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Geyik Dağı Güncel Buzulları ve Morfometrik Özeliklleri

Year 2023, Issue: 84, 199 - 217, 31.12.2023
https://doi.org/10.17211/tcd.1395806

Abstract

Geyik Dağları, Geç Kuvaterner boyunca yoğun ve tekrarlanan buzullaşmalara maruz kalmıştır. Güncel bir buzulun varlığı bölgede yapılan daha önceki çalışmalarda doğrulanmamış veya tespit edilememiştir. Bölgede yerel gezgin olan Hasan Hüseyin Kahrıman’nın 27 Ekim 2023 tarihinde buzul varlığını sosyal medya aracılığı ile aktarması üzerine buzulları tanımlamak ve yerlerini belirlemek için uzaktan algılama yöntemleri kullanılmış ve Geyik Dağı’na yapılan arazi çalışması ile güncel buzulların varlıkları doğrulanmıştır. Bu çalışma aynı zamanda bilimsel olarak Geyik Dağı’nda güncel bir buzulun varlığını tanımlayan ve doğrulayan ilk çalışmadır. Belirlenen yayılış alanları üzerinden buzul modellemesi, ELA (Equilibrium Line Altitude) hesaplama araçları, bakı ve eğim intersect (kesiştirme) analizleri ile sirk morfometrisi yöntemleri kullanılarak buzulların ve içerisinde yer aldıkları sirkler ile yakın çevresinin özellikleri nicel verilerle ortaya konulmuştur. Buzul modellemesi neticesinde Geyik Orta Buzulu’nun toplam 6000 (±300) m2, Doğu Buzulu’nun 2030 (±100) m2 toplamda ise Geyik Dağı’ndaki buzulların 8030 (±480) m2 alana sahip olduğu tespit edilmiştir. Buzulların ortalama olarak uzunlukları 95 m (metre), ELA değeri ise 2619 m olarak hesaplanmıştır. Buzulların 12-30˚ eğim değerleri arasında ve tamamen kuzey bakılı alanlarda bulundukları tespit edilmiştir. Buzullar ve sirklerin morfolojik özellikleri, yüksek rakım, bakı özellikleri ve yüksek kar birikimi Geyik Dağı’ndaki buzulların bu kesimlerde korunmasına pozitif olarak etki etmiştir. Buzullar üzerinde yapılan karşılaştırmalı uydu görüntülerinde 06.09.2010 tarihinden günümüze kadar buzulların alansal olarak %50’sinden fazlasının erdiği ve önümüzdeki yıllarda etkisini giderek arttıran küresel ısınma ile beraber 5 yıl içerisinde tamamen ortaya kalkacağı tahmin edilmektedir.

Supporting Institution

Tübitak

Project Number

122Y360

Thanks

Bu çalışma, TÜBİTAK destekli 122Y360 numaralı 1001 Projesi ile desteklenmiştir.

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Current Glaciers and Morphometric Characteristics of Mount Geyik

Year 2023, Issue: 84, 199 - 217, 31.12.2023
https://doi.org/10.17211/tcd.1395806

Abstract

The Geyik Mountains have undergone intensive and repeated glaciations during the Late Quaternary. Despite previous studies, the presence of an active glacier in the region had neither been confirmed nor detected. Following the local explorer Hasan Hüseyin Kahrıman's social media announcement of glacier existence on October 27, 2023, remote sensing methods were employed to identify and locate the glaciers. Subsequent fieldwork on Geyik Mountain confirmed the presence of active glaciers. This study is also the first of its kind to scientifically identify and confirm the existence of an active glacier on Geyik Mountain. Glacier modeling, ELA (Equilibrium Line Altitude) calculations, slope and aspect intersect analyses, and cirque morphometry methods were utilized to quantify the characteristics of the glaciers and their surrounding areas. As a result of glacier modeling, it was determined that the Geyik Central Glacier covers a total area of 6000 (±300) m2, the East Glacier covers 2030 (±100) m2, with a combined glacier area on Geyik Mountain of 0.00803 (±0.00048) km2. The average length of the glaciers was calculated to be 95 m (meters), with an ELA value of 2619 m. The glaciers were found to have slope values predominantly in the range of 12-30˚, situated entirely in north-facing areas. The morphological features of glaciers and cirques, combined with high altitude, aspect characteristics, and significant snow accumulation, have positively contributed to the preservation of glaciers in the Geyik Mountains. Comparative satellite images of glaciers show that more than 50% of the glaciers have melted since 06.09.2010 and it is estimated that they will completely disappear within 5 years with the increasing global warming.

Project Number

122Y360

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There are 93 citations in total.

Details

Primary Language Turkish
Subjects Glaciology
Journal Section Research Articles
Authors

Ferhat Keserci 0000-0002-8653-6177

Gülan Güngör 0000-0002-1244-3453

Mahsum Bozdoğan 0000-0001-6624-4188

Ergin Canpolat 0000-0003-2123-3551

Zeynel Çılğın 0000-0002-8132-8774

Cihan Bayrakdar 0000-0001-5542-700X

Project Number 122Y360
Publication Date December 31, 2023
Submission Date November 25, 2023
Acceptance Date December 11, 2023
Published in Issue Year 2023 Issue: 84

Cite

APA Keserci, F., Güngör, G., Bozdoğan, M., Canpolat, E., et al. (2023). Geyik Dağı Güncel Buzulları ve Morfometrik Özeliklleri. Türk Coğrafya Dergisi(84), 199-217. https://doi.org/10.17211/tcd.1395806

Publisher: Turkish Geographical Society