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Research paper thumbnail of Altın Panning Prosedürü

Research paper thumbnail of Bakır (Cu) Cevheri

Research paper thumbnail of KUZEY_ANADOLU_FAY_SISTEMI_KAFS_DOGU_ANAD.pdf

Research paper thumbnail of Orta Anadolu Geç Neojen Tortullarında Asteroid Çarpma Bulguları Findings of an Asteroid Impact crater within the Late Neogene Deposits in Central Anatolia, Turkey

ÖZ Mucur yöresindeki (Kırşehir) Geç Miyosen-Pliyosen istifinin çökelleri içinde, boyları 1 metred... more ÖZ Mucur yöresindeki (Kırşehir) Geç Miyosen-Pliyosen istifinin çökelleri içinde, boyları 1 metreden 3-4 cm'e kadar değişen koyu renkli, çoğunluğu breşik dokulu metamorfik kaya çakılları ile az sayıda, silis kabukla çevrili bazalt görünüşlü ergimiş kaya parçaları bulunmuştur. Petrografik olarak takilit veya impaktit şeklinde adlandırılan çok özel taneler, içine yerleştiği istifin alt-orta bölümünde olup, bulunduğu alandaki toplam çakıl miktarının yaklaşık % 1-1,5 kadarını oluşturur. Bu takilit parçaları ve/veya metamorfik kaya kırıntıları büyük bir çarpma kraterinin aşınıp dağılan parçaları olup, Geç Miyosen öncesi bir zamanda orta Anadolu'ya asteroid düşmesinin işaretçileridir. Takilit tiplerine ve bolluğuna göre, çarpma kraterinin minimum 2 km çapında ve 200 m derinliğinde dairesel bir çukur olduğu anlaşılmaktadır. Böyle büyük bir çarpmanın yarattığı olası paleoekolojik ve paleocoğrafik etkiler araştırılmaktadır. ABSTRACT It is presented here some unusual brecciated rock clasts within the clastic deposits of the Late Miocene and Pliocene at the Mucur (Kırşehir) area of central Anatolia, Turkey. Petrographycally, these clasts are described as tachylite or impactite. They are dark-coloured metamorphic rock fragments with size of 100 to 3-4 cm in diameter, which are abundantly breccaited and to a lesser extend melted-rock fragments embedded in thick silica layers. The tachylite clasts are found only at the lower and medial part of the Late Neogene sequence, forming only 1-1.5 % of the total clast components of the host deposits. These special clasts (tachylite or impactite) represent the destroyed walls of an impact crater created by an asteroid at central Anatolia in preLate Miocene time. Based on tachylite types and their abundance, the inferred impact crater was a circular depression with minimum 200 m depth and 2 km in diameter. The possible palaeogeographic and palaeoecological results of such a big impact to the earth have been searched.

Research paper thumbnail of Changing Landscape in Antalya-Kumluca District from 1990 to 2011: Land use/land-cover, vegetation cover and greenhouse area changes determined using different satellite images

This study carries out to examine the land use/land-cover, vegetation cover and green area change... more This study carries out to examine the land use/land-cover, vegetation cover and green area changes in Antalya-Kumluca District. Over the past 21 years, the southern region of Turkey has undergone more significant land-cover change than any other regions. The extent of these changes is remarkable, especially over the last years, during which time much of the area has been exploited in Kumluca District as greenhouse zone. In this paper, Landsat (Land Satellite), Aster (Advanced Spaceborne Thermal Emission and Reflection Radiometer), Spot (Satellite Pour l'Observation de la Terre), satellite images have been used to expose existing land-cover changes. Among the mentioned changes, those relating the extension and development of greenhouse zone have affected obviously the socioeconomic and demographic structure of the Antalya-Kumluca District. In addition, day by day natural land are being converted to build-up (Settlements, Roads, Tourism Facilities, Water Reservoirs, etc…) and greenhouse area. According to different satellite images and maps of the years between 1990-2011, greenhouse area covered almost 70-80 percent of the study area.

Papers by HAYDAR ERKOC DULKADIROGLU

Research paper thumbnail of Recovery and Reuse in the Textile Industry - A Case Study at a Wool and Blends Finishing Mill

Chemical Water and Wastewater Treatment VI, 2000

Research paper thumbnail of Scientific basis of dissolved organic carbon limitation for landfilling of municipal treatment sludge – Is it attainable and justifiable?

Waste Management, 2014

This study evaluated the scientific and technical basis of the dissolved organic carbon (DOC) lim... more This study evaluated the scientific and technical basis of the dissolved organic carbon (DOC) limitation imposed on municipal sludge for landfilling, mainly for assessing the attainability of the implemented numerical level. For this purpose, related conceptual framework was analyzed, covering related sewage characteristics, soluble microbial products generation, and substrate solubilization and leakage due to hydrolysis. Soluble COD footprint was experimentally established for a selected treatment plant, including all the key steps in the sequence of wastewater treatment and sludge handling. Observed results were compared with reported DOCs in other treatment configurations. None of the leakage tests performed or considered in the study could even come close to the prescribed limitation. All observed results reflected 10-20 fold higher DOC levels than the numerical limit of 800 mg/kg (80 mg/L), providing conclusive evidence that the DOC limitation imposed on municipal treatment sludge for landfilling is not attainable, and therefore not justifiable on the basis of currently available technology.

Research paper thumbnail of Effect of Ozonation on the Biological Treatability of a Textile Mill Effluent

Environmental Technology, 2002

Research paper thumbnail of Altın Panning Prosedürü

Research paper thumbnail of Bakır (Cu) Cevheri

Research paper thumbnail of KUZEY_ANADOLU_FAY_SISTEMI_KAFS_DOGU_ANAD.pdf

Research paper thumbnail of Orta Anadolu Geç Neojen Tortullarında Asteroid Çarpma Bulguları Findings of an Asteroid Impact crater within the Late Neogene Deposits in Central Anatolia, Turkey

ÖZ Mucur yöresindeki (Kırşehir) Geç Miyosen-Pliyosen istifinin çökelleri içinde, boyları 1 metred... more ÖZ Mucur yöresindeki (Kırşehir) Geç Miyosen-Pliyosen istifinin çökelleri içinde, boyları 1 metreden 3-4 cm'e kadar değişen koyu renkli, çoğunluğu breşik dokulu metamorfik kaya çakılları ile az sayıda, silis kabukla çevrili bazalt görünüşlü ergimiş kaya parçaları bulunmuştur. Petrografik olarak takilit veya impaktit şeklinde adlandırılan çok özel taneler, içine yerleştiği istifin alt-orta bölümünde olup, bulunduğu alandaki toplam çakıl miktarının yaklaşık % 1-1,5 kadarını oluşturur. Bu takilit parçaları ve/veya metamorfik kaya kırıntıları büyük bir çarpma kraterinin aşınıp dağılan parçaları olup, Geç Miyosen öncesi bir zamanda orta Anadolu'ya asteroid düşmesinin işaretçileridir. Takilit tiplerine ve bolluğuna göre, çarpma kraterinin minimum 2 km çapında ve 200 m derinliğinde dairesel bir çukur olduğu anlaşılmaktadır. Böyle büyük bir çarpmanın yarattığı olası paleoekolojik ve paleocoğrafik etkiler araştırılmaktadır. ABSTRACT It is presented here some unusual brecciated rock clasts within the clastic deposits of the Late Miocene and Pliocene at the Mucur (Kırşehir) area of central Anatolia, Turkey. Petrographycally, these clasts are described as tachylite or impactite. They are dark-coloured metamorphic rock fragments with size of 100 to 3-4 cm in diameter, which are abundantly breccaited and to a lesser extend melted-rock fragments embedded in thick silica layers. The tachylite clasts are found only at the lower and medial part of the Late Neogene sequence, forming only 1-1.5 % of the total clast components of the host deposits. These special clasts (tachylite or impactite) represent the destroyed walls of an impact crater created by an asteroid at central Anatolia in preLate Miocene time. Based on tachylite types and their abundance, the inferred impact crater was a circular depression with minimum 200 m depth and 2 km in diameter. The possible palaeogeographic and palaeoecological results of such a big impact to the earth have been searched.

Research paper thumbnail of Changing Landscape in Antalya-Kumluca District from 1990 to 2011: Land use/land-cover, vegetation cover and greenhouse area changes determined using different satellite images

This study carries out to examine the land use/land-cover, vegetation cover and green area change... more This study carries out to examine the land use/land-cover, vegetation cover and green area changes in Antalya-Kumluca District. Over the past 21 years, the southern region of Turkey has undergone more significant land-cover change than any other regions. The extent of these changes is remarkable, especially over the last years, during which time much of the area has been exploited in Kumluca District as greenhouse zone. In this paper, Landsat (Land Satellite), Aster (Advanced Spaceborne Thermal Emission and Reflection Radiometer), Spot (Satellite Pour l'Observation de la Terre), satellite images have been used to expose existing land-cover changes. Among the mentioned changes, those relating the extension and development of greenhouse zone have affected obviously the socioeconomic and demographic structure of the Antalya-Kumluca District. In addition, day by day natural land are being converted to build-up (Settlements, Roads, Tourism Facilities, Water Reservoirs, etc…) and greenhouse area. According to different satellite images and maps of the years between 1990-2011, greenhouse area covered almost 70-80 percent of the study area.

Research paper thumbnail of Recovery and Reuse in the Textile Industry - A Case Study at a Wool and Blends Finishing Mill

Chemical Water and Wastewater Treatment VI, 2000

Research paper thumbnail of Scientific basis of dissolved organic carbon limitation for landfilling of municipal treatment sludge – Is it attainable and justifiable?

Waste Management, 2014

This study evaluated the scientific and technical basis of the dissolved organic carbon (DOC) lim... more This study evaluated the scientific and technical basis of the dissolved organic carbon (DOC) limitation imposed on municipal sludge for landfilling, mainly for assessing the attainability of the implemented numerical level. For this purpose, related conceptual framework was analyzed, covering related sewage characteristics, soluble microbial products generation, and substrate solubilization and leakage due to hydrolysis. Soluble COD footprint was experimentally established for a selected treatment plant, including all the key steps in the sequence of wastewater treatment and sludge handling. Observed results were compared with reported DOCs in other treatment configurations. None of the leakage tests performed or considered in the study could even come close to the prescribed limitation. All observed results reflected 10-20 fold higher DOC levels than the numerical limit of 800 mg/kg (80 mg/L), providing conclusive evidence that the DOC limitation imposed on municipal treatment sludge for landfilling is not attainable, and therefore not justifiable on the basis of currently available technology.

Research paper thumbnail of Effect of Ozonation on the Biological Treatability of a Textile Mill Effluent

Environmental Technology, 2002