| A spring-arm core doser (SACC) is described which does not disturb the sediment and is highly reliable. SA CC is designed to replace core catchers, baIl seals and other types of core retainers which disturb the sediments. SACC can be used on cores with a stationary, rigid outer frame. Additionally, SACC can accommodate various diameter core tubes. When attached to a disturbance free corer, SACC permits the retrieval of large diameter cores suit able for diagenetic, nutrient ex change and sediment-water interface studies. |
