Selahattin Incecik

The International Union of Air Pollution Prevention and Environmental Protection Associations IUAPPA · Air quality

Projections of changes in climate extremes are important in evaluating the potential impacts of climate change on the environmental and natural systems. The objective of this study is to assess the changes in the extreme climate indices over Türkiye. The future projections of a subset of extreme climate indices derived from a regional climate model...

Thermal indices and thermal comfort maps have great importance in developing health-minded climate action strategies and livable urban layouts. Especially in cities where vulnerability to heatwaves is high, it is necessary to detect the most appropriate indicators for the regional characteristics and action planning with respect to thermal comfort....

Climate Modeling

The performance of the climate simulations by the regional climate model COSMO‐CLM forced by MPI‐ESM‐LR, as well as projected future temperature and precipitation conditions over northwestern Türkiye at the convection‐permitting resolution, are shown in this study. In terms of mean, maximum and minimum temperatures and daily total precipitation, th...

The study aims to understand the reasons for southerly wind storms affecting the Marmara region of Turkey for 2000-2010 and to present their patterns related to synoptic weather systems. In this study, a day with the wind speed exceeding 15.5 m/s and observed at least 1h at any station in the region is called a "stormy day". The number of wind stor...

Wind energy is a rapidly growing industry in Turkey. Wind power potential studies revealed that the most promising region for electricity generation is the western part of Turkey. Wind speed forecasting is necessary for power systems because of the intermittent nature of wind. Thus, accurate forecasting of wind power is recognized as a major contri...

18th World Clean Air Congress (WCAC′19), organized by the Turkish National Committee for Air Pollution and Control (TUNCAP) and International Union of Air Pollution Prevention Associations (IUAPPA) in collaboration with regional air pollution control organizations around the world from 23 to September 27, 2019 at Istanbul Hilton Maslak Hotel, Turke...

Ozone episodes were observed frequently in Biga Peninsula of Marmara region in Turkey which is suburban site and has forests and agricultural areas. This study aims to understand the role of atmospheric conditions that lead to the ozone episodes over the Biga Peninsula. Ozone concentrations were measured at the monitoring stations for three years (...

Ozone episodes in the forest and agricultural areas were studied using HYSPLIT v4 model driven by the WRF ARW v3.8.

The 18th World Clean Air Congress, as one of the premier events in the field, provided a worldwide platform for scientists, policymakers and industrialists to discuss state-of-the-art scientific knowledge and latest progress and technical solutions in improving air quality. The WCAC′19 Congress held in Istanbul follows earlier congresses that have...

We analyzed the annual, monthly, and seasonal variations of urban heat island (UHI) intensity in Istanbul by using meteorological data measured for the period of 1960–2012 at six stations. The UHI on minimum temperature is found to be positive for all seasons, and the average UHI intensity clearly indicates seasonal changes, strongest in summer and...

Dilovası, Gebze district is among the primary locations in Turkey where the potential of air pollution is the highest in terms of the sources of air pollution, land structure, and meteorological conditions. Industrial facilities in this district lead to high levels of air pollution due to the heavy traffic and dwellings on the D-100 and E-80 highwa...

Dilovası, Gebze region of air pollution sources, is one of the locations where the highest level of Turkey's air pollution potential in terms of terrain and weather condition. In this region, industrial facilities, D-100, and E-80 highways and heavy traffic and residences lead to high air pollution levels as a result of the topography and meteorolo...

Ozone episodes (>120μg/m3) were observed frequently at the rural site including forest and vegetation areas and an urban site in the Biga Peninsula of Marmara region in Turkey. The aim of this study is to understand the atmospheric conditions that lead to the ozone episodes in the north-western side of the Biga Peninsula, which covers by the mounta...

The main goal of this study is to assess the spatial and temporal variations of PM10 and PM2.5 and to increase the knowledge of the PM10 and PM2.5 in The Marmara region. The other objectives are: a) The assessment of the PM10 and PM2.5 levels in monitoring stations of urban and rural sites for the 6-year periods based on the exceedances the WHO l...

Surface ozone, which is one of the significant critical pollutants in the 21st century, threats to human health, forest and vegetation in rural and urban areas. The primary purpose of this study is to understand the atmospheric conditions that lead to the ozone episodes in the north-western side of the Biga Peninsula, which covers by the mountainou...

High concentrations of ozone in urban, rural and industrial areas worldwide have long been a major air quality issue. The tropospheric ozone is the third-largest greenhouse gas contributor to radiative forcing of climate change with a value of +0.35 ± 0.15 W/m2 (IPCC (2007). Besides, ground-level ozone is a serious air pollutant (it is a highly re...

This study deals with the evaluation of the Weather Research and Forecast (WRF) model's parameterization schemes when used for global horizontal irradiation (GHI) forecasts, to assess the feasibility of solar energy utilization. The study area is the southeastern Anatolia (SEA) region of Turkey, with favorable weather conditions for solar energy ge...

TROPOSFERİK OZONUN MEKANSAL VE ZAMANSAL DEĞİŞİMİ VE ETKİLERİ

The first continuous measurements of the hourly surface ozone (O3), nitric oxide (NO) and nitrogen dioxide (NO2) concentrations at 7 rural and 15 urban sites in Marmara Region of Turkey during the period from March 2013 to April 2016. The results indicate that surface O3 is an extensive problem throughout the Marmara Region. O3 levels have similar...

Global warming and climate change is one of the major environmental problems on a global scale. Climate change is resulting in significantly increase of the floods and droughts in the world. Rainfall has increased in northern parts of Europe and in some parts of the Asia and America, whereas has decreased in Mediterranean, and some parts of Asia an...

ZET Ozon stratosferde insan sağlığını koruyabilen bir bileşik olurken yer seviyesinde yüksek seviyelerde bulunduğu takdirde insan sağlığına ve ekosistem üzerinde zararlara yol açabilmektedir. 21.yüzyılın en önemli kirleticilerinden biri olarak kabul edilen ozon, ikincil bir kirletici olarak doğrudan atmosfere salınmaz, troposferde güneş ışınlarının...

Ozon stratosferde insan sağlığını koruyabilen bir bileşik olurken yer seviyesinde yüksek seviyelerde bulunduğu takdirde insan sağlığına ve ekosistem üzerinde zararlara yol açabilmektedir. 21.yüzyılın en önemli kirleticilerinden biri olarak kabul edilen ozon, ikincil bir kirletici olarak doğrudan atmosfere salınmaz, troposferde güneş ışınlarının etk...

This study presents the results on the simulations of the scenarios based on the CO2 emission reduction of the electricity sector in Turkey, utilising the long-range energy alternatives planning (LEAP) system model, and the mitigation costs of the scenarios. Three scenarios including baseline scenario, (scenario 1) and the two mitigation scenarios...

This study presents the results on the simulations of the scenarios based on the CO2 emission reduction of the electricity sector in Turkey, utilising the long-range energy alternatives planning (LEAP) system model, and the mitigation costs of the scenarios. Three scenarios including baseline scenario, (scenario 1) and the two mitigation scenarios...

Numerical Weather Prediction (NWP) models have been proved to be powerful tools for solar radiation forecasting. Model Output Statistics (MOS) is a post-processing technique, which is used to improve outputs of NWP models objectively interpreting the output and producing site-specific forecasts. MOS relates observed meteorological parameters to app...

Ozone episodes were observed frequently at the site in the forest and agricultural area and an urban site in the Biga Peninsula of the Marmara region in Turkey. The aim of this study is to understand the role of atmospheric conditions that lead to the ozone episodes over the Biga Peninsula. The five ozone episodes were also analyzed using the HYSPL...

The present paper aims to make a review of the recent status of air quality with historical background in Turkey and to address the efforts in the field of air quality management to reach the better air quality in the country.

Urban heat island (UHI) is defined as the temperature difference between the urbanized areas and their surroundings due to local surface energy balance since urban materials and build up structures modify the heating and cooling rates of the ambient air. Istanbul is the largest city of Turkey with the population over 14 million inhabitants and the...

Tropospheric ozone, which named as one of the most critical pollutant in 21th century, threats to human health, forest and vegetation. The north-west side of Biga Peninsula is mountainous and forested area. The objective of this study is to characterize a spatial and temporal distribution of surface ozone to indicate the risk areas in the northwest...

Solar energy applications need reliable forecasting of solar irradiance. In this study, we present an assessment of a short-term global horizontal irradiance forecasting system based on Advanced Research Weather Research and Forecasting (WRF-ARW) meteorological model and neural networks as a post-processing method to improve the skill of the system...

tr + Presenter The prediction of spatial variation of a pollutant's concentration profile governed by various sources is a complex problem which needs specific decoding of the related case conditions and presence of homogeneous meteorological data. Gaussian air pollutant dispersion models such as AERMOD (American Meteorological Society/Environmenta...

The heavily urbanized cities, particularly in developing countries show higher air temperatures than the others, which is due to the climate change intensified by Urban Heat Island (UHI) effect. Climate projections estimate that the frequency and the intensity of extreme weather events are expected to increase through the end of century. Extreme ho...

The surface wind field plays an important role at the regional scale such as the dispersion of pollutants and air quality problems over a region, or the wind resource evaluation. Specifically during the summer, strong surface heating combines with the terrain and land/water contrasts of the areas to create a complex array of diurnal circulations. S...

The characterization of temperature and precipitation fields over Turkey which is located at Southeastern Europe and Eastern Mediterranean presents a complicated spatial and temporal patterns. The goal of the study is the specification of temperature and precipitation fields to better understand Turkey’s climate. For this purpose, systematic techni...

In this study, we evaluated the results of the short-term wind energy prediction system (SWEPS) that our research group has recently developed for Turkey. SWEPS uses the numerical weather prediction model (WRF), a CFD model WindSim, a physical model WAsP, and a model output statistics method to improve the results of the models. Here, we present th...

The performance evaluation of the WRF Model for Short Term Wind Energy Prediction System for Turkey

Resolution Evaluation of the WRF Model with WAsP comparisons for the Short Term Wind Energy Prediction System of Turkey

Resolution Evaluation of the WRF Model with WindSim comparisons for the Short Term Wind Energy Prediction System of Turkey

The present study deals with the impact of aerosols on global horizontal irradiation which are assessed during the periods April 2011 and April 2012 over Southeastern Anatolia in Turkey using ground- based measurements, WRF model and satellite data. Aerosols affect the earth’s atmosphere through interactions with solar and terrestrial radiation as...

Solar radiation data is obtained from ground based observations, periodically. However in order to manage the electricity that can be provided from different sources, how much electricity production can be transferred to the electrical grids for a short term of two‐three days that solar plant like sources have been integrated, should be known. Shor...

The wind power resource assessments in urban and semi-rural area. Istanbul area

High winter-time PM10, sulfate, nitrate and ammonium levels in Istanbul were investigated using a high resolution WRF/CMAQ mesoscale model system. The results suggested that the system was capable of producing the magnitudes. PM10 levels calculated by the model underestimated the observations with an average of 10 % at Bogazici University sampling...

This paper presents verification results of numerical simulations of meteorological conditions leading to an air pollution episode on 6-9 November 2010 in Istanbul. WRF-ARW ver 3.3 is run with GFS and ECMWF input. For verification, horizontal wind components and temperature data of nine meteorological stations are used for both simulations. Results...

Istanbul is the 20 th mega city in the world. The city has mostly complex terrain with hills and valleys. The historical part of the city covers the Golden Horn which is an inlet of the Bosphorus. Golden Horn is forming the natural harbor and connected to the Kagıthane valley. The valley floor is nearly flat, at an elevation of no more than a few h...

ZET Güneş radyasyonu verisi periyodik olarak yere dayalı ölçümlerden sağlanmaktadır. Ancak farklı kaynaklardan sağlanabilecek elektriğin yönetilebilmesi için, iki-üç gün gibi kısa vadede güneş santralleri benzeri kaynakların entegre oldukları elektrik gridlerine ne kadar elektrik üretimi aktarabileceğinin bilinmesi gerekmektedir. Bu nedenle güneş r...

The aim of this paper is to evaluate the satellite derived cloud mask product to determine whether it can be used in radiation modeling studies or not. For this purpose, the cloud mask data set for 2011, obtained from EUMETSAT, was processed and used. On the other hand, the sunshine and clearness index time series have been arranged for the same ye...

A Short Term Wind Energy Prediction System for Turkey

CLIMAMED VII. Mediterranean Congress of Climatization, Istanbul, 3-4 October, 2013 TURKISH SOCIETY OF HVAC & SANITARY ENGINEERS ___________________________________________________________________________________________________ 475 ON THE ESTABLISHMENT OF CLIMATIC ZONES IN TURKEY WITH REGARD TO THE ENERGY LABELLING FOR AIR CONDITIONERS H. Toros*, A...

Bu çalışmada Türkiye’nin Güneydoğu Anadolu bölgesinde açık gökyüzü şartlarında global güneş radyasyon model tahmin sonuçları ve buna ait ölçüm değerleri arasında meydana gelen farklılık üzerinde aerosol etkisini araştırmak üzere NASA’ya ait Terra uydusunun MODIS spektro radyometresinden alınan aerosol optik derinlik (AOD) (550 nm) verileri kullanıl...

Solar irradiance is characterized by fluctuations due to the moving clouds. These fluctuations may lead to variations in power flow in the grids and may affect the stability of the grid system. Therefore it is important to predict the characteristics of the fluctuations for network planning in distribution grids. Predicting the characteristics of t...

Assessing the Performance of AES-RuzgarSIM and WindSim Models in Short Term Wind Power Forecasting in Manisa, Turkey,

In this study, it was investigated the variations of global solar radiation in two different regions of Turkey, namely the Marmara and Southeast Anatolia, by applying the clearness index for clear days. The sunshine duration and global solar radiation data of 9-station located in these regions of the Turkish State Meteorological Service have been u...

High air pollution concentrations lead to serious health problems in urbanized and industrialized areas. In Istanbul, Golden Horn is a creek valley that is identified by its special terrain that makes air pollutants difficult to disperse. The goal of this study is to determine the ozone levels in this region, considering that reducing ozone precurs...

High air pollution concentrations lead to serious health problems in urbanized and industrialized areas. In Istanbul, Golden Horn is a creek valley which is identified by its special terrain that makes air pollutants difficult to disperse. The goal of this study is to determine the ozone levels in this region, considering that reducing of ozone pre...

Bu çalışmada hava kalitesi bakımından dünyanın en sorunlu dört megaşehrin (Beijing, Jakarta, Kahire ve Delhi) kirlenmiş atmosferi emisyon kaynakları, iklim, nüfus vb. özellikler bakımından incelenmiştir. Bunun yanı sıra Türkiye'nin megaşehri İstanbul'un tarihsel hava kirliliği geçmişi ve günümüzdeki durumu değerlendirilmiştir. Anahtar Kelimeler: Me...

Bu çalışmada hava kalitesi bakımından dünyanın en sorunlu dört megaşehrin (Beijing, Jakarta, Kahire ve Delhi) kirlenmiş atmosferi emisyon kaynakları, iklim, nüfus vb. özellikler bakımından incelenmiştir. Bunun yanı sıra Türkiye'nin megaşehri İstanbul'un tarihsel hava kirliliği geçmişi ve günümüzdeki durumu değerlendirilmiştir. Anahtar Kelimeler: Me...

Ozone (O(3)) mixing ratios were measured at three different sites (urban/traffic, semi-rural and rural/island) in Istanbul from September 2007 to December 2009 in order to determine the diurnal, monthly and seasonal variations of O(3) and nitrogen oxides (NO(x)) and to study the local and regional impacts. This is the first study that evaluates the...