Kurum Yazarı "Yümün, Zeki Ünal" Scopus İndeksli Yayınlar Koleksiyonu İçin Listeleme
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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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
Monitoring heavy metal pollution in foraminifera from the Gulf of Edremit (northeastern Aegean Sea) between Izmir, Balıkesir and Çanakkale (Turkey)
Yümün, Zeki Ünal; Önce, Melike (Pergamon-Elsevier Science Ltd, 2017)In this study, the populations and abnormal shell structures of Quaternary foraminifers in the sediments of the North-eastern Aegean Sea were examined. For this purpose, offshore drilling was carried out at three locations, ... -
New didemnid ascidian spicule records calibrated to the nannofossil data chronostratigraphically in the Quaternary marine deposits of Lake Iznik (NW Turkey) and their paleoenvironmental interpretations
Sagular, Enis Kemal; Yümün, Zeki Ünal; Meriç, Engin (Pergamon-Elsevier Science Ltd, 2018)This study discusses the detailed chronobiostratigraphic history and paleoenvironmental features in the Quaternary period at Lake Iznik (NW Turkey) based on fossil ascidian spicules and nannofossil records. New ascidian ... -
The New Stratigraphic Definitions of Lower Triassic Rocks in Eastern Taurus (Adana-Kayseri, Turkey)
Yümün, Zeki Ünal (Stef92 Technology Ltd, 2012)In this study we are interested in the stratigraphy of Lower Triassic rocks that are placed around Aladags in Eastern Taurus (Turkey). We are also interested in the Stratigraphy and paleontology of Triassic benthic ... -
Radionuclide potential of holocene sediments in the west of marmara sea (Turkey)
Yümün, Zeki Ünal; Kam, Erol (Turkish Chemical Society, 2020)Radionuclides that cause radioactive pollution descend to the bottom in marine and water environments such as heavy metals and accumulate in bottom sediments. It is useful to determine the radionuclides in these environments ... -
Subrecent charophyte flora from Çesşmealti (Izmir Gulf, Western Turkey): Palaeoecological implications
Demirci, Elvan; Sanjuan, Josep; Nazik, Atike; Meriç, Engin; Yümün, Zeki Ünal (Elsevier, 2023)A charophyte assemblage from lower Holocene sediments in ces,mealti (Izmir Gulf, Turkey) is described and illustrated for the first time here. This assemblage is composed of well-preserved gyrogonites and oospores of ...