Zobrazeno 1 - 10
of 35
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:
Water, Vol 7, Iss 8, Pp 4323-4342 (2015)
The main aim of this research was to improve risk mapping of heavy metals by taking account of erosion effects. A new spatiotemporal index, namely the G2met index, is introduced, with integration of pre-existing methodologies (Hakanson, EPM, and G2).
Externí odkaz:
https://doaj.org/article/b7aed850dc03437b9ed7efacc08d9464
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:
Khadijeh Haji, Abdulvahed Khaledi Darvishan, Shahin Mohammadi, Christos G. Karydas, Fatemeh Balouei
Publikováno v:
International Journal of Digital Earth. :1-21
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 so...
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...
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