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단보 : 광릉 활엽수림의 낙엽층 차단저류능 추정에 관하여
강민석 ( Min Seok Kang ),홍제우 ( Je Woo Hong ),봉하영 ( Ha Young Bong ),장혜미 ( Hye Mi Jang ),최명제 ( Myung Je Choi ),장유희 ( Yoo Hee Jang ),천정화 ( Jeong Hwa Cheon ),김준 ( Joon Kim ) 한국농림기상학회 2011 한국농림기상학회지 Vol.13 No.2
In order to better understand the role of litter layer on hydrological cycle in forest, we estimated the interception storage capacity of the litter layer at Gwangneung deciduous forest. We first made a thickness map of the litter layer at the study site based on field survey and then collected representative litter samples for the laboratory experiment. We constructed a measurement device consisting of sample tray, drain collector, tipping bucket, and a data logger. Using this device, we examined the relationship between the interception storage capacity (Ci) and the thickness (d) of the litter layer. For the range of d from 25 to 100 mm, there was a simple linear relationship between C(i) and d, which changed with the intensity of the simulated rain. The results were extrapolated to d smaller than 25 mm by considering that no interception occurs without litter layer. Overall, C(i) increased rapidly when d was low (< 25 mm) but the rate of increase decreased as d increased due to clumping. With an average thickness of 59 mm, the estimated C(i) at the site was 0.94 (±0.39) mm. Such an interception storage capacity of the litter layer is comparable to that of the forest canopy, suggesting that the litter layer can play an important role in the forest water cycle.