"Hydrospatial is all about the Blue data and information of our Blue Planet and its Coastal Zones!" It is not replacent hydrography it its the expansion... The Hydrospatial Movement Club & Community is a Group of professional volunteers interested ininvesting time for promoting, advocating and being ambassador of the importance of all data and information related to the Blue of our Blue Planet and its Coastal Zones for a growing Blue Economy in a Sustainable Development manner.