Difference between revisions of "K2 Met"

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Site is a member of the [[Seward Peninsula Sites]] Research Area.
 
==== June 2008 Trip ====
 
==== June 2008 Trip ====
 
* Download Data
 
* Download Data
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[http://www.uaf.edu/water/projects/near-real-time/rawdatafiles/atlas-k-met Raw Data Archive]<br>
 
[http://www.uaf.edu/water/projects/near-real-time/rawdatafiles/atlas-k-met Raw Data Archive]<br>
 
[http://www.uaf.edu/water/projects/atlas/council/c1/c1.html Processed Data Archive]<br>
 
[http://www.uaf.edu/water/projects/atlas/council/c1/c1.html Processed Data Archive]<br>
 +
 +
'''Here is the start of a list of all data files related to the K2 station (primarily focusing on the older data sets at the moment):'''
 +
 +
      K2 Met Data File          File Start Date -  File Stop Date  Arrays Present
 +
      050599K2.DAT              1999,97,1700    -  1999,125,1700  128,111
 +
      051099K2.DAT              1999,97,1700    -  1999,130,1100  128,129
 +
      051899K2.DAT              1999,97,1700    -  1999,138,1600  129
 +
      052299K2.DAT              1999,97,1700    -  1999,142,1300  129
 +
      052499K2.DAT              1999,97,1700    -  1999,144,1400  128,129
 +
      K2072199.DAT              1999,97,1700    -  1999,202,1200  128.129,130
 +
      K2.DAT                    1999,202,1500  -  1999,203,2300  129,226,230
 +
      K20CT99.DAT                1999,202,1500  -  1999,278,1200  129,226,230
 +
      K2JAN00.DAT                1999,279,1100  -  2000,28,1300    129,263
 +
      K2MAY00.DAT                2000,28,1400    -  2000,126,1800  129,263
 +
      K2JUN00.DAT                2000,126,1900  -  2000,154,1700  129,267,270
 +
      K2JULY2000.DAT            2000,126,1900  -  2000,206,1300  129,267,270,263
 +
      K10M2801.DAT              2000,168,100    -  2000,302,1100  129,263
 +
      K210M001.DAT              2000,302,1200  -  2001,30,1800    129.263
 +
      K20401.DAT                2001,8,100      -  2001,95,900    129,263
 +
      K1001.DAT                  2001,95,1100    -  2001,122,1600  129,263
 +
      K10--2001-06-03.DAT        2001,95,1100    -  2001,154,1400  129,263
 +
      K10--2001-07-13.DAT        2001,154,1500  -  2001,194,1000  129,263
 +
      K10M--2001-08-21.DAT      2001,95,1100    -  2001,232,2200  129,130,263
 +
      K10M--2001-10-11.DAT      2001,95,1100    -  2001,283,1900  129,130,263
 +
      K10MOCT01.DAT              2001,95,1100    -  2001,283,1900  129,130,263
 +
      KOU10M.DAT                2001,95,1100    -  2001,165,900    129,263
 +
      K10MJAN02-2002-02-03.DAT  2001,95,1200    -  2002,22,1600    129,130,263
 +
      K10M-2002-04-19.DAT        2001,95,1200    -  2002,22,1600    129,130,263
 +
      K10STO01.DAT              2001,347,2000  -  2002,22,1600    130,263  (PLUS REPEATED DATA FROM 2001)
 +
      K10STO02.DAT              JUST:              2002,34,2100    130,263
 +
      K10MSPRING2002.DAT        2002,35,1400    -  2002,132,1300  130,263
 +
      K10MJAN02--2002-08-29.DAT  2001,95,1200    -  2002,22,1500    129,130,263
 +
      K-MET_FEB_2003.DAT        2002,167,1000  -  2003,58,1600    130,127,263
 +
      K10M--2003-10-30.DAT      2003,251,1200  -  2003,282,1700  128,241
 +
      K2_2005-06-03a1.dat        2002,285,1800  -  2005,154,1800  127,128,229,241
 +
      K2_2005-07-27a1.dat        2005,154,1900  -  2005,208,1500  128,241
 +
      SHAND RECORD              2002,167,1000  -  PRESENT
  
 
==== Sensors Installed at this Station ====
 
==== Sensors Installed at this Station ====
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[[Image:K2-snow.gif|400px]]<br>
 
[[Image:K2-snow.gif|400px]]<br>
 
Although I wonder what the deal is with the drift (hysteresis) and what might have caused that midwinter spike.
 
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 to see if 30 cm bgs Soil Moisture has become disconnected (loose wire)'''
 
* Look at YSI thermistors again
 
* Look at YSI thermistors again
  
 
=== Site To Do List ===
 
=== 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 to see if 30 cm bgs Soil Moisture has become disconnected (loose wire)
−
* Look at YSI thermistors again
+
* Look at YSI thermistors again: buried at 70 cm bgs YSI model 44034
 +
* Replace 1m, 3m, 10m AT/RH sensors in 2009... 1m RH infrequently over-ranges (3/2009 note)
 +
* Bring all all radiometers back out in 2009.  Bring new mounting hardware, too.
  
 
=== Site Log / Visits ===
 
=== Site Log / Visits ===
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2006: June, July, and October<br>
 
2006: June, July, and October<br>
 
2007: June, July, and September<br>
 
2007: June, July, and September<br>
 +
Net Radiometer Q99017
 +
Installed: 6/11/2007
 +
Removed: 9/15/2007
 +
Positive Coefficient: 9.10 W/m^2/mV, Negative Coefficient: 10.94 W/m^2/mV
 +
 +
Judd Snow Depth Sensor installed at 1.45m above ground 9/15/2007 S/N 02897
 
2008:
 
2008:
 +
June--
 
  Freewave Radio DGR115W (waterproof model) 906-6044
 
  Freewave Radio DGR115W (waterproof model) 906-6044
 
  CR10X 17208
 
  CR10X 17208
 
  HMP45C 1m V0550051
 
  HMP45C 1m V0550051
 
  HMP45C 3m X3410040
 
  HMP45C 3m X3410040
 +
Precip: PR-525M S/N 23353-1298
 +
1m WS: Met One 014A  S/N D1217
 
  Up SW    PSP 32563F3
 
  Up SW    PSP 32563F3
 
  Coefficient: 8.25e-6 V/(W/m^2)
 
  Coefficient: 8.25e-6 V/(W/m^2)
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  Net Radiometer Q97255 Installed 6/14/2008
 
  Net Radiometer Q97255 Installed 6/14/2008
 
  Positive Coefficient: 9.67 W/m^2/mV, Negative Coefficient: 11.92 W/m^2/mV
 
  Positive Coefficient: 9.67 W/m^2/mV, Negative Coefficient: 11.92 W/m^2/mV
 +
 +
August 2008:
 +
8/27/08
 +
All Radiometers Removed for Recalibration
 +
Thaw Depths (average = 50.95 cm):
 +
62 62 65 62 47 67 56 46 41 48
 +
45 56 62 35 40 42 46 51 40 46

Latest revision as of 12:04, 16 March 2009

Site is a member of the Seward Peninsula Sites Research Area.

June 2008 Trip

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

Site Data

Current Data Headers
Raw Data Archive
Processed Data Archive

Here is the start of a list of all data files related to the K2 station (primarily focusing on the older data sets at the moment): 

     K2 Met Data File           File Start Date -  File Stop Date  Arrays Present
     050599K2.DAT               1999,97,1700    -  1999,125,1700   128,111
     051099K2.DAT               1999,97,1700    -  1999,130,1100   128,129
     051899K2.DAT               1999,97,1700    -  1999,138,1600   129
     052299K2.DAT               1999,97,1700    -  1999,142,1300   129
     052499K2.DAT               1999,97,1700    -  1999,144,1400   128,129
     K2072199.DAT               1999,97,1700    -  1999,202,1200   128.129,130
     K2.DAT                     1999,202,1500   -  1999,203,2300   129,226,230
     K20CT99.DAT                1999,202,1500   -  1999,278,1200   129,226,230
     K2JAN00.DAT                1999,279,1100   -  2000,28,1300    129,263
     K2MAY00.DAT                2000,28,1400    -  2000,126,1800   129,263
     K2JUN00.DAT                2000,126,1900   -  2000,154,1700   129,267,270
     K2JULY2000.DAT             2000,126,1900   -  2000,206,1300   129,267,270,263
     K10M2801.DAT               2000,168,100    -  2000,302,1100   129,263
     K210M001.DAT               2000,302,1200   -  2001,30,1800    129.263
     K20401.DAT                 2001,8,100      -  2001,95,900     129,263
     K1001.DAT                  2001,95,1100    -  2001,122,1600   129,263
     K10--2001-06-03.DAT        2001,95,1100    -  2001,154,1400   129,263
     K10--2001-07-13.DAT        2001,154,1500   -  2001,194,1000   129,263
     K10M--2001-08-21.DAT       2001,95,1100    -  2001,232,2200   129,130,263
     K10M--2001-10-11.DAT       2001,95,1100    -  2001,283,1900   129,130,263
     K10MOCT01.DAT              2001,95,1100    -  2001,283,1900   129,130,263
     KOU10M.DAT                 2001,95,1100    -  2001,165,900    129,263
     K10MJAN02-2002-02-03.DAT   2001,95,1200    -  2002,22,1600    129,130,263
     K10M-2002-04-19.DAT        2001,95,1200    -  2002,22,1600    129,130,263
     K10STO01.DAT               2001,347,2000   -  2002,22,1600    130,263   (PLUS REPEATED DATA FROM 2001)
     K10STO02.DAT               JUST:              2002,34,2100    130,263
     K10MSPRING2002.DAT         2002,35,1400    -  2002,132,1300   130,263
     K10MJAN02--2002-08-29.DAT  2001,95,1200    -  2002,22,1500    129,130,263
     K-MET_FEB_2003.DAT         2002,167,1000   -  2003,58,1600    130,127,263
     K10M--2003-10-30.DAT       2003,251,1200   -  2003,282,1700   128,241
     K2_2005-06-03a1.dat        2002,285,1800   -  2005,154,1800   127,128,229,241
     K2_2005-07-27a1.dat        2005,154,1900   -  2005,208,1500   128,241
     SHAND RECORD               2002,167,1000   -  PRESENT

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 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... 1m RH infrequently over-ranges (3/2009 note)
  • 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

Net Radiometer Q99017 
Installed: 6/11/2007
Removed: 9/15/2007
Positive Coefficient: 9.10 W/m^2/mV, Negative Coefficient: 10.94 W/m^2/mV

Judd Snow Depth Sensor installed at 1.45m above ground 9/15/2007 S/N 02897

2008: June-- 

Freewave Radio DGR115W (waterproof model) 906-6044
CR10X 17208
HMP45C 1m V0550051
HMP45C 3m X3410040
Precip: PR-525M S/N 23353-1298
1m WS: Met One 014A  S/N D1217
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

August 2008: 8/27/08 All Radiometers Removed for Recalibration Thaw Depths (average = 50.95 cm): 

62 62 65 62 47 67 56 46 41 48 
45 56 62 35 40 42 46 51 40 46
Retrieved from "http://ocotal.iarc.uaf.edu/index.php?title=K2_Met&oldid=708"