06/01/2020 1 + Using EO for monitoring and managing threats over water resources Saline water Oceans 97 % Freshwater 2% Glaciers and snow Underground freshwater Surface freshwater 30 % 1 % 69% Freshwater distribution © INSIGHT / DAVAR 2019 Threats to water resources Underground water Surface water Water intakes Catchment Irrigation Drilling Intake types Directs Human intakes Drilling Coastal waters Saltwater Freshwater Groundwater Contaminated Freshwater Saltwater Intrusion Drilling Drilling © INSIGHT / DAVAR 2019 Threats to water resources Indirects Global changes Watershed Health • Sea Level Rise • Climate Changes • Population growth © INSIGHT / DAVAR 2019 Remote sensing as a DATA source Measuring phenomenas Producing reliable and up to date maps Erosion Invasive species Wildfires ➢ Impacting both Quality & Quantity © INSIGHT / DAVAR 2019 Studied area Noumea N 166.250 S 21.982 Bare soil Vegetation Shadow Surface fresh water Mining activities Natural vegetation Shadow Surface fresh water Natural erosion Roads & dirtroads From Data to value-added information Erosion © INSIGHT / DAVAR 2019 1 2 3 4 5 6