cl_maintenanceAndUpdateFrequency

asNeeded

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  • Weekly and monthly physico-chemical water samples of Rivière des Pluies watershed, La Reunion island

  • MOSES test campaign was performed between Börnchen and Dittersdorf from the 20.05.2019 to the 23.07.2019

  • Surface suspended sediment concentration (in situ and/or satellite-derived)

  • Daily or Monthly water dischargel at a gauging station

  • Surface water global indices

  • Water level, discharge, water temperature, conductivity and turbidity measured every ten minutes in the Bras-David river, at the Maison de la Forêt site. A hydrologic station, located at the « Maison de la Forêt » site, monitors the hydrology of the Bras-David river. The station is equipped with a pressure sensor (CS451, Campbell Scientific Inc.) measuring the river stage, a turbidimeter (OBS3+, Campbell Scientific Inc.) measuring the turbidity of the river, a conductivity probe (CS547A, Campbell Scientific Inc.) monitoring the water conductivity, 2 temperature probes embedded in the conductivity and the pressure sensors. These sensors are connected to a datalogger (Campbell CR800) which records the data. A gaujing curve, regularly updated by the DREAL Guadeloupe, relates the river discharge to the water stage.

  • Capmes is an instrument capable of measuring the water level and the concentration of suspended matter in rivers with a time step going from one measurement every hour at low flow to one measurement every 2 minutes during a flood. The instrument, designed by IPGP, is based on the use of a LISST-25X optical sensor (Sequoia Scientific Inc.) [Limare et al., 2010; Lajeunesse et al., 2011]. The latter is incorporated in a complex hydraulic and electronic system controlled by a datalogger. As a result, it functions as s stand-alone instrument capable of 1) performing long surveys with a minimum human intervention and 2) acquiring data even under extreme climatic events. This instrument was developed and tested during a 1.5 years field survey performed from June 2008 to January 2010 on the Capesterre river located on Basse-Terre island (Guadeloupe archipelago, Lesser Antilles Arc).

  • Between Börnchen and Dittersdorf a MOSES test campaign was performed from the 20.05.2019 to the 23.07.2019

  • Water level, discharge, temperature, conductivity and turbidity measured as a function of time (GMT) in the Capesterre river, at the Capesterre - La Digue hydrologic station. The station is equipped with a pressure sensor (CS451, Campbell Scientific Inc.) measuring the river stage, a turbidimeter (OBS3+, Campbell Scientific Inc.) measuring the turbidity of the river, a conductivity probe (CS547A, Campbell Scientific Inc.) monitoring the water conductivity, 2 temperature probes embedded in the conductivity and the pressure sensors. These sensors are connected to a datalogger (Campbell CR800) which records the data. A gaujing curve, regularly updated by the DREAL Guadeloupe, relates the river discharge to the water stage.

  • Daily or Monthly water dischargel at a gauging station