Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Christos G. Karydas"'
Autor:
Shahin Mohammadi, Fatemeh Balouei, Khadijeh Haji, Abdulvahed Khaledi Darvishan, Christos G. Karydas
Publikováno v:
International Journal of Digital Earth, Vol 14, Iss 8, Pp 1019-1039 (2021)
The aim of this study was the spatial and temporal monitoring of soil erosion patterns in Iran. The G2 model was used, as an appropriate tool to provide the required month-time step country-wide soil loss maps and statistical outputs. The input param
Externí odkaz:
https://doaj.org/article/ae4de0eb41554d00a622343be81356b1
Autor:
Christos G. Karydas
Publikováno v:
Fractal and Fractional, Vol 5, Iss 3, p 127 (2021)
In this research, the geographic, observational, functional, and cartographic scale is unified into a single mathematical formulation for the purposes of earth observation image classification. Fractal analysis is used to define functional scales, wh
Externí odkaz:
https://doaj.org/article/5b503da5137d451ab48f60e93fc9ed8e
Publikováno v:
Remote Sensing, Vol 7, Iss 5, Pp 5012-5041 (2015)
In this study, the Land Use/Cover Area frame statistical Survey (LUCAS) of 2009 was used as a reference dataset for validating a Land Cover Map of Greece for 2007, produced with remote sensing by the Greek Office of the World Wildlife Fund (WWF Hella
Externí odkaz:
https://doaj.org/article/f2b143c173904941b9106f14631a3c88
Publikováno v:
Remote Sensing, Vol 6, Iss 8, Pp 6897-6928 (2014)
This study investigates the effectiveness of combining multispectral very high resolution (VHR) and hyperspectral satellite imagery through a decision fusion approach, for accurate forest species mapping. Initially, two fuzzy classifications are cond
Externí odkaz:
https://doaj.org/article/1094e595a12346eeae43850b7b656e6a
Autor:
Vassilis Aschonitis, Christos G. Karydas, Miltos Iatrou, Spiros Mourelatos, Irini Metaxa, Panagiotis Tziachris, George Iatrou
Publikováno v:
Agriculture, Vol 9, Iss 4, p 80 (2019)
The aim of this study is to develop an integrated approach to soil quality and fertility assessment in high-yielding rice agro-ecosystems threatened due to overexploitation of soil resources by intensive agriculture. The proposed approach is implemen
Externí odkaz:
https://doaj.org/article/7b65acf53a554bd19910b41cd9beefa3
Publikováno v:
Agriculture, Vol 3, Iss 3, Pp 362-380 (2013)
Soil erodibility is among the trickiest erosion factors to estimate. This is especially true for heterogeneous Mediterranean environments, where reliable and dense soil data are rarely available, and interpolation methods give very low accuracies. To
Externí odkaz:
https://doaj.org/article/a182972de67043728281f290f159b23c
Autor:
Christos G. Karydas
Publikováno v:
International Journal of Remote Sensing. 41:2905-2933
After decades of research, optimal scale selection for image segmentation remains a key scientific problem in image analysis. In order to contribute to a solution, a new method was developed in this...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::562684d85a08a34094874b6d97a0d5fc
https://doi.org/10.1080/01431161.2019.1698071
https://doi.org/10.1080/01431161.2019.1698071
Autor:
Kostas Kravvas, Iason Raptis, George Iatrou, Miltiadis Iatrou, Ioannis Pitsiorlas, Stelios Mpetas, Vassilis Aschonitis, Christos G. Karydas, Spiros Mourelatos
Publikováno v:
Agriculture, Vol 11, Iss 312, p 312 (2021)
Agriculture
Volume 11
Issue 4
Agriculture
Volume 11
Issue 4
This research is an outcome of the R&
D activities of Ecodevelopment S.A. (steadily supported by the Hellenic Agricultural Organization—Demeter) towards offering precision farming services to rice growers. Within this framework, a new metho
D activities of Ecodevelopment S.A. (steadily supported by the Hellenic Agricultural Organization—Demeter) towards offering precision farming services to rice growers. Within this framework, a new metho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c34bb494cd9264ad6fcae02f60d2137e
https://www.mdpi.com/2077-0472/11/4/312
https://www.mdpi.com/2077-0472/11/4/312
Autor:
Christos G. Karydas, Panos Panagos
Publikováno v:
Water, Vol 12, Iss 2, p 603 (2020)
Water
Volume 12
Issue 2
Water
Volume 12
Issue 2
Gully erosion may cause considerable soil losses and produce large volumes of sediment. The aim of this study was to perform a preliminary assessment on the presence of ephemeral gullies in Greece by sampling representative cultivated fields in 100 s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e3f449ca00672b2510b367053d50a80
https://www.mdpi.com/2073-4441/12/2/603
https://www.mdpi.com/2073-4441/12/2/603
Publikováno v:
Geosciences, Vol 10, Iss 3, p 89 (2020)
Geosciences
Volume 10
Issue 3
Geosciences
Volume 10
Issue 3
This study aims at mapping soil erosion caused by water in the Candelaro river basin, Apulia region, Italy, using the G2 erosion model. The G2 model can provide erosion maps and statistical figures at month-time intervals, by applying non data-demand
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c56d15567a2dc1836fd91016bb7ad00
https://www.mdpi.com/2076-3263/10/3/89
https://www.mdpi.com/2076-3263/10/3/89