Acknowledgement
본 연구는 K-water 과제 "낙동강하구 염지하수의 연직 프로파일링 기술 시범 적용 연구(과제번호: G220571)"의 일환으로 수행되었으며, 또한 국립환경과학원의 농축산지역 지하수 중 질산성질소 수질관리 개선사업(V)의 지원을 받아 수행하였습니다(NIER-2020-04-02-052).
References
- Bosch, D.D., Sheridan, J.M., and Lowrance, R.R. (1996). "Hydraulic gradients and flow rates of a shallow coastal plain aquifer in a forested riparian buffer." Transactions of the ASAE, Vol. 39, No. 3, pp. 865-871. https://doi.org/10.13031/2013.27571
- Cole, B.E., and Silliman., S.E. (1996). "Estimating the horizontal gradient in heterogeneous, unconfined aquifers: Comparison of three-point schemes." Groundwater Monitoring & Remediation, Vol. 16, No. 2, pp. 84-91. https://doi.org/10.1111/j.1745-6592.1996.tb00128.x
- Devlin, J.F. (2003). "A spreadsheet method of estimating best-fit hydraulic gradients using head data from multiple wells." Groundwater, Vol. 41, No. 3, pp. 316-320. https://doi.org/10.1111/j.1745-6584.2003.tb02600.x
- Devlin, J.F., and McElwee, C.D. (2007). "Effects of measurement error on horizontal hydraulic gradient estimates." Groundwater, Vol. 45, No. 1., pp. 62-73. https://doi.org/10.1111/j.1745-6584.2006.00249.x
- Hahn, J.S. (1998). Groundwater environment and pollution, Pakyoungsa, pp. 107-111.
- Kim, T.Y., Kang, D.H., Kim, S.S., and Kwon, B.H. (2009). "Variation characteristics of hydraulic gradient and major flow direction in the landfill soils." Journal of the Environmental Sciences, Vol. 18, No. 3, pp. 315-323.
- McDonald, J.P. (2021). "Measuring a low horizontal hydraulic gradient in a high transmissivity aquifer." Groundwater, Vol. 59, No. 5, pp. 694-709. https://doi.org/10.1111/gwat.13091
- McKenna, S.A., and Wahi, A. (2006). "Local hydraulic gradient estimator analysis of long-term monitoring networks." Groundwater, Vol. 44, No. 5, pp. 723-731. https://doi.org/10.1111/j.1745-6584.2006.00211.x
- Park, K.D., Kang, D.H., Jo, W.G., Shin, I.K., Oh, Y.Y., Kim, M.S., and Kim, H.K. (2023). "Seasonal variation of hydraulic gradient according to rainfall in unconfined aquifer: Hyogyo-ri." Journal of Environmental Science International, Vol. 32, No. 5, pp. 303-313. https://doi.org/10.5322/JESI.2023.32.5.303
- Rau, G.C., Post, V.E.A., Shanafield, M., Krekeler, T., Banks, E.W. and Blum, P. (2019). "Error in hydraulic head and gradient time-series measurements: A quantitative appraisal." Hydrology and Earth System Sciences, Vol. 23, No. 9, pp. 3603-3629. https://doi.org/10.5194/hess-23-3603-2019
- Serfes, M.E. (1991). "Determining the mean hydraulic gradient of ground water affected by tidal fluctuations." Groundwater, Vol. 29, No. 4, No. 549-555. https://doi.org/10.1111/j.1745-6584.1991.tb00546.x
- Wang, C., Wang, B., Wang, Y., Wang, Y., Zhang, W., and Yan, Y. (2019). "Impact of near-surface hydraulic gradient on the interrill erosion process." European Journal of Soil Science, Vol. 71, No. 4, pp. 598-614.
- Zhang, Y., Cao, W., Wang, W., and Dong, Q. (2013). "Distribution of groundwater arsenic and hydraulic gradient along the shallow groundwater flow-path in Hetao Plain, Northern China." Journal of Geochemical Exploration, Vol. 135, pp. 31-39. https://doi.org/10.1016/j.gexplo.2012.12.004