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NTIS 바로가기대한토목학회논문집 = Journal of the Korean Society of Civil Engineers, v.40 no.1, 2020년, pp.111 - 118
이준학 (육군사관학교 토목환경학과)
The rainfall kinetic energy equation derived in the USA has been used in South Korea to quantitatively estimate the amount of soil erosion caused by rainfall for the past 40 years. It is critical to analyze the characteristics of rainfall kinetic energy that causes soil erosion from measured storm e...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
강우운동에너지는 어떻게 구분되는가? | 강우운동에너지는 단위에 따라서 단위부피당 강우운동에너지와 단위시간당 강우운동에너지로 구분할 수 있다(Kinnell, 1981; Salles et al., 2002). | |
강우침식인자는 무엇인가? | 강우침식인자(Rainfall erosivity)는 운동에너지를 가지고 있는 강우가 지표면에 낙하할 때 토양을 침식하는 정도(erosivity)를 나타내는 값이다. 1965년 미국 농무부(US Department of Agriculture)가 발간한 농업핸드북 282호(Agriculture Handbook No. | |
범용토양유실공식의 강우침식인자를 산정할 때 사용하는것은? | , 2002). 단위부피당 강우운동에너지는 비체적 강우운동에너지(volume-specific kinetic energy, ekv, KEV) 또는 강우운동에너지량(Amount of rainfall kinetic energy)이라고도 하며, USLE의 강우침식인자를 산정할 때 일반적으로 사용되고 있는 값이다(Kinnell, 1981). 이때 강우운동에너지의 단위는 J/m2/mm가 되며, MJ/ha/mm의 단위로 나타내기 위해서는 J/m2/mm에 100을 곱해야 한다(Foster et al. |
Brown, L. C. and Foster, G. R. (1987). "Storm erosivity using idealized intensity distributions." Transactions of the ASAE, Vol. 30, No. 2, pp. 379-386.
Foster, G. R., McCool, D. K., Renard, K. G. and Moldenhauer, W. C. (1981). "Conversion of the universal soil loss equation to SI metric units." Journal of Soil and Water Conservation, Vol. 36, No. 6, pp. 355-359.
Foster, G. R., Yoder, D. C., Weesies, G. A., McCool, D. K., McGregor, K. C. and Bingner, R. L. (2003). RUSLE 2.0 user's guide." USDA-Agricultural Research Service, Washington D.C.
Jung, P. K., Ko, M. H., Im, J. N., Um, K. T. and Choi, D. U. (1983). "Rainfall erosion factor for estimating soil loss." Korean Journal of Soil Science and Fertilizer, Vol. 16, No. 2, pp. 112-118 (in Korean).
Kim, J. G., Yang, D. Y. and Kim, M. S. (2010). "Evaluation physical characteristics of raindrop in Anseung, Gyeonggi province." Journal of the Korean Geomorphological Association, Vol. 17, No. 1, pp. 49-57 (in Korean).
Kim, S. J., Lee, J. H., Shim, J. G. and Choi, B. C. (2017). "Analysis on the characteristics of rainfall kinetic energy at Youngpyung using PARSIVEL observation data." Proceedings of the Autumn Meeting of KMS in 2017, KMS, pp. 170-171 (in Korean).
Kinnell, P. I. A. (1981). "Rainfall intensity-kinetic energy relationships for soil loss prediction." Soil Science Society of America Journal, Vol. 45, No. 1, pp. 153-155.
Lee, J. H. (2015). "A comparative study on rainfall kinetic energy equations for Korea." Proceedings of the KWRA 2015 Conference, Korea Water Resources Association, pp. 32-36 (in Korean).
Lee, J. S. and Won, J. Y. (2013). "Analysis of the characteristic of monthly rainfall erosivity in Korea with derivation of rainfall energy equation." Journal of the Korean Society of Hazard Mitigation, KSHM, Vol. 13, No. 3, pp. 177-184 (in Korean).
Lim, Y. S., Kim, J. W., Kim, J. K. and Park, B. I. (2012). "Evaluation of kinetic energy of raindrops at Daejeon city using laser-optical disdrometer." Journal of the Korean Geomorphological Association, Vol. 19, No. 2, pp. 133-143 (in Korean).
McGregor, K. C., Bingner, R. L., Bowie, A. J. and Foster, G. R. (1995). "Erosivity index values for Northern Mississippi." Transactions of the ASAE, Vol. 38, No. 4, pp. 1039-1047.
National Disaster Management Research Institute (NDMI) (2005). A basic study on the development of the soil erosion model in the mountain area (SEMMA), p. 20 (in Korean).
Nearing, M. A., Yin, S. Q., Borrelli, P. and Polyakov, V. O. (2017). "Rainfall erosivity: An historical review." CATENA, Vol. 157, pp. 357-362.
Noe, J. K. and Kwon, S. K. (1984). "A study of the estimation of rainfall kinetic energy based on rainfall characteristics." College of Agricultural Research, Seoul National University, Vol. 9, No. 2, pp. 23-31 (in Korean).
Park, J. H., Woo, H. S., Pyun, C. K. and Kim, K. I. (2000). "A study of distribution of rainfall erosivity in USLE/RUSLE for estimation of soil loss." Journal of Korea Water Resources Association, KWRA, Vol. 33, No. 5, pp. 603-610 (in Korean).
Renard, K. G., Foster, G. R., Weesies, G. A., McCool, D. K. and Yoder, D. C. (1997). Predicting soil erosion by water: A guide to conservation planning with the revised universal soil loss equation (RUSLE), Agricultural Handbook, No. 703, U. S. Department of Agriculture, Washington, DC, USA.
Salles, C., Poesen, J. and Sempere-Torres, D. (2002). "Kinetic energy of rain and its functional relationship with intensity." Journal of Hydrology, Vol. 257, No. 1-4, pp. 256-270.
Shin, S. S, Park, S. D. and Choi, B. K. (2016). "Universal power law for relationship between rainfall kinetic energy and rainfall intensity." Advances in Meteorology, Vol. 2016, Article ID 2494681, pp. 1-11.
Van Dijk, A. I. J. M., Bruijnzeel, L. A. and Rosewell, C. J. (2002). "Rainfall intensity-kinetic energy relationships: a critical literature appraisal." Journal of Hydrology, Vol. 261, No. 1, pp. 1-23.
Wischmeier, W. H. and Smith, D. D. (1958). "Rainfall energy and its relationship to soil loss." Transactions of the American Geophysical Union, Vol. 39, No. 3, pp. 285-291.
Wischmeier, W. H. and Smith, D. D. (1965). Rainfall-erosion losses from cropland east of the Rocky Mountains-guide for selection of practices for soil and water conservation. Agriculture Handbook, No. 282, U. S. Department of Agriculture, Washington, DC, USA.
Wischmeier, W. H. and Smith, D. D. (1978). Predicting rainfall erosion losses-A guide to conservation planning. Agriculture Handbook, No. 537, U.S. Department of Agriculture, Washington, DC, USA.
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