Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Sefa Yalvaç"'
Autor:
Selçuk Alemdag, Sefa Yalvaç, Olga Bjelotomić Oršulić, Osman Kara, Halil İbrahim Zeybek, Hasan Tahsin Bostanci, Danko Markovinović
Publikováno v:
Sensors, Vol 24, Iss 15, p 4995 (2024)
The escalating occurrence of landslides has drawn increasing attention from the scientific community, primarily driven by a combination of natural phenomena such as unpredictable seismic events, intensified precipitation, and rapid snowmelt attributa
Externí odkaz:
https://doaj.org/article/cf5160c885ae4f52a8a0aceae276cd27
Autor:
Arzu Erener, Metin Aşcı, Gül Gülsoy, Aydın Üstün, Muhammed Ali Güvenaltın, Erman Şentürk, Sefa Yalvaç, Fatma Canaslan Çomut, T. Serkan Irmak, Haluk Konak, Pakize Küreç Nehbit, Efdal Kaya, Burak Kotan, Selin Öye
Publikováno v:
Doğal Afetler ve Çevre Dergisi, Vol 8, Iss 1, Pp 111-121 (2022)
Since December 2017, with the support of Kocaeli Metropolitan Municipality and with the leadership of Kocaeli University Geomatic Department, TÜBİTAK project numbered 117Y155 and titled “Monitoring of Vertical Displacements in East Marmara (Izmit
Externí odkaz:
https://doaj.org/article/9b5a6830c8244b4b891b09c6c8c5120c
Autor:
Arzu Erener, Metin Aşcı, Gül Gülsoy, Aydın Üstün, Muhammed Ali Güvenaltın, Erman Şentürk, Sefa Yalvaç, Fatma Canaslan Çomut, T. Serkan Irmak, Haluk Konak, Pakize Küreç Nehbit, Efdal Kaya, Burak Kotan, Selin Öye
Publikováno v:
Doğal Afetler ve Çevre Dergisi, Vol 8, Iss 1, Pp 111-121 (2022)
Since December 2017, with the support of Kocaeli Metropolitan Municipality and with the leadership of Kocaeli University Geomatic Department, TÜBİTAK project numbered 117Y155 and titled “Monitoring of Vertical Displacements in East Marmara (Izmit
Autor:
Sefa Yalvaç
Publikováno v:
Earth Science Informatics. 14:193-200
Galileo navigation system has significantly expanded satellite constellation over the last few years and now serves with 22 satellites in three orbital planes. The development of the Galileo is not only limited to the number of satellites in the spac
Publikováno v:
Sensors, Vol 21, Iss 774, p 774 (2021)
Sensors (Basel, Switzerland)
Sensors
Volume 21
Issue 3
Sensors (Basel, Switzerland)
Sensors
Volume 21
Issue 3
The Karapinar basin, located in the Central Anatolian part of Turkey, is subjected to land subsidence and sinkhole activity due to extensive groundwater withdrawal that began in the early 2000s. In this study, we use Interferometric Synthetic Apertur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aecd6a3a00e534b72e5397b0852af902
https://aperta.ulakbim.gov.tr/record/237940
https://aperta.ulakbim.gov.tr/record/237940
We investigated rupture geometry, size, and slip distribution of October 30, 2020, Samos (Sisam)-Kusadasi earthquake combining seismographs, GPS measurements, and SAR analysis. Right after the earthquake, we measured 13 additional campaign-based GPS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d375999f4b9076dafda770b7d5371684
https://hdl.handle.net/20.500.12440/4099
https://hdl.handle.net/20.500.12440/4099
Autor:
Sefa Yalvaç
Publikováno v:
Environmental Monitoring and Assessment. 192
This study aimed to validate the interferometric synthetic aperture radar (InSAR) method by using relative and absolute Global Navigation Satellite System (GNSS) techniques. In this context, two land subsidence areas, one high (Mexico City) and one m
Autor:
Sefa Yalvaç
Publikováno v:
Volume: 10, Issue: 3 695-701
Gümüşhane Üniversitesi Fen Bilimleri Dergisi
Gümüşhane Üniversitesi Fen Bilimleri Dergisi
Bu çalışmada, HNK (Hassas Nokta Konumlama) yönteminin kabuk deformasyonubelirleme çalışmalarında kullanılabilirliği, rölatif GNSS (Global NavigationSatellite System) analizleri eşliğinde araştırılmıştır. Bu amaçla, KuzeyAnadolu Fa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb7f82bed4d1f35d80462ed235c1cef4
https://hdl.handle.net/20.500.12440/4639
https://hdl.handle.net/20.500.12440/4639
Autor:
M. Berber, Sefa Yalvaç
Publikováno v:
Measurement. 124:173-178
GALILEO (Europe’s Global Navigation Satellite System) is going full speed ahead to achieve full constellation by 2020. Since GALILEO is currently an emerging system, the contribution of these satellites to GNSS (Global Navigation Satellite System)
Autor:
Aydin Ustun, Sefa Yalvaç
Publikováno v:
Earth Science Informatics. 11:359-371
Multipath, a highly autocorrelated signal is observable phenomena during time periods longer than the sidereal period of Global Positioning System (GPS) satellites in their constellations. Multipath pattern and sidereal repeat time interaction are ex