Borehole temperature record sheet

DRAFT BOREHOLE LOG SHEET GRAVEL, poorly graded, grey, dry Samples Tests Remarks Additional Observations Method 1 of 2 Water CI CI CI CI SANDY SILTY CLAY, medium plasticity, dark brown, poorly graded sand, trace We present temperature data from a 300 m borehole at the West Antarctic Ice Sheet (WAIS) Divide. Results show that WAIS Divide was colder than the last 1000‐year average from 1300 to 1800 C.E. The temperature in the time period 1400–1800 C.E. was on average 0.52 ± 0.28°C colder than the last 100‐year average.
Should the product NOT meet temperature requirements – note below what corrective action was taken. (e.g. temperature turned up on pie warmer, refrigeration unit checked by manufacturer, products thrown away etc) Date Corrective Action Taken Signed 17/03/09 4:39 PM Admin/Borehole Log Explanation Form BOREHOLE LOG EXPLANATION FORM This explanatory section provides the background to assist in the use of the borehole logs. Each of the headings used on the borehole log, is briefly explained. DEPTH This column gives the depth of interpreted geologic contacts in metres below ground surface.

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1.Borehole drilled to 14.0m, no further progress because of collapse in wet strata. 2.Groundwater encountered at 13.8m, rising to 8.5m depth after 20 minutes. 3.Gas and groundwater monitoring well installed as shown.
8.4 Borehole Temperature Corrections The actual temperature measured is that of the drilling fluid not the formation. The drilling mud is circulated during drilling and prior to inserting the wireline tool, and this drilling mud is cold compared to the formation. The cold drilling fluid invades the formation and cools it down very max/min heat pump inlet temperature heat pump outlet temperature average fluid temperature in the borehole center-to-center distance between pipes effective borehole thermal resistance f6h f1m f10y a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 Coefficients for f6h, f1m, f10y functions Coefficients for Tp correlation Tp function's coefficients b0 b1 b2 b3 b4 b5 ...

Order Number: 49432360_1_1 Date: 24-Sep-2013 rpr_ec_datasheet v47.0 A Landmark Information Group Service Page 1 of 9 BGS Boreholes Detail By contrast, surface temperature records from meteorological stations offer a global perspective only for the past century. In the context of the current discussion over global warming and its likely causes, the time inter­ val represented in the borehole record is of particular significance. The strong correla-
Paleoclimatology data are derived from natural sources such as tree rings, ice cores, corals, and ocean and lake sediments. These proxy climate data extend the archive of weather and climate information hundreds to millions of years. The data include geophysical or biological measurement time series ... Greenland Ice Sheet Today is produced at the National Snow and Ice Data Center by Ted Scambos, Julienne Stroeve, and Lora Koenig with support from NASA. NSIDC thanks Jason Box, Xavier Fettweis, Chris Shuman, and Thomas Mote for data and collaboration.

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On 1 July 1993, after five years of drilling, the Greenland Ice Sheet Project Two (GISP2,) penetrated through the ice sheet and 1.55 meters into bedrock recovering an ice core 3053.44 meters in depth, the deepest ice core thus far recovered in the world.
Little Ice Age Cold Interval in West Antarctica: Evidence from Borehole Temperature at the West Antarctic Ice Sheet (WAIS) Divide., Geophysical Research Letters, 39: L09710, 10.1029/2012GL051260. This data set includes borehole temperature measurements performed in January 2008 and January 2009 at the West Antarctic Ice sheet divide from the ... DRAFT BOREHOLE LOG SHEET GRAVEL, poorly graded, grey, dry Samples Tests Remarks Additional Observations Method 1 of 2 Water CI CI CI CI SANDY SILTY CLAY, medium plasticity, dark brown, poorly graded sand, trace