Difference between revisions of "K2 Met"

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imported>Bob
imported>Bob
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* Look at YSI thermistors again: buried at 70 cm bgs YSI model 44034
 
* Look at YSI thermistors again: buried at 70 cm bgs YSI model 44034
 
* Replace 1m, 3m, 10m AT/RH sensors in 2009
 
* Replace 1m, 3m, 10m AT/RH sensors in 2009
 +
* Bring all all radiometers back out in 2009.  Bring new mounting hardware, too.
  
 
=== Site Log / Visits ===
 
=== Site Log / Visits ===

Revision as of 14:58, 29 September 2008

June 2008 Trip

  • Download Data
  • Send new program (snow sensor)
  • add net radiometer

Site Data

Current Data Headers
Raw Data Archive
Processed Data Archive

Sensors Installed at this Station

  • 1m HMP45C Air Temperature / Relative Humidity
  • 3m HMP45C Air Temperature / Relative Humidity
  • 10m HMP45C Air Temperature / Relative Humidity
  • 1m Wind Speed
  • 10m Wind Speed / Wind Direction
  • Summer Precipitation
  • Net Radiation (summer only)
  • Incident Shortwave Radiation
  • Reflected Shortwave Radiation
  • Outgoing Longwave Radiation
  • Incoming Longwave Radiation
  • Judd Sonic snow depth sensor (Added 9/2007)
  • Soil Moisture, CS615 @
    • 5cmbgs
    • 10 cmbgs
    • 15 cmbgs
    • 20 cmbgs
    • 30 cmbgs
  • Soil Temperature, Alpha Thermsistors @
    • 5 cmbgs
    • 10 cmbgs
    • 15cmbgs
    • 20 cmbgs
    • 30 cmbgs
    • 50 cmbgs
    • 75 cmbgs
    • 100 cmbgs
  • Soil Temperature, YSI Thermistors @
    • 100 cmbgs
    • 100 cmbgs

Problem Sensors (as of June 2008)

  • Meteorological Sensors look great
  • Radiation Sensors look great
  • Judd snow sensor looks good, too:

400px
Although I wonder what the deal is with the drift (hysteresis) and what might have caused that midwinter spike.

  • Look to see if 30 cm bgs Soil Moisture has become disconnected (loose wire)
  • Look at YSI thermistors again

Site To Do List

  • Look for 6 hr gap of data 2007 day 162 600 to 1200 (probably an rsync gap)
  • Another data gap 2007 day 255 600 to day 258 1900 (possibly a combo data gap: rsync plus program change)
  • Look to see if 30 cm bgs Soil Moisture has become disconnected (loose wire)
  • Look at YSI thermistors again: buried at 70 cm bgs YSI model 44034
  • Replace 1m, 3m, 10m AT/RH sensors in 2009
  • Bring all all radiometers back out in 2009. Bring new mounting hardware, too.

Site Log / Visits

2005: June & the memory gets a bit hazy..
2006: June, July, and October
2007: June, July, and September
2008:

Freewave Radio DGR115W (waterproof model) 906-6044
CR10X 17208
HMP45C 1m V0550051
HMP45C 3m X3410040
Up SW     PSP 32563F3
Coefficient: 8.25e-6 V/(W/m^2)
Down SW   PSP 32570F3
Coefficient: 8.25e-6 V/(W/m^2)
Up LW     PIR 32546F3
Coefficient: 3.75e-6 V/(W/m^2)
Down SW   PIR 32545F3
Coefficient: 3.90e-6 V/(W/m^2)
Net Radiometer Q97255 Installed 6/14/2008
Positive Coefficient: 9.67 W/m^2/mV, Negative Coefficient: 11.92 W/m^2/mV