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HydroSciences Montpellier (HSM) is a research laboratory depending of CNRS, Université Montpellier and IRD. It is composed of 186 researchers and professors. The main objective of the HSM lab is to quantify and predict how the climate change and increase of human activities affect water resources in the mediterranean and tropical regions. In particular, HSM lab focus its research on (1) studying how human activities affect the behavior of organic and inorganic contaminants, and pathogens, bacteria in rivers with determining how the chemical transformations of contaminants, the adaptation and emergence of pathogens impact the environmental resources and further human health, (2) deciphering how climate change affect the regional water balance between natural resources and economic demand using integrated modeling methods, (3) understanding hydrological processes between land, vegetation and atmosphere in semi-arid ecosystems of the West Africa and Mediterranean countries and (4) modelling karst, fractured-rock and urban aquifers to predetermine extreme rain events in Mediterranean region. HSM is internationally well recognized for its work on hydrosystems : water pathways and resources (Contaminant concentration, transformation and fluxes in human impacted watersheds), metrology and hydro-climatic risks. More specifically, most of the researchers in HSM are working on water resources management at basin scales, water resources models as a tool for forecasting studies, water preservation, savings and reuse through technological innovation, and on contaminants and human risks assessment.
In HSM lab, huge platforms and equipments are available such as for geochemistry : water Chemistry Laboratory and “Analysis of Trace Elements in the Environment” (AETE-ISO) facility,for emerging contaminants : analysis of organic micro-pollutants in water, sediments and organisms and for microbiology laboratory : analysis of interactions between micro-organisms and metalloids in contaminated environments, and analysis of microbial populations in aquatic ecosystems.
HSM is largely involved in observation service dedicated to long-term monitoring of climatological, hydrological, chemical and ecological changes in different watersheds (OSU OREME (observatoire de Recherche Méditerranéen de l’Environnement), AMMA-CATCH in West Africa).

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