@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix grg: . @prefix iop: . @prefix ns0: . @prefix ns1: . @prefix owl: . @prefix pav: . @prefix prov: . @prefix puv: . @prefix qudt: . @prefix rdf: . @prefix rdfs: . @prefix reg: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . skos:member . skos:altLabel "Jonasson and Olausson (1966) corer" , "Jonasson and Olausson (1966) corer"@en ; skos:broader , ; skos:definition "A sediment gravity corer used to obtain thick, undisturbed cores of the uppermost part of the sediment layer. It can also be used as a piston corer. The device has a nose, a barrel of polyvinyl chloride (PVC), and a weight stand. The nose consists of three parts: a core cutter, a brass tube, and a core catcher. The PVC tube used, has an outside diameter of 90.4 mm and an inner diameter of 73 mm. The lower end of the PVC tube is fixed to the nose, while its upper end is attached to the weight stand. The length of the barrel used varies between 1 and 3 m."@en ; skos:inScheme ; skos:notation "SDN:L22::TOOL1644" ; skos:note "accepted"@en ; skos:prefLabel "Unspecified sediment corer - Jonasson and Olausson (1966)"@en ; skos:related , . skos:related . skos:related . skos:related . skos:narrower . skos:narrower . skos:related . skos:narrower . skos:narrower .