Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Holme, P.
1962
16 June Barrow, Alaska
Sample #2
Pond-A. - No ice as now - ponds are now separated
~ half (1+4). Pond-A is ~30' in diameter.
12.8°C, pfr = 3". Level - ?
Pond-B - 90% bottom covered by ice - water on top -
pfr = 1½" - Temp = 4.0°C
Pond-C - 50% covered by ice - with water at top
Temp = 7.2°C pfr = 2" - level at 6.0
Pond-D - 50% covered by ice - under water
Temp = 9.8°C ; level at 7.0 pfr = 2.5"
Pond E - 70% cutsnow - mostly underwater - but
30% 1Mm at surface. Temp 6.0°C ; level at 8.0
pfr = 1.0"
Panel F - No ice. Level at 4.0 - 12.9°C , 3" pfr.
#1 is now 2' from water edge
Pond J - 5% with ice - mostly underwater -
pfr = 3.0" ; level at 4.8 ; temp 12.7°C
Pond G - 10.2°C - pfr=2" - 50' diam. - 50% ice - underwater
Pond H - 7.5°C - pfr 2" - 30% ice - underwater
Pond I - 10.6°C pfr-2" - no ice