PIES: Pressure Inverted Echo Sounders
PIES: Pressure Inverted Echo Sounders Friday 22 August 2025 Blog post by Francesca Doglioni with Lara Aschenbeck PIES are our friendly Pressure-Inverted Echo Sounders: chirping instruments contained in a round glass casing which will remain anchored for a few years at the bottom of the ocean. PIES are the smallest possible version of moored instruments […]