Spatio-Temporal Trend Analysis of the Depth and Salinity of the Groundwater, Using Geostatistics Integrated with GIS, of the Menemen Irrigation System, Western Turkey

Q3 Environmental Science

Ekoloji Pub Date : 2013-03-31 DOI:10.5053/EKOLOJI.2013.865

B. S. Karataş, G. Çamoğlu, M. Ölgen

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引用次数: 12

Abstract

A rise in the level of the water table to the effective root zone results in decreasing yields because of salinity and sodicity, and eventually such areas cannot be cultivated. For sustainable irrigated agriculture, the salinity and level of the water table should be monitored continuously and held within tolerable limits. The aim of this study was to evaluate spatial and temporal changes in the salinity and level of the water table in the command area of the Menemen Irrigation System for the years 1995-2006 using geostatistical methods integrated with GIS. The salinity and level of the water table in the study area were evaluated in terms of both spatial and temporal variation. Trend analyses of these values were performed using the Mann-Kendall test. The non-parametric Sen’s Slope Estimator was used to calculate the magnitudes of the trends. A risk map of the study area was formed by performing geostatistical analyses by GIS, based on the intensity of the trend. It was observed that there was no current problem with the depth and salinity of the groundwater in the study area in general, but that there would be a potential risk of a problem in the future.

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基于GIS的土耳其西部Menemen灌溉系统地下水深度和盐度时空趋势分析

由于含盐量和碱度的影响，地下水位上升到有效根区会导致产量下降，最终这些地区无法耕种。为了可持续灌溉农业，应持续监测地下水位和盐度，并将其控制在可容忍的范围内。本研究的目的是利用地理统计学方法与GIS相结合，评价1995-2006年孟门门灌溉系统指挥区内地下水位和盐度的时空变化。对研究区地下水位和盐度的时空变化进行了评价。使用Mann-Kendall检验对这些值进行趋势分析。使用非参数Sen斜率估计器来计算趋势的大小。基于趋势强度，利用GIS进行地质统计分析，形成了研究区域的风险图。有人指出，目前一般来说，研究地区地下水的深度和盐度没有问题，但将来可能会出现问题。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Ekoloji 环境科学-生态学

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Cessation. Ekoloji is an international journal that focuses on papers that report results from original research on all disciplines engaged in the field of environmental research. We welcome articles that cover the entire spectrum of environmental problems and environmental pollutants, whether chemical, biological or physical. Its coverage extends to all environmentally related issues: air and water pollution, solid waste, noise, recycling, natural resources, ecology and environmental protection. It includes articles on basic and applied environmental pollution research, including environmental engineering and environmental health. All types of pollution are covered, including atmospheric pollutants, detergents, fertilizers, industrial effluents, metals, mining wastes, oil, pesticides, plastics, radioactive materials and sewage. It also includes research papers on ecological and environmental issues such as climate change, biodiversity. The primary criteria for publication are scientific quality and ecological/environmental significance. The journal will be read and contributed to by biologists, applied ecologists, environmental scientists, natural resource specialists, environmental engineers, environmental health specialists, agro-ecologists, veterinaries, agricultural engineers, landscape planners and designers. The journal welcomes full "research papers" and short "research notes", only in the English language.