Aurora Research Institute

Resources Menu

Search Library

We have joined with the NWT Public Library Services and the NWT Legislative Library to bring you access to all of our library collections through a single system. You can access this by clicking on the link below which will open in a new window.

NWT Library Network

Tip: At the search screen select Research Libraries, Aurora Research Institute to search our specific collection. The default is "All Libraries".

Newsletter

Subscribe to our newsletter:

Resources header graphic

Illisarvik Gallery

  1. Arial view of the drainage of Illisarvik, 13 August 1978. The lake drained in about eight hours after a trench was deepened along ice wedges to initiate flow.
    Ilisarvik A
    M.M. Burgess
  2. The Illisarvik end of the drainage ditch on 13 August 1978. Note the ice wedge exposed in the drainage channel.
    Illisarvik B
    M.M. Burgess
  3. Waterfall at the outlet during drainage of Illisarvik, 13 August 1978.
    Illisarvik C
    M.M. Burgess
  4. The ice mound of the south residual pond in April 1995. The mound is formed from water expelled into the pond by aggrading permafrost in the lake bottom.
    Illisarvik D
    C.R. Burn
  5. A fence crackmeter installed at Illisarvik to monitor ground movement. The relative separation of aluminum posts drilled into the ground is measured on a horizontal rod between the posts.
    Illisarvik E
    C.R. Burn
  6. An aerial photograph of Illisarvik taken in 1986, looking northwards. The growth of the vegetation during eight summers since drainage is apparent.
    Illisarvik F
    J.R. Mackay
  7. Helicopters are usually used to transport personnel to Illisarvik, but snowmobiles may be used in winter. Much helicopter support has been provided by the Polar Continental Shelf Project, Natural Resources Canada.
    Illisarvik G
    C.R. Burn
  8. Aerial view of Illisarvik in August 1999, looking northeast. The residual pond was substantially larger in summer 1999 than earlier in the 1990s.
    Illisarvik H
    C.R. Burn
  9. An ice-wedge crack at Illisarvik and hoop crackmeter above it designed to measure movement of the active layer across the crack. For scale the trowel is 22 cm long.
    Illisarvik I
    C.R. Burn
  10. An ice wedge trough that was initiated at Illisarvik after the 1979-80 winter, when cracking began on this site. Hoop crackmeters are spaced along the crack to measure separation of the active layer at various points along the crack.
    Illisarvik J
    C.R. Burn