Application of Hydrological Balance Approach to Estimate Karstic Groundwater Discharge to the Sea: Nekarood Karst Basin, Iran

Document Type : Research Paper

Authors

1 Department of Geology, Shahrood University of Technology, Shahrood, Iran

2 Department of Geology, University of Kharazmi, Tehran, Iran

Abstract

Nekarood karst basin (NRKB) is located near the southern coast of the Caspian Sea, in Mazandaran province, Iran. The recharge potential map of this karst basin was prepared by considering lithology, slope, aspect, density of streams, precipitation, density of fractures, epikarst and karst features using GIS. These factors have been weighted using information obtained from geological maps, satellite images and field investigations. The results show that the values of recharge in NRKB varies from 12 to 45%. Based on this, the total amount of annual recharge in this basin is estimated to be about 243 million cubic meters. Based on the obtained results, the annual discharge of groundwater in the area is estimated about 71 million cubic meters. Due to the fact that there is no important consumer in the NRKB, the discharges of the springs in this basin form the base flow of the river. The evaluation of the annual volume of the base flow of Nekarood River shows that it is in good agreement with the annual discharge of the springs in the area. The water budget studies in NRKB indicate that the recharge volume is significantly higher compared to its discharge. In addition, the investigations show that there are no discharge zones in adjacent areas. Due to the existence of an important fault zone in this karst basin which extends towards the sea, most likely a significant part of the recharge water in this karst basin is discharged into the sea.

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Ayalon, A., Bar- Matthews, M., Sassb, E., 1998. Rainfall-recharge relationships within a karstic terrain in the Eastern Mediterranean semi-arid region, Israel: 18O and D characteristics. Journal of Hydrol, 207:18-31.
Agha- Nabati, A., 2004. Geology of Iran. Geological Survey of Iran. (In Persian) Alavi, M., 1991. Sedimentary and Structural Characteristics of the Paleo-Tethys Remnants in Northeastern Iran. Geology Society of American, 103: 983.
Bonacci, O., 2001. Monthly and annual effective infiltration coefficients in Dinaric karst: example of the Gradole karst spring catchment. Hydrological Science-Journal-des Sciences Hydrologiques, 46:287-299.
Chongxun, M., Mengxiang, B., Shufeng, L., Juan, D., Peiyu T., Zhenxiang, X., Gang, T., Lingguang, L., 2023. Impact of Future Climate and Land Use Changes on Runoff in a Typical Karst Basin, Southwest China, Journal of Water, 15:2240.
Ford, D.C., Williams, P.W., 2007. Karst Hydrogeology and Geomorphology. John Wiley & Sons Ltd, The Atrium, Southern Gate, Chichester.
Freeze, R. A., Cherry, J. A., 1979. Groundwater. Prentice-Hall, Englewood Cliffs, 604 pp
Jemcov, I., Petric, M., 2009. Measured precipitation vs. effective infiltration and their influence on the assessment of karst systems based on results of the time series analysis. Journal of Hydrology, 379 (3): 304-314
Hao, Z., Gao, Y., Green, S.M., Wen, X.F., Yang, J., Xiong, B.L., Quine, T.A., He, N.P., 2021. Chemical Characteristics of Flow Driven by Rainfall and Associated Impacts on Shallow Groundwater Quality in a Karst Watershed, Southwest China. Environ. Prog, 8: 615-636.
Hou, G., Bi, H., Huo, Y., Wei, X., Zhu, Y., Wang, X., Liao, W., 2020. Determining the optimal vegetation coverage for controlling soil erosion in Cynodon dactylon grassland in North China. Journal of Cleaner Production, 244.
Karami, G. H., Bagheri, R., Rahimi, F., 2016. Determining the groundwater potential recharge zone and karst springs catchment area: Saldoran region, western Iran. Hydrogeology Journal, 24(8): 1981-1992.
Kastning, E. H., 1977. Faults as positive and negative influence on groundwater flow and conduit enlargement, In: hydrologic problem in karst regions, ed. by Dilamarter, R. r., & Csallany, S. C., Western Kentucky University. Bowling Green Kentucky.
McGuire, K.J., McDonnell, J.J., Weiler, M., Kendall, C., McGlynn, B.L., Welker, J.M., Seibert, J., 2005. The role of topography on catchment-scale water residence time. Water Resour Research, 41 (5):1- 14.
Merz, R., Bloschl, G., 2009. A regional analysis of event runoff coefficients with respect to climate and catchment characteristics in Austria. Water Resour. Res, 45 (1): 1-19.
Milanovic, P. T., 1981. Karst hydrogeology .Water Resources Publications .434 pp.
Milewski, A., Sultan, M., Yan, E., Becker, R., Abdeldayem, A., Soliman, F., Gelil, K. A., 2009. A remote sensing solution for estimating runoff and recharge in arid environments. Journal of Hydrology, 373(1): 1- 14.
Nabavi, M.H., 1976. An introduction to the geology of Iran, Geological survey of Iran. (in Persian) Nogole-Sadat, M.A.A., Almasian, M., 1993. Tectonic Map of Iran in 1:1000000 Scale. Geological Survey of Iran, Tehran.
Radulovic, M., Stevanovic, Z., Radulovic, M., 2012. A new approach in assessing recharge of highly karstified terrains-Montenegro case studies. Environmental Earth Sciences, 65(8): 2221-2230.
Singhal, V., Goyal, R., 2012. A methodology based on spatial distribution of parameters for understanding affect of rainfall and vegetation density on groundwater recharge. European Journal of Sustainable Development, 1 (2): 85- 96.
22. Stocklin, J., 1968. Structural history and tectonics of Iran: a review. American Association of Petroleum Geologists Bulletin, 52: 1229-1258.
Tweed, S. O., Leblanc, M., Webb, J. A., Lubczynski, M. W., 2007. Remote sensing and GIS for mapping groundwater recharge and discharge areas in salinity prone catchments. southeastern Australia, Journal of Hydrology, 15:75- 96.
Liu, F., Wang, S., Wang, L.S., Shi, L.M., Song, X.F., Yeh, T.C., Zhen, P.N., 2019. Coupling
hydrochemistry and stable isotopes to identify the major factors affecting groundwater geochemical evolution in the Heilongdong Spring Basin, North China. Journal of Geochem. Explor, 205: 106352.
Sang, L., Zhu, G., Qiu, D., Zhang, Z., Liu, Y., Zhao, K., Sun, Z., 2022. Spatial variability of runoff recharge sources and influence mechanisms in an arid mountain flowproducing zone. Hydrological Processes, 36 (8): e14642.
Tromp-van Meerveld, H.J., McDonnell, J.J., 2006. Threshold relations in subsurface stormflow: 2. The fill and spill hypothesis. Water Resour Research, 42 (2):1-11.
Yingzhong, L., Qiuwen, Z., Dawei, P., Weihong, Y., Mantong. Z., 2023. Key influence of hydrogeological, geochemical, and geological structure factors on runoff characteristics in karst catchments. Journal of Hydrology, 623: 129852.
You, Y., Liu, J., Zhang, Y., Beck, H.E., Gu, X., Kong, D., 2021. Impacts of El Nino˜ -southern oscillation on global runoff: Characteristic signatures and potential mechanisms. Hydrological Processes, 35 (10): e14367
Zhang, Z., Chen, X., Huang, Y., Zhang, Y., 2014. Effect of catchment properties on runoff coefficient in a karst area of southwest China. Hydrological Processes, 28 (11): 3691-3702.
Zheng, Y., Huang, Y., Zhou, S., Wang, K., Wang, G., 2018. Effect partition of climate and catchment changes on runoff variation at the headwater region of the Yellow River based on the Budyko complementary relationship. Science of The Total Environment, 643: 1166-1177.
Zhu, Q., Liang, R., Jin, H., Wang, X.Z., 2013. Runoff simulation in the Arashi River Basin based on SWAT model. Water Resour, 31: 25-27.
Yingzhong, L., Qiuwen, Z., Dawei, P., Weihong, Y., Mantong. Z., 2023. Key influence of hydrogeological, geochemical, and geological structure factors on runoff characteristics in karst catchments. Journal of Hydrology, 623: 129852.

Articles in Press, Accepted Manuscript
Available Online from 31 May 2025
  • Receive Date: 13 February 2025
  • Revise Date: 30 April 2025
  • Accept Date: 31 May 2025