USE OF GEOSTATISTICS IN EVALUATION OF GROUNDWATER QUALITY MONITORING NETWORKS

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GHAHRAMAN B.; HOSSEINI SEYED MAHMOUD; ASGHARI H.R.

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Journal: AMIRKABIR Year:2003 | Volume:14 | Issue:55-E Page(s): 971-972

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Information Journal Paper

Title

USE OF GEOSTATISTICS IN EVALUATION OF GROUNDWATER QUALITY MONITORING NETWORKS

Author(s)

GHAHRAMAN B. | HOSSEINI SEYED MAHMOUD | ASGHARI H.R. | Issue Writer Certificate

Keywords

GEOSTATISTICSQ3

KRIGINGQ4

NETWORK DESIGNQ4

GROUNDWATERQ4

NITRATEQ3

ELECTRICAL CONDUCTIVITYQ2

MASHHADQ4

Abstract

At present about 90% of MASHHAD water consumption is supplied by deep wells. This high level of consumption indicates the importance for monitoring GROUNDWATER quality in this area. There is a need for a dense network to be able to extend the point data to unpaged locations. The adequacy; of MASHHAD water supply deep well network for monitoring NITRATE and ELECTRICAL CONDUCTIVITY (EC) has been investigated in this research by KRIGING which is an optimal interpolation technique based on spatial structure of data. An exponential model of semivariogram was fitted to NITRATE data (after removing its trend by a second order equation) while EC data showed a linear-sill one. On the whole NITRATE was more variable than EC with higher error of estimate. However the error maps showed that the variation of error was not so great in the study area for both parameters. Three new well locations were proposed for decreasing the maximum error of estimates. These locations were around the boundaries of the study and reduced the maximum error by less than 3%. Such a reduction is quite insignificant; illustrating that based on the available data the performance of the present network cannot be improved. Despite this the need for an optimum: network with a better spatial and temporal distribution is felt

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APA: Copy

GHAHRAMAN, B., HOSSEINI, SEYED MAHMOUD, & ASGHARI, H.R.. (2003). USE OF GEOSTATISTICS IN EVALUATION OF GROUNDWATER QUALITY MONITORING NETWORKS. AMIRKABIR, 14(55-E), 971-972. SID. https://sid.ir/paper/711/en

Vancouver: Copy

GHAHRAMAN B., HOSSEINI SEYED MAHMOUD, ASGHARI H.R.. USE OF GEOSTATISTICS IN EVALUATION OF GROUNDWATER QUALITY MONITORING NETWORKS. AMIRKABIR[Internet]. 2003;14(55-E):971-972. Available from: https://sid.ir/paper/711/en

IEEE: Copy

B. GHAHRAMAN, SEYED MAHMOUD HOSSEINI, and H.R. ASGHARI, “USE OF GEOSTATISTICS IN EVALUATION OF GROUNDWATER QUALITY MONITORING NETWORKS,” AMIRKABIR, vol. 14, no. 55-E, pp. 971–972, 2003, [Online]. Available: https://sid.ir/paper/711/en

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