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  • 1
    Online Resource
    Online Resource
    Singapore : Springer Singapore
    Keywords: Earth sciences ; Earth Sciences ; Geophysics ; Geotechnical engineering ; Earth sciences ; Geophysics ; Geotechnical engineering
    Description / Table of Contents: Introduction to Ice Drilling Technology -- Yearly History of Ice Drilling from 19th to the First Half of 20th Century -- Direct-Push Drilling -- Hand- and Power-driven Portable drills -- Percussion Drills -- Conventional Machine-driven Rotary Drill Rigs -- Flexible drill-stem Drill rigs -- Cable-suspended Electromechanical Auger Drills -- Cable-suspended Electromechanical Drills with Bottom-hole Circulation -- Drilling Challenges and Perspectives for Future Development. .
    Type of Medium: Online Resource
    Pages: Online-Ressource (XIV, 284 p. 379 illus., 219 illus. in color, online resource)
    Edition: 1st ed. 2016
    ISBN: 9789811005602
    Series Statement: Springer Geophysics
    Language: English
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  • 2
    Online Resource
    Online Resource
    Cham : Springer International Publishing | Cham : Imprint: Springer
    Keywords: Geotechnical engineering. ; Geography. ; Earth sciences. ; Civil engineering. ; Environmental monitoring. ; Mineralogy. ; Antarktis ; Arktis ; Bohren ; Exploration ; Prospektion ; Tiefbohren ; Polargebiete ; Arktische Zone ; Bohrung ; Bohrwerkzeug ; Geotechnik ; Tiefbohrung
    Description / Table of Contents: Chapter 1. Drilling targets in the Polar Regions -- Chapter 2. Drilling challenges in the Polar Regions -- Chapter 3. Direct-push and percussion drilling -- Chapter 4. Non-coring erosion drilling in permafrost -- Chapter 5. Auger and rotary dry drilling -- Chapter 6. Rotary drilling with drilling fluid circulation -- Chapter 7. Air and foam drilling -- Chapter 8. Special drilling methods in the Polar Regions -- Chapter 9. Offshore drilling and sampling in the Polar Regions. Concluding Remarks, References.
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource(XVI, 387 p. 1 illus.)
    Edition: 1st ed. 2022.
    ISBN: 9783031072697
    Series Statement: Springer Polar Sciences
    Language: English
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  • 3
    Online Resource
    Online Resource
    Singapore : Springer
    Keywords: Physical geography ; Geophysics/Geodesy ; Geophysics. ; Geotechnical engineering. ; Polar regions.
    Description / Table of Contents: Hot-Point Drills -- Electric Thermal Coring Drills -- Hot-Water Ice Drills -- Steam Ice Drills -- Perspectives For Future Development of Thermal Ice-Drilling Technology
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (XII, 278 p. 348 illus., 176 illus. in color)
    Edition: 1st ed. 2020
    ISBN: 9789811388484
    Series Statement: Springer Geophysics
    Language: English
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  • 4
    Online Resource
    Online Resource
    Singapore :Springer Singapore Pte. Limited,
    Keywords: Boring-Cold weather conditions. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (289 pages)
    Edition: 1st ed.
    ISBN: 9789811388484
    Series Statement: Springer Geophysics Series
    Language: English
    Note: Intro -- Preface -- References -- Contents -- 1 Hot-Point Drills -- Abstract -- 1.1 Hot-Point Drills with a Fluid-Heating Medium -- 1.1.1 Calciati's Hot-Point Drill -- 1.1.2 ETH Lightweight Hot Point -- 1.1.3 Glacier Girl Recovery -- 1.1.4 IceCube Firn Drill -- 1.1.5 Coiled Hot Points for Drilling in Sea or Lake Ice -- 1.1.6 Summary -- 1.2 Electric-Heated Hot Points -- 1.2.1 NRC Ice Thickness Hot-Point Kit -- 1.2.2 Hot Point of the US Antarctic Service -- 1.2.3 Hot Point of the University of Cambridge -- 1.2.4 Nizery Hot Point -- 1.2.5 AINA Hot Points -- 1.2.6 E.P.F. Hot Point Drills -- 1.2.7 Hot Points of the Baffin Island Expedition -- 1.2.8 Caltech Hot Points -- 1.2.9 Hot Point of Oxford University -- 1.2.10 Granduc Mines Hot Point -- 1.2.11 Hot Points of the Cambridge Austerdalsbre Expedition -- 1.2.12 Hot Point Experiments in 4th-8th SAEs -- 1.2.13 Stacey Hot Point -- 1.2.14 Hot Point of Stockholm University -- 1.2.15 LaChapelle Silicon-Carbide Hot Point -- 1.2.16 Aamot Buoyancy-Stabilized Hot-Point Drill -- 1.2.17 Classen Hot Points -- 1.2.18 ETI-1 Hot Point and Modifications -- 1.2.19 Mikroteb-1 Hot Point -- 1.2.20 Speedograph and ETI Hot Point with Penetration Rate Recording -- 1.2.21 Taylor Hot Points -- 1.2.22 Hot Points of the Laboratoire de Glaciologie, CNRS -- 1.2.23 Hot Points of the University of Minnesota -- 1.2.24 The Simple Hot-Point of the Japanese Glaciological Expedition to Nepal -- 1.2.25 Hot Point of the Geological Survey of India -- 1.2.26 Grześ Hot Point -- 1.2.27 Climatopic Thermal Probe -- 1.2.28 Leningrad Mining Institute Hot Point -- 1.2.29 BGR Hot Point -- 1.2.30 Tohoku University Thermal Sonde -- 1.2.31 Hot Point of the Byrd Polar Research Center -- 1.2.32 Large-Diameter Electric-Heated Hot Points -- 1.2.33 Summary -- 1.3 Freezing-in Hot-Point Drills (Philberth Probes) -- 1.3.1 Subglacial Nuclear Autonomous Station. , 1.3.2 Philberth Probe -- 1.3.3 CRREL Pendulum Probe -- 1.3.4 Meltsonde Probe of the Australian Antarctic Division -- 1.3.5 PICO Thermal Probe (Hansen Probe) -- 1.3.6 Probes of the Snow and Ice Research Group -- 1.3.7 Sonde Under Shelf Ice (SUSI) -- 1.3.8 Recoverable Autonomous Sonde (RECAS) -- 1.3.9 Summary -- 1.4 Thermal Probes for Extraterrestrial Investigations -- 1.4.1 Cryobot -- 1.4.2 Subsurface Ice Probe (SIPR) -- 1.4.3 Modified SUSI Probe -- 1.4.4 Melting Probe of the Space Research Institute -- 1.4.5 Melting Probe of Hong Kong Polytechnic University and the Space Research Institute -- 1.4.6 IceMole -- 1.4.7 VALKYRIE -- 1.4.8 SPINDLE -- 1.4.9 Ice Diver -- 1.4.10 IceShuttle Teredo -- 1.4.11 Summary -- References -- 2 Electric Thermal Coring Drills -- Abstract -- 2.1 Thermal Coring Drills Without Meltwater Removal Systems -- 2.1.1 Caltech Thermal Drill -- 2.1.2 Thermal Core Drill of the University of Iceland -- 2.1.3 Thermal Core Drill of the University of Washington -- 2.1.4 ETB-1 and LKTBM-1 Thermal Drills -- 2.1.5 MTBS Thermal Drills -- 2.1.6 Electrothermal Drill of the University of Minnesota/PICO/IDDO -- 2.1.7 Icedrill.ch Thermal Drill -- 2.1.8 Hot Jay Drill -- 2.1.9 Inductive Electro-Thermal Under-Ice Corer -- 2.1.10 Summary -- 2.2 Electrothermal Coring Drills for Open-Hole Drilling -- 2.2.1 CRREL Deep Thermal Drill -- 2.2.2 CRREL Portable Thermal Drill -- 2.2.3 ANARE Thermal Drill Developments and Experience -- 2.2.4 CRREL Large-Diameter Thermal Drill -- 2.2.5 ANARE Large-Diameter Thermal Drill -- 2.2.6 JARE Thermal Drills -- 2.2.7 TELGA Thermal Drills -- 2.2.8 LGGE Thermal Drill -- 2.2.9 ETB-140 (ETB-130) Thermal Drills -- 2.2.10 Summary -- 2.3 Electrothermal Coring Drills for Drilling with Borehole Fluids -- 2.3.1 CRREL Fluid-Type Thermal Drill -- 2.3.2 TBZS-152 (132) Thermal Drills -- 2.3.3 TBS-112VCh Thermal Drill. , 2.3.4 LGGE Fluid-Type Thermal Drills -- 2.3.5 Antifreeze Thermal Eclectic Drills -- 2.3.6 Summary -- References -- 3 Hot-Water Ice Drills -- Abstract -- 3.1 Hot-Water Systems for Near-Surface Drilling in Glaciers and Making Access Holes Through Sea and Lake Ice -- 3.1.1 PICO Shallow Hot-Water Drill -- 3.1.2 DREP Hot-Water Shallow Drills -- 3.1.3 Soviet/Russian Portable Hot-Water Drills -- 3.1.4 Unmanned Autonomous Hot-Water Ice Drill of the University of New Hampshire -- 3.1.5 Exxon Hot-Water Ice Drill -- 3.1.6 CRREL Portable Hot-Water Drilling System -- 3.1.7 Kovacs Small Hot-Water Drill -- 3.1.8 Shallow Hot-Water Drills for Seismic Surveys -- 3.1.9 IDDO Sediment-Laden Drill -- 3.1.10 Ice Drills for Making Large Holes in Sea Ice -- 3.1.10.1 University of Washington Ice Drills for Making Large holes in Sea Ice -- 3.1.10.2 CRREL Hot-Water Ring for Large-Diameter Holes -- 3.1.10.3 Thermal Hole Opener of Oceanographic Service, Inc. -- 3.1.10.4 DRDC Drills for Making Large Holes in Sea Ice -- 3.1.11 Summary -- 3.2 Shallow Hot-Water Ice-Drilling Systems -- 3.2.1 LGGE Shallow Hot-Water Drills -- 3.2.2 ETH Hot-Water Drill System -- 3.2.3 Hot-Water Drill of University of British Columbia, Canada -- 3.2.4 USGS Hot-Water Drill Systems -- 3.2.5 BAS Shallow Hot-Water Drill -- 3.2.6 Sweden Shallow Hot-Water Drill Systems -- 3.2.7 Hot-Water Drilling System of the Geological Survey of Greenland -- 3.2.8 Icefield Instruments Hot-Water Drilling System -- 3.2.9 Hot-Water Drilling System for Water Well Construction -- 3.2.10 Hot-Water Drill of Aberystwyth University, UK -- 3.2.11 Icelandic Hot-Water Drilling Systems -- 3.2.12 Shallow Hot-Water Drilling Systems of the University of Wyoming -- 3.2.13 ILTS Hot-Water Drilling Systems -- 3.2.14 ANDRILL Hot-Water Drill -- 3.2.15 ARA Hot-Water Drill System -- 3.2.16 JLU Shallow Hot-Water Drill -- 3.2.17 Summary. , 3.3 Intermediate Hot-Water Ice Drilling Systems -- 3.3.1 Browning Hot-Water Drill -- 3.3.2 PICO Intermediate Hot-Water Drilling System -- 3.3.3 ETH Intermediate-Depth Hot-Water Drilling System -- 3.3.4 AWI Hot-Water Drilling System -- 3.3.5 Caltech Hot-Water Drilling System -- 3.3.6 Norwegian Hot-Water Drilling System -- 3.3.7 BAS Intermediate-Depth Hot-Water Drilling Systems and Their Modifications -- 3.3.7.1 Initial BAS Intermediate-Depth Hot-Water Drilling System -- 3.3.7.2 Current BAS Intermediate-Depth Hot-Water Drilling System -- 3.3.7.3 BAS System in the Norwegian Polar Institute -- 3.3.7.4 Hot-Water Drilling at Store Glacier, Greenland -- 3.3.7.5 Hot-Water Drilling on Petermann Ice Shelf, Greenland -- 3.3.7.6 BAS System Used in the FISP Project -- 3.3.7.7 Hot-Water Drilling System of Victoria University of Wellington -- 3.3.8 Hot-Water Drilling System of the University of Alaska-Fairbanks -- 3.3.9 AMISOR Hot-Water Drilling System -- 3.3.10 WISSARD Hot-Water Drill -- 3.3.11 Intermediate-Depth Hot-Water Drilling System of the University of Wyoming -- 3.3.12 Summary -- 3.4 Deep Hot-Water Ice-Drilling Systems -- 3.4.1 AMANDA Project, South Pole -- 3.4.2 IceCube Project, South Pole -- 3.4.3 RABID Project, Rutford Ice Stream, Antarctica -- 3.4.4 Clean Access to Subglacial Lake Ellsworth, Antarctica -- 3.4.5 BEAMISH Project, Rutford Ice Stream, Antarctica -- 3.4.6 Chinese Hot-Water Deep Drilling Project at Amery Ice Shelf -- 3.4.7 Summary -- 3.5 Coring Ice Drills with an Intermediate Heat-Transfer Agent -- 3.5.1 Browning Hot-Water Coring Drill -- 3.5.2 IGSFE Ice-Coring Device -- 3.5.3 Caltech Hot-Water Ice-Coring Drill and Its Modifications -- 3.5.4 SPSMI Hydrothermal Ice-Core Drill -- 3.5.5 Summary -- References -- 4 Steam Ice Drills -- Abstract -- 4.1 Portable Steam Ice Drills -- 4.1.1 Voyeykov's Steam Drill -- 4.1.2 Howorka and NVE Steam Drills. , 4.1.3 Steam Drill of the University of Washington -- 4.1.4 Steam Drill of the Laboratoire de Glaciologie -- 4.1.5 JARE Steam Drill -- 4.1.6 Heucke Steam Drill -- 4.1.7 Danish Steam Drill -- 4.2 Large-Diameter Steam Drills -- 4.2.1 Rodriguez Wells -- 4.2.2 JARE Large-Diameter Steam Drill -- 4.3 Steam Ice-Coring Drills -- 4.4 Summary -- References -- 5 Perspectives for Future Development of Thermal Ice-Drilling Technology -- Abstract -- 5.1 Unconventional Thermal Ice-Drilling Methods -- 5.1.1 Dissolution Drilling -- 5.1.2 Flame-Jet Drilling -- 5.1.3 Laser Ice Drilling -- 5.2 New Heating Technologies -- 5.3 Directional Thermal Drilling -- 5.4 Automated Thermal Drilling Systems and Power Supply -- 5.5 Summary -- References -- Appendix_1 -- Appendix_2.
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  • 5
    Online Resource
    Online Resource
    Singapore :Springer Singapore Pte. Limited,
    Keywords: Physical geography. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (291 pages)
    Edition: 1st ed.
    ISBN: 9789811005602
    Series Statement: Springer Geophysics Series
    DDC: 621.952
    Language: English
    Note: Intro -- Preface -- Contents -- 1 Introduction to Ice Drilling Technology -- 1.1Ice Drilling Targets and Aims -- 1.2Structure of Ice Sheets and Glaciers -- 1.3Classification of Ice Drilling Methods -- References -- 2 Yearly History of Ice Drilling from Nineteeth to the First Half of Twentieth Century -- References -- 3 Direct-Push Drilling -- 3.1Drive Sampling -- 3.1.1 Basic Principles -- 3.1.2 Mt. Rose Sampler -- 3.1.3 Utah Snow Sampler -- 3.1.4 Federal Snow Sampler -- 3.1.5 Bowman Sampler -- 3.1.6 Rosen Sampler -- 3.1.7 Large Diameter Snow Samplers -- 3.1.8 Vibratory Drill -- 3.2Penetrative Testing -- 3.2.1 Ski Pole Penetrometer -- 3.2.2 Ram Penetrometer -- 3.2.3 Snow Resistograph -- 3.2.4 Digital Thermo-Resistograph -- 3.2.5 Snow Micro-Penetrometer -- 3.2.6 SABRE Probe -- 3.2.7 Cone Penetrometer Testing -- 3.3Summary -- References -- 4 Hand- and Power-Driven Portable Drills -- 4.1Noncoring Augers -- 4.1.1 SFFEL Noncoring Auger -- 4.1.2 SIPRE/CRREL Ice Thickness Kit -- 4.1.3 Kovacs Ice Thickness Kit -- 4.1.4 AARI Portable Sled-Mounted Drilling Rig -- 4.1.5 Handheld Coal-Boring Augers -- 4.1.6 Ice Augers for Winter Fishing -- 4.2Noncoring "Piston" Drills -- 4.3Core Augers -- 4.3.1 General Principles -- 4.3.2 SFFEL Auger -- 4.3.3 SIPRE Auger -- 4.3.4 CRREL Auger -- 4.3.5 Rand Auger -- 4.3.6 Big John 12″ Auger -- 4.3.7 PICO Lightweight Auger -- 4.3.8 Kovacs Auger -- 4.3.9 IGAS Hand Auger -- 4.3.10 Swiss Hand Auger -- 4.3.11 UCPH Hand Auger -- 4.3.12 "Prairie Dog" Auger -- 4.3.13 "Sidewinder" -- 4.3.14 IDDO Hand Auger -- 4.4Core Drills with Teeth and Annular Bits -- 4.4.1 Taku Glacier Hand Drill -- 4.4.2 Canadian Portable Ice Drill -- 4.4.3 Tsykin's Hand Drill -- 4.4.4 5th CAE Drill -- 4.4.5 Ice Core Drill with Annular Bit PI-8 -- 4.5Mini Drills -- 4.5.1 Livingston Island Mini Drill -- 4.5.2 Chipmunk Drill -- 4.6Summary -- References. , 5 Percussion Drills -- 5.1Cable-Tool Drill Rigs -- 5.1.1 IGAS Cable-Tool Rig -- 5.1.2 Cable-Tool of California Institute of Technology -- 5.1.3 Star Iron Works Cable-Tool -- 5.2Pneumatic Drills -- 5.3Rotary-Percussion Drills -- 5.4Summary -- References -- 6 Conventional Machine-Driven Rotary Drill Rigs -- 6.1Dry Drilling -- 6.1.1 Expéditions Polaires Françaises in Greenland -- 6.1.2 Baffin Island Expedition -- 6.1.3 Norwegian-British-Swedish Antarctic Expedition -- 6.1.4 Mirny Station, Antarctica -- 6.2Auger Drilling -- 6.2.1 Mirny Station, Antarctica -- 6.2.2 McMurdo Station, Antarctica -- 6.2.3 Amundsen-Scott Station, South Pole -- 6.2.4 Subglacial Lake Ellsworth Camp -- 6.3Commercial Drill Rigs for Ice Fishing -- 6.4Air Rotary Drilling -- 6.4.1 Mirny, Antarctica -- 6.4.2 Site 2, Greenland -- 6.4.3 Byrd Station, Antarctica -- 6.4.4 Little America V, Antarctica -- 6.4.5 Franz Josef Land, Russian Arctic -- 6.4.6 Base Roi Baudouin, Antarctica -- 6.5Rotary Drilling with Fluid Circulation -- 6.5.1 Taku Glacier, Alaska -- 6.5.2 Mer de Glace, French Alps -- 6.5.3 South Leduc Glacier, British Columbia -- 6.5.4 McMurdo Station, Antarctica -- 6.6Wire-Line Drills -- 6.6.1 International Antarctic Glaciological Project, East Antarctica -- 6.6.2 Ross Ice Shelf Project -- 6.6.3 Base Druzhnaya, Antarctica -- 6.6.4 Black Rapids Glacier, Alaska -- 6.6.5 Isua Greenstone Belt, Southwestern Greenland -- 6.6.6 Foremore Glacier, British Columbia, Western Canada -- 6.6.7 Rapid Access Ice Drill (RAID) -- 6.6.8 Agile Sub-ice Geological (ASIG) Drill -- 6.7Drilling in Rock Glaciers -- 6.7.1 Overview of Projects Using Conventional Drilling Equipment -- 6.7.2 Koci Drill -- 6.8Summary -- References -- 7 Flexible Drill-Stem Drill Rigs -- 7.1Rapid Shallow Drill Rigs -- 7.2Rapid-Access Drill Rigs -- 7.2.1 Thermomechanical Drill -- 7.2.2 Coiled-Tubing Drill Rigs. , 7.2.3 RADIX -- 7.2.4 SUBGLACIOR Drilling Probe -- 7.3Summary -- References -- 8 Cable-Suspended Electromechanical Auger Drills -- 8.1Basic Principles -- 8.2University of Iceland (UI) Drill -- 8.3University of Bern (UB) Drills -- 8.3.1 Rufli Drill -- 8.3.2 Further Improved UB Drills -- 8.4CRREL Drill -- 8.5Institute of Low Temperature Science (ILTS) Drills -- 8.5.1 First Prototypes -- 8.5.2 ID-140 Drill -- 8.5.3 ILTS-140 Drill -- 8.5.4 MID-140 Drill -- 8.5.5 Portable ILTS-130 and -100 Drills -- 8.5.6 ILTS-130E(F) and ILTS-150 Drills -- 8.5.7 New Portable ILTS Drill -- 8.6University of Copenhagen (UCPH) Drill -- 8.7Laboratoire de Glaciologie et Géophysique de l'Environnement (LGGE) Drills -- 8.8National Hydrology Research Institute (NHRI) Drill -- 8.9Polar Ice Coring Office (PICO) 4″ Drill -- 8.10Alfred-Wegener Institute (AWI) Drills -- 8.11Australian National Antarctic Research Expedition (ANARE) Drill -- 8.12BZXJ Drills -- 8.13Geo Tecs Drills -- 8.13.1 Geo Tecs Prototype Shallow Drill -- 8.13.2 Further Improvements -- 8.13.3 Field Testing and Operations -- 8.14Hilda/Simon/Eclipse Drills -- 8.14.1 Hilda/Simon Drills -- 8.14.2 Eclipse Drill -- 8.14.3 Field Testing and Coring -- 8.14.4 Badger-Eclipse Drill -- 8.15Byrd Polar Research Center (BPRC) Drills -- 8.16British Antarctic Survey (BAS) Drills -- 8.16.1 BAS/IMAU Drill -- 8.16.2 Rapid-Access Isotope Drill -- 8.17FELICS Drills -- 8.17.1 3″ Drill -- 8.17.2 "Backpack Drill" -- 8.18Blue Ice Drill (BID) -- 8.18.1 BID General Fescription -- 8.18.2 Operation and Performance -- 8.18.3 BID-Deep System -- 8.19Summary -- References -- 9 Cable-Suspended Electromechanical Drills with Bottom-Hole Circulation -- 9.1CRREL Electromechanical Drill -- 9.1.1 Drilling Equipment -- 9.1.2 Camp Century, Greenland -- 9.1.3 Byrd Station, Antarctica -- 9.2ISTUK Drill -- 9.2.1 Drill System. , 9.2.2 Dye 3, Greenland (GISP) -- 9.2.3 Summit, Greenland (GRIP) -- 9.2.4 Law Dome, Antarctica -- 9.3LGGE Electromechanical Drills -- 9.4PICO-5.2″ Electromechanical Drill -- 9.4.1 Drill System -- 9.4.2 Summit, Greenland (GISP2) -- 9.4.3 Taylor Dome, Antarctica -- 9.4.4 Siple Dome, Antarctica -- 9.5KEMS Electromechanical Drill -- 9.5.1 Drill System -- 9.5.2 Severnaya Zemlya, Russian Arctic -- 9.5.3 Vostok Station, Antarctica -- 9.6JARE Electromechanical Drill -- 9.6.1 Drill System -- 9.6.2 Preliminary Tests -- 9.6.3 First Deep Ice Coring Project at Dome F, Antarctica -- 9.6.4 Second Deep Ice Coring Project at Dome F, Antarctica -- 9.6.5 Kunlun Station (Dome A), Antarctica -- 9.7Hans Tausen (HT) Electromechanical Drill and Its Modifications -- 9.7.1 Basic Drill System -- 9.7.2 Hans Tausen Ice Cap, Greenland -- 9.7.3 NorthGRIP, Greenland -- 9.7.4 EPICA Dome C, Antarctica -- 9.7.5 EPICA-DML, Kohnen Station, Antarctica -- 9.7.6 Berkner Island, Antarctica -- 9.7.7 Talos Dome, Antarctica (TALDICE) -- 9.7.8 Flade Isblink Ice Cap, Greenland -- 9.7.9 NEEM Deep Ice Core Drilling, Greenland -- 9.7.10 James Ross Island, Antarctica -- 9.7.11 Fletcher Promontory, Antarctica -- 9.7.12 Roosevelt Island, Antarctica -- 9.7.13 NEEM, Greenland (UCPH Intermediate-Depth Ice Core Drilling System) -- 9.7.14 Aurora Basin North, Antarctica -- 9.7.15 Renland Ice Cap, Greenland -- 9.7.16 Summit, Greenland (IDDO Intermediate-Depth Drill) -- 9.7.17 South Pole, Antarctica (SPICE) -- 9.8IDRA Drill -- 9.9DISC Electromechanical Drill -- 9.9.1 Drill System -- 9.9.2 Field Testing at Summit, Greenland -- 9.9.3 WAIS Divide, Antarctica -- 9.9.4 Replicate Coring, WAIS Divide, Antarctica -- 9.10IBED Drill -- 9.11Summary -- References -- 10 Drilling Challenges and Perspectives for Future Development -- 10.1Low-Temperature Drilling Fluids -- 10.1.1 Drilling Fluid Compositions. , 10.1.2 ESTISOL™ 240/COASOL™ Drilling Fluid -- 10.1.3 ESTISOL™ 140 Drilling Fluid -- 10.1.4 Low-Molecular Weight Dimethyl Siloxane Oils -- 10.1.5 Low-Molecular Weight Esters -- 10.1.6 Kerosene-Based Drilling Fluids Mixed with Fourth-Generation Foam-Expansion Agents -- 10.2Ice Drilling Under Complicated Conditions -- 10.2.1 Permeable Snow-Firn -- 10.2.2 Brittle Ice Zone -- 10.2.3 Warm Ice -- 10.2.4 Debris-Containing Ice -- 10.2.5 Bedrock -- 10.2.6 Elimination of Sticking Drills -- 10.3Advanced Drilling Systems -- 10.3.1 Rapid-Access Ice Drilling Systems for Subglacial Bedrock Drilling -- 10.3.2 Sidewall Drilling -- 10.3.3 Automated Drilling Systems -- References -- Appendix ARecords of Mechanical Drilling in Ice -- Appendix BAbbreviations of Institutes, Organizations,and Projects.
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  • 6
    Publication Date: 2019-08-21
    Description: During field seasons 2016/17 and 2017/18, pre-site seismic surveys were undertaken in the Ekströmisen region of Dronning Maud Land, with the primary goal of building a stratigraphic age framework of sub-ice-shelf sedimentary strata. These sediments cover the Explora Wedge, a syn- or post-rift volcanic deposit. Expected ages range from Late Mesozoic to Quaternary. From new vibroseismic profiles, we selected sites for seafloor sampling with short cores through Hot Water Drill (HWD) holes of the oldest and of the youngest sedimentary sequencesto confine their age time span. There is further potential for drilling deeper sediment cores with the support of international partners. Deep drilling should recover the sediments overlying the Explora Escarpment, in order to discover the context and nature of the Explora Wedge. We expect the overlying sedimentary sequences to reveal the history of polar amplification and climate changes in this part of Antarctica, the build-up of the East AntarcticIce Sheet during past warmer climates and its Cenozoic and future variability. We successfully sampled the sea floor with different tools through HWD holes at two sites selected from the reflection seismic data close to the German Neumayer Station III, and discovered a pebbly sea floor coated with bryozoan skeletons. Present HWD holes penetrating the ice shelf to sample the sea floor will provide the unique opportunity for further piggy back experiments consisting of multi-disciplinary nature. For example, experiments and deploying measuring setup for oceanography, sea and ice shelf physics, geophysics, geology, hydrography, biogeochemistry could be potential future actions in order to characterise the ocean-ice-sediment interactions, processes and ecosystem observations. For season 2018/19 – besides additional geological sampling – it is planned to deploy a multiyear oceanographic mooring beneath the ice shelf. During future campaigns, we will try to launch an Autonomous Underwater Vehicle (AUV) either through a HWD hole, from a ship, or from the fast ice with the necessary power to operate and measure within the sub-ice shelf cavity.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
    Format: application/pdf
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  • 7
    Publication Date: 2019-08-21
    Description: Knowledge of sub-ice shelf sedimentary sequences, ice-ocean interactions, and biological activities is still relatively sparse, largely due to the challenges involved in accessing ice shelf cavities. The Sub-EIS-Obs project, funded by the Alfred-Wegener-Institute (AWI) and the Federal Institute for Geosciences and Natural Resources (BGR) in Germany, is a multidisciplinary study, which aims to recover and characterize sediment sequences beneath the Ekström Ice Shelf (EIS) in East Antarctica. The project addresses several research objectives, such as the crustal evolution during the breakup of Gondwana, the build-up and variability of the East Antarctic Ice Sheet (EAIS) throughout the Cenozoic, reconstruction of grounding-line dynamics, sedimentary and erosional processes beneath the ice stream and shelf, and multidisciplinary observations of climate induced changes in ice-ocean interactions. A pre-site seismic survey campaign was carried out on the Ekström Ice Shelf in 2016/2017 and 2017/2018, resulting in 615 km of multi-fold seismic data. Based on these data, four different units were defined, which, according to preliminary interpretation, document geologic history of the breakup of Gondwana in the Jurassic (Explora-Wedge volcanic deposits) and ongoing marine and glacio-marine sedimentation during the Meso- and Cenozoic. On top of all strata a glacio-marine surface cover deposited during the Last Glacial Maximum and Holocene sedimentation is indicated in the seismic profiles. In order to sample all units separately, coring locations were selected accordingly. A hot water drilling system was used to drill holes through the shelf ice (ice thicknessesrange between∼210 and 330 m), enabling the deployment of a gravity corer, a Wippermann Grabber, a vibro-and a hammer coring system manufactured by Jilin University (Changchun, China), and a UWITEC percussioncorer (BAS corer). Moreover, a camera installed in a pressure housing enabled recording of high-resolution videofootage of the seafloor and associated benthic ecosystems as well as the base of the ice shelf. In addition, a Conductivity-Temperature-Depth probe was attached to all coring devices in order to record the oceanographic properties of the water column. Here, we present first results from the Sub-EIS-Obs sediment sampling campaigns 2017/2018 and 2018/2019. We present an overview of the long-term project aims, sampling strategy, perfor-mance of the hot water drilling operation, and recovered geological samples, and the video footages of the seafloor.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
    Format: application/pdf
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