Laurie Boithias

Hydrology, water quality

PhD, Assoc. Prof / Phys.-adj. CNAP

Address: Géosciences Environnement Toulouse, 14 avenue Edouard Belin, 31400 Toulouse, FRANCE

Phone: +33 (0)5 61 33 27 12

Email: laurie.boithias|DONTWANTSPAM|


Main fields of research and expertise

Laurie BOITHIAS got her PhD in 2012 from the University of Toulouse, France. After three post-docs in Spain and France, she got an associate professor position at GET in Toulouse in 2017, within the M-TROPICS CZO. Her research is about catchment-scale hydrology, erosion processes, and fate and transport of contaminants such as pathogens, pesticides, and pharmaceuticals. The overall aim of her research is to contribute to the interdisciplinary understanding of the biogeochemical functioning of hydrological systems and to ecosystem services assessment. Her approach is triple: field measurement, experimental studies and catchment-scale modelling.

Selected publications


Boithias, L., Ribolzi, O., Rochelle-Newall, E., Thammahacksa, C., Nakhle, P., Soulileuth, B., Pando-Bahuon, A., Latsachack, K., Silvera, N., Sounyafong, P., Xayyathip, K., Zimmermann, R., Rattanavong, S., Oliva, P., Pommier, T., Evrard, O., Huon, S., Causse, J., Henry-des-Tureaux, T., Sengtaheuanghoung, O., Sipaseuth, N., Pierret, A., 2022. Escherichia coli concentration, multiscale monitoring over the decade 2011–2021 in the Mekong River basin, Lao PDR. Earth Syst. Sci. Data 14, 2883–2894.


Abbas, A., Baek, S., Silvera, N., Soulileuth, B., Pachepsky, Y., Ribolzi, O., Boithias, L., Cho, K.H., 2021. In-stream Escherichia coli modeling using high-temporal-resolution data with deep learning and process-based models. Hydrol. Earth Syst. Sci. 25, 6185–6202.

Boithias, L., Auda, Y., Audry, S., Bricquet, J., Chanhphengxay, A., Chaplot, V., de Rouw, A., Henry des Tureaux, T., Huon, S., Janeau, J., Latsachack, K., Le Troquer, Y., Lestrelin, G., Maeght, J., Marchand, P., Moreau, P., Noble, A., Pando‐Bahuon, A., Phachomphon, K., Phanthavong, K., Pierret, A., Ribolzi, O., Riotte, J., Robain, H., Rochelle‐Newall, E., Sayavong, S., Sengtaheuanghoung, O., Silvera, N., Sipaseuth, N., Soulileuth, B., Souliyavongsa, X., Sounyaphong, P., Tasaketh, S., Thammahacksa, C., Thiebaux, J., Valentin, C., Vigiak, O., Viguier, M., Xayyathip, K., 2021a. The Multiscale TROPIcal CatchmentS critical zone observatory M-TROPICS dataset II: land use, hydrology and sediment production monitoring in Houay Pano, northern Lao PDR. Hydrol. Process. 35, e14126.

Boithias, L., Ribolzi, O., Lacombe, G., Thammahacksa, C., Silvera, N., Latsachack, K., Soulileuth, B., Viguier, M., Auda, Y., Robert, E., Evrard, O., Huon, S., Pommier, T., Zouiten, C., Sengtaheuanghoung, O., Rochelle-Newall, E., 2021b. Quantifying the effect of overland flow on Escherichia coli pulses during floods: Use of a tracer-based approach in an erosion-prone tropical catchment. J. Hydrol. 594, 125935.

Nakhle, P., Boithias, L., Pando-Bahuon, A., Thammahacksa, C., Gallion, N., Sounyafong, P., Silvera, N., Latsachack, K., Soulileuth, B., Rochelle-Newall, E.J., Marcangeli, Y., Pierret, A., Ribolzi, O., 2021a. Decay Rate of Escherichia coli in a Mountainous Tropical Headwater Wetland. Water 13, 2068.

Nakhle, P., Ribolzi, O., Boithias, L., Rattanavong, S., Auda, Y., Sayavong, S., Zimmermann, R., Soulileuth, B., Pando, A., Thammahacksa, C., Rochelle-Newall, E., Santini, W., Martinez, J.M., Gratiot, N., Pierret, A., 2021b. Effects of hydrological regime and land use on in-stream Escherichia coli concentration in the Mekong basin, Lao PDR. Sci. Rep. 11, 3460.


Abbas, A., Baek, S., Kim, M., Ligaray, M., Ribolzi, O., Silvera, N., Min, J.-H., Boithias, L., Cho, K.H., 2020. Surface and sub-surface flow estimation at high temporal resolution using deep neural networks. J. Hydrol. 590, 125370.

Song, L., Boithias, L., Sengtaheuanghoung, O., Oeurng, C., Valentin, C., Souksavath, B., Sounyafong, P., de Rouw, A., Soulileuth, B., Silvera, N., Lattanavongkot, B., Pierret, A., Ribolzi, O., 2020. Understory Limits Surface Runoff and Soil Loss in Teak Tree Plantations of Northern Lao PDR. Water 12, 2327.


Kim, M., Boithias, L., Cho, K.H., Sengtaheuanghoung, O., Ribolzi, O., 2018. Modeling the Impact of Land Use Change on Basin-scale Transfer of Fecal Indicator Bacteria: SWAT Model Performance. J. Environ. Qual. 47, 1115–1122.


Kim, M., Boithias, L., Cho, K.H., Silvera, N., Thammahacksa, C., Latsachack, K., Rochelle-Newall, E., Sengtaheuanghoung, O., Pierret, A., Pachepsky, Y.A., Ribolzi, O., 2017. Hydrological modeling of Fecal Indicator Bacteria in a tropical mountain catchment. Water Res. 119, 102–113.


Boithias, L., Choisy, M., Souliyaseng, N., Jourdren, M., Quet, F., Buisson, Y., Thammahacksa, C., Silvera, N., Latsachack, K., Sengtaheuanghoung, O., Pierret, A., Rochelle-Newall, E., Becerra, S., Ribolzi, O., 2016a. Hydrological regime and water shortage as drivers of the seasonal incidence of diarrheal diseases in a tropical montane environment. PLoS Negl. Trop. Dis. 10, e0005195.

Boithias, L., Terrado, M., Corominas, L., Ziv, G., Kumar, V., Marqués, M., Schuhmacher, M., Acuña, V., 2016. Analysis of the uncertainty in the monetary valuation of ecosystem services — A case study at the river basin scale. Sci. Total Environ. 543, 683–690.

Rochelle-Newall, E.J., Ribolzi, O., Viguier, M., Thammahacksa, C., Silvera, N., Latsachack, K., Dinh, R.P., Naporn, P., Sy, H.T., Soulileuth, B., Hmaimum, N., Sisouvanh, P., Robain, H., Janeau, J.-L., Valentin, C., Boithias, L., Pierret, A., 2016. Effect of land use and hydrological processes on Escherichia coli concentrations in streams of tropical, humid headwater catchments. Sci. Rep. 6, 32974.