13 May 2018
 Saturday, 12th of May and Sunday, 13th of May 2018

Daniela and John are discussing the recent radar data from the Basler campaign.

A good weekend at EGRIP.

Saturday was rather windy; but with higher temperature than the previous 
days. Some work could be done outside. Saturday, the Basler flew two 
missions and then the crew took a break on Sunday. Saturday afternoon 
and evening were pleasant. Sune, John and J.P. shared the task of making 
dinner, and the evening continued with chatting, some music and card 
games. Sunday morning, camp woke up to nice and mild weather – hardly 
any wind and temperatures above -20 C. It was a pleasure to work out 
side. In the drill trench, drillers had finished most modifications to 
the drill site, so they mounted the borehole logger device and recorded 
temperature, diameter, inclination and azimuth in the 900 m deep 
borehole. The documentation (logging) of the brittle ice cores from last 
year is going forward and logging will be completed before new ice cores 
are drilled.

What we did Saturday and Sunday:

  1. Mounted slush pan and lid on borehole and made new railing on the extended inclined trench.
  2. Logging of the EGRIP borehole completed.
  3. German Basler flew two 3 hour missions Saturday.
  4. Logging ice cores to 823.13 m.
  5. Setting up freezer system in tent on surface. Needs to be connected.
  6. Making hotlines for snowmobiles in front of main dome.
  7. Water vapour sampling site on line.
  8. Grooming Skiway, taxiway and apron.
  9. Moving snow around mechanic’s garage.
  10. Removing snow drifts from entrances to drill trench and cook’s freezer.
  11. Mounted Doppler radar on Main dome, as weather permitted work on top of the dome.
  12. Working on Nansen sled repair in carpenter’s garage.

Weather Saturday: Fine day with drifting snow. Temp. -18 °C to -30 °C.  
Wind: 12 kt to 20 kt from SSE. Visibility: 3-5 km.

Weather Sunday:  Cloudy and semi cloudy day with intermittent snow 
showers. Temp. -10 °C to -22 °C. Wind: 4 kt  From SW to calm.  Visibility: 
5 km to 500 m during snow showers.

FL, J.P. Steffensen

A view of the modified drill trench.

Trevor and Karl Emil at the logger console during down borehole logging.

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