Launching ANR NUTRILIFT project

Nutrients’ cycles and budget: the first mission to dig and instrument deep pits in Berambadi catchment, India, was held in June-July 2022 within the ANR NUTRILIFT project (PI: Jean Riotte, IRD). These pits are located in both an irrigated plot and an agroforestry plot. They are 9 and 10 m deep, respectively, and their diameter is 1.5 m. They have multiple windows to monitor the soil at different horizons. Windows are instrumented with pCO2, humidity, and temperature probes, as well as with lysimetric plates. Root zone scanner will be soon installed. Digging phase allowed to describe soil profiles and to sample soil and roots.

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Geophysical measurement campaign in India

A geophysical measurement campaign to characterize the spatial heterogeneity of the regolith thickness (main potential water stock in fractured aquifers) was carried out in May 2022 in both the Berambadi and the Mule Hole catchments (PI: Jean Riotte, IRD). Supported by EQUIPEX CRITEX, the campaign combined electrical resistivity, seismic, and Control Source Audio-Magneto-Telluric (CS-AMT) surveys. […]


Field campaign in Cameroon to study biogeochemical cycles and weathering in a tropical context

On September 19-25, Jean Riotte, Christelle Lagane, and Jean-Jacques Braun from GET/IRD participated to a field campaign at the Nsimi experimental watershed, monitored within the M-TROPICS CZO. Recently, the land use in Nsimi watershed has been changed to agriculture mixed with residual forest and fallow. The objective of the mission was thus to start the […]



Geophysical field campaign in India

A team of geophysical scientists from iEES Paris, METIS, and GEOPS, in collaboration with the Indian Institute of Science (Bangalore) and the Indo French Cell for Water Sciences (LMI CEFIRSE) performed a field campaign in the agricultural catchment of Berambadi in November 2019. The objective was to characterize the spatial heterogeneity of regolith properties by […]