Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Alexandru Onaca"'
Autor:
Diaa Sheishah, György Sipos, Károly Barta, Enas Abdelsamei, Alexandru Hegyi, Alexandru Onaca, Abbas M. Abbas
Publikováno v:
Journal of Environmental Geography, Vol 16, Iss 1-4, Pp 1-10 (2023)
Artificial levees have major importance in protecting human lives and infrastructure as they are essential elements of the flood protection measures. Nevertheless, the lack of the necessary information about their structure and inte
Externí odkaz:
https://doaj.org/article/09fc3168f7434b08bbb09b1ce546174c
Autor:
Alexandru Hegyi, Vlad Lăzărescu, Michał Pisz, László Lenkey, Mihály Pethe, Alexandru Onaca, Mădălina Nica
Publikováno v:
Heritage, Vol 6, Iss 2, Pp 829-848 (2023)
This paper summarizes the results of a recent geophysical investigation carried out at Porolissum, which is considered to be one of the most significant Roman sites in Romania. The geophysical survey was carried out within the latus dextrum of the fo
Externí odkaz:
https://doaj.org/article/c23d0816703e49f1a489b56165e3a7b9
Publikováno v:
Remote Sensing, Vol 15, Iss 22, p 5286 (2023)
In the Vrancea seismic region (Romanian Carpathians; the most important intermediate-depth seismic source of Europe), the morphology of the slopes is often marked by the existence of numerous high-magnitude, deep-seated active, dormant or relict land
Externí odkaz:
https://doaj.org/article/f5bed5005f424e15ad0d7a17f381cb5d
Autor:
Viorica Nagavciuc, Aurel Perșoiu, Carmen-Andreea Bădăluță, Oleg Bogdevich, Sorin Bănică, Marius-Victor Bîrsan, Sandu Boengiu, Alexandru Onaca, Monica Ionita
Publikováno v:
Water, Vol 14, Iss 16, p 2547 (2022)
The eastern part of Europe is very poorly represented in the Global Network for Isotopes in Precipitation (GNIP) database, mainly because the monitoring of the stable isotopes in precipitation started only recently compared with other regions. In thi
Externí odkaz:
https://doaj.org/article/04930b640de249ddbc74c7061d14e2c8
Autor:
Alexandru ONACA
Publikováno v:
Revista de Geomorfologie, Vol 19, Iss 1 (2018)
SEDIBUD Workshop, 11th Edition, Baru, Romania, September 5-8, 2017
Externí odkaz:
https://doaj.org/article/e328e4114a67409fa235543e7bfa243d
Autor:
Alexandru Hegyi, Dragoș Diaconescu, Petru Urdea, Apostolos Sarris, Michał Pisz, Alexandru Onaca
Publikováno v:
Remote Sensing, Vol 13, Iss 5, p 842 (2021)
A geophysical investigation was carried across the M3 burial mound from Silvașu de Jos —Dealu Țapului, a tumuli necropolis in western Romania, where the presence of the Yamnaya people was certified archaeologically. For characterizing the inner s
Externí odkaz:
https://doaj.org/article/84bb7291a5e34fccbfdaa5370ca186e4
Autor:
Florina Ardelean, Alexandru Onaca, Marinela-Adriana Chețan, Andrei Dornik, Goran Georgievski, Stefan Hagemann, Fabian Timofte, Oana Berzescu
Publikováno v:
Remote Sensing, Vol 12, Iss 23, p 3999 (2020)
Our study highlights the usefulness of very high resolution (VHR) images to detect various types of disturbances over permafrost areas using three example regions in different permafrost zones. The study focuses on detecting subtle changes in land co
Externí odkaz:
https://doaj.org/article/9914637637d14b69881b9343bfb89f6c
Autor:
Alexandru Hegyi, Apostolos Sarris, Florin Curta, Cristian Floca, Sorin Forțiu, Petru Urdea, Alexandru Onaca, Fabian Timofte, Michał Pisz, Sergiu Timuț, Mădălina Nica, Daiana Maciulschi, Andrei Stavilă
Publikováno v:
Remote Sensing, Vol 12, Iss 12, p 1975 (2020)
This study presents a new way to reconstruct the extent of medieval archaeological sites by using approaches from the field of geoinformatics. Hence, we propose a combined use of non-invasive methodologies which are used for the first time to study a
Externí odkaz:
https://doaj.org/article/4c52d646dcea49f1adf7c00e0aeced49
Autor:
Marinela-Adriana Cheţan, Andrei Dornik, Florina Ardelean, Goran Georgievski, Stefan Hagemann, Vladimir E. Romanovsky, Alexandru Onaca, Dmitry S. Drozdov
Publikováno v:
Remote Sensing, Vol 12, Iss 11, p 1863 (2020)
High-latitude regions are a hot spot of global warming, but the scarce availability of observations often limits the investigation of climate change impacts over these regions. However, the utilization of satellite-based remote sensing data offers ne
Externí odkaz:
https://doaj.org/article/8c297e2fe3f049e9891b004f33341838
Autor:
Michael Styllas, Alexandru Onaca, Florina Ardelean, Adrian Ardelean, Aurel Perșoiu, Christos Pennis
Despite the existence of numerous glaciers on the Mediterranean mountains during the Little Ice Age (LIA), many of these disappeared during the 20th century. However, periglacial conditions are sustained in the formerly glaciated alpine zones, preser
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40298aa981b832cb2d88e1e539821646
https://doi.org/10.5194/egusphere-egu23-5728
https://doi.org/10.5194/egusphere-egu23-5728