In this study, geographic information system (GIS)-based, analytic hierarchy process (AHP) techniques were used to identify groundwater potential zones to provide insight to decisionmakers and local authorities for present and future planning. Ten different geo-environmental factors, such as slope, topographic wetness index, geomorphology, drainage density, lithology, lineament density, rainfall, soil type, soil thickness, and land-use classes were selected as the decision criteria, and related GIS tools were used for creating, analysing and standardising the layers. The final groundwater potential zones map was delineated, using the weighted linear combination (WLC) aggregation method. The map was spatially classified into very high potential, high potential, moderate potential, low potential, and very low potential. The results showed that 21.5% of the basin area is characterised by high to very high groundwater potential. In comparison, the very low to low groundwater potential occupies 57.15%, and the moderate groundwater potential covers 21.4% of the basin area. Finally, the GWPZs map was investigated to validate the model, using discharges and depth to groundwater data related to 22 wells scattered over the basin. The validation results showed that GWPZs classes strongly overlap with the well discharges and groundwater depth located in the given area.

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The aim of this study was to investigate natural and anthropogenic processes governing the chemical composition of alkaline groundwater within a fractured rock (ophiolitic mélange) aquifer underlying a seasonally inhabited headwater area in the Aladaglar Range (Adana, Turkey). In this aquifer, spatiotemporal patterns of groundwater flow and chemistry were investigated during dry (October 2011) and wet (May 2012) seasons utilizing 25 shallow hand-dug wells. In addition, representative samples of snow, rock, and soil were collected and analyzed to constrain the PHREEQC inverse geochemical models used for simulating waterrock interaction (WRI) processes. Hydrochemistry of the aquifer shows a strong interseasonal variability where Mg-HCO 3 and Mg-Ca-HCO 3 water types are prevalent, reflecting the influence of ophiolitic and carbonate rocks on local groundwater chemistry. R-mode factor analysis of hydrochemical data hints at geochemical processes taking place in the groundwater system, that is, WRI involving Ca-and Si-bearing phases; WRI involving amorphous oxyhydroxides and clay minerals; WRI involving Mg-bearing phases; and atmospheric/anthropogenic inputs. Results from the PHREEQC modeling suggested that hydrogeochemical evolution is governed by weathering of primary minerals (calcite, chrysotile, forsterite, and chromite), precipitation of secondary minerals (dolomite, quartz, clinochlore, and Fe/Cr oxides), atmospheric/anthropogenic inputs (halite), and seasonal dilution from recharge.

This study investigates the impacts of climate change on the hydrological response of a Mediterranean mesoscale catchment using a hydrological model. The effect of climate change on the discharge of the Alata River Basin in Mersin province (Turkey) was assessed under the worst-case climate change scenario (i.e., RCP8.5), using the semi-distributed, process-based hydrological model Hydrological Predictions for the Environment (HYPE). First, the model was evaluated temporally and spatially and has been shown to reproduce the measured discharge consistently. Second, the discharge was predicted under climate projections in three distinct future periods (i.e., 2021–2040, 2046–2065 and 2081–2100, reflecting the beginning, middle and end of the century, respectively). Climate change projections showed that the annual mean temperature in the Alata River Basin rises for the beginning, middle and end of the century, with about 1.35, 2.13 and 4.11 °C, respectively. Besides, the highest discharge timing seems to occur one month earlier (February instead of March) compared to the baseline period (2000–2011) in the beginning and middle of the century. The results show a decrease in precipitation and an increase in temperature in all future projections, resulting in more snowmelt and higher discharge generation in the beginning and middle of the century scenarios. However, at the end of the century, the discharge significantly decreased due to increased evapotranspiration and reduced snow depth in the upstream area. The findings of this study can help develop efficient climate change adaptation options in the Levant’s coastal areas.

ÖZAsbest, lifsi yapıda olup elektrik ve ısı yalıtım özelliğinden dolayı birçok teknolojik üründe kullanılan doğal bir silikat mineralidir. 3000'den fazla endüstriyel üründe kullanılan asbestin özellikle basınca dayanıklı su boruları, kaplama malzemeleri, contalar, fren balataları, çeşitli plastik ürünler, boyalar, filtreler, yüksek ısıya dayanıklı giysiler, kâğıt ürünleri ve uzay araçlarındaki kullanımı yaygındır. Başta Avrupa Birliği ülkeleri olmak üzere, gelişmiş birçok ülkede asbest içeren ürünlerin üretimi ve kullanımı insan sağlığına olumsuz etkilerinden dolayı yasaklanmıştır. Ancak asbestli ürünlerin üretiminin yasaklanmadığı bazı ülkelerde asbestli tüketim malları hala üretilmekte ve dünyanın çeşitli ülkelerine ihraç edilmektedir. Bu çalışma, 2011-2014 yılları arasında Çin Halk Cumhuriyeti'nden ülkemize ithalat yoluyla giriş yapan bazı ürünlerin asbest içeriklerinin belirlenmesi amacıyla yapılmıştır. Çalışma kapsamında değişik tür ve ebatta yapay çiçek, seramik vazo ve değişik araçlara ait fren balatalarının asbest içerip içermedikleri polarize ışık mikroskobu ve taramalı elektron mikroskobu teknikleri kullanılarak araştırılmıştır. Çalışma sonucunda yapay çiçek ve seramik vazoların asbest minerali içermediği, buna karşılık bazı araç fren balatalarının yüksek oranda asbest minerali içerdiği belirlenmiştir. Sonuç olarak, asbestli ürünlerin üretiminin ve uluslararası ticaretinin yasaklanması, başta akciğer ve akciğer zarı kanseri olmak üzere, birçok sağlık probleminin engellenmesi açısından büyük önem arz etmektedir.Anahtar Kelimeler: Asbest yasağı, fren balatası, polarize ışık mikroskobu, taramalı elektron mikroskobu ASBESTOS BAN IN TURKEY AND INVESTIGATION OF ASBESTOS MINERALS IN SOME IMPORTED PRODUCTS ABSTRACTAsbestos, a natural silicate mineral having a fibrous structure, is used in a lot of technological products due to its electrical and heat insulation properties. Asbestos is known to be used in more than 3000 industrial products, including pressure-resistant water pipes, coating materials, gaskets, brake pads, various plastic products, paints, filters, heat proof clothing, paper products and space crafts. Use and manufacturing of products containing asbestos have been banned in several developed nations, particularly in the European Union, due to its negative effects on the human health. Nevertheless, in some countries, where manufacturing of asbestos containing products have not been banned, consumer's goods containing asbestos are still manufactured and exported to various parts of the world. The purpose of this study was to determine the presence of asbestos in some consumer's goods entering in our country via importation from the People's Republic of China between the years 2011-2014. Within the scope of this study, various types and sizes of artificial flowers, ceramic vases and brake pads belonging to different vehicles were investigated using polarized light microscope and scanning electron microscope to confirm the presence of asbestos. Results of this study have shown that artificial flowers...