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INRA
24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018

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RUIZ Laurent

Ruiz-0

Scientist at INRAE / SAS

Phone: (+33) 2 23 48 52 48 

Email: laurent.ruiz@inrae.fr

Address: Indo-French Cell of Water Science, Indian Institute of Sciences, Bangalore, India

Fields of expertise: agronomy, hydrology

Keywords: catchment hydrology, Critical Zone science, agro-ecosystems, diffuse pollutions, modelling

Research

Current research topic

My research interest is to understand and model at the catchment scale interactions between water resources and climatic and anthropogenic forcings, especially agriculture. I explore how multidisciplinary approaches, spanning hydrology, agronomy, geochemistry, remote sensing and social sciences, can help to design better management of water and nutrient cycles in agro-ecosystems.
My work relies primarily on long-term observations carried out within Critical Zone Observatories in France (AgrHys) and India (M-TROPICS).

Current projects
  • ATCHA : Accompanying The adaptation of irrigated agriculture to climate CHAnge (2017-2021)
  • CSIA : Transport and Transformation of Pesticides from an Indian agrosystem: Insights from Compound-Specific Isotope Analysis (2018-2023)

Consulting experience

  • Involved in research infrastructures: OZCAR-RI in France and eLTER-RI elsewhere in Europe
  • 2014-present: Associate Editor of Hydrological Sciences Journal (HSJ)
  • 2018-present: Co-chairman of the Indo-French Cell of Water Science CEFIRSE, IISc, Bangalore, India
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Productions

Buvaneshwari, S., Riotte, J., Sekhar, M., Sharma, A.K., Helliwell, R., Kumar, M.M., Braun, J.J. and Ruiz, L., 2020. Potash fertilizer promotes incipient salinization in groundwater irrigated semi-arid agriculture. Scientific Reports, 10(1), 3691, pp.1-14. https://doi.org/10.1038/s41598-020-60365-z

Fovet, O., L. Ruiz, G. Gruau, N. Akkal, L. Aquilina, S. Busnot, R. Dupas, P. Durand, M. Faucheux, Y. Fauvel, C. Fléchard, N. Gilliet, C. Grimaldi, Y. Hamon, A. Jaffrezic, L. Jeanneau, T. Labasque, G. Le Henaff, P. Mérot, J. Molénat, P. Petitjean, A. Pierson-Wickmann, H. Squividant, V. Viaud, C. Walter, and C. Gascuel-Odoux. 2018. AgrHyS: An Observatory of Response Times in Agro-Hydro Systems. Vadose Zone J. 17:180066. https://doi.org/10.2136/vzj2018.04.0066

Chitra-Tarak R., Ruiz L., Dattaraja H. S., Kumar M.S.M., Riotte J., Suresh H. S., McMahon S.M., Sukumar R. (2018) The roots of the drought: Hydrology and water uptake strategies mediate forest-wide demographic response to precipitation. J. Ecol. 106, 1495–1507. https://doi.org/10.1111/1365-2745.12925

Sharma, A., Hubert-Moy, L., Buvaneshwari, S., Sekhar, M., Ruiz, L., Bandyopadhyay, S., & Corgne, S. (2018). Irrigation history estimation using multitemporal Landsat satellite Images: application to an intensive groundwater irrigated agricultural watershed in India. Remote Sensing, 10(6), 893. http://dx.doi.org/10.3390/rs10060893

Buvaneshwari S, Riotte J, Sekhar M, Mohan Kumar MS, Sharma AK, Duprey JL, Audry S, Giriraj PR, Yerabham P, Moger H, Durand P, Braun JJ and Ruiz L (2017) High spatial variability of nitrate contamination in the hard rock aquifer of an irrigated catchment: Implications for water resource assessment. Sci. Tot. Env. 579, 838-847. http://dx.doi.org/10.1016/j.scitotenv.2016.11.0173.

Robert M., Thomas A., Sekhar M., Badiger S., Ruiz L., Willaume M., Leenhardt D. and Bergez J.-E. (2017) Farm Typology in the Berambadi Watershed (India): Farming Systems Are Determined by Farm Size and Access to Groundwater. Water 2017, 9, 51; http://dx.doi.org/10.3390/w9010051

Hrachowitz, M., Fovet, O., Ruiz, L., and Savenije, H. H. G., 2015. Transit time distributions, legacy contamination and variability in biogeochemical 1/fα scaling: how are hydrological response dynamics linked to water quality at the catchment scale?, Hydrological Processes, 29, 5241-5256. https://doi.org/10.1002/hyp.10546

Ruiz L., Sekhar et al. 2015 Adaptation of Irrigated agriculture to climate CHAnge:: trans-disciplinary modelling of a watershed in South India.  IAHS Publ. 366, http://dx.doi.org/10.5194/piahs-366-137-2015

Levain Alix, Vertès Françoise, Ruiz Laurent, Delaby Luc, Gascuel-Odoux Chantal, Barbier Marc 2015 ‘I am an intensive guy’: The possibility and conditions of reconciliation through the ecological intensification framework. Environmental Management. 56 (5), 1184-1198. http://dx.doi.org/10.1007/s00267-015-0548-3

Fovet O., Ruiz L., Faucheux M., Molénat J., Sekhar M., Vertès F., Aquilina L., Gascuel-Odoux C. and Durand P. (2015) Using long time series of agricultural-derived nitrates pollutions for estimating catchment transit times. Journal of Hydrology, 522, 603–617. http://dx.doi.org/10.1016/j.jhydrol.2015.01.030

See also