Documentary Photography - BP's LiDAR buoy at Liverpool Docks

Another commission from BP as they work on the development of the Mona and Morgan Irish Sea wind farms. This time I was taking photographs to document the maintenance of one of their Fugro Seawatch LiDAR buoys which are surveying the field to find optimal wind turbine locations. The Seawatch buoys run on solar panels and fuel cells using methanol fuel. Although autonomous in the field the buoys need to be towed to shore for refueling and servicing.

As an ex-engineer with a background in Physics, this was a really interesting - if freezing! - few days shooting in Liverpool.

LiDAR, or Light Detection and Ranging, can measure wind speed by using the Doppler effect. The Doppler effect is a phenomenon that occurs when the frequency of a wave changes as the source of the wave moves relative to the observer. This effect is commonly experienced in everyday life, for example, the change in pitch of a siren as an ambulance approaches and then passes by.

In the context of LiDAR, a laser beam is directed towards the atmosphere, and the reflected light is detected by a sensor. As the laser beam passes through the atmosphere, it interacts with particles in the air, such as dust or water droplets. These particles scatter the laser beam in different directions, and some of the scattered light returns to the sensor.

By analyzing the scattered light, LiDAR can detect the movement of air particles and calculate wind speed. The movement of the particles changes the frequency of the scattered light, and this change in frequency is detected by the sensor. The amount of frequency shift is proportional to the wind speed, allowing LiDAR to calculate the wind speed with high accuracy.

LiDAR can also provide information about the direction and turbulence of the wind, helping to identify potential challenges for wind turbine installations. This information is particularly useful in the development of wind farms, where accurate wind measurements are essential for identifying the most suitable locations for wind turbines.

On board the Fugro Synergy for BP

By far the best thing about working as a professional photographer is the variety of the work. The camera can gain you access to environments that are wildly different each shoot day and if you’re lucky, can sometimes take you to some incredible and unexpected places. One of the most interesting of my shoots in 2022 was an assignment from bp to photograph the crew and workings of the Fugro Synergy while on a recent stop at Liverpool docks.

The Synergy Modular Drilling Unit is a unique geotechnical vessel capable of delivering

high quality geotechnical data. Its design, standards and capacity make it an efficient

platform for geotechnical investigations and scientific drilling in challenging and remote offshore marine environments.

The shoot focussed on the Synergy’s role in sea bed core sampling, determining the sea bed composition to ensure that the sea bed substrate was capable of providing solid foundations for the siting of an array of wind turbines.  Sea bed composition is critical, mud, sand or silt that is too soft and uncompacted will not provide a firm enough foundation, while solid rock is impossible to drill to the depths required for the footings.

EnBW with EnBW and bp are leading the development of the Morgan and Mona – two offshore wind farms in the Irish Sea. Roughly located 30km from shore between the north coast of Wales and the Isle of Man the total area of the two farms will be 800 square kilometres – about half the size of Greater London and when complete the farm will generate 3GW of energy – enough to power an astonishing 3.4 million UK homes.

These projects are helping to achieve the UK's ambition of generating 50GW of power from offshore wind by 2030.

Fugro Synergy’s Party Chief, Jim Bridge