ADCP in Ostend Port's Ocean Current Measurement

Explore Ostend Port, the need for current measurement, ADCP's operation, requirements, and equipment selection.

1. Location of Ostend Port

Ostend Port is located in the city of Ostend, in the kingdom of Belgium. This is a major North Sea coastline port, catering both to its nationals and to international shipping traffic.

Scale of Port and Throughput

Scale: The port has medium-to-large-sized infrastructure. It consists of a number of berths capable of handling cargo ships, fishing boats, and passenger ships. The quay area is big enough to load and unload goods efficiently. In the storage area, facilities have been provided to handle general cargo, fishery products, and fuel.

Throughput: It has a respectable annual throughput. This port plays an important role in the import-export business in that part of the region. Imports include consumer goods, construction materials, and machinery. The local exports in this port include fish and processed seafood, along with some industrial goods. Tourism also accounts for part of the throughput due to passenger ships and ferry services.

Routes and Business

Routes: Ostend Port is connected to the wide network of shipping routes: with other Belgian ports and neighbor countries, and internationally with the United Kingdom, Scandinavia, and further parts of Europe. Shipping routes are of key importance in trade and the transportation of goods and passengers.

Business: The primary business activities include cargo - handling services related to general goods and seafood. It offers services like warehousing, logistics support, and customs - clearance. Fishing - allied business is also a major business activity comprising fish - unloading, processing, and distribution. The port serves the tourism sector through ferry services and allowing cruise ships to dock at the port.

Port Management and Operation

The port is managed by a system that regulates the arrival and departure of ships, allocates berths, and handles cargo operations. Safety and security are also emphasized in the management, with strict regulations protecting ships, cargo, and personnel. Further, the protection of the environment is a concern to ensure that the least damage to the marine environment occurs with port activities. Safety and Security: Safety entails procedures in handling emergent situations such as storms and fire. The port also entails security checks to avoid illegal activities like smuggling. Environmental protection entails waste management and reduction of pollution.

Port Facilities

Fishing-related facilities: Due to the significance of fishing, facilities in the port include fish-unloading docks, cold-storage facilities for fish preservation, and fish-processing areas. These facilities ensure the quality of fish products right from catch to market.

Cargo-handling Facilities: These include cranes and other facilities for loading and unloading general cargo. Storage areas are used for storing different kinds of goods, such as food, construction material, and other imported items.

Tourist Facilities: Tourist ships have facilities such as docking facilities and areas where passengers embark and disembark. In addition to tourist information centers, restaurants and small shops also make up this component.

Channel and Direct Shipping

The channels in the port are dredged to ensure the smooth passage of ships. It has direct shipping lines with the main regional ports and international routes. This places the port in a competitive position for these sources and has ensured the transport of goods and people is done effectively.

2. Why should we measure the ocean currents in the Ostend Port?

It is very important to measure ocean currents in Ostend Port. For ship navigation, exact information about currents is crucial. Currents can change the speed and course of ships; such information in a busy port like Ostend enables the captains to make precise adjustments accordingly. This helps in avoiding collisions and permits more efficient docking and undocking procedures. For instance, a cargo ship reaching the port must take into account the current to ensure smooth entry.

The flow of ocean currents can also have a great influence on cargo-handling operations. The more unstable or strong the current, the less precise the operations of cranes and other handling equipment will be. Measuring currents enables the port to plan the timing of cargo-handling operations more appropriately with the view of current conditions, thus reducing the waiting period for ships and improving work effectiveness.

Ocean current measurement is very important in environmental monitoring. In the case of an oil spill or any other kind of pollutant, the current data can be used to predict the direction and speed with which the contaminants will spread. Consequently, this serves as a great facilitator for the port to take the needed precautions and corrective measures on time to minimize the effects on the marine environment. Compared to traditional ways, acoustic doppler flow meter is an advanced means of measuring ocean currents, which may help facilitate operations at Ostend Port.

3. How do ADCPs using the principle of Doppler work?

Measurement Principle

The Acoustic Doppler Current Profiler (ADCP) make use of the principle of Doppler. When an acoustic signal is transmitted into the water by the ADCP current profiler, the signal is scattered by particles and other substances in the water. Because the water particles are in motion with the ocean current, due to the Doppler effect, the scattered signal back to the ADCP flow meter will fall in a different frequency from that transmitted. Based on the measurement of this frequency shift, the velocity of the water particles and therefore the velocity of the ocean current can be calculated.

ADCP in Port Ocean Current Measurement: Shipborne ADCP

Shipborne ADCPs are mounted on ships. While the ship moves in the Ostend Port area, the ADCP profiler is continuously sending and receiving acoustic signals. It can measure ocean currents at different depths along the path of the ship. Data that might be collected could be analyzed for current conditions in an area where the ship is sailing; therefore, valuable information for ship navigation and operations could be provided. This can, for example, use the shipborne ADCP to evaluate the best track through the waters of the port.

Fixed ADCP

The fixed ADCPs are usually installed at fixed points around the Ostend Port-on piers or buoys. As such, these ADCPs stand stationary, observing the currents of the ocean around them. They are able to provide long-term, stable current data that is useful in understanding the general patterns of the currents and temporal changes within the port area. For instance, a bottom-moored ADCP near a cargo-handling area may provide data on the currents useful for optimizing the operating procedures of the cranes.

4. What is required for good quality measurement of the currents in Ostend Port?

Equipment Requirements

Material Reliability: The materials used in equipment should be of high reliability. The equipment has to withstand the harsh marine environment-characterized by corrosion from seawater, high humidity, and potential impacts from floating objects. In the case of Ostend Port, which is open to sea and variable weather conditions, long-lasting performance by especially reliable materials is a must.

It has to be small in size, light in weight, and low in power consumption. A compact-size, lightweight ADCP allows for easy installation and makes operations easier, especially in the case of shipborne ADCPs. Low power consumption will enable the equipment to operate for a long duration without necessarily changing the batteries or using high-power supplies, which again is important in the case of fixed and shipborne ADCPs. With the different vessels passing through Ostend Port, ease of installation and operation again is a key factor.

Low Equipment Cost for Mass Measurement: To achieve large-scale current measurement in the port, equipment cost should not be high. This will allow several ADCPs to be set up at different locations in the port for more comprehensive current data. Since different areas of the port have to be covered, the costs of the equipment are highly desirable.

The Advantage of Using Titanium Alloy for ADCP Casing

Titanium alloy is an excellent material for ADCP casing. First, it has excellent corrosion resistance that could effectively withstand the corrosive effect of sea water. In terms of Ostend Port, this could ensure the long-term stability and reliability of the equipment. While there, it has a high strength-to-weight ratio, which means it is able to bear enough strength where the weight is relatively low, as required by the small size and lightweight. Also, this can make the installation and operation of the ADCP easy. Thirdly, the thermal stability of the titanium alloy is good for normal work equipment under different temperature environments in the Ostend Port area.

5. How to Choose the right equipment for current measurement?

According to the Use Purpose

Shipborne ADCP: This is suitable if the measurement is mainly carried out on ships. It would, therefore, move with the ship and measure the currents in different areas of the port as the ship navigates. On the other hand, shipborne ADCPs could provide real-time current information for safe navigation in vessels such as cargo ships and fishing boats in Ostend Port.

Sitting - Bottom ADCP: A good choice for long-term, fixed-point monitoring of currents in a particular location in the Ostend Port. Normally, these are installed on the seabed and can monitor currents continuously around their vicinity. At places like near the entrance of the port or at critical docking areas, it's possible to get stable, long-term current data with sitting-bottom ADCPs.

Buoy - Type ADCP: Buoy - type ADCP is suitable for the applications where real time monitoring of currents in some area of the port is necessary. The buoy can float on the water surface and the ADCP on it can measure the currents around it. In areas like middle of the port or near fishing areas, Buoy -type ADCPs can provide useful current information.

Selection Based on Different Frequencies

Not all ADCP frequencies are suitable for all water depths. For instance, the 600 kHz ADCP is fit for water with depths within 70 m. It gives more detailed current data in a relatively shallow water area. In Ostend Port, this would be useful near the shore or the shallow part of the port area. The ADCP working frequency for 300 kHz can work up to 110 meters of water depth, whereas the 75 kHz ADCP can work in much deeper waters, even up to 1000 meters. These different frequencies enable the measurement of current at various depths in Ostend Port according to the actual water depth conditions.

There are several well - known ADCP brands such as Teledyne RDI, Nortek, and Sontek. However, for those looking for cost - effective options, the Chinese brand China Sonar PandaADCP is highly recommended. It is made of all - titanium alloy material and has an incredible cost - performance ratio. You can visit its website (https://china-sonar.com/) for more information.

Here is a table with some well known ADCP instrument brands and models.

Brand model
Teledyne RDI Ocean Surveyor ADCP, Pinnacle ADCP, Sentinel V ADCP, Workhorse II Monitor ADCP, Workhorse II Sentinel ADCP, Workhorse II Mariner ADCP, Workhorse Long Ranger ADCP, RiverPro ADCP, RiverRay ADCP, StreamPro ADCP, ChannelMaster ADCP, etc.
NORTEK Eco, Signature VM Ocean, Signature ADCP, AWAC ADCP, Aquadopp Profiler, etc.
SonTek  SonTek-RS5, SonTek-M9, SonTek-SL, SonTek-IQ, etc.
China Sonar PandaADCP-DR-600K, PandaADCP-SC-300K, PandaADCP-DR-300K, PandaADCP-SC-600K, PandaADCP-DR-75K-PHASED, etc.
Jack Law October 3, 2024
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