Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Valérie Demarez"'
Publikováno v:
Sciences, Eaux & Territoires, Iss 45 (2024)
La télédétection, en offrant une couverture spatiale et temporelle étendue, permet une meilleure compréhension des besoins en eau des cultures. Actuellement, diverses variables liées à l'eau sont en libre accès, permettant de suivre les types
Externí odkaz:
https://doaj.org/article/4538b55eb77c4846b4e2acb4dcd8e6ca
Autor:
Hassan Bazzi, Nicolas Baghdadi, Ghaith Amin, Ibrahim Fayad, Mehrez Zribi, Valérie Demarez, Hatem Belhouchette
Publikováno v:
Remote Sensing, Vol 13, Iss 13, p 2584 (2021)
In this study, we present an operational methodology for mapping irrigated areas at plot scale, which overcomes the limitation of terrain data availability, using Sentinel-1 (S1) C-band SAR (synthetic-aperture radar) and Sentinel-2 (S2) optical time
Externí odkaz:
https://doaj.org/article/857891e3203c452fb5fc31c69341877d
Publikováno v:
Remote Sensing, Vol 12, Iss 18, p 3044 (2020)
The detection of irrigated areas by means of remote sensing is essential to improve agricultural water resource management. Currently, data from the Sentinel constellation offer new possibilities for mapping irrigated areas at the plot scale. Until n
Externí odkaz:
https://doaj.org/article/9cdae0c98dca4dd886287cbf178cb445
Autor:
Hassan Bazzi, Nicolas Baghdadi, Ibrahim Fayad, Mehrez Zribi, Hatem Belhouchette, Valérie Demarez
Publikováno v:
Remote Sensing, Vol 12, Iss 9, p 1456 (2020)
In the context of monitoring and assessment of water consumption in the agricultural sector, the objective of this study is to build an operational approach capable of detecting irrigation events at plot scale in a near real-time scenario using Senti
Externí odkaz:
https://doaj.org/article/b5eca65326ef4951984feba808c6bacb
Autor:
François Waldner, Marie-Julie Lambert, Wenjuan Li, Marie Weiss, Valérie Demarez, David Morin, Claire Marais-Sicre, Olivier Hagolle, Frédéric Baret, Pierre Defourny
Publikováno v:
Remote Sensing, Vol 7, Iss 8, Pp 10400-10424 (2015)
With the ever-increasing number of satellites and the availability of data free of charge, the integration of multi-sensor images in coherent time series offers new opportunities for land cover and crop type classification. This article investigates
Externí odkaz:
https://doaj.org/article/c470676ec6274dfbb61453496730752d
Autor:
Hassan Bazzi, Nicolas Baghdadi, Dino Ienco, Mohammad El Hajj, Mehrez Zribi, Hatem Belhouchette, Maria Jose Escorihuela, Valérie Demarez
Publikováno v:
Remote Sensing, Vol 11, Iss 15, p 1836 (2019)
Mapping irrigated plots is essential for better water resource management. Today, the free and open access Sentinel-1 (S1) and Sentinel-2 (S2) data with high revisit time offers a powerful tool for irrigation mapping at plot scale. Up to date, few st
Externí odkaz:
https://doaj.org/article/7ea142eda64e40c7bd3ef40119454a35
Publikováno v:
Remote Sensing, Vol 11, Iss 2, p 118 (2019)
Numerous studies have reported the use of multi-spectral and multi-temporal remote sensing images to map irrigated crops. Such maps are useful for water management. The recent availability of optical and radar image time series such as the Sentinel d
Externí odkaz:
https://doaj.org/article/ad5248fcbe604eeaa2c4a55be3eb8a0a
Autor:
Jean-François Dejoux, Gérard Dedieu, Olivier Hagolle, Danièle Ducrot, Jean-Claude Menaut, Eric Ceschia, Frédéric Baup, Valérie Demarez, Claire Marais-Sicre, Moamed Kadiri, Simon Gascoin
Publikováno v:
Revue Française de Photogrammétrie et de Télédétection, Iss 197 (2014)
Ces dernières années, le CESBIO a mis en place un Observatoire Spatial Régional (OSR), dispositif d'observation couplant mesures de terrain et télédétection dans le sud-ouest de la France. L'OSR se base sur des acquisitions mensuelles de donné
Externí odkaz:
https://doaj.org/article/77e6bee56e944ea2a4b84d321c5c8061
Autor:
Claire Marais Sicre, Jordi Inglada, Rémy Fieuzal, Frédéric Baup, Silvia Valero, Jérôme Cros, Mireille Huc, Valérie Demarez
Publikováno v:
Remote Sensing, Vol 8, Iss 7, p 591 (2016)
In the context of climate change, agricultural managers have the imperative to combine sufficient productivity with durability of the resources. Many studies have shown the interest of recent satellite missions as suitable tools for agricultural surv
Externí odkaz:
https://doaj.org/article/f3bed841ed1c49718197f9b9bf665275
Publikováno v:
eISSN
In agricultural areas, the downstream flow can be highly influenced by human activities during low flow periods, especially dam releases and irrigation withdrawals. Irrigation is indeed the major use of freshwater in the world. This study aims at pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::756171621c9ed8c4a40e28a0a88b6b7e
https://doi.org/10.5194/egusphere-2023-494
https://doi.org/10.5194/egusphere-2023-494
