Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Sami Najem"'
Autor:
Saeideh Maleki, Nicolas Baghdadi, Hassan Bazzi, Cassio Fraga Dantas, Dino Ienco, Yasser Nasrallah, Sami Najem
Publikováno v:
Remote Sensing, Vol 16, Iss 23, p 4548 (2024)
Accurate crop type mapping using satellite imagery is crucial for food security, yet accurately distinguishing between crops with similar spectral signatures is challenging. This study assessed the performance of Sentinel-2 (S2) time series (spectral
Externí odkaz:
https://doaj.org/article/b7bb4eb67dbb40f19bee5ee7ac7742e2
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 1446-1461 (2024)
Cover crops are intermediary crops planted in between two main cash crops. They play a role in limiting nitrate leaching into groundwater. Currently, there is no database pertaining to cover crops despite their importance. The development period of c
Externí odkaz:
https://doaj.org/article/79a1a81679ed44878ca8a10d6147cbda
Publikováno v:
Remote Sensing, Vol 16, Iss 20, p 3838 (2024)
The radar-backscattering coefficient (σ0) depends on surface characteristics and instrumental parameters (wavelength, polarization, and incidence angle). For Sentinel-1 (S1), with incidence angles ranging from 25° to 45°, σ0 for similar targets t
Externí odkaz:
https://doaj.org/article/0f8a163dcef04e3ca4e1d2b63b6cbb9a
Autor:
Saeideh Maleki, Nicolas Baghdadi, Cassio Fraga Dantas, Sami Najem, Hassan Bazzi, Nuria Pantaleoni Reluy, Dino Ienco, Mehrez Zribi
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 16, Pp 8884-8899 (2023)
This study aims to enhance rapeseed field detection accuracy using Sentinel-1 (S1) time series data and addressing challenges in collecting ground samples. The proposed solutions include model transfer between years without retraining and secondly, d
Externí odkaz:
https://doaj.org/article/f5902960fed148f2ab43cb5a43745346
Publikováno v:
Remote Sensing, Vol 16, Iss 3, p 549 (2024)
This study investigates the potential of Sentinel-1 (S1) multi-temporal data for the early-season mapping of the rapeseed crop. Additionally, we explore the effectiveness of limiting the portion of a considered time series to map rapeseed fields. To
Externí odkaz:
https://doaj.org/article/3d42496857fb41f780653569378e1ecf
Autor:
Hassan Bazzi, Nicolas Baghdadi, Sami Najem, Hadi Jaafar, Michel Le Page, Mehrez Zribi, Ioannis Faraslis, Marios Spiliotopoulos
Publikováno v:
Agronomy, Vol 12, Iss 11, p 2725 (2022)
Irrigation monitoring is of great importance in agricultural water management to guarantee better water use efficiency, especially under changing climatic conditions and water scarcity. This study presents a detailed assessment of the potential of th
Externí odkaz:
https://doaj.org/article/79233317b98049559cd7723f6c575bc5
The Middle East and North Africa (MENA) region is facing the challenge of lingering droughts. Precipitation and soil moisture are two Essential Climate Variables (ECVs) that are relevant for drought monitoring. We assessed the discrepancies in drough
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4dc4f9d23841f6ebb3bb59713beb2c31
https://doi.org/10.21203/rs.3.rs-141859/v1
https://doi.org/10.21203/rs.3.rs-141859/v1
Autor:
Ali Fadel, Mario Mhawej, Ghaleb Faour, Ahmad Al Bitar, Sami Najem, Lionel Jarlan, Mehrez Zribi
Publikováno v:
2020 Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS)
2020 Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS), Mar 2020, Tunis, Tunisia. pp.289-292, ⟨10.1109/M2GARSS47143.2020.9105262⟩
2020 Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS), Mar 2020, Tunis, Tunisia. pp.289-292, ⟨10.1109/M2GARSS47143.2020.9105262⟩
The Middle East-North Africa (MENA) region has a prevailing hot and dry climate. The increasing demographic pressure brings an increased demand on water resources. In this study, we analyzed the drought dynamics using precipitation and soil moisture
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea7df7f797504ef13bbd8a3e7dc18b8d
https://doi.org/10.1109/m2garss47143.2020.9105262
https://doi.org/10.1109/m2garss47143.2020.9105262