Mehmet Çetin

• Professor
• Professor at Ondokuz Mayıs University

Satellite images are valuable resources for detecting surface manifestations of hydrocarbon-induced soils and sediments in potential petroleum reservoirs, particularly in inaccessible areas where field surveys are challenging. This study employed band ratio (BR) and principal component analysis (PCA) techniques to investigate hydrocarbon micro-seep...

Urban regeneration, which aims to provide increased sustainability in terms of higher quality urban environment and better urban livability, has been on the agenda in Türkiye. Ankara, the capital city, has long faced uncontrolled development of squatter areas due to rural-to-urban migration, resulting in critical structural problems, including low-...

Wetlands provide biodiversity conservation, carbon sequestration, recreation services, and contribute to the health and resilience of the overall ecosystem. It is of great importance to protect wetlands to ensure that these benefits are sustainable and to mitigate the effects of climate change. Overall, monitoring environmental changes in wetlands...

This study employs advanced technologies, specifically remote sensing (RS) and geographic information systems (GIS), to investigate the impact of earthquakes on critical infrastructure in Kahramanmaraş. Critical infrastructure encompasses physical and digital systems crucial for national security, economic stability, and public well-being. Disrupti...

The prevalence of disability within societies necessitates empowering disabled individuals for their social and economic contributions. This study evaluates the impact of employment policies on the economy and well-being of disabled individuals in Turkey’s silvicultural sector during the COVID-19 pandemic. Focusing on physically disabled individual...

With the dynamic evolution of the tourism sector, a multitude of shifts in tourism activities and traveler motivations have transpired. These changes, spurred by technological advancements, economic fluctuations, and geopolitical developments due to heightened global competition, have introduced a fresh dimension to tourism dynamics. Significantly,...

Kayseri, a densely urbanized province in Türkiye, grapples with pressing challenges of air pollution and limited green spaces, accentuating the need for strategic urban planning. This study, utilizing Landsat 8 and Landsat 9 satellite imagery, investigates the evolution of land surface temperatures (LST) and urban heat island (UHI) effects in key d...

Trafik kazaları dünya genelinde ciddi bir sorun olarak kabul edilmektedir, çünkü insan kaybına ve maddi zararlara yol açmaktadır. Bu sorunu çözmek için çeşitli önlemler alınmaktadır. Bunlar, yol kalitesinin artırılması, kentsel arazi kullanımının doğru planlanması, sürücü, yolcu ve yaya eğitimlerinin verilmesi ve araçlarda güvenlik donanımlarının g...

Cities are profoundly vulnerable to the impacts of disasters due to their densely populated nature. Consequently, strategies are being formulated to optimize resource utilization within urban areas and their immediate surroundings. Resilient cities constitute a key facet of these strategies, capable of adapting to and enduring the pressures arising...

Heavy metal pollution is one of the most critical environmental problems threatening the environment and human health. Therefore, studies on monitoring and reducing heavy metal pollution are among the prioritized study topics. Plants are one of the most effective tools to monitor and reduce heavy metal pollution. However, the potential of heavy met...

Air pollution, a pressing global issue, encompasses various harmful elements, with heavy metals being particularly significant pollutants affecting all forms of life. Effective monitoring and regulation of heavy metal concentrations, especially in the atmosphere, is pivotal. Employing trees as biomonitors emerges as a potent tool, particularly in r...

Air pollution has become a global problem that affects the health of millions of people every year. Among the air pollutants, heavy metals are particularly infamous as they tend to bioaccumulate, can be toxic to human health even at low concentrations, and that even those that are necessary for living things as nutrients can be harmful at high conc...

Biocomfort, which is shaped depending on the suitability of climate parameters, is an important criterion that affects people's comfort, peace, happiness and performance, as well as their health. Therefore, determining suitable areas in terms of biocomfort and using them as a base in the planning of residential areas is of great importance in terms...

Urban heat island density and occurrence are closely related to land use/land cover and land surface temperature variation. The effect of UHI can be described quantitatively with the urban thermal area variance index. This study aims to evaluate the UHI effect of the city of Samsun with the UTFVI index. LST data from 2000 ETM + and 2020 OLI/TIRS La...

Mining activities degrade the landscape and ecosystems by introducing new land uses that alter soil characteristics. Mapping of this degradation is critical, particularly in the context of environmental protection, including climate change research. Even though mining provides significant industrial and economic benefits to society, it also decreas...

Drought, one of the main factors threatening social life today, is examined and analyzed by its types such as meteorological, agricultural, and hydrological droughts. Thus, decision-makers need advanced methods in monitoring and assessing the drought, which is important for future plans. Multivariate drought indices were developed to allow determin...

Climate affects the entire life of humans such as physiological development and characteristics, housing and house structures, food and cloth selections, and distribution on land. It is projected that global climate change would cause important changes in climate parameters in the near future and affect the lives of all organisms on earth directly...

Threshold values for climate elements have been determined and some indices have been developed, especially with studies on human comfort. It is a fact that the feeling of comfort is subjective and there are different psychological and physical factors affecting this feeling. However, the presentation of threshold values and indices is very interes...

This is study is based with the support of RS-GIS technology on the land use of Samsun Center, as well as the coastal districts of Ilkadım,Atakum,Bafra Plain, through the processing and interpretation of satellite images in the summer months of 2000,2010,2020. Spatial and temporal variability properties of LU/LC were determined using MLC algorithm,...

In this study, in order to evaluate the change of LST from rural to urban scale in 20 years, a zoonal statistical analysis was performed by separating the urban and rural districts located on the coastline. Algorithms were applied to the raw data of Landsat 8 and Landsat 7 satellite images, using the Arc Gis 10.2 and Q Gis 3.16 utilities. In this w...

It is inevitable that the global climate change, which has important effects on the climate throughout the world, would have significant effects on the biocomfort zones. Hence, how global climate change will change the biocomfort zones should be determined and the data to be obtained should be used in urban planning projects. In the current study,...

Urbanization, which is defined as an irreversible global-scale problem nowadays, necessitates the foundation of new settlement areas. In general, no sufficient scientific assessment and analysis were performed during these processes, and thus, various natural disasters cost the loss of many lives and properties every year. Nevertheless, considering...

The aim of this study is to monitor the change of the existing vegetation in the area after the construction of wind power plants (WPPs) by using remote sensing (RS) and geographic information systems (GIS) technologies. The effects of WPPs on green areas have not been fully explored. The aim of this study is to expand on current knowledge and crea...

Today, most of people’s time is spent indoors. Air pollution indoors is much higher than outdoors. Therefore, the effect of indoor air on human health is much more than the outside air. One of the most effective methods of reducing indoor air pollution is the use of plants. However, in order for the plants to be used effectively for this purpose, i...

Forest fires are highly destructive phenomena in both ecological and economic terms. Therefore, it is significant to develop measures to detect and mitigate them. In this study, the forest fire risk map of the Milas district of Turkey was studied using geographical information systems and remote sensing methods. In the first part of the study, the...

Global climate change is considered an irreversible problem, which might directly or indirectly affect all the organisms and ecosystems on the earth and the world has to struggle with. Plants having no effective movement mechanism are the group that global climate change will affect the most. In order to minimize the species and population losses,...

The study presents a GIS- and RS-based diagnostic model to determine the changes in the existing vegetation in the Urla, Çeşme, and Karaburun peninsulas, Turkey, between 2002 and 2017 after the installation of 239 wind power plants (WPP). The vegetation changes in 7 CORINE land cover classes within the 0–1 km (facility zone) and 1–2 km (control zon...

Distribution of tree species is a function of climatic (such as temperature and precipitation) and topographic (such as altitude, slope, and exposure) parameters. It is thought that any change in climatic parameters would be one of the most effective factors to influence the distribution of species. The adaptation of populations would depend on the...

In recent years, the demand of people for medicinal and aromatic plants has dramatically increased. For this reason, a large number of researches are being conducted to make these plants more quality. In this sense, this study explored the effects of domestic peat, bat guano, chicken and sheep manures, and vermicompost on the growth, quality traits...

The change in soil quality due to soil pollution significantly affects the ecosystem. The pollutants in the air also pass to the soil after a while, and therefore the soil is also the environment that best reflects the pollution level. Heavy metals are among soil and environmental pollutants; they are especially notorious because many of them can b...

The new summer index (SSI) which was established to determine climate comfort was classified according to the index. Climatic comfort areas will increase and thus raising the quality of living in areas. The temperature values felt in the study were calculated with the SSI formula, and then the maps of the study area were classified. The study area...

Within the scope of the study, the change occurring in the vegetation cover was examined in different temporal and spatial scales for in the example of Kırka boron mining site. Two different satellite images, namely Landsat and Sentinel, were utilized while the competence of these two satellite images were analyzed. Unsupervised classification and...

Palm leaves are vegetal waste that are not widely used by the society, only piled up and causing odors that mix with the environment. Channeling this waste material into the construction industry helps to overcome waste disposal problems as well as promote sustainability. The most important features expected from the buildings are the creation of t...

Air pollution became an important problem that severely threatens human health, especially in urban areas. Such that it was reported that 90% of global population respire polluted air and the air pollution causes the death of approx. 7 million annually. It is known that heavy metals have a significantly high share in these deaths. Heavy metals are...

The present study was performed to determine the effects of vermicompost leachate on growth, quality, and nutrients of Sedum album seedlings under salt stress. The study was carried out in Research and Practice Greenhouse of Cankırı Karatekin University in Central Anatolia of Turkey. One-month-old seedlings are treated with or without vermicompost...

Environment pollution, especially heavy metal pollution, became one of the most important problems of urban areas. Heavy metals in the air threatening human and environmental health pass to the soil after a while. Thus, soil is the medium, which can reflect the level of pollution at best. In the present study, among the heavy metals posing threat t...

Agriculture is the largest consumer of freshwater and plays a critical role in addressing global water scarcity. While numerous studies have focused on the water footprint (WF) of various agricultural products, little attention has been paid to changing cropping patterns and their impact on WF. Here, we investigate the impact of conversion from haz...

The aim of the study is to give information about the intersections, which are an important part of the urban transpor-tation systems, to identify the design problems of the Democracy Bridge Intersection in Antalya, which was chosen as a sample area, and to suggest sustainable-based solutions for the future. The main material of the study is the De...

As in the whole world, environmental problems have increased with the increase in residential areas in Turkey, and this situation has brought many problems, especially environmental pollution. Among the components of environmental pollution, heavy metals are the most dangerous and important in terms of human and environmental health. Especially Pb...

Amaç: Bu çalışmanın amacı, kentsel alanlarda kullanımlar sonucu ortaya çıkan farklı zemin kaplamalarının yaz döneminde sahip olduğu yüzey sıcaklığı artışının önlenmesinde ağaçların etkisini ortaya koymaktır.Yöntem ve Bulgular: Çalışmada 16 Haziran 2020 tarihinde 09:00, 13:00 ve 17:00 saatlerinde 10 farklı yüzeyde (toprak, asfalt, parke (güneş-bitki...

Urban Atlas (UA) data covering the large urban areas have been produced by the European Environment Agency for a variety of European countries including Turkey since 2006. The use of the UA data for the determination of spatiotemporal land use and density changes in urban areas. UA data of Eskisehir, Turkey, were used in order to detect the spatiot...

Coastal areas all over the world are usually exposed to intensive change and transformation processes resulting in a variety of natural, physical, and socio-economic problems. Körfez province, located along the İzmit Bay of Marmara Sea, Turkey, has been one of these coastal areas that has become a major point for industrial facilities and highly po...

The tourism climate index of local and international tourists, especially in summer, is determined using the thermal comfort relationship in the province of Izmir. The aim is to reveal the most suitable time and the most suitable area for tourism activities in İzmir Province. The temperature (maximum, minimum, and average) of 1960–2019, the relativ...

Occurring mainly as a result of human activities, global climate change is considered the most important problem of the current years. It was stated that global climate change will directly or indirectly influence the entire organic life on earth and that the group which will be affected by this process at most will be the plants, which have a limi...

In this study, the changes in forest areas and land cover in the period of 2001–2011 and 2011–2021 in the Yenice Forestry Operation Directorate of Turkey were examined in time interval, category and transition levels by using the density analysis method. Landsat images of the study area for the relevant years were classified according to the superv...

Today, one of the most important problems in the world is environmental and especially air pollution. Among the components of air pollution, especially heavy metals are of particular importance because they do not deteriorate and disappear easily in nature, can be toxic and carcinogenic to humans even at low concentrations, and bioaccumulate in liv...

Background Syrian juniper is an economically important species and in danger of extinction. For these reasons, the best seedling production methods of the species should be determined and its plantations should be established. The aim of the study is to examine the impacts of altitude and different pretreatment combinations of cold and warm stratif...

Today, environmental pollution, air pollution in particular, is among the most important problems in the world. Air pollution, which has become a global issue, is estimated to cause the death of around 1 in 8 people worldwide. Due to the significance of air pollution, all components of air pollution are of great importance for human health, and thu...

In recent years, air pollution has increased significantly due to anthropogenic factors and has become a global problem. Heavy metals in air pollution components; it is of particular importance because they are not easily degraded and disappeared in nature, bioaccumulation in living bodies, some of them can be toxic, toxic or carcinogenic even at l...

Air pollution is becoming increasingly dangerous which is quite a significant issue of today’s world, especially air pollution from heavy metal, whose emission increases with industrial and traffic activities. This is of great importance in terms of environmental pollution and human health. Heavy metals do not deteriorate and disappear easily on ea...

Universities have a wide range of effects on the development of the cities, economic growth and socio-cultural structures of the communities. Accordingly, the Turkish government has encouraged the establishment of the higher education institutions to support the regional development especially in the underdeveloped areas. In this study, 13 universi...

The concept of sustainability, which has become increasingly important in every aspect of life, has become a topic that is often emphasized for university campuses, which can be considered a small urban model. Many universities in Turkey and abroad are working on sustainable campuses. They set many environmental, social, and economic targets such a...

The soil-bearing capacity is one of the important criteria in dimensioning the superstructure. In Turkey, predictability of California Bearing Ratio values, which may be used in the planning and dimensioning of forest roads, of which about 26% lacks the superstructure, by using soil mechanical properties (cost and time efficient parameters that are...

Climate-dependent changes in wood anatomical characteristics were studied for Rosa sp. and Nerium oleander sp. grown in phytosociological areas. For this purpose, wood samples were taken from the individual wood species grown in Antalya, Eskisehir, and Kastamonu provenances, where Terrestrial, Black Sea, and Mediterranean climate types prevail, and...

Forest fires globally cause severe losses in vegetation, soil and habitats and inevitably have direct and indirect negative environmental impacts such as deforestation, climate change and drought. According to the official records, there has been an increase of 58% in the number of the forest fires in Turkey in the last 30 years, between 1988 and 2...

Air pollution, which has been increasing in recent years, has reached significant dimensions and has become one of the most important agenda topics of present day. Among air pollution components, heavy metals are of particular importance, since they are not easily decomposed, they tend to bioaccumulate, and some of them have toxic or carcinogenic e...

Climate change is expected to have various impacts on forest ecosystems through drought, heat stress, insect invasions and forest fires. Therefore, lack of taking the necessary measures in time will lead to the extinction or endangerment of valuable species. The entropy method was used in order to estimate the geographic distribution of Fraxinus ex...

Exhaustion of stratospheric ozone found at a height of 10–30 km around the world causes the solar UV-B (280–320 nm) radiation to penetrate through the atmosphere more, and thus to reach the Earth’s surface quicker. The protective ozone layer gets damaged by human activities constantly, and the increasing levels of UV radiation present threats to al...

Sustainable development is a concept that has started gaining importance in recent years. It helps reduce the environmental impacts of cities with dense human populations. On a smaller scale, social spaces, localities and institutions can be—in many ways—accurately representative of the cities they’re in. In other words, a place like a university c...

This study aimed to determine the change in micromorphological characteristics depending on the species and the climate conditions in some landscape plants grown in areas with different climate conditions. For this purpose, leaf samples of five different woody species from the areas dominated by continental, Black Sea and Mediterranean climates wer...

Computer models that evaluate the formulas of these indices together with environmental factors and human characteristics have been created. Physiological equivalent temperature index and classification summer calculation model used for bioclimatic comfort calculations by obtaining monthly data of General Directorate of State Metrology Stations bet...

Wind energy is considered one of the cleanest and most sustainable resources among renewable energy sources. However, several negative environmental impacts can be observed, unless suitable sites are selected for the establishment of wind farms. The aim of this study is to determine the change in the soil organic carbon (SOC) stock resulting from l...

As a result of urbanization that started with the industrial revolution, high temperatures caused by surface materials in built areas cause the formation of urban heat islands. This situation adversely affects the livability of cities due to the thermal comfort or lack thereof. The surface temperatures of these widely used materials in a park locat...

Electromagnetic radiation is a substantial pollution factor that most of the living things found almost everywhere are constantly exposed to with current technology. The number of studies conducted on the effects of this exposed radiation on the living things constantly is limited; and almost all of the studies conducted are aimed at measuring the...

The present study aims to determine the changes in stomatal characters of several plants depending on the shadow conditions. Within this scope, the leaf samples were collected from Platanus orientalis, Cercis siliquastrum, Eonymus japonica, Cotoneaster franchettii, and Buxus sempervirens species grown in open spaces. Scales images of leaf samples w...

The living conditions of living beings are becoming ever more difficult due to the climate change caused by industrialization. Forests, which have a great importance in terms of natural resources, are one of the main elements which prevent this situation. Therefore, it is important to ensure the sustainability of forests and to increase their genet...

In contrast to the expectations of an increase in annual fire activity and the severity of fire season due to climate change and large fires, which have been occurring in recent years, a downtrend has been identified in fire activity in many studies conducted for the whole of Europe in recent years. Similarly, in Turkey, according to the General Di...

The last century witnessed a boom in the world population, reaching an unprecedented level. In particular, in recent decades, the population has concentrated in cities. Migration from rural areas to urban areas brings many problems to urban areas, necessitating the opening of new settlement areas. These new settlement areas that are needed are most...

Global climate change is seen as a process that will directly or indirectly affect living things and ecosystems all over the world. In this process, determining the changes in climate parameters and climate types in advance is of great importance in terms of the measures that can be taken and the preparation for the process. In this study, it is ai...

In this study, copper (Cu), iron (Fe), zinc (Zn), manganese (Mn), nickel (Ni), and lead (Pb) analyses were performed, and the results were modelled by artificial neural networks (ANN) and adaptive neuro-fuzzy inference system (ANFIS). Samples were taken from 3 stations selected on the Bartin River for 1 year between December 2012 and December 2013....

Demography researchers and scientists have been effectively utilizing advanced technologies and methods such as geographical information systems, spatial statistics, georeferenced data, and satellite images for the last 25 years. Areal interpolation methods have also been adopted for the development of population density maps which are essential fo...

Population growth, which is the main source of the biggest problems of the world today, combined with migration from rural areas to urban centers, causes the urban centers to be even more concentrated. This necessitates the opening of new residential areas in many city centers, but new residential areas are mostly determined by the decisions of loc...

Climate comfort based caused by geographical conditions has influenced human activities, living standards, and even settlement forms from the early ages and continuous to so in our time. People have been coming up with various solutions in order to adapt to climatic conditions since the dawn of humanity. Despite the technological advancement that r...

One of the biggest problems of modern world is the air pollution which causes the death of millions of people every year. The heavy metals included in the component of air pollution occupy an important position in human health since they could remain intact in nature for a long time and build bioaccumulation, and also some of them are toxic or carc...

The use of certain types of plants to determine the accumulation of HMs (heavy metals) has yielded quite consistent results in the research fields. Many researches have focused on particular types of HMs due to their common presence in the air (Pb, Cd, Ni, Co, Cr to name a few). However, it is equally as important to shed light on other types of HM...

Air pollution is one of the biggest problems of urban environments today. Heavy metals are particularly important in terms of components that pollute the air. This is due to the reason that heavy metals can stay in nature for a long time without being disintegrated, and their concentration in the environment is constantly increasing. They also tend...

Bu çalışmada mekânsal bir model oluşturularak, Nevşehir ili kentsel alanlarının turizm açısından yıpranmış dokularını ortaya koyup iyileştirilmesi amaçlanmıştır. Türkiye’nin turizm potansiyeli yüksek şehirlerinden biri olan Nevşehir ili doğal, kültürel ve tarihi açıdan önemli bir yere sahiptir. Bu çalışmadaki araştırma metodolojisi betimsel-analiti...

This study is based on an area in Hatay, Turkey, and involves examining all weather and climate-related data that can be used to determine its suitability for the bioclimatic comfort. It attempts to explain bioclimatic comfort and describes in detail all the variables that make this contemporary concept and why it is important from a landscape arch...

Food scarcity is one of global issues that our world faces today. A significant portion of the world’s population has no access to adequate food, and it is stated that approximately 830 million people suffer from chronic famine. This predicament is estimated to grow even further. Many attempts have been made to solve the food problem. Some examples...