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Information Journal Paper

Title

EFFECT OF MONITORING TIME INTERVAL ON THE RESULTS OF STOCHASTIC ANALYSIS OF KARST WATER RESOURCES

Pages

  387-399

Abstract

 Data monitoring is important in the study and analysis of hydrological behaviors of KARSTic systems. Monitoring shows the various regimes of groundwater flow (laminar or turbulent), depletion, filling, filtration and KARSTification degree of KARST aquifers. In recent years, analyses of these data had considerable advances using stochastic TIME SERIES analyses. An important problem related to these analyses is the constraint of financial and technical human support. If we can increase the time intervals, the costs are lowered and development of new monitoring networks will be possible. In this research, the effect of monitoring time intervals on the results of TIME SERIES analysis and calculated hydrologic DELAY TIMEs are studied, using bivariate analyses in spectral domain. The first (shorter) and the second (longer) DELAY TIMEs are related to the flow of groundwater through the larger and smaller fractures of the KARSTic system, respectively. Daily groundwater level data of three piezometers and the discharge of a spring in the Maharlu KARST basin in Iran ( 52o12′ to 53o28′E and 29o1′ to 30o6′N ) were acquired and then six different TIME SERIES having different time intervals (1, 3, 7, 10, 14 and 30 days) were extracted and analyzed. The results show that the variation of the computed stochastic parameters with increasing time intervals is unpredictable, but the variation of time (period) corresponding to the frequency at the peak of AMPLITUDE function (curve) shows a linear and predictable relationship, which is unique for every kind of KARSTic aquifer having different degrees of KARSTification.

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    • Cite

    APA: Copy

    ZARE, M., NEMATOLLAHI, A.R., & RAHNEMAEI, M.. (2005). EFFECT OF MONITORING TIME INTERVAL ON THE RESULTS OF STOCHASTIC ANALYSIS OF KARST WATER RESOURCES. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A- SCIENCE, 29(A3), 387-399. SID. https://sid.ir/paper/531905/en

    Vancouver: Copy

    ZARE M., NEMATOLLAHI A.R., RAHNEMAEI M.. EFFECT OF MONITORING TIME INTERVAL ON THE RESULTS OF STOCHASTIC ANALYSIS OF KARST WATER RESOURCES. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A- SCIENCE[Internet]. 2005;29(A3):387-399. Available from: https://sid.ir/paper/531905/en

    IEEE: Copy

    M. ZARE, A.R. NEMATOLLAHI, and M. RAHNEMAEI, “EFFECT OF MONITORING TIME INTERVAL ON THE RESULTS OF STOCHASTIC ANALYSIS OF KARST WATER RESOURCES,” IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A- SCIENCE, vol. 29, no. A3, pp. 387–399, 2005, [Online]. Available: https://sid.ir/paper/531905/en

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