Technical Field Equipment - Drilling Equipment: GFZ

Technical Field Equipment - Drilling Equipment

Hallstätter See - Österreich 2012 *(GFZ)*

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

hydraulic puller to lift out the drilling system *(GFZ)*

large platform with Usinger coring system

mechanic puller to lift out the inner rod

external piping of Usinger coring system

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 short corer with weights *(GFZ)*

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

recovered short core (90mm diameter) with Uwitec short core system *(GFZ)*

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

Mini “ROV Guardian”, Model 2.1 (submarine with cameras and tools for sediment and water sampling);

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