Výsledky vyhledávání - "Guillaume Coulouma"

Akademický článek

Mortality and vigour based indicators for an early diagnosis of vineyard decline

Autor: Anne Merot, Guillaume Coulouma, Nathalie Smits, Elsa Robelot, Christian Gary, Lucia Guerin Dubrana, Jouanel Poulmarch, Xavier Burgun, Anne Pellegrino, Marc Fermaud

Publikováno v: IVES Technical Reviews (2023)

Similar to the forestry industry, the winegrowing sector has experienced a grapevine decline phenomenon over the last twenty years, so that decline is now considered an increasingly widespread problem in many vineyards across the world (De la Fuente

Externí odkaz: https://doaj.org/article/6905104fb5f1451ba2470b748b819dba

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Akademický článek

A systemic approach to grapevine decline diagnosed using three key indicators: plant mortality, yield loss and vigour decrease

Autor: Anne MEROT, Guillaume Coulouma, Nathalie Smits, Elsa Robelot, Christian Gary, Lucia Guerin-Dubrana, Jouanel Poulmach, Xavier Burgun, Anne Pellegrino, Marc Fermaud

Publikováno v: OENO One, Vol 57, Iss 1 (2023)

Grapevine decline, a major global viticulture issue, is defined as a multi-year decrease in vine productivity and/or increase in vine mortality. Although grapevine trunk diseases are one of the most-studied causes, decline is multifactorial and assoc

Externí odkaz: https://doaj.org/article/4ad4e95fe9c4460fb718b156d740f786

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Portable mid-infrared spectroscopy to predict parameters related to carbon storage in vineyard soils: Model calibrations under varying geopedological conditions

Autor: Ralf Wehrle, Guillaume Coulouma, Stefan Pätzold

Publikováno v: Biosystems Engineering
Biosystems Engineering, 2022, 222, pp.1-14. ⟨10.1016/j.biosystemseng.2022.07.012⟩

International audience; Portable mid-infrared spectroscopy (pMIRS) combined with machine learning was used to predict selected parameters for soil organic carbon (SOC) storage. In particular, SOC, soil inorganic C (SIC), hot-water extractable C (hwC)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::218de032b7fd8a44d536441765dbb12f
https://doi.org/10.1016/j.biosystemseng.2022.07.012

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Diversity of soil biopores and their influence on soil water infiltration under various pedoclimatic conditions

Despite the large contribution of macropores made by soil engineers to the soil macroporosity and water infiltration, few studies have addressed the specific contribution of soil engineer groups, dynamics of biopores and their efficiency in conductin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aea2a7fe3db0f6a57ee2ce135476dc08
https://doi.org/10.5194/egusphere-egu23-3366

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Estimating soil available water capacity within a Mediterranean vineyard watershed using satellite imagery and crop model inversion

Autor: Mohamed Alkassem, Samuel Buis, Guillaume Coulouma, Frédéric Jacob, Philippe Lagacherie, Laurent Prévot

Publikováno v: Geoderma
Geoderma, 2022, 425, pp.116081. ⟨10.1016/j.geoderma.2022.116081⟩

International audience; Soil available water capacity (SAWC) is a key factor to be considered when assessing soil capability to provide ecosystem services. The current study deepens the use of remotely sensed data for mapping SAWC and its components

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1170bfd08aef4f344d123fbe703124a0
https://doi.org/10.1016/j.geoderma.2022.116081

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Assessing new sensor‐based volume measurement methods for high‐throughput bulk density estimation in the field under various soil conditions

Autor: Guillaume Coulouma, Fabrice Vinatier, Olivier Huttel, Denis Feurer

Publikováno v: European Journal of Soil Science
European Journal of Soil Science, 2021, ⟨10.1111/ejss.13115⟩
European Journal of Soil Science, Wiley, 2021, ⟨10.1111/ejss.13115⟩

International audience; Soil bulk density (BD) is a key soil property in soil science. BD is measured at the scale of the soil horizon with conventional methods: core sampling and rubber balloon. Regardless of the method, BD measurement in the field

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec84f14b5d8f3e1da26d90a9cbc232a6
https://hal.inrae.fr/hal-03212399/file/proof_before_editing17051690.pdf

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Time-SIFT : a frugal method for leveraging multi-temporal photogrammetric data without ancillary data

Autor: Denis Feurer, Yoann Thomas, Romina Vanessa Barbosa, Jérôme Ammann, Fabrice Vinatier, Sean Bemis, Guillaume Coulouma, Hatem Mabrouk, Sylvain Massuel

Latest advances in lightweight aerial platforms, miniaturized RTK DGPS positioning and IMUs make now it possible to build multitemporal photogrammetric datasets with centrimetric accuracies. Together with the increase of very high-resolution topograp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ba6baa67a4384aa93e598de4a2ab8f9b
https://doi.org/10.5194/egusphere-egu2020-10187

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Carbon isotope discrimination as a surrogate for soil available water capacity in rainfed areas: A study in the Languedoc vineyard plain

Autor: Laurent Prévot, Guillaume Coulouma, Philippe Lagacherie

Publikováno v: Geoderma
Geoderma, Elsevier, 2020, 362, 8 p. ⟨10.1016/j.geoderma.2019.114121⟩
Geoderma, Elsevier, 2020, 362, ⟨10.1016/j.geoderma.2019.114121⟩
Geoderma, 2020, 362, ⟨10.1016/j.geoderma.2019.114121⟩

International audience; Soil available water capacity (SAWC) is a key soil function for plant growth. Classical SAWC characterization requires time consuming determinations of bulk density and specific soil moisture contents. Consequently, these data

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::219ff51dea3c9486fe8d0c4ae9118ae9
https://hal.inrae.fr/hal-02622907

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