in order of difficulty for the total participants. The most difficult item was 'Steps' and the easiest item was 'Level surface'. Also, each of the original 4 rating scale categories satisfied the Linacre's essential criteria suggestions for optimal rating scale category effectiveness. Although, thirty eight person (36.2%) showed the maximal high score, but the most of them was no history of fall in the preceding year. For subjects who has falling history, all of the person's ability was arranged within the item's difficulty. The 8-item Korean translated DGI can be used to measure gain in elderly person with balance disorders without compromising important clinical measurement characteristics in Korea.

토양수분 분포의 시공간적인 예측을 위하여 유사 동력학 상태의 습윤지수 계산과정을 정리하였고, 우량 자료를 회귀적분한 동력학적 습윤지수의 계산 알고리즘을 개발하였다. 설마천 유역의 수치고도 모형과 2년간의 우량자료를 활용하여 동력학적 상태의 습윤지수의 시ㆍ공간적인 거동을 분석하였다. 공간적인 거동은 동력학적인 습윤지수가 유사 동력학적 상태나 정적인 습윤지수와 비교하여 흐름분산 특성이 강조된 분포특성을 보여주었다. 통계적인 특성으로는 시간이 경과함에 따라

정상상태 가정을 완화시킨 습윤지수의 해상도 문제가 수치지형모형에서 다루어졌다. 반 동역학적 습은지수와 동력학적 습윤지수의 변화성을 수치고도모형의 격자 크기와 배수시간을 변화시키면서, 공간적 통계적으로 고찰하였다. 변화하는 배수시간과 격자크기에 따라 습윤지수의 구조화 양상이 관찰 되었다. 설마천 유역의 적용결과 비교적 짧은 배수시간에서는 습윤도의 천이성이 관찰되었고, 10,000 시간 이상의 배수 시간에서는 통계적 분석 결과가 정상상태의 특성으로 수렴함을