Difference between revisions of "Dfm4"

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==Site to do list ==
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= Site to do list =
  
Measure distance from ground to snow sensor (as of May 2008)
 
  
==Site Logs ==
 
  
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=Site Logs =
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== 10 Sept 2008 8:52am ADT Emily & Joel Homan ==
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* Uneven terrain under SR50.  Distance to ground variable from 116cm-127 cm
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* Trimmed vegetation and added bark chips
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*  Measured distance under sensor - avg ~110 cm
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* Changed distance in program from 115 cm to 110 cm.
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* added electric fence
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*next trip bring spare yellow brackets to help keep wire off fenceposts.
 +
 +
== 16 Jun 2008 Emily & Ken ==
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*After reviewing data at Toolik, data shows damage to anemometer, hmp45c, and sr50
 +
*sr50 data went from 12 cm to 25 cm in one hour
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*site visit indicated an animal (most likely a bear) ripped wires out of the instrument box:
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**YSIx3
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**HMP45C
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**anememoter
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**blu/red wire from junction box
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**sr50?
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*SR50 distance (old) ~115 cm avg. 
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*replaced SR 50
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** old s/n c5011
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** new s/n c4387
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** distance to ground is the same
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*HMP45C head replaced
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** old s/n B0110061
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** new s/n C1440007
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*loose wires, rewired all sensor wires that came loose out of box
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*Also note that the trench for the cables running from the tipod to the snow sensor was dug up and buried cables/conduit is exposed.
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* the bear also pulled the ysix3 and hmp45c out of its housing and out of the bottom of the box, but they were not broken
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 +
== May 2008 ==
 
Note EKY 6/6/08, Bob and Jeff visited this site in may 08 and fixed the antennae.  Site is now transmitting data.
 
Note EKY 6/6/08, Bob and Jeff visited this site in may 08 and fixed the antennae.  Site is now transmitting data.

Latest revision as of 12:53, 17 September 2008

Site to do list

Site Logs

10 Sept 2008 8:52am ADT Emily & Joel Homan

  • Uneven terrain under SR50. Distance to ground variable from 116cm-127 cm
  • Trimmed vegetation and added bark chips
  • Measured distance under sensor - avg ~110 cm
  • Changed distance in program from 115 cm to 110 cm.
  • added electric fence
  • next trip bring spare yellow brackets to help keep wire off fenceposts.

16 Jun 2008 Emily & Ken

  • After reviewing data at Toolik, data shows damage to anemometer, hmp45c, and sr50
  • sr50 data went from 12 cm to 25 cm in one hour
  • site visit indicated an animal (most likely a bear) ripped wires out of the instrument box:
    • YSIx3
    • HMP45C
    • anememoter
    • blu/red wire from junction box
    • sr50?
  • SR50 distance (old) ~115 cm avg.
  • replaced SR 50
    • old s/n c5011
    • new s/n c4387
    • distance to ground is the same
  • HMP45C head replaced
    • old s/n B0110061
    • new s/n C1440007
  • loose wires, rewired all sensor wires that came loose out of box
  • Also note that the trench for the cables running from the tipod to the snow sensor was dug up and buried cables/conduit is exposed.
  • the bear also pulled the ysix3 and hmp45c out of its housing and out of the bottom of the box, but they were not broken

May 2008

Note EKY 6/6/08, Bob and Jeff visited this site in may 08 and fixed the antennae. Site is now transmitting data.