Sürdürülebilir Kalkınma Amaçları
Yazarlar
- Mızrak, Sefa(5)
- Uzun, Sevda(3)
- Aksoy, Iskender(2)
- Araz, Onur(2)
- Aslan, Serdar(2)
- Bekci, Tumay(2)
- Cakir, Ismet Mirac(2)
- Eryuruk, Uluhan(2)
- Onder, Ramazan Orkun(2)
- Oğuzhan, Hatice(2)
- Sengul, Demet(2)
- Sengul, Ilker(2)
- Tonkaz, Gokhan(2)
- Özdemir, Ahmet(2)
- Acar, Ramazan(1)
- Akay, Gamze(1)
- Akdemir, Rabia Rümeysa(1)
- Akçar, Naki(1)
- Armağan Çınar Yolcu(1)
- Aslan, Ramazan(1)
- Aynur Kaya(1)
- Bayar, Ayse Elif(1)
- Baygin, Şevval(1)
- Bektaş, Osman(1)
- Bjelotomić Oršulić, Olga(1)
- Camurcu, Melike(1)
- Cemal Yılmaz(1)
- Cengiz, Ekrem(1)
- Damla Nur Yüce(1)
- Deniz Ozturk, Yasemin(1)
- Dere, Cansu(1)
- Doğangün, Adem(1)
- Duman, Münevver(1)
- Emirza, Elif Güzide(1)
- Erkoç, Beyza(1)
- Eyüboǧlu, Yener(1)
- Fakıoğlu, Merve(1)
- Friedrich, Anke M.(1)
- Galip Usta(1)
- Hasan Yücel(1)
Yayınlar
- Yüksek Lisans TeziAçık Erişim2026Depreme yönelik psikolojik mesafe ölçeğinin geliştirilmesi: Koruma motivasyon teorisi ve planlı davranış teorisi ile bütünleştirilmesi
Damla Nur Yüce
Depremlerin belirsiz ve öngörülemez doğası göz önüne alındığında, bireylerin bunlara nasıl uyum sağladığını incelemek önemlidir; ancak, depremlere yönelik psikolojik yakınlık-uzaklık algısı ile bunun koruma motivasyonu ve davranışa dönüşümü arasındaki ilişki yeterince ele alınmamıştır. Literatürdeki bu boşluğu doldurmak için bu çalışma, koruma motivasyonu teorisi (KMT) ve planlı davranış teorisini (PDT) psikolojik mesafeye entegre ederek teorik bir araştırma modeli oluşturmaktadır. Çalışmanın amacı, depremlere yönelik psikolojik mesafe ölçeği (DPMÖ) geliştirmek ve bunu KMT ve PDT ile entegre ederek beklenen büyük İstanbul depremine uyumu etkileyen faktörleri incelemektir. Bu nicel çalışmada, anket tekniği uygulanmış ve İstanbul'da yaşayan 18 yaş ve üzeri bireyler dahil edilmiştir. Çalışmada, 4 faktörden (Zamansal mesafe, Sosyal mesafe, Coğrafi mesafe, Belirsizlik) oluşan 12 maddelik geçerli ve güvenilir bir DPMÖ geliştirilmiştir. Geliştirilen ölçeğin Cronbach Alfa değeri 0,912'dir ve pilot uygulamaya 208, ana uygulamaya ise 1144 katılımcı dahil edilmiştir. Çalışmadaki değişkenler arasındaki ilişkiyi belirlemek için yapısal eşitlik modellemesi (YEM) kullanılmıştır. YEM'e göre, psikolojik mesafe tehdit değerlendirmesi üzerinde anlamlı negatif bir etkiye (β=-0,634, p=0,000) sahipken, tehdit değerlendirmesi davranışa yönelik tutum üzerinde anlamlı pozitif bir etkiye (β=0,540, p=0,000) sahiptir. Gelecekteki araştırmalar, DPMÖ'nün KMT ve PDT ile entegre edilerek farklı coğrafi bağlamlarda ve çeşitli afet türlerinde uygulanmasını incelemeyi önermektedir.
- MakaleYalnız künye2026Scopus SJRQ1An assessment of multi-hazard events in post-earthquake temporary shelters: the case of the February 6, 2023 earthquakes in Türkiye
Deniz Ozturk, Yasemin; Peker, Iskender
The 6 February 2023 earthquakes caused catastrophic losses across 11 provinces of T & uuml;rkiye. To meet urgent shelter needs, extensive tent and container settlements were rapidly established; over time, however, these sites proved highly vulnerable to multi-hazard events. This study investigates the spatial and temporal distribution and impacts of fires, floods, and storms on temporary shelters over a two-year period following the earthquakes. In total, 306 events were identified across eight provinces - 155 fires, 147 floods, and 4 storms - damaging 5,075 containers and 420 tents, and causing 16 deaths and 67 injuries. Seasonal factors played a critical role of these hazards. As the earthquakes occurred during winter, the region's cold, rainy conditions led to frequent flooding and numerous heating-related tent fires, particularly in winter and early spring. March recorded the highest number of events due to intense rainfall, storms, and elevated heating demand. Vulnerable groups - including children, workers, and refugees - were disproportionately affected, with children accounting for six fire-related fatalities. Overall, the results highlight the seasonal nature of multi-hazard events in temporary shelter areas and emphasise the need for climate-sensitive planning, hazard mitigation measures, and improved safety standards in post-disaster temporary settlements.
- MakaleYalnız künye2026Scopus SJRQ1Optimal design of a novel enhanced inerter-based tuned mass damper in seismic-excited structures considering SSI effects
Araz, Onur; Shahraki, Mohammad Alibabaei
This paper proposed a novel enhanced inerter-based tuned mass damper (E-TMDI) for the control of damped single-degree-of-freedom structures due to ground acceleration. The apparatus represents an energy-dissipating passive absorber assembled from a pair of inerter elements, a pair of springs, a single mass, and a single damper. The present work directly integrates soil-structure interaction (SSI) effects within the optimization process, thereby yielding more accurate and dependable outcomes. For a clearer insight into the control mechanism of E-TMDI, the frequency-domain transfer function for responses is derived, while the influences of various model parameters on the displacement amplitude magnification factor of the superstructure both considering and neglecting SSI are examined. Four design parameters (i.e., f 1 first frequency ratio, f 2 secondary frequency ratio, ξ1 damping ratio, and κ inertance ratio of the second inerter to the first) of E-TMDI are obtained using particle swarm optimization (PSO) algorithm to minimize peak displacement amplitude of the structure. Results from the frequency domain analyses in this research indicate that the proposed E-TMDI has better efficiency and frequency band property both traditional TMD and TMDI configurations when equipped with same total mass (μ) and inertance ratio (β) in suppressing structural vibrations. Additionally, the stability of the proposed device is examined through simulations of the E-TMDI-equipped structure under a range earthquake record. The findings reveal that the E-TMDI maintains superior effectiveness even when the host structure experiences diverse earthquake events. This validation, conducted under real earthquake records, confirms the reliability of this design framework, filling a significant gap in determining the seismic control performance of E-TMDI under varying soil conditions.
AtıfScopus19WoS19OpenAlex20İncele - MakaleAçık Erişim2026Scopus SJRQ1Place attachment of earthquake victims residing in Antakya (Hatay) after the Kahramanmaraş earthquakes on February 6, 2023
Fakıoğlu, Merve; Mızrak, Sefa
People affected economically, environmentally, physically, and psychologically by the earthquake may be reluctant to move to safer and more comfortable places for various reasons. Investigating the factors that influence people’s place attachment after devastating earthquakes will enable the creation of sustainable communities and cultures. This study examined the impact of earthquake experience, preparedness, place-protective behavior, social support, insecurity, price increase, the surrounding environment, self-efficacy, and risk perception on place attachment among earthquake victims in Antakya following the February 6, 2023, Kahramanmaraş earthquakes. Data were collected via surveys from 453 earthquake victims in the Antakya region of Hatay (Türkiye) province, one year after the earthquakes. Eleven ordered logistic regressions revealed the strength and direction of the factors affecting place attachment. Earthquake victims who were injured, lost relatives, were not evacuated, and were not disturbed by the rubble had higher place attachment. Earthquake preparedness, formal social support, post-earthquake insecurity, post-earthquake price increase, self-efficacy, and earthquake risk perception did not affect place attachment. Sustainability and place-protective behavior increased place attachment. Furthermore, place attachment was higher among men and those who lived longer in Antakya. This study is expected to guide managers, disaster experts, and non-governmental organizations who develop strategies to increase people's place attachment in disaster-affected regions.
- MakaleAçık Erişim2026Scopus SJRQ1Examination of Post-Traumatic Stress Reaction, Quality of Life, and Loneliness Levels in Adolescents Who Experienced an Earthquake
Akay, Gamze; Koç, Elif Simay; Oğuzhan, Hatice
The aim of this study is to investigate the relationship between post-traumatic stress, quality of life, and loneliness levels in adolescents following the earthquakes centered in Kahramanmaraş. The research, designed as descriptive and correlational, was conducted with 701 children aged 13–18 who experienced the earthquake in Kahramanmaraş. Data were collected through a Demographic Information Form, the Child Post-Traumatic Stress Reaction Index, the Pediatric Quality of Life Inventory, and the UCLA Loneliness Scale-Short Form. Ethical principles were adhered to throughout the study. Female adolescents were found to have higher levels of post-traumatic stress (t = 3.508, p < 0.001) and lower quality of life (t = 4.223, p < 0.001). The adolescents exhibited severe levels of post-traumatic stress (55.25 ± 13.80). It was determined that the mother’s education level (F = 4.423, p = 0.002), the father’s occupation (F = 2.859, p = 0.036), and perceived income level (F = 5.912, p = 0.003) significantly influenced adolescents’ loneliness levels. The father’s occupation (F = 3.403, p = 0.017) was found to have a significant effect on post-traumatic stress levels, and perceived income level (F = 4.753, p = 0.009) had a significant effect on quality of life. A moderate negative correlation was found between post-traumatic stress levels and quality of life (r = −0.474, p < 0.001), and a weak positive correlation was observed between post-traumatic stress and loneliness levels (r = 0.215, p < 0.001). A weak negative correlation was also found between quality of life and loneliness levels (r = −0.284, p < 0.001). A moderate negative correlation was found between adolescents’ post-traumatic stress levels and quality of life, while a weak positive correlation was observed between post-traumatic stress levels and loneliness. It is recommended to provide psychological support and guidance services aimed at reducing post-traumatic stress and loneliness levels in adolescents.
AtıfScopus3WoS3OpenAlex3İncele - MakaleYalnız künye2026Scopus SJRQ2‘An unforgettable night’: experiences and coping styles of young adult survivors of the earthquake
Yücel, İbrahim; Türkkan, Tuğba; Yoldaş, Nergiz; Duman, Münevver
This study aimed to find out the experiences and coping styles of young adults affected by the Kahramanmaraş-centered earthquakes that took place on 6 February 2023, during and after the earthquake. Qualitative research method and phenomenological approach were used in the study. In-depth interviews were conducted with 33 young adults who were selected using the purposive sampling technique. The interviews with earthquake survivors were conducted approximately two months after the earthquake and took place in the temporary housing facilities to which they had been relocated. The research findings showed that many young people experienced the night of the earthquake as an unforgettable night. It was also found that the support provided after the earthquake was inadequate to meet the needs of survivors. Certain changes occurred in the family relations and personality traits of survivors after the earthquake. Young adults experienced some difficulties after the earthquake and developed a series of coping mechanisms to overcome such difficulties. At the end of the research, recommendations are made for field workers and policy makers from a psychological perspective.
- Yüksek Lisans TeziAçık Erişim20256 Şubat Kahramanmaraş depremlerine müdahalede koordinasyonu etkileyen etmenler
Melike Çamurcu
Türkiye'de 6 Şubat 2023 tarihinde meydana gelen Kahramanmaraş merkezli depremler sonrası çok aktörlü ve sektörlü müdahale yapıları devreye girmiş; bu durum, koordinasyonun sağlanmasında ciddi zorluklar yaratmıştır. Bu doğrultuda afet durumlarında koordinasyon süreçlerinin ne şekilde yürütüldüğü, ekip içi ve ekipler arası koordinasyonu etkileyen etmenler ve koordinasyon faaliyetlerini olumsuz etkileyen faktörlerin değerlendirilmesi önem arz etmektedir. Mevcut çalışma 2023 Kahramanmaraş merkezli depremlere müdahale aşamasında koordinasyon süreçlerinde yaşanan sorunların incelenmesini ve afet müdahale süreçlerinde koordinasyonun nasıl iyileştirilebileceğine dair somut öneriler sunulmasını amaçlamaktadır. Çalışma, nitel araştırma yöntemlerinden, yarı yapılandırılmış görüşmeler kullanılarak afet koordinasyon merkezinde görev almış uzman katılımcılardan veri toplanmasına dayanmaktadır. Görüşme verilerinin analizinde tematik analiz aşamaları takip edilmiş olup koordinasyon sorunlarının afet yönetimi sistemindeki kurumsal yapılar ve bürokratik işleyiş, insan kaynağı ve ekip yönetimi, kurumlar arası yönetişim dinamikleri, kaynak yönetimi ve lojistik, karar sistemleri ve liderlik, olay yeri güvenliği ve risk yönetimi, iletişim ve bilgi akışı olmak üzere 7 ana tema 22 alt tema kaynaklı ortaya çıktığı tespit edilmiştir. Çalışma sonuçları kriz yönetimi modellerinde merkeziyetçi yapının getirdiği koordinasyon sorunlarının azaltılması için çok düzlemli, yerel aktörleri yetkilendiren, yatay örgütlenme temelli, etik, katılımcı, esnek ve iş birliğine dayalı yönetişim modellerine geçilmesinin gerekliliğini ortaya koymaktadır. Ayrıca görev tanımları ve yetki sınırlarını netleştiren görev yönetim sistemleri kurulması, görev bazlı modüler eğitimler hazırlanması, nicel karar karar destek sistemlerinin kullanılması, hiyerarşinin sadeleştirilmesi ve yetki devri protokolleri oluşturulması, uluslararası standartlarda insani yardım güvenlik protokollerinin benimsenmesi ve önceliklendirme kriterlerinin belirlenmesi önerilmektedir.
- MakaleYalnız künye2025Scopus SJRQ1First responders’ thoughts and experiences about the international search and rescue teams during the Kahramanmaras earthquakes
Kolcu, Veysel Karani; Mızrak, Sefa
National capacity may be insufficient for disasters that affect many settlements and people simultaneously. This situation requires international humanitarian assistance for post-disaster search and rescue, public health, nutrition, security, and coordination. The objective of this study was to reveal the opinions of first responders about the work of the (international search and rescue) ISAR teams following the earthquakes that occurred in Türkiye on 6 February 2023. Data were collected using a semi-structured interview form with 41 first responders who had worked with them or observed their work, and analyzed via thematic analysis using the MAXQDA 24 programme. The results were presented under seven themes: devotion, equipment and material sufficiency, knowledge and experience, coordination, cooperation, communication, and psychological resilience. The first responders stated that the ISAR teams worked wholeheartedly and that their knowledge, expertise, and equipment were sufficient and advanced. They also indicated that the teams worked in a coordinated manner and that their harmony with local teams and the public was great. However, when working with them, language-related communication barriers negatively affected the workflow. The results of this study will provide insight to organisations and managers who develop and implement international humanitarian aid policies.
- MakaleAçık Erişim2025Scopus SJRQ1The evaluation of the mediation role of life engagement in resilience and trauma levels of individuals experiencing the earthquake in Kahramanmaraş, Türkiye
Özmaya, Esma; Erkoç, Beyza; Kalaycı, Sami; Uzun, Sevda; Lotfi, Sayra
The aim of this study is to evaluate the mediation role of life engagement in resilience and trauma levels of individuals experiencing the earthquake on February 6, 2023 in the city of Kahramanmaraş in Türkiye. The sample of this descriptive and correlational study included 1406 individuals. The questionnaire data was obtained through Google Forms and other data collection tools were Socio-demographic Information Form, Trauma Level Determination Scale, Short Resilience Scale and Life Engagement Scale. To analyse the data, frequency (percentage, arithmetic mean) and correlation analyses were used. Depending on the findings of the study, the resilience and trauma levels were negatively correlated, whereas the resilience and life engagement levels were positively correlated. Furthermore, the life engagement levels were negatively correlated with trauma levels while they were positively correlated with resilience. It was found that the life engagement played an mediation role in resilience and trauma levels of individuals experiencing the earthquake in Kahramanmaraş, Türkiye. In this study, we found that the life engagement has an important role in resilience and trauma levels of individuals. We are of the opinion that the findings of this study might help researchers and conductors to plan and perform effective strategies for post-impact phase of an earthquake.
AtıfScopus1WoS1OpenAlex1İncele - MakaleAçık Erişim2025Scopus SJRQ2The effect of psychoeducation on hope, loneliness and depression of nursing students who experienced 6 February 2023 Turkey earthquake
Çakmak, Seher; Uzun, Sevda; Dere, Cansu; Akdemir, Rabia Rümeysa; Baygin, Şevval; Çoban, İclal Gül
Psychoeducation after a traumatic event can help reduce negative effects by providing a cognitive framework for one’s experience. It can also enable trauma survivors to increase their ability to help coping. The aim of this study was to examine the effect of psychoeducation on hope, loneliness and depression in nursing students who experienced 6 February 2023 Turkey earthquake. The study, which was conducted in experimental design, included 40 students who experienced the February 6 earthquake. 20 students were assigned to the psychoeducation group and 20 students to the control group. Students in the psychoeducation group received six sessions of psychoeducation, while students in the control group were not intervened. ’Personal Information Form’, ‘Beck Hopelessness Scale’, ‘UCLA Loneliness Scale’ and ‘Beck Depression Scale’ were used to collect the data. Mean, standard deviation and percentage calculations, chi-square test and t test were used to analyze the data. Sociodemographic characteristics of the students in the psychoeducation and control groups were similar except for the place of residence (p > 0.05). It was determined that the mean score of the hope sub-dimension of the ’Beck Hopelessness Scale’ was statistically significantly higher in the control group (p < 0.05). It was determined that there was no statistically significant difference between the students in the psychoeducation and control groups in terms of hopelessness levels and mean scores of ‘UCLA Loneliness Scale’ and ‘Beck Depression Scale’ (p > 0.05). There was a statistically significant difference between the students in the psychoeducation and control groups in terms of depression levels (p < 0.05). In conclusion, psychoeducation was partially effective on hope and depression and not on loneliness in students who experienced the earthquake. Students in the psychoeducation group had lower levels of depression. It is recommended that students experiencing natural disasters such as earthquakes should be monitored by a specialized psychologist and the duration of psychoeducation should be regulated.
AtıfScopus2WoS2OpenAlex3İncele - MakaleYalnız künye2025Scopus SJRQ1Optimal design of inerter-assisted series tuned mass dampers for seismic vibration control of multi-story buildings
Araz, Onur
This work introduces a framework for the optimal design of inerter-assisted series tuned mass dampers (STMDI) placed at the top story of a multi-story building under ground motion and performs comparative research to assess its effectiveness against conventional TMDI. The identical inertance ratio and total mass ratio are taken into consideration for the optimization of both control systems. In the frequency-domain analysis, the five design variables of the STMDI are optimized based on the minimization of the peak amplitude of the displacement transfer function at the top story of the building using the genetic algorithm (GA). The optimized variables are damping ratios (ξ1and ξ2), tuning frequency ratios (f1and f2), and mass ratio of the first to second TMD mass (µh). The proposed control system is applied to a 4-story, an 8-story, and a 16-story case-studies, and the optimal parameters are verified using eighty-five historical benchmark earthquakes in time domain analysis. These records are divided into three different groups according to their frequency content, i.e. PGA/PGV ratio: high, intermediate, and low. The results demonstrate that the STMDI performs better than the TMDI at the same mass and inertance ratio, especially at excitation frequencies close to resonance. The most important advantage of STMDI compared to TMDI is that it provides this performance in a wider frequency range and in an almost similar way. Finally, the seismic performances of STMDI and TMDI are compared considering ground motions with different frequency content.
AtıfScopus24WoS25OpenAlex26İncele - MakaleYalnız künye2025Scopus SJRQ3Factors Influencing Coordination Dynamics in Disaster Response: Governance Insights from the 2023 Kahramanmaraş Earthquakes
Camurcu, Melike; Oral, Vildan; Cengiz, Ekrem
Following the 2023 Kahramanmaraş-centered earthquakes in Türkiye, multi-actor and multi-sectoral response structures were implemented, creating significant challenges in coordination. Accordingly, the current study aims to assess the factors affecting intra- and inter-team coordination in disaster response processes, as well as the factors that negatively impact coordination activities, and to propose recommendations for improvement. The study is based on data collection from expert participants working at the disaster coordination center using qualitative research methods. Thematic analysis was used in the analysis of interview data, and coordination problems were identified as arising from seven main themes. The results highlight the importance of reducing centralization, modular training, empowering local actors, horizontal organization, delegation of authority, and participatory governance models. Content of this journal is licensed under a Creative Commons Attribution 4.0 International Non-Commercial LicenseTÜRK
AtıfOpenAlex1TR Dizin1İncele - Doktora TeziAçık Erişim2024Korunma motivasyonu teorisinin genişletilmiş modeline dayalı depreme hazırlık davranışlarını etkileyen faktörler ölçeği geliştirme çalışması
Hasan Yücel
Bireylerin depreme hazırlık kararlarını etkileyen faktörleri belirlemek için deprem tehlikesi yüksek bölgelerde yaşayan bireyler tarafından risk azaltıcı önlemlerin uygulanmasını incelemek amacıyla Korunma Motivasyonu Teorisinin 1983 yılında revize edilmiş ve genişletilmiş modeline dayalı Depreme Hazırlık Davranışlarını Etkileyen Faktörler Ölçeği geliştirme çalışması yapılmıştır. Ölçek geliştirme açısından metodolojik, bireylerde depreme hazırlık davranışlarını etkileyen faktörleri ortaya koymak açısından da tanımlayıcı araştırma tasarımı kullanılmıştır. Ölçek geliştirme pilot ve ana uygulamayı içeren iki süreçte gerçekleştirilmiştir. Bu çalışmada pilot uygulamada 50 katılımcıya ulaşılmıştır. Pilot uygulama sonrası ana uygulamada taslak ölçek küme örnekleme yöntemi ile seçilen 11 mahalleden toplamda 826 katılımcıya 12.12.2022-02.05.2023 tarih aralığında ulaşılmıştır. Verilerin analizinde IBM SPSS Statistics 25 ve AMOS 24.0 paket programları kullanılmıştır. Aşırı değerler temizlendikten sonra 804 veri ile demografik değişkenler ve ölçek maddeleri değerlendirilmiştir. Ölçeğin yapı geçerliliği için ilk 402 kişilik gruptan alınan verilerle Açıklayıcı Faktör Analizi ikinci 402 kişilik gruptan alınan verilere ise Doğrulayıcı Faktör Analizi yapılmıştır. Ölçeğin son hali dört boyuttan 24 maddeden oluşmaktadır. Genel Cronbach alfa değeri 0,883 olup her boyut için 0,7'nin üzerindedir. Kaiser-Meyer-Olkin değeri 0,898, Bartlett küresellik testi anlamlı ve açıklanan toplam varyans %51'dir. Doğrulayıcı faktör analizi sonuçları ölçüm ve yapısal modelin iyi uyuma sahip olduğunu göstermiştir. (χ2/df = 1,779; RMSEA = 0,44; CFI = 0,96; NFI = 0,91; TLI = 0,95; p<0,001). Bulgular Depreme Hazırlık Davranışlarını Etkileyen Faktörler ölçeğinin, insanların depreme hazırlık davranışlarına katılımını etkileyen faktörleri açığa çıkarmak için geçerliliği ve güvenilirliği kanıtlanmış bir ölçek olduğunu göstermiştir. Çalışma sonucunda algılanan yeterliliğin bireylerin depreme hazırlık davranışlarına katılımında en önemli faktör olduğu saptanmıştır.
- MakaleAçık Erişim2024A NEW LOGARITHMIC TYPE ESTIMATORS FOR ANALYSIS OF NUMBER OF AFTERSHOCKS USING POISSON DISTRIBUTION
Zaman, Tolga; Iftikhar, Soofia; Sozen, Caglar; Sharma, Prayas
Earthquake is a fierce and unavoidable natural disaster. The study of aftershocks following an earthquake provides a comprehensive understanding of seismic activity, making it an important area of research. Although it is important to mention that the use of the Poisson distributed population, to estimate the mass mean of rare events such as earthquakes, has been little studied in the literature. In this context, this study proposes a new class of logarithmic type ratio estimators for estimating the mean of a Poisson distributed population in a simple random sampling without replacement. The proposed estimators are obtained using the logarithmic transformation of the ratio estimator, and the expressions for the mean square error (MSE) are also derived to the first order of approximation. The study demonstrates that the proposed logarithmic type estimators are more efficient than the existing estimators, both theoretically and empirically. The Empirical evidence from a real data study conducted using earthquake data from Turkey confirms the superiority of the proposed estimators over the existing estimators. The study provides valuable insights for researchers and practitioners working with Poisson distributed populations and requiring ratio estimators using simple random sampling without replacement.
AtıfWoS6OpenAlex4İncele - Editöre MektupYayıncıda açık erişim2024Scopus SJRQ3The Great Destruction - Turkey in the Earthquake of the Century: A Health Sector Perspective
Ulutaşdemir, Nilgün; Kulakaç, Nurşen
- MakaleAçık Erişim2024Scopus SJRQ1Geophysical and numerical approaches to solving the mechanisms of landslides triggered by earthquakes: A case study of Kahramanmaraş (6 February, 2023)
Sari, Mahmut
Many landslides occurred in the 11 Turkish provinces affected by the earthquakes centered in Kahramanmaraş in February 2023, and many people lost their lives due to those landslides. To reduce the risks and hazards brought on by landslides induced by earthquakes, it is essential to identify the mechanisms causing landslides to arise in such situations. In this study, the geological strength index and both seismic refraction tomography and electrical resistivity tomography (ERT) geophysical methods were used to determine the failure mechanism of layered sedimentary units defined as flysch (claystone-siltstone-sandstone-marl). The shear strength reduction finite element method (SSR-FEM) was used with the RS2 computer program for model solutions. One of the geophysical methods, ERT, facilitated an interpretation of the cyclic failure mechanism that occurs in flysch, and it was found to be congruent with numerical models. Landslide slip circle depth, water-saturated layers, and resistivity values were determined with the ERT method. Seismic methods were employed to determine the velocity values (Vp, Vs) of the landslip mass. These velocity data, along with the elasticity modulus and Poisson ratios derived from them, were utilized in our numerical model. In the maximum shear strength and horizontal displacement analyses performed on the section line determined before the landslide, the natural state and the situation under the influence of groundwater were examined and the strength reduction factor (SRF) was determined as 1.35 and 1.24, respectively. In an evaluation conducted under the influence of the maximum horizontal ground acceleration (0.22 g) determined by taking into account the seismicity of the study area, it was concluded that instability occurred in the flysches and the SRF value was 0.72. An important finding of this study is that the results of geophysical methods used to determine the lithological properties of sedimentary rock masses and understand the causes of landslides align closely with those of numerical analysis methods, providing high accuracy. These methods also support new approaches, particularly in identifying landslip boundaries and detecting areas with high water saturation. It has been discovered that earthquakes actively contribute to the instability of these kinds of soils.
AtıfScopus6WoS5OpenAlex6İncele - MakaleAçık Erişim2024Scopus SJRQ2Earthquake diaries: Psychosocial difficulties and life experiences of nurses working in the disaster zone after the earthquake: A phenomenological study
Emirza, Elif Güzide; Uzun, Sevda; Şenses, Medine
Aim and Objectives: The aim of this study was to evaluate the psychosocial difficulties and life experiences of nurses working in the disaster area following the earthquake on February 6, Kahramanmaraş centered earthquake with a phenomenological approach. Background: After natural disasters such as earthquakes, nurses play a significant role in providing both physical and psychosocial support. Therefore, the experiences of nurses in this field are necessary both to support them and to assist disaster survivors. Materials and Methods: In this study, in which the phenomenological research method was used, semi-structured in-depth interviews with 18 nurses who provided health care services during the February 6 Kahramanmaraş earthquake were conducted between January and February 2024 via Whatsapp mobile application. Snowball sampling method was used to reach the sample group. Interviews continued until data saturation was achieved. All interviews were audio recorded and then transcribed. The data were analyzed using thematic analysis. The study was conducted and reported according to the COREQ checklist. Results: Data analysis revealed two themes (psychological and social difficulties caused by the earthquake, traumatic stress and coping experiences as a nurse) and five sub-themes (social difficulties, psychological difficulties, traumatic events, reactions and coping). Conclusion: As a result of the study, it was determined that nurses providing health care services were negatively affected psychosocially by the traumatic stress situations they experienced in the earthquake centered in Kahramanmaraş on February 6. It was determined that nurses had great difficulty in coping with the traumatic stress situations they experienced. It was concluded that the February 6 earthquake caused secondary traumatization in nurses.
AtıfScopus21WoS20OpenAlex24İncele - MakaleAçık Erişim2024Scopus SJRQ2Seismic Disturbances and Geodetic Effects: Unraveling the Impact of the Mw = 6.2 Petrinja Earthquake on the Croatian Positioning System CROPOS
Bjelotomić Oršulić, Olga; Varga, Matej; Yalvac, Sefa
A destructive Mw = 6.2 earthquake struck NW Croatia on 29 December 2020, ranking among the most hazardous events in the country in the last century. This study assesses the impact of the earthquake on the permanent geodetic stations of the Croatian national positioning system. Using a novel approach, we combined positioning station data with satellite radar data for the first time in a geodynamic study across Croatia. The analysis involved collecting daily solutions data from 11 nearby network stations as well as multi-temporal satellite images before and after the earthquake. The results reveal a significant co-seismic shift, with the Sisak reference station experiencing the largest displacement of 5 cm to the southeast. Stations up to 100 km from the epicenter exhibited horizontal shifts between 1 and 2.5 cm and vertical shifts between 2 and 4 cm. Satellite images confirmed the co-seismic effects on the permanent stations. The study establishes a strong correlation between geodetic and geological findings, suggesting that vertical displacements result from superficial deposit consolidation in the river plains due to the earthquake shaking, while positional displacement reflects tectonic block movements along the activated strike-slip fault system. The late 2020 earthquake may have further relaxed the accumulated strain on the Mt. Medvednica thrust fault system, which had ruptured in early 2020 with a lower magnitude than expected.
AtıfScopus1WoS1OpenAlex1İncele - MakaleAçık Erişim2024Scopus SJRQ1The relationship between the psychological resilience levels and ruminative thought styles of nurses providing care for earthquake victims: 2023 earthquake in Kahramanmaraş, Türkiye
Çobanoğlu, Asuman; Oğuzhan, Hatice
Traumatic cases experienced during earthquakes, which are considered among acts of God, may cause multiple and severe impacts on healthcare professionals. This research aimed to examine the ruminative thought styles and psychological resilience level of nurses who provided care services to the victims after the earthquake that struck Kahramanmaraş, Türkiye on February 6-7th. This descriptive and correlational study was conducted with 225 nurses. Research data were collected using the Personal Information Form, Ruminative Thought Style Questionnaire and Brief Resilience Scale. A negative and moderate relationship was determined between the psychological resilience level of nurses and their ruminative thought style (r = -0.477, p < 0.05). The psychological resilience level of nurses who received training on disasters and psychological resilience was determined to be higher whereas their ruminative thought tendency was lower (p < 0.05). It was determined that the ruminative thought style of the nurses decreased as their psychological resilience level increased. Trainings on disaster nursing and aiming to increase the psychological resilience level may be recommended in order to improve the psychological resilience of nurses.
AtıfOpenAlex2İncele - MakaleYayıncıda açık erişim2024Scopus SJRQ1Public's social media use during the Kahramanmaraş earthquakes on 6 February 2023
Mızrak, Sefa
Social media facilitates crisis management and emergency response efforts by disseminating disaster information during disasters. Understanding the positive and negative contributions of social media to disaster management after devastating disasters will make social media more effective and efficient for crisis management in the future. The objective of this study was to investigate the public's social media use in the 15-day period after the earthquakes that occurred on February 6, 2023, in Türkiye. The study was designed both quantitatively and qualitatively. The data were collected from 1698 people residing in Türkiye via a survey method and analyzed via descriptive, ordinal logistic regression, and thematic analysis. The thoughts of 245 participants regarding social media use were analyzed qualitatively. The results showed that social media was employed as a powerful resource for sharing information after the earthquakes. The participants used Instagram the most and followed the social media accounts of the institutions the most. Posting the physical and psychological damage of earthquakes and humanitarian aid negatively affected the participants and caused them to think that social media was useless. Due to the information shared by social media phenomena and nongovernmental organizations, the participants stated that social media was useful after the earthquakes. For people to share posts that will contribute to search and rescue, aid and damage assessment on reliable and high-follower social media accounts, disaster managers, scientists and policy makers should understand communities' usage intentions, satisfaction and criticism regarding social media accounts and platforms during previous disasters.
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