Facilitators Page – Ōrewa College

Ōrewa College (Tony) Ōrewa Saturday 31st July Section on beach where stream enters sea. Very safe environment for practicing basics measurements: channel velocity; penetration measurements of sands and muds; penetration measurements of siltstones and mudstones; pH; conductivity/water quality; change in salinity/conductivity at increasing distances from ocean (concept of brackish water and consequence on drinkability of… Continue reading Facilitators Page – Ōrewa College