UWITEC - Piston corer (coring system with motor power)

• rope-operated piston corer
• coring drive by steel weight at the sediment surface and with motor power
• core barrels of 2.0 and 3.0 m length with plastic liner
• core diameter is 86mm

Application

• Core sections up to 20.0 m long in the sediment; "unlimited" water depths (actually 240.0 m of Kevlar-rope)

Field requirements

• Complete raft on a car trailer (e.g. UWITEC aluminium pontons and 2 inflatable floaters)
• drilling crew of 3 or 4 persons

UWITEC - Piston Corer (manually operated system)

• rope-operated piston corer
• coring drive by steel weight at the sediment surface
• core barrels of 2.0 m and 3.0 m length with plastic liner
• core diameter 60 and 86 mm

Application

• core sections up to 20.0 m long
• "unlimited" water depths (until 140m water depth - length of the rope and the underwater pressure)

Field requirement

• smaller raft (e.g. UWITEC aluminium mounts or inflatable floaters)
• drilling crew of at least 3 persons

Usinger Piston Corer

• modified Livingstone-style piston corer with a rod-operated piston system
• coring drive by a fuel hammer (or electro) from the steel raft
• aluminium casing between the raft and the sediment surface
• core barrels of 1.0 or 2.0 m length in steel liner (wall thickness of 1 mm)
• core barrel diameter of 40, 55, 80 and 100 mm available

Application

• high-precision coring
• long, undisturbed sediment sections, more than 50.0 m long (depending on water depth and sediment behavior, actual maximum sediment section length is 95.0m)
• coring of various lake sediments and peat, including dm-scale coarse-grained layers, lakes with water depths up to 50.0 m

Field requirements

• for coring of long sediment sections or stiff sediments with a stable raft and a large electro winch and tripod with 3.5 m free working height
• drilling crew of 4-6 people for coring (minimum two technicans)

Ghilardi Freefall Corer KGH 94

• rope-operated freefall corer with trigger weight
• short cores in a plastic tube with length until 1.80m
• core diameter of 60.0 mm

Application

• Short cores of maximum 1.80 m length from soft lake sediments

Field requirements

• rubber boat or a small inflatable catamaran
• 2 persons for coring

UWITEC Freefall Corer

• rope-operated light-weight freefall corer without piston
• short cores in a plastic tube with length until 2.0 m
• core diameter of 60.0 or 86.0 mm

Application

• short cores of maximum 2.0 m length from soft lake sediments

Field Requirements

• rubber boat or a small inflatable catamaran
• 2 persons for coring

UWITEC Freeze Corer (Freeze Corer Type 4)

• rope-operated freeze corer
• aluminium freeze sword cooled by ethanol
• different sizes (width and length) of freezing swords (standard is 110.0 x 10.0 cm)

Application

• high precision coring of the uppermost, unconsolidated part of lake sediment sections
• water depth of several 100.0 m

Field requirements

• small raft
• dry ice or liquid nitrogen to cool the ethanol
• coring team of at least 2 persons

Russian Peat Corer

• rod-operated peat corer of 1.5 m length (chamber size 7.5 x 100.0 cm);
• 9.0 m of extension rods;

Application

• Peat and soft lake sediments;
• Shallow water;

Field requirements

• One person

• Mechanical extruder for Usinger-corer steel tubes
• Hydraulic extruder for Usinger-corer steel tubes
• Hydraulic extruder for UWITEC-corer steel and plastic tubes
• UWITEC water sampler (5.0 litre)
• Water sampler 1.5 and 3.0 litre
• Hand winches (UWITEC) for 150.0 and 170.0 m water depths (for water sampler and shortcore systems)
• Plankton nets
• Echo Sounder and Side-imaging “Humminbird” Model 1198c
• Echo Sounder “Garmin” Model GPSMap 188C 
• hand-operated GPS – “Garmin”
• Sub-Bottom Profiler “INNOMAR” Model SES-2000 compact
• “Hemisphere”, Model R110 GPS
• Mini “ROV Guardian”, Model 2.1 (submarine with cameras and tools for sediment and water sampling)
• cable-operated underwater camera (“Mangrove”) and lights (Mascot/Hardenberger)
• Sediment traps (Technicap PPS3/3; KC Denmark & UWITEC)
• Catamarans with Inflatable rubbers (small and bigger one (4.0 x 4.0 m))
• “Yamaha” rubber boats (YAM 275,340, 380 S)
• Electro boat engine “Torqueedo”, Model Travel 1003; Boat engines “Honda” with 5, 15 and 25 PS
• Generators “Honda” with 1.0, 2.0. and 5.0 KW

Multiparameter Water Probe, Model YSI 6920

• for water depths of max. 150.0 m, with sensors for measurements of Temperature, DO (dissolved oxygen), pH/ORP (combined sensor for pH and oxidation / reduction potential), Specific Conductivity and Turbidity

Multiparameter Water Probe, Model YSI 6600

• for water depths of max. 200.0 m, with sensors for measurements of Temperature, DO (dissolved oxygen), pH/ORP (combined sensor for pH and oxidation / reduction potential), Specific Conductivity and Turbidity

Chlorophyll Probe, Model YSI 6025

• for measurements of general chlorophyll content
• Excitation at about 470nm

• Working catamaran

• Lake sediment coring with UWITEC - piston corer