Hydrographical Surveys, as the name suggests, are the water based equivalent of Land Surveys. They can be surveys of water courses, open water, in-shore or off-shore. Like Land Surveys they depict topography or land form but of the river bed, sea bed, lake bed and associated features – river bank & flood plain.

At Invar Mapping we undertake a variety of in-shore Hydrographic Surveys for a variety of clients and industries.

Any format provided; cross sections, long sections and 3D models etc.

Data can be provided in a variety of formats which can be imported into hydro modelling software.

We also provide land and hydrographical monitoring services, such as fixing position and levels of flood gauge boards, or monitoring points to assess whether land is moving over a period of time.