Yazar "Yümün, Zeki Ünal" için Araştırma Çıktıları | TR-Dizin | WoS | Scopus | PubMed listeleme
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Analysis and Correlatıon of Element Concentratıons of Marine Sediments between Silivri (İstanbul) and Dardanelles by ICP-OES and LIBS Methods
Yümün, Zeki Ünal; Kam, Erol (2019)In this work, the LIBS (Laser Induced Breakdown Spectroscopy) and ICP-OES (Inductively Coupled Plasma-Optical EmissionSpectrometer) technique applied to the determination of total concentration of some elements (Fe, Zn, ... -
Concentrations of environmental radioactivity in sediment cores from kulakcayiri lake
Kam, Erol; Yümün, Zeki Ünal; Açıkgöz, G.; Bayrak, Kübra (Turkish Chemical Society, 2018)This paper is about measurements of environmental radioactivity in samples taken from a lake bed and from different depths. The study is based on gamma spectrometric analysis of some radioisotopes encountered in sediment ... -
Determination of Dil Stream Contamination By Benthic Foraminifera and Molluscs in Bayramoglu Coasts (Tuzla-Istanbul, Turkey)
Yümün, Zeki Ünal; Meriç, Engin; Barut, İpek F.; Nazik, Atike; Avşar, Niyazi; Yokeş, Baki; Kaya, Seyhan (Parlar Scientific Publications (P S P), 2017)This study investigates the drill core 3.00 m in length obtained from DSK-3 drilling carried out in the depth of 10:00 m in the southeast of Tuzla (Istanbul) and in the northwest of Bayramoglu in order to present the marine ... -
Drilling and core data from the Gulf of Gemlik (SE Sea of Marmara): Holocene fauna and flora assemblages
Meriç, Engin; Yümün, Zeki Ünal; Nazik, Atike; Sağular, Enis Kemal; Yokes, M. Baki; Büyükmeriç, Yeşim; Yavuzlar, Gülin (Maden Tetkik Ve Arama Genel Mudurlugu-Mta, 2020)This study was conducted to determine fauna and flora assemblages of Holocene sequences from Gemlik Gulf (SE Marmara Sea) and to obtaine their similarities and differences between the assemblages of Gemlik and Izmit Bays. ... -
Ecological analysis of heavy metal and radioactivity potential of Holocene sediments in Iznik Lake
Yümün, Zeki Ünal; Kam, Erol (Inst Nuclear Chemistry Technology, 2019)In this study, the heavy metal and radioactive properties of Iznik Lake were investigated. Concentration values of the first (Ag, Bi, Mo, Sn, Se, Zn, As, B, Cd, Co, Cr, Cu, Ni, Pb, Pt and Sb) and second (Na, Mg, K, Ca, P, ... -
The effect of heavy metal pollution on foraminifera in the Western Marmara Sea (Turkey)
Yümün, Zeki Ünal (Pergamon-Elsevier Science Ltd, 2017)The aim of this study was to investigate the effects of heavy metals on foraminiferal assemblages in Holocene sediments in the western Marmara Sea. Accordingly, four drilling samples, one in Bandirma (Balikesir/Turkey), ... -
Effects of radionuclides on the recent foraminifera from the clastic sediments of the Canakkale Strait-Turkey
Yümün, Zeki Ünal; Kam, Erol (Pergamon-Elsevier Science Ltd, 2017)The radionuclides that cause radioactivity accumulate in the sediments as they descend to the seabed, similar to heavy metals. As radionuclides are present on the surface of the sediment or within the sediment, marine ... -
Exposed Gamma Doses in air and Assessment of Cancer Risk around Gebze (Kocaeli/Turkey) Region
By this study, it is focused to assessment of inhalation quality for Kocaeli province especially Northeast side of Marmara Sea (Gebze county and its territory). In this case, radioactivity analysis in air was realized via ... -
Fauna and flora of drilling and core data from the Iznik Lake: the Marmara and the Black Sea connection
Meriç, Engin; Nazik, Atike; Yümün, Zeki Ünal; Büyükmeriç, Yeşim; Avşar, Niyazi; Yıldız, Ayşegül; Gokasan, Erkan (Pergamon-Elsevier Science Ltd, 2018)The study deals with on the Quaternary connection of the Iznik Lake between the Gemlik Gulf and the Black Sea located in the Marmara Region. The core and drilling data were evaluated. They were collected at two locations ... -
Gamma Dose Values of Stratigraphic Units of Behramkale (Çanakkale) - Zeytinli (Edremit-Balikesir) Section of Kaz Mountains
Yümün, Zeki Ünal; Kam, Erol; Önce, Melike (Turkish Chemical Society, 2020)In this study, gamma dose values were measured at 25 locations around a distance of 60 km parallel to the Aegean Sea in Güre, Küçükkuyu and Kazdağı regions. These measurements were made by keeping the Eberline Smart Portable ... -
GAMMA DOSE VALUES OF STRATIGRAPHIC UNITS OF BEHRAMKALE (ÇANAKKALE) - ZEYTİNLİ (EDREMİT-BALIKESİR) SECTION OF KAZ MOUNTAINS
Kam, Erol; Önce, Melike; Yümün, Zeki Ünal (2020)In this study, gamma dose values were measured at 25 locations around a distance of60 km parallel to the Aegean Sea in Güre, Küçükkuyu and Kazdağı regions. These measurementswere made by keeping the Eberline Smart Portable ... -
Geographical Distribution of Toxic Elements in Northeast Marmara Sea Sediments and Analysis of Toxic Element Pollution By Various Pollution Index Methods (Istanbul/Turkey)
Kam, Erol; Yümün, Zeki Ünal (Corvinus Univ Budapest, 2021)In this study, the geographic distribution of toxic element concentrations was determined in Northeast Marmara Sea (Istanbul/Turkey) sediments. In addition, the pollution degree of the environment was analyzed using various ... -
Gross Alpha and Gross Beta Activity Concentrations in Sediments in
Yümün, Zeki Ünal; Kurt, Dilek (2017)The concentrations of gross alpha and gross beta radioactivity were analyzed in Holocene sediments of the Gulf of Izmir (Eastern Aegean Sea). The sediments were collected from four different locations affected by industrial ... -
An investigation of anthropogenic pollution in soil samples from residential areas in Erzincan city center and its vicinity by evaluating chemical factors
Yalçın, Paşa; Kam, Erol; Yümün, Zeki Ünal; Kurt, Dilek (Springer Heidelberg, 2018)To measure heavy metal pollution, 42 different soil samples were collected and analyzed from the center, cities, and villages of Erzincan. Average element concentrations in the soil samples in micrograms per gram were as ... -
Investigation of Heavy Metal Concentrations in The Gulf of Izmit (Marmara Sea) Altinova Shipyard Region
Bayrak, K.; Kam, E.; Yümün, Zeki Ünal; Önce, Melike (Turkish Chemical Society, 2022)In this study, heavy metal concentrations (Ca, Mg, Hg, As, Sb, Ag, Al, Co, Cr, Cu, Fe, Mn, Ni, Pb, V, Zn, Ti, Th, U, Mo, Cd) amounts were measured by examining marine sediment samples obtained from the coasts of the Izmit ... -
Investigation of Inland Pollution Using Total Carbon (Tc), Total Organic Carbon (Toc), Inorganic Carbon (Ic), Total Nitrogen (Tn) and Toc/Tn Ratios
Dinçer, Ali Rıza; Yumun, S.; Önce, M.; Yümün, Zeki Ünal (Corvinus Univ Budapest, 2019)In this study, sediment samples were taken at three different points in Edremit Bay at different depths from the sea floor. In Edremit Bay, it was investigated whether the pollution was marine or terrestrial. According the ... -
Investigation of Outdoor Gamma Dose Rates in Yalova, Turkey
Radioactivity measurements were performed, at the Yalova (Turkey), part of the Marmara Sea, for natural radiation using ascintillation detector SP6 (via using portable counter ESP2, Eberline). Based on the measurement ... -
Investigation of Sediment Records of Kulakçayiri Lake (Istanbul)
In this study, the date of the Holocene sediments of Kulakçayırı Lake was determined and the sedimentation rates were calculated. The determined sedimentation rates provide important clues about the climatic and ecological ... -
The Investigation of Toxic Element Pollution and Radioactivity Analyses of Marine Sediments in the Gulf of Gemlik (Bursa, Turkey)
Yümün, Zeki Ünal; Kam, Erol; Dinçer, Ali Rıza; Önce, Melike; Yümün, Sevinç (Corvinus Univ Budapest, 2021)In this study, the Toxic element pollution and radioactivity of marine sediments in the Gulf of Gemlik was determined. Enrichment factor (EF) and Pollution index (PI) analyses have been applied to determine toxic element ... -
Meiofauna, microflora and geochemical properties of the late quaternary (Holocene) core sediments in the Gulf of Izmir (Eastern Aegean Sea, Turkey)
Yümün, Zeki Ünal; Meriç, Engin; Avşar, Niyazi; Nazik, Atike; Barut, İpek F.; Yokeş, Baki; Kaya, Seyhan (Pergamon-Elsevier Science Ltd, 2016)The Gulf of Izmir has seen the construction of marinas at four locations; Karsiyaka, Bayrakli, inciralti and Urla (Cesmealti). Six drilling holes have been structured for each location. Morphological abnormities observed ...