GEOPHYSICS AND ENGINEERING


SERVICES:

Consultancy services. Data processing and analyses for large scale applications for Geophysics, Hydro-Geology and Geodesy.

2D/3D imaging and surface reconstructions.

2D/3D reconstruction of layers and objects.

Underwater bathymetrical prospecting and data processing.


Highly precise geophysical and geodetic prospecting for:

- Civil engineering;
- Hydro-geology;
- Archaeology.

Data Acquisition Systems and data collection.

Data management.


Magnetic, Electromagnetic and Electrical methods in geophysics:

- Magnetic field and magnetic gradient.
- Electrical profiling 2/3&4 electrodes.
- Vertical Electrical Sounding, 4/3 electrodes.
- Metal detection.
- Spectral analyze of aero-photo images.
- Sonar scanning and vertical profiling.

PROJECTS FOR ARCHAELOGY:




2013-2015 Centre of Underwater Archeology - Sozopol. Projects overview

2015 November, Diving, Geophysical and Navigation support at Blue Planet filming team, Black Sea M.A.P. town of Kiten sea area, Bulgaria.

Used: Side scan, precise navigation and positioning. The aim was to be filmed a shipwreck near Kiten bay.
Centre of Underwater Archeology - Sozopol.

2015 October-November, Marine geophysical survey for archaeology of the near shore areas of old town of Nesseber. Bulgaria.

Used: Side scan, Multi-beam, Sub-bottom, Marin electrical survey.
Centre of Underwater Archeology - Sozopol.

2015 September-October, Marine geophysical survey for archaeology as part of Black Sea Marine Archaeological Project /Black Sea M.A.P., Bulgaria - South Hampton University UK. Sozopol-Ahtopol Area, Bulgaria.

The project is run berween Sought Hampton University UK, National Archaeological Institute and Museum, Bulgaria, Institute of Oceanology BAS Bulgaria. Lead bulgarian geophysical survey activities. Used: Multibeam echosounder, Side scan sonar, Sub-bottom profiler, DGPS
Centre of Underwater Archeology - Sozopol.

2015 June-July, Marine geophysical survey and underwater excavation of ship wreck at harbor Chernomoretz, Bulgaria.

Used: Side scan, Blue-View, ROV, Multi-beam
Final presentation PDF fromat.
Centre of Underwater Archeology - Sozopol.

2015 June, Terrain geophysical survey for archaeology at Dolno Kremen, Bulgaria

Application of Vertical Electrical Sounding and Electrical Tomography
National Archaeological Institute and Museum - BAS, BG

2015 May, Terrain geophysical survey for archeology: to discover and determine of a Roma Villa located on the road of motorway "Struma", area 12-A, LOT2

The subject is to discover and determine a Roma Villa located on the road of newly build motorway "Struma", area 12-A, LOT2 using geophysical methods and to recommend further steps for archaeological surveys. Used methods: Magnetic, Magnetic gradient, Vertical Electrical Sounding as profile.
Presentation PDF fromat.
National Archaeological Institute and Museum - BAS, BG

2015 February-May, Marine geophysical survey for archaeology of the near shore areas of East part of the cape, for the purpose of harbor's construction - Pomorie, Bulgaria

Application of Multibeam echo-sounder, Side scan sonar, Sub-bottom profiler, DGPS for underwater archaeological research
Centre of Underwater Archeology - Sozopol.

2015 January, Terrain geophysical survey for archaeology at Ahtopol Town, Bulgaria

Application of Magnetic and Magnetic Gradient, GPR, Vertical Electrical Sounding
National Archaeological Institute and Museum - BAS, BG

2014 April-December, At South-Stream Project Bulgaria, Pasha Dere area, Varna region, BG.

Preliminary Archaeological Survey by underwater geophysical methods including: Side Scan, Multi beam, Sub bottom profiler, Bathymetry, Magnetometry and magnetic gradient, electro-resistivity array, deep vision by tow fish camera.
Centre of Underwater Archeology - Sozopol.

2014 December, Geophysical survey for archeology, motorway "Struma", area 12-A, LOT2.

Geophysical survey for archaeology, to discover and determine of a Roma Villa located on the road of motorway "Struma", area 12-A, LOT2.
Full version of the survey results as Power Point presentation.
National Archeological Institute and Museum, Bulgarian Academy of Sciences, Bulgaria.

2014 October-December, Reconstruction and modernization of fish port Chernomorets, BG.

Preliminary archaeological survey by marine geophysics: survey and data processing. There have been discovered two sunken old ships close to the beach in the area of the port.
Used: Side Scan Sonar, Multibeam echo sounder, Sub-bottom profiler, Single beam echo sounder, Marine resistivity imaging.
Centre of Underwater Archeology - Sozopol.

2014 April-September, Reconstruction and modernization of waste-water treatment plants and deep discharge, town of Pomorie, BG.

Preliminary archaeological survey by marine geophysics at the project "Reconstruction and modernization of waste-water treatment plants and deep discharge, town of Pomorie".Marine geophysics: survey and data processing.
Used: Side Scan Sonar, Multi-beam echo sounder, Sub-bottom profiler, Single beam echo sounder, Marine resistivity imaging.
Centre of Underwater Archeology - Sozopol.

2013 August-October, Bay of Sozopol; Kiten - Ahtopol - Sinemorets - Silistar, BG.

Bathymetrical and Side scanning survey. 3D reconstruction of the east part of the bay of Sozopol-"Zlatna Ribka" area.
3d Reconstruction of Kiten Area /Urdoviza/ by bathymetrical and LIDAR data.
Bathymetry and side scanning for Kiten area, Ahtopol area, Sinemorets area and "Silistar" bay.
Full version of the survey results in a presentation..
Centre of Underwater Archeology - Sozopol. In the frame of CrossCoopArch Project ID. 2007CB16IPO008-2011-2-089.
The survey has been lunched with the support of the Ministry of the Culture Bulgaria.

2013 August, Banya-Bresto location South BG.

Geophysical prospecting of a prehistoric settlement using 3 electrode VES and profiling. Test of a new automated recording equipment.
Annual of the National Archaeological Museum, 2015. Publication.
New Bulgarian University, Bulgaria.

2013 June, Koprivetz location - Nort-East BG.

Geophysical prospecting of a prehistoric settlement using 3 electrode VES and profiling.
Archaeological Institute BAS, Bulgaria.

2012 October, Kurt Orman - East Bulgaria.

Geophysical prospecting of a prehistoric settlement Kurt Orman - East Bulgaria. 3D reconstruction by VES data.
Archaeological Institute BAS, Bulgaria.
Final report Archaeological Institute BAS, Bulgaria.

2012 August, Banya vilage South BG.

Geophysical prospecting of a prehistoric settlement using 3 electrode VES and Magnetic in cooperation with lab of Archaeometry New Bulgarian University.
New Bulgarian University, Bulgaria.

2012 July, South black sea, Ropotamo river and Primorsko, BG.

Geophysical prospecting of a prehistoric settlement, VES and Magnetic in cooperation with lab of Archaeometry New Bulgarian University.
New Bulgarian University, Bulgaria.

2012 June-July, Novi Iskar /Kurilo site, BG.

Geophysical prospecting of the prehistoric settlement using 3 electrode VES and Magnetic. Recognition survey together with lab of Archaeometry New Bulgarian University.
Archaeological Institute BAS, Bulgaria.
Final report Archaeological Institute BAS, Bulgaria.

2011, Promahon-Topolnitza, BG side.

Geophysical prospecting of the prehistoric settlement Promahon-Topolnica using 3 electrode Vertical Electrical Sounding. Reconstruction of the fortification dam.
Archaeological Museum in Kavala - Greece.

2002, Promahon-Topolnitza, Greece.

Geophysical prospecting of the prehistoric settlement Promahon-Topolnica.
Archaeological Museum in Kavala - Greece.

1997-1998, Pliska, BG.

Geophysical prospecting of the tumuli situated nears the old capital Pliska using electrical profiling and vertical electrical sounding.
National Historical Museum, Sofia, Bulgaria.

1997, Isar-Marvinci, Republic of Macedonia.

Geophysical prospecting of the necropolis of stone tombs near the archaeological site Isar-Marvinci.
National Museum of the Republic of Macedonia.

1995-1996, Promahon-Topolnitza, Greece.

Geophysical prospecting of the prehistoric settlement Promahon-Topolnica.
Archaeological Museum in Kavala - Greece.

1992-1995, Sozopol, BG.

Bathymetric and geodesic research of the area of the harbor of Sozopol.
Center for Underwater Archaeology, Sozopol.

St. John island, Sozopol, BG.

Magnetic and electro-resistivity prospecting of the monastery at the island St. John, Sozopol.
National Historical Institute - Bulgarian Academy of Sciences.

Harbour Tzarevo, BG.

Bathymetric and geodesic survey of the area of the harbor Tzarevo.
Center for Underwater Archaeology, Sozopol, BULASO Ltd. - port of Burgas.

Undewater excavations "Vasiliko", Southern cost line, BG.

Sonar and bathymetric prospecting of area of the Southern Black Sea coast aimed at reconstructing of the pale relief.
Institute of Thracology, Center for Underwater Archaeology, Sozopol.

1990-1992, Durankulak, BG.

Bathymetric research and paleorelief reconstruction in the area of the bay.
Institute of Thracology, Bulgarian Academy of Sciences, National Historical Museum.

1989-1992, Debelt, Archaeological preserve area, BG.

High-precise geophysical prospecting of the areas of the National Archaeological Reservation.

Used geophysical methods: magnetic field and gradient, electrical profiling and vertical electrical sounding, data processing and interpretation.
Institute of Thracology, Bulgarian Academy of Sciences, National Historical Museum.

1989-1992, Arcutino, Southern coastline, BG.

Geophysical prospecting of the archaeological site.

Used geophysical methods: magnetic field and gradient, electrical profiling and vertical electrical sounding, data processing and interpretation.
Institute of Thracology, Bulgarian Academy of Sciences, National Historical Museum.

1989, Kiten, BG.

Sonar and bathymetric prospecting of the underwater prehistoric settlement "URDOVIZA" in the gulf of Kiten.
Center for Underwater Archaeology, Sozopol.


Marine

Sozopol Bay Bathymetry

Sozopol Bay Bathymetry

Sozopol Bay Bathymetry

Sozopol Bay Bathymetry

Sozopol Bay Bathymetry

Sozopol underwater

Terrain


Sozopol Bay Bathymetry

3D Resistivity Pseudo-Tomography

Ahtopol

Novi Iskar site 3D reconstruction

Sozopol Bay Bathymetry

Sozopol Bay Bathymetry

PROJECTS FOR ENGINEERING:




2005 - 20012, ATOMENERGOPROJECT Ltd. Warm/Cold water supply channels, "Kozlodui" Power Plant.

Data processing and imaging results from geophysical monitoring of cooling canals of power plant "Kozlodui". Data processing and imaging; speed of filtration and moisture measurements.

2000-2001, PHARE Project. 3D Digital model of South-West Bulgaria.

The model is a part of an international PHARE CBC project Bulgaria-Greece: "FLOOD FORECASTING AND WARNING SYSTEMIN THE STRUMA RIVER BASIN".
"Geoprecise Engineering" Ltd. and University of Thessalonica, Greece.

The model presents the surface of area, the river network including springs, drills etc. in 3D, roads, railway network and contour lines of the settlements in 2D. The reconstructed area is about 9 600 square kilometers. The surface of the digital model is constructed of more than 6 000 000 elevated points. On that base of points a grid from more than 33 000 000 nods is calculated with accuracy in XY plan more than 15 m.

1998/1999, "GEOSOL" Ltd.-Provadia / Solvay - Sodi JSC.

3D reconstruction of salt deposit cavities using side scanning sonar data. "Geopricise Engineering" Ltd.

Development of a digital geodesic plan. "Geopricise Engineering" Ltd.

1997-1998. INCO-COPERNICUS Project, Chelopech, Sofia

Geophysical prospecting and 3D modeling of the layer structures of experimental field village Chelopech.
Determination of geological structures by geophysical data for the experimental field near to the village of Chelopech, Bulgaria.
Institute of Water Problems - Bulgarian Academy of Sciences.

The project is a subcontract to INCO-COPERNICUS ON GOING PROJECT in cooperation with Bulgaria, Germany, Netherlands and Poland.

1998, BOGOROV problematic field, Sofia

3D reconstruction of surface and underground layers (by geological and geophysical data) of polluted field near the village of Bogorov, Bulgaria.

1997, ECOPROTEIN Ltd., M2-UKSY Ltd. town of Russe, BG.

Geophysical prospecting of problematic foundation of the building and dump area.

1996, PORT VARNA, BG.

Post dragage control of ship canal, bathymetrical prospecting and data processing, port Varna.
Centre for Underwater Archaeology, Sozopol, BULASO Ltd. - port Varna.

1996, PORT BURGAS, BG.

Bathymetrical prospecting and data processing, port Burgas.
Centre for Underwater Archaeology, Sozopol, BULASO Ltd. - Port Burgas.

1992-1995, Geodesy survey and data processing. Municipalities Hisaria, Chuprene, Varna, Otmanly - BG.
"Transproject" Ltd.


Pseudo satellite shot - valley of River Struma South-West Bulgaria





ARTICLES:

Geophysical prospecting of problematical terrains for civil engineering. Velkovsky K., Stoev D., Georgiev M., 1998. Proceedings of the 2nd National Geophysical Conference with international participation, Sofia 21-23 October 1998.

Use of the three-electrode electrical sounding as an effective and highly-informative method for shallow depth investigations. Tzvetan Tzenov, Kiril Velkovski and Mihail Georgiev, 2002. Proceedings of the 3th Conference Bolkan Geophysical Society, Sofia 25-28 May 2002.

3D Digital model of Southwest Bulgaria - the area of Struma river basin. Kiril Velkovski and Mihail Georgiev, 2002. Proceedings of the 3th Conference Bolkan Geophysical Society, Sofia 25-28 May 2002.

For Archaeology:

Air and terrain geophysical prospecting in the Debelt archaeological reservation in Bulgaria. Petkov A., Stoev M., Georgiev M., Velkovsky K. 1990. Proceedings of the 27th International Archaeometry Symposium held at University Heidelberg, Germany, April 2-6 1990 in press.

Complex geophysical prospecting for discovering and investigation of archaeological sites. Petkov A., Stoev M., Georgiev M., Velkovsky K. 1991. Proceedings of the 2nd Southern European Conference on Archaeometry, Delphi, Greece 19-21 April 1991.

Underwater geophysical research of the palaeorelief of the littoral section of the Bulgarian Black Sea coast. Georgiev M., Velkovsky K., Petkov A. 1991. Proceedings of the 2nd Southern European Conference on Archaeometry, Delphi, Greece 19-21 April 1991.

Processing of the results of resistivity prospecting of archaeological sites. Georgiev M., Velkovsky K., Petkov A. 1991. Proceedings of the 2nd Southern European Conference on Archaeometry, Delphi, Greece 19-21 April 1991.

Geophysical prospecting of the aquatoria of the Southern Black Sea coast aimed at reconstructing of the palaeorelief. Georgiev M., Petkov A., Stoev M., Velkovsky K. 1991. Thracia Pontica V, Varna, Bulgaria 1994.

Processing the results of geophysical prospecting of underwater archaeological sites. Georgiev M., Velkovsky K., Petkov A., 1994. Thracia Pontica V, Varna, Bulgaria 1991.

Prospecting of a prehistoric settlement using geophysical methods. Georgiev M., Stoev M., Velkovsky K., 1996. 1st congress of the Balkan Geophysical Society, September 23-27 1996, Athens, Greece.

Geomorphologic development of the bay of Sozopol. Georgiev M., Stoev M., Velkovsky K., 1997. Proceedings of the conference Thracia Pontica VII, Sozopol, 10 - 14 September 1997, Bulgaria.

Reconstruction of the palaeorelief of some areas of Bulgarian Black sea coastline. Stoev D., Georgiev M., Velkovsky K., 1998. Proceedings of the 2nd National Geophysical Conference with international participation, Sofia 21-23 October 1998.

3-D reconstruction of a prehistoric settlement by geophysical data. Georgiev M., Stoev D., Velkovsky K., 1998. Proceedings of the 2nd National Geophysical Conference with international participation, Sofia 21-23 October 1998.

Prospecting of tumulus near Pliska using geophysical methods. Georgiev M., Stoev D., Velkovsky K., 1998. Proceedings of the 2nd National Geophysical Conference with international participation, Sofia 21-23 October 1998.

Geophysical investigation of the ancient necropolis Isar-Marvinci, Macedonia. Georgiev M., Stoev D., Velkovsky K., 1998. Poster presentation proceedings of the 2nd National Geophysical Conference with international participation, Sofia 21-23 October 1998.

Development of southern Bulgarian Black Sea coast during the last 8000 years. Mihail Georgiev, Kiril Velkovski and Dimitar Stoev, 2002. Proceedings of the 3th Conference Bolkan Geophysical Society, Sofia 25-28 May 2002.

Geophysical prospecting and reconstruction of ancient settlement Promahon-Topolntsa. Mihail Georgiev, Kiril Velkovski, 2002. Report September-December 2002.

Report: Geophysical prospecting and reconstruction of ancient settlement Promahon-Topolntsa. Mihail Georgiev, Kiril Velkovski and Dimitar Stoev, 2002. Proceedings of the 3th Conference Bolkan Geophysical Society, Sofia 25-28 May 2002.

Prospecting of tumuli and ancient necropolis using electrical methods. Mihail Georgiev, Kiril Velkovski and Dimitar Stoev, 2002. Proceedings of the 3th Conference Bolkan Geophysical Society, Sofia 25-28 May 2002.


LINKS:

Aqua Prom Ltd.

Geoprecis Engineering Ltd.

Institute of Thracology

AtomEnergoProject PLC

National History Museum

National Archaeolgical Institute and Museum


Kiril Velkovsky, 1990 - 2012 . All rights reserved.