Küpeli, Şuayip

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Kupeli, Suayip
Küpeli̇, Şuayip
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skupeli@ktun.edu.tr
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02.07. Department of Geological Engineering
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Former Staff
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13

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2

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4

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JournalCount
Hittite Journal of Science and Engineering1
Journal of Environmental Science and Health Part A-Toxic/Hazardous Substances & Environmental Engineering1
Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi1
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Scholarly Output Search Results

Now showing 1 - 10 of 13
  • Conference Object
    Akkise-yalıhüyük (konya) Bölgesinin Bazı Tektonik Özellikleri
    (2019) Turan, Ahmet; Küpeli, Şuayip
  • Conference Object
  • Article
    Assessment of Accumulation, Spatial Distribution and Sources of Potentially Toxic Elements (PTEs) in Sediments of a Saline Lake
    (Taylor & Francis Inc, 2025) Huseyinca, Mehmet Yavuz; Kupeli, Suayip
    Potentially Toxic Elements (PTEs) are hazardous for human and ecosystem health due to their non-biodegradable nature. In this study we investigated the concentrations of PTEs, including As, Co, Cr, Cu, Mn, Mo, Ni, Pb and V in sediments of Lake Tuz around the salt pans for possible contamination. Lake Tuz is a shallow saline lake where halite (table salt) production is carried out in the salt pans and has significant geo and eco-tourism potential due to its unique ecosystem and natural beauty. The extent of pollution level and ecological risk were evaluated by geochemical indices and guideline values. According to the Geoaccumulation Index (Igeo), Enrichment Factor (EF) and Contamination Factor (Cf) indices Cr, Mo, As and occasionally Ni accumulated in moderate to strong levels. Intensity maps of Pollution Load Index (PLI) and Modified Degree of Contamination (mCdeg) indicated pollution hotspots in the neck region and in the eastern shore of the lake respectively. The Potential Ecological Risk Index (PERI) values indicated low and moderate levels of ecological risk. Statistical analyses including Pearson Correlation Coefficient (PCC), Hierarchical Cluster Analysis (HCA) and Principal Component Analysis (PCA) suggested that Co, Cr, Cu, Mn, Mo, Ni and V are of geogenic origin and As and Pb are of anthropogenic origin. Provenance analysis suggested that host rocks for geogenic PTEs were granodiorites and ophiolites situated in the catchment area of the lake. Anthropogenic PTEs were most likely related to agrochemicals used in surrounding farmlands.
  • Conference Object
    Akkise-yalıhüyük (konya) ve Çevresinin Tektono-stratigrafisi
    (2019) Turan, Ahmet; Küpeli, Şuayip
  • Master Thesis
    Attepe (mansurlu-feke-adana) Yöresindeki Erken Kambriyen Yaşlı Siyah Renkli Şeyl ve Karbonatların Hidrokarbon Potansiyelinin Değerlendirilmesi
    (Konya Teknik Üniversitesi, 2023) Takey, Wasil İbrahim; Küpeli̇, Şuayip
    Bu çalışmada Doğu Toroslar'ın batısında, Attepe (Mansurlu-Feke-Adana) yöresinde yüzeyleyen Erken Kambriyen yaşlı Attepe formasyonuna ait gri-siyah renkli çamurtaşı-şeyl-karbonat birimlerinin organik jeokimyasal özeliklerinin belirlenerek hidrokarbon potansiyelinin değerlendirilmesi amaçlanmıştır. Örneklerin toplam organik karbon (TOC) miktarı %0,07 ila 4,58 (ortalama %1,83) arasında değişmektedir. Bu değerler iyi-mükemmel ana kayaç potansiyeline işaret etmektedir. Buna karşın S1 değerleri 0,01 ila 0,02 mg HC/g kaya (ortalama 0,014 mg HC/g kaya) arasında; S2 değerleri ise 0,02 ile 0,06 mg HC/g kaya (ortalama 0,039 mg HC/g kaya) arasında değişmektedir. Bu değerler ise zayıf kaynak kayaç özelliklerine işaret etmektedir. Ayrıca düşük hidrojen (1-50; ortalama 10,5 HC/g TOC) ve düşük oksijen (4-157; ortalama 29,8 CO2/g TOC) indeks değerleri de incelenen örneklerin hidrokarbon üretme potansiyelinin düşük olduğunu göstermektedir. HI-Tmax ve S2-TOC diyagramlarında örnekler Tip Ⅲ ve Tip Ⅳ kerojen alanlarına düşmektedir. Tmax değerleri de 407 ile 442 mgHC/g arasında değişmektedir. Elde edilen PI ve Tmax değerlerine göre, incelenen ana kayaç örnekleri olgun-aşırı olgun aşamadadır. Tüm bu veriler Attepe formasyonunun esas olarak kuru gaz ve kısmen de petrol üretebilecek zayıf bir ana kayaç özelliğine sahip olduğunu göstermektedir. XRD analiz sonuçları incelenen örneklerin çok fazla kil içermediğini ve esas olarak kuvars, kalsit-dolomit ve feldispat minerallerinden oluştuğunu göstermektedir. Bu mineralojik bileşim örneklerin hidrolik kırma işlemlerine çok uygun olduğunu gösterir. TOC içeriği ana kayaç kriterlerine oldukça uygun olan örneklerin hidrokarbon üretme potansiyeli açısından zayıf olması, yöredeki hidrotermal demir yataklarınının oluşumu sırasında etkili olan kısmi alterasyon süreçleri ile ilişkili olabilir.
  • Article
    Mineralogy and Geochemistry of Sediments From Lake Tuz
    (2021) Hüseyinca, Mehmet Yavuz; Küpeli, Şuayip
    Lake Tuz is in a closed basin, in the center of the Anatolia (Turkey). The lake has shallow hypersaline water. In this study, mineralogical and geochemical features of the lake sediments sampled by core drillings were investigated. Halite, polyhalite, calcite, magnesite, dolomite, huntite, quartz, and albite minerals were found in bulk sample and montmorillonite and vermiculite minerals were found in the clay fraction XRD analyzes. In geostatistical evaluations, elements are divided into four clusters. These clusters are named as Clastic, Hydrothermal, Evaporite-carbonate and Evaporite-sulphate. Trace elements included in the clastic cluster were used to interpret provenance. The Light Rare Earth Element (LREE) enriched chondrite normalized average REE pattern suggests a cratonic provenance for the lake sediments except for the low negative Eu anomaly. Trace element ratios of La/Sc, La/Co, Th/Sc, Th/Co, Zr/Sc, Zr/Co, Ba/Sc, and Ba/Co, which are critical for provenance, show a provenance in a “felsic-intermediate magmatic” composition. According to the La-Th-Sc diagram, the tectonic setting of the source area was found as "Continental Island Arc".
  • Article
    Geochemistry of Upper Eocene-Oligocene sandstones from Tuzgölü Basin (Central Anatolia)
    (2022) Hüseyinca, Mehmet Yavuz; Küpeli, Şuayip
    In this study, mineralogical and geochemical features of Upper Eocene-Oligocene sandstones exposed by the Tuzgölü Fault Zone (TFZ) at the eastern border of the Tuzgölü Basin were investigated. The absence of zircon enrichment in the Zr/Sc-Th/Sc diagram indicated no sedimentary recycling. This shows that the sandstones are first cycle sediments, that is, the material transported directly from the source. Critical element ratios for provenance such as La/Sc, La/Co, Th/Sc, Th/Co, Th/Cr, Zr/Sc, Zr/Co, Ba/Sc, and Ba/Co, Th/Sc-Eu/Eu* diagram and average Rare Earth Element (REE) pattern suggest a provenance in “intermediate magmatic” composition. The variation in the negative Ce anomaly effect observed between the lower and upper parts of the sequence indicates variation in the oxygen level of the water. In each of the La-Th-Sc, Th-Co-Zr/10, and Th-Sc-Zr/10 tectonic setting discrimination diagrams, the sandstone average fell onto the “Continental Island Arc” position. This tectonic setting defines the arc that developed along the continental margin of the subduction zone. The tectonic setting found for the basin, supported the evolution model that the Tuzgölü Basin developed as a fore-arc basin.