Snow Survey Procedure - Revision history

imported>Ken at 18:23, 3 July 2007

2007-07-03T18:23:46Z

imported>Ken at 18:22, 3 July 2007

2007-07-03T18:22:25Z

216.67.49.27 at 17:59, 3 July 2007

2007-07-03T17:59:03Z

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WERC performs snow surveys once per year at perhaps 100 or so sites
on the North Slope, aiming to capture the end-of-winter snowpack and
snow-water equivalent (''SWE''). Some of these sites are then surveyed
daily until the snow is gone.

@@ Line 13: / Line 13: @@
 WGS84 datum).
-. "''Randomly'' select a starting point and direction for the depth
+. ''Randomly'' select a starting point and direction for the depth
-measurements; using a graduated probe (or MagnaProbe), take 25 measurements
+measurements. Using a graduated probe (or MagnaProbe), take 25 measurements
 at (approximately) 1 meter intervals, then turn 90 degrees and take the
 remaining 25 measurements.  The intention is to sample the snowpack without
 bias by avoiding or selecting drifts or bare patches.
-Identifying the actual base of the snow pack is not simple or trivial, especially
+Identifying the actual base of the snow pack is not simple or trivial, especially on tussock tundra, common at many sites.
 .  Snow samples are taken using the Adirondak (TM) sampler.  On suitable ground, the WERC technique is to drive the core tube into the tundra, then

@@ Line 1: / Line 1: @@
 WERC performs snow surveys once per year at perhaps 100 or so sites
 on the North Slope, aiming to capture the end-of-winter snowpack and
 snow-water equivalent (''SWE'').   Some of these sites are then surveyed
 daily until the snow is gone.