RV BELGICA CRUISE 2015/16 CRUISE REPORT

Transcription

1 Operational Directorate Natural Environment RV BELGICA CRUISE 2015/16 CRUISE REPORT Subscribers Institutes Addresses Telephones E mails CSS: Koen Degrendele (KD); DGMR: Sonia Papili (SP); Dr. Olga Lopera (OL); MSC: Yves Van Petegem (YVP); OD Nature: Dr. Vera Van Lancker (VVL); CSS:FPS Economy, SMEs, self employed and Energy, Continental Shelf Department DGMR: Belgium Defence DGMR Mine Counter Measure, AFDOPSZEB / MWU REA (SP) Signal and Image Centre CISS Department Royal Military Academy (OL) MSC: Belgium Defence COMOPSNAV, AFDOPSZEB MWU/REA (Mine Warfare Unit/Rapid Environmental Assessment), NMWMSC (Nato Mine Warfare Mission Support Centre) OD Nature: Operational Directorate Natural Environment CSS: NGII Koning Albert II Laan 16, 1000 Brussels DGMR: Graaf Jansdijk 1, 8380 Zeebrugge (SP) Renaissancelaan 30, 1000 Brussels (OL) MSC: Graaf Jansdijk 1, 8380 Zeebrugge OD Nature BRU: Gulledelle 100, 1200 Brussels +32(0) (KD); +32(0) (SP); +32(0) (OL); +32(0) (YVP); +32(0) (VVL) koen.degrendele@economie.fgov.be; sonia.papili@mil.be; olopera@elec.rma.ac.be; yves.vanpeteghem@mil.be; v.vanlancker@mumm.ac.be 1

2 Operational Directorate Natural Environment Geology: 10/06/ /06/ Cruise details 2. List of participants 3. Scientific objectives 4. Operational course 5. Track plot 6. Measurements and sampling 7. Remarks 8. Data storage 2

3 1. CRUISE DETAILS 1. Cruise number 2015/16 2. Date/time Brest TD: 10/06/2015 at 10h15 Zeebrugge TA: 16/06/2015 at 16h30 3. Chief Scientist Koen Degrendele Participating institutes FPS Economy CSS, DGMR, MSC, OD Nature 4. Area of interest French and British EZ Belgian part of the North Sea 2. LIST OF PARTICIPANTS INSTITUTE NAME 10/06 12/06/ /06 16/06/2015 Koen DEGRENDELE X X CSD Lies DE MOL X X Marc ROCHE X X IFREMER Xavier LURTON X X NOC Tim LE BAS X X SHOM Christophe VRIGNAUD X Sonia PAPILI X X DGMR/MSC Olga LOPERA X X Ives REGENT X X Yves VAN PETEGHEM X X Gino DECEUNINCK X X Freddy PRIEM X X Total number of participants: SCIENTIFIC OBJECTIVES CSS KD Implementation of the continuous investigation laid down in section 3, 2, subsection 3, of the law of June 13th 1969, concerning the exploration and exploitation of non living resources on the Belgian Continental Shelf, and the concession decisions. The follow up of the repercussions of the sand extraction on the stability of the sand banks and surrounding area in the exploitation zones, in order to formulate policies concerning the exploitation in the concession zones on a scientific base. The sediments of the Belgian continental shelf will be investigated in order to: 1. Establish the impact of sand extraction on the sand budget and seabed sediments. 2. Survey the sand winning sites to detect significant changes of the seabed sediments and the morphology of the seabed and sand banks in order to guarantee the availability of sand to extract in the future. To guarantee the quality of the continuous research, an evaluation of the measurement system and methodology on internationally recognized reference areas is required. The main goal of this campaign is to evaluate the backscatter cartography from the EM3002D systems onboard the RV Belgica through a thorough ground truthing and a 3

4 comparison with backscatter recordings from various European research institutes (IFREMER, SHOM and NOC). This data will contribute to the establishment of the selected areas as international backscatter reference areas. DGMR SP The actual bottom types doctrinal is legacies from the 1950s mine warfare (NMW) and anti submarine warfare (ASW). At that time sonar systems performed similarly, having more or less the same capabilities and specifications. Nowadays, there is a wide variety of sonar systems types, displays etc. (side scan, low frequency wide band (LFWB), highfrequency wide band (HFWB), Synthetic Aperture Sonar (SAS), as well as much refined forward looking sonar systems). These different sonar types can and do perform very differently against the same target in het same water and bottom conditions. The main purpose of the current work is to classify the sea bottom considering a wide spectrum of parameters. The different parameters will be combined in relation to their influence on backscatter and reverberation response on different instruments. In this way, the available instruments will be properly tuned to the sea floor. As last result, the sensors will be more reliable on defining the bottom type, even in unknown region. Beside the contribution of the sea bottom, the volume reverberation caused by the backscattering from the water column, impacts as well the sonar image (Lurton, 2002). To estimate this component, also water column properties will be analyzed. DGMR OL This project aims to determine the limits for the detection and classification of seabed objects, in particular mines. In the frame of the Long Term Critical Requirement 21 (Fast detection and neutralization of a minefield) and following the development of autonomous underwater vehicles (AUV), it is necessary to develop classification procedures. This work will focus on the study of synthetic aperture sonar (SAS) images to validate SAS image processing algorithms which will be developed. Data (high resolution SAS images) will be collected using the available equipment (modern minehunters and sensors from the Mine Warfare Data Center) during the measurement campaigns which will be planned in collaboration with the projects of Sonia PAPILI (progr. 17) and Eric MERSCH (progr. 19). MSC YVP Collection of bathymetric seabed information of Belgian EEZ with the use of EM 3002D Multibeam Echo Sounder, SHADOWS Synthetic Aperture Sonar and SEAQUEST Gradiometer in areas with priority 1 for the NMWMSC. Meanwhile fine tuning of software and procurement of procedures for use of the systems for upgrade of the Mine Warfare Data Center (MWDC). Most of our clients, Belgian and Dutch minehunters as our NATO partners come to exercise into these areas. Therefore our intention is to procure them a picture of all the possible items that they can encounter within these waters. With this project we are going to try to have as much as possible information about these areas. The information is also used to produce Additional Military Layers (AML s). OD Nature VVL ZAGRI is a continuous research program on the evaluation of the effects of the exploitation of non living resources of the territorial sea and the continental shelf. MOZ4 research focuses on the hydrodynamics and sediment transport in a marine aggregate extraction zone, far offshore, and its impact on an adjacent Habitat Directive Area. Overall aim is to increase process and system knowledge of both areas, with particular focus on the compliancy of the extraction activities with respect to the European Marine Strategy Framework Directive. More specifically changes in seafloor integrity and hydrographic conditions need assessment. OD Nature AUMS The AUMS (Autonomous Underway Measurement System) project is inspired by the success of similar systems deployed on various ships of opportunity in the framework of the European Union FerryBox project ( The instrumentation will greatly enhance the continuous oceanographic measurements made by RV Belgica by taking advantage of the significant technological improvements since the design of the existing (salinity, temperature, fluorescence) systems. In particular, many new parameters can now be measured continuously including important ecosystem parameters such as nitrate, ammonia, silicate, dissolved oxygen and CO2, turbidity, alkalinity and phytoplankton pigments. In addition, the new equipment allows automatic acquisition and preservation of water samples, rendering RV Belgica operations significantly more efficient by reducing onboard human resources. Data will be available in near real time via OD Nature public web site ( and following quality control, from the Belgian Marine Data Centre. 4

5 ESA MC (GNSS) For the European Space Agency continuous GNSS (Global Navigation Satellite system) data is autonomously acquired in the maritime environment for performance evaluation under different conditions. RBINS & OD Nature Detection of bats New equipment is installed on RV Belgica to detect the presence of bats at sea with a focus on the effects of windmill farms on the behavior, trekking routes of these animals. 4. OPERATIONAL COURSE All times are given in local time (UTC+2H). All coordinates in WGS84. Throughout the campaign, measurements are made with the AUMS system. Monday 08/06/2015 Embarkation of participants: CSS: 2 / DGMR MSC: 6 Tuesday 09/06/2015 Embarkation of material DGMR MSC Embarkation of participants: CSS: 4 Wednesday 10/06/ h15 13h00 13h40 13h40 16h45 17h00 19h00 20h30 21h40 21h40 23h30 00h00 Departure from Brest Transit to Rascas zone Sound velocity profile on zone RV Belgica Multibeam survey on zone Shadows survey on zone DGMR Multibeam survey on zone Transit to Carré Renard zone Sound velocity profile on zone Thursday 11/06/ h15 05h45 06h00 11h40 11h50 12h00 13h20 14h20 14h40 15h25 15h35 16h35 17h30 17h35 18h05 18h10 20h30 20h45 21h15 02h50 RV Belgica Multibeam survey on zone DGMR Multibeam survey on zone Sound velocity profile on zone Video frame on zone Reineck sampling on zone Transit to Rascas zone Video frame on zone Reineck sampling on zone Transit to Pierres Noires zone Sound velocity profile on zone RV Belgica Multibeam survey on zone Friday 12/06/ h00 09h00 09h05 09h15 09h20 12h10 13h00 14h20 14h20 15h45 16h00 DGMR Multibeam survey on zone Sound velocity profile on zone Video frame on zone Reineck sampling on zone Transit to Anse de Berthaume RHIB transfer of Christophe Vrignaud 5

6 16h00 17h20 21h00 22h15 Transit to Pierres Noires zone Shadows survey on zone Transit to Western Solent Saturday 13/06/ h50 19h55 20h15 20h35 06h40 Arrival in Western Solent Sound velocity profile on zone RV Belgica Multibeam survey on zone Sunday 14/06/ h20 08h40 08h40 09h50 09h55 11h30 15h00 15h15 15h20 15h25 15h45 21h00 21h00 08h30 Video frame on zone Reineck sampling on zone Video frame on zone Video frame on zone Reineck sampling on zone Shadows survey on zone DGMR Multibeam survey on zone Monday 15/06/ h40 Transit to Kwintebank zone KWGS Tuesday 16/06/ h15 05h00 10h45 10h45 16h00 16h30 Arrival on Kwintebank zone KWGS RV Belgica Multibeam survey on zone Participation Demo JMDD Arrival at Zeebrugge Debarkation of participants and material End of campaign 2015/16 6

7 5. TRACK PLOT Figure 1: Track plot of campaign 2015/16 7

8 6. MEASUREMENTS AND SAMPLING 6.1. CSS KD 1. Areas near Brest: 1. Rascas area: Figure 2: Backscatter image of Rascas area (image courtesy of Tim Le Bas NOC). 8

9 2. Carré Renard area: Table 1: Multibeam lines sailed on Rascas area. 0000_ _113933_Belgica.all 0009_ _142611_Belgica.all 0001_ _114916_Belgica.all 0010_ _143656_Belgica.all 0002_ _121850_Belgica.all 0011_ _153949_Belgica.all 0003_ _123214_Belgica.all 0012_ _155143_Belgica.all 0004_ _132634_Belgica.all 0013_ _160534_Belgica.all 0005_ _133642_Belgica.all 0014_ _162129_Belgica.all 0006_ _135143_Belgica.all 0015_ _143544_Belgica.all 0007_ _140310_Belgica.all 0016_ _150544_Belgica.all 0008_ _141542_Belgica.all Figure 3: Bathymetry of Carré Renard area (image courtesy of Tim Le Bas NOC). 9

10 3. Pierres Noires area: Table 2: Multibeam lines sailed on Carré Renard area. 0000_ _221327_Belgica.all 0013_ _015304_Belgica.all 0001_ _223445_Belgica.all 0014_ _021118_Belgica.all 0002_ _224844_Belgica.all 0015_ _022451_Belgica.all 0003_ _230748_Belgica.all 0016_ _023917_Belgica.all 0004_ _232329_Belgica.all 0017_ _025147_Belgica.all 0005_ _234125_Belgica.all 0018_ _030536_Belgica.all 0006_ _000008_Belgica.all 0019_ _031657_Belgica.all 0007_ _001453_Belgica.all 0020_ _032944_Belgica.all 0008_ _003245_Belgica.all 0021_ _034052_Belgica.all 0009_ _004738_Belgica.all 0022_ _113442_Belgica.all 0010_ _010428_Belgica.all 0023_ _120442_Belgica.all 0011_ _011918_Belgica.all 0024_ _134447_Belgica.all 0012_ _013732_Belgica.all 0025_ _141448_Belgica.all Figure 4: Backscatter image of Pierres Noires zone (image courtesy of Tim Le Bas NOC). 10

11 Table 3: Multibeam lines sailed on Pierres Noires area. 0000_ _174356_Belgica.all 0013_ _232043_Belgica.all 0001_ _181357_Belgica.all 0014_ _000200_Belgica.all 0002_ _191608_Belgica.all 0015_ _002103_Belgica.all 0003_ _193004_Belgica.all 0016_ _003654_Belgica.all 0004_ _194057_Belgica.all 0017_ _081915_Belgica.all 0005_ _200007_Belgica.all 0018_ _084915_Belgica.all 0006_ _204456_Belgica.all 0019_ _091915_Belgica.all 0007_ _211441_Belgica.all 0020_ _094915_Belgica.all 0008_ _213633_Belgica.all 0021_ _101914_Belgica.all 0009_ _220253_Belgica.all 0022_ _134041_Belgica.all 0010_ _222711_Belgica.all 0023_ _140722_Belgica.all 0011_ _224801_Belgica.all 0024_ _143722_Belgica.all 0012_ _225535_Belgica.all 0025_ _150722_Belgica.all 4. Ground truthing on areas near Brest: Figure 5: Reineck and video sampling positions on Carré Renard area. 11

12 Table 4: Reineck sampling and video recording positions on the areas near Brest (CR= Carré Renard, R= Rascas, PN= Pierres Noires Time is UTC). ID LAT DMD LONG DMD DATE SAMPLE VIDEO FILE TIME TIME CR_S4_ ' ' 11/06/ :40 CR_S4_ ' ' 11/06/ :50 CR_S3_ ' ' 11/06/ :58 CR_S2_ ' ' 11/06/ :10 CR_S1_ ' ' 11/06/ :22 TRANSECT S1 S4 11/06/ :21 12:13 R4_ ' ' 11/06/ :35 R3_ ' ' 11/06/ :44 R1_ ' ' 11/06/ :57 TRANSECT R1 R4 11/06/ :37 15:27 PN ' ' 12/06/ :00 PN ' ' 12/06/ :19 PN ' ' 12/06/ :45 PN ' ' 12/06/ :06 TRANSECT PN1 PN9 12/06/2015 9:42 12

13 2. Western Solent area: Figure 6: Bathymetry of Western Solent area. Reineck sampling and video recording positions are indicated (image courtesy of Tim Le Bas NOC). Table 5: Multibeam lines sailed on Western Solent area. 0000_ _124554_Belgica.all 0025_ _221418_Belgica.all 0001_ _131554_Belgica.all 0026_ _223329_Belgica.all 0002_ _134554_Belgica.all 0027_ _225745_Belgica.all 0003_ _141554_Belgica.all 0028_ _231658_Belgica.all 0004_ _144554_Belgica.all 0000_ _001702_Belgica.all 0005_ _151554_Belgica.all 0001_ _003819_Belgica.all 0006_ _154554_Belgica.all 0002_ _005944_Belgica.all 0007_ _161554_Belgica.all 0003_ _011849_Belgica.all 0008_ _164554_Belgica.all 0004_ _013828_Belgica.all 0009_ _171554_Belgica.all 0005_ _020015_Belgica.all 13

14 0010_ _174554_Belgica.all 0006_ _022317_Belgica.all 0011_ _183613_Belgica.all 0007_ _023032_Belgica.all 0012_ _185143_Belgica.all 0008_ _023717_Belgica.all 0013_ _190542_Belgica.all 0009_ _024519_Belgica.all 0014_ _191850_Belgica.all 0010_ _025128_Belgica.all 0015_ _193122_Belgica.all 0011_ _030126_Belgica.all 0016_ _194951_Belgica.all 0012_ _031014_Belgica.all 0017_ _200225_Belgica.all 0013_ _031757_Belgica.all 0018_ _201657_Belgica.all 0014_ _032612_Belgica.all 0019_ _202948_Belgica.all 0015_ _033836_Belgica.all 0020_ _204300_Belgica.all 0016_ _034658_Belgica.all 0021_ _210005_Belgica.all 0017_ _035227_Belgica.all 0022_ _211719_Belgica.all 0018_ _040735_Belgica.all 0023_ _213518_Belgica.all 0019_ _041503_Belgica.all 0024_ _215425_Belgica.all 0020_ _042109_Belgica.all Table 6: Reineck sampling and video recording positions on Western Solent area (Time is UTC). VIDEO FILE SAMPLE ID LAT DMD LONG DMD DATE TIME TIME WS ' ' 14/06/ :24 13:20 WS ' ' 14/06/ :04 WS ' ' 14/06/2015 WS ' ' 14/06/ :45 WS ' ' 14/06/ :56 WS ' ' 14/06/ :14 07:10 WS ' ' 14/06/ :32 06:48 WS /06/ :27 WS ' ' 14/06/2015 WS ' ' 14/06/ :13 WS ' ' 14/06/ :02 WS ' ' 14/06/ :50 WS ' ' 14/06/ :38 WS ' ' 14/06/2015 WS ' ' 14/06/ :29 WS ' ' 14/06/ :04 WS ' ' 14/06/ :14 WS ' ' 14/06/ :52 07:45 WS ' ' 14/06/ :36 14

15 3. KWGS area: Figure 7: Backscatter image of KWGS area. Table 7: Multibeam lines sailed on KWGS area. 0000_ _030226_Belgica.all 0011_ _053838_Belgica.all 0001_ _031759_Belgica.all 0012_ _055345_Belgica.all 0002_ _033401_Belgica.all 0013_ _060953_Belgica.all 0003_ _034845_Belgica.all 0014_ _062307_Belgica.all 0004_ _040428_Belgica.all 0015_ _063944_Belgica.all 0005_ _041427_Belgica.all 0016_ _065805_Belgica.all 0006_ _042122_Belgica.all 0017_ _070518_Belgica.all 0007_ _043441_Belgica.all 0018_ _071321_Belgica.all 0008_ _044920_Belgica.all 0019_ _072041_Belgica.all 0009_ _050705_Belgica.all 0020_ _072937_Belgica.all 0010_ _052303_Belgica.all 0021_ _073753_Belgica.all 15

16 6.2. DGMR SP/DGMR OL/MSC YVP 1) Embarkation of DGMR system in Brest The MWDC system arrived on Monday 9th of June at the port of Brest. The unloading of the system was performed till 11h30.The DGMR technical team performed the installation of the system till evening with heavy weather condition: Wind against at 70km/h Figure 8: Installation of DGMR system. 2) MB recording overview Rascas 3 lines recorded Carré Renard: orthogonal lines NS and WE were recorded. 1 line, called Renard 11, was consecutively recorded with different settings for Back scatter investigation: Equidistance Equiangular; different pulse frequencies: 400µs 200 µs 150 µs 50 µs Pierre Renoir: the area is surveyed Solent: the area is surveyed. 9 lines recorded ST1516 BREST Rascas project ST1516CA LL Table 8: Overview of DGMR multibeam recording. Bathymet ry yes Backscatt er yes Carré Renard ST_Brest yes yes grid ST1516 and test backscatter ST_Brest, renard11bathy, renard11backscatter linedata linedatast151 6 linedatast151 6 sound velocity 1507 absorpti on coefficie nt Pierre Noires ST1516No yes yes ST1516Noir, ST

17 ir st1516noirtest csv SOUTHAMPT ON Solent yes yes ST1516Solent St1516Sole nt 1608 SolentTEST yes yes ST1516Solent ) Example of the results: MB recording in the RASCAS Area Bathymetry Figure 9: EM3002D bathymetry on Rascas area. Backscatter Figure 10: EM3002D reflectivity on Rascas area (Accumulation of coarser sediments seems to be presence at the last part of the slope just before the deepest part of the gully). Sampling: 3 samples were taken in Rascas area: Samples: RR S4 1; RR S3 1; RR S1 1 Description: RR S4 1: Mud Clay, color Black, Inorganic material; Shells of different types, dimension around 3cm; Pecten with dimension 7 to 10 cm. RR S3 1: mud, color black with 1mm layer brown color. Top 5cm layer, big shells (gasteropoda) with dimension around 3cm. Presence of worms around 3 4 cm. RR S1 1: 17

18 Mud color grey dark brown, with shells fragments beeing the course fraction of the sediments. Shell fragments up to 3 cm on top of the layer, color brown. In the fragments are present small irregular fragments as part of reef. SHADOWS Rade (FR) Contacts: Dome1, Dome2, Cube1, Cube2, Unknown1, Unknown2, Unknown3 Figure11: Unknown1 dimensions and position Figure12: Dome1 dimensions and position 18

19 Figure13: Dome1 and Cube1 Figure14: Cube1 dimensions and position 19

20 Figure15: Dome1 and Cube2 Figure16: Cube2 dimensions and position 20

21 Figure17: Unknown2 dimensions and position Figure18: Unknown3 dimensions and position 21

22 Figure19: Dome1 and Dome2 Figure20: Dome2 dimensions and position 22

23 SHADOWS Pierres Noires (FR) Mapping Figure21: Pierre Noires area Shadows Solent (UK) Contacts: Wreck, Cable, Pipeline Figure22: Contacts Pierre Noires area 23

24 7. REMARKS The crew of the RV Belgica is acknowledged for the valuable and greatly appreciated cooperation. DGMR Remarks: The power supply on board was very unstable and fluctuated a lot. Due to this matter, the 3000W UPS off the MWDC container couldn t manage the high voltages and went every time in alarm (5 times in 6 hours). We had to restart the system every time when we lost communication with the fish. We solved the problem by connecting the critical parts to the smallest UPS and the less critical ones to the biggest UPS. 8. DATA STORAGE All raw multibeam data from the RV Belgica EM3002D is stored by FPS Economy Continental Shelf Department. For all information contact Koen Degrendele (koen.degrendele@economie.fgov.be) Idem for video recordings and Reineck boxcorer sampling. All raw MB (DGMR system) and SAS data are stored at REA department AFDOPSZEB Zeebrugge Navy component. For all information contact Christophe Peisker (christophe.peisker@mil.be) or Sonia Papili (sonia.papili@mil.be). 24