measure, describe and map the earth's surface waters (including oceans, seas, rivers, lakes, estuaries and the water in channels and pipes). they are also involved in collecting and analysing information on surface and below-surface flow and quality. duties select, install, maintain and repair instruments...
measure, describe and map the earth's surface waters (including oceans, seas, rivers, lakes, estuaries and the water in channels and pipes). they are also involved in collecting and analysing information on surface and below-surface flow and quality. duties select, install, maintain and repair instruments...