C1 Grid

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

Wiring

SE1 -- Mux COM Therms
SE2 -- RM Young 05103 Wind Direction Signal
SE3 -- Vdiv HI (MRC +)
SE4 -- Vdiv LO (MRC -)
SE5 -- HMP45C 1m AT Signal
SE6 -- HMP45C 3m AT Signal
SE7 -- HMP45C 1m RH Signal
SE8 -- HMP45C 3m RH Signal
SE9 -- Rebs Net Radiation +
SE10-- Rebs Net Radiation -
SE11-- Mux COM SM Odd
SE12-- Mux COM SM Even
E1 -- Precision Resistor to SE1
E2 --
E3 -- RM Young 05103 Wind Direction Excitation
P1 -- Precipitation Signal
P2 -- RM Young 05103 Wind Speed Signal
C1 -- HMP45C Control
C2 -- Radio Control
C3 -- MRC RES
C4 -- Mux COM (SM CTRL)
C5 -- SR50A 
C6 -- MRC CLK
C7 -- Mux RES
C8 -- Mux CLK

June 2008 Trip

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

Problem Sensors (as of November 2007)

• Snow looks decent as of November 27 2007
• Soil Moistures look decent
• Soil Temperatures look okay (what exist)
• Meteorological look decent, too.

Site Data

Current Data Headers
Raw Data Archive
Processed Data Archive

Here's a list of data files found from before the radio record on Shand begins:

     C1 Grid Data
     C1OCT99.DAT     1999,209,1600   -   1999,275,1700    112,220
     C1JAN00.DAT     1999,275,1800   -   2000,29,1500     112,220
     C1JULY2000.DAT  2000	29	1700  -   2000	208	1500   112,228
     COUN3001.DAT    2000,220,2300   -   2000,268,1800    112,228
     COUN3002.DAT    2000,268,1900   -   2000,269,1000    112,228
     COUN3003.DAT    2000,269,1100   -   2000,301,1500    112,228
     COUN3004.DAT    2000,293,1600   -   2001,28,1700     112,228
     C1GRID.DAT      2000,352,1800   -   2001,99,900      112,228
     C1-GRIDRAW.DAT  2001,99,1000    -   2002,239,2100    112,114,228
     GRID777.DAT     2001,192,1500   -   2001,230,1200    112,228
     GRID0101.DAT    2001,230,1400   -   2002,31,1700     112,228
    GRDMETJULY02.DAT 2002,31,1800    -   2002,166,900     112,228
     GRDMET01.DAT    2002,31,1800    -   2002,166,900     112,228
     SHAND RECORD    2001,99,1000    -   PRESENT

Site To Do List

• upload data to missing gap in data archive (poor data communications plus a program change probably the culprit on this one)
• Replace AT/RH sensor in 2009 (1m and 3m)

Site Log / Visits

2007

C1: Sept 17, 2007 Pulled radiometer
S/N Q94129
CF + 8.40
CF - 10.29 
Found Precip bucket knocked over.

2008 From 6/13/08 Visit:

Net Radiometer Q97259 Installed 6/13/2008
Positive Coefficient: 10.03 W/m^2/mV, Negative Coefficient: 12.29 W/m^2/mV
SR50A Serial Number 1285
TE-525M Serial Number 23370-1298
1m HMP45C T5110013
3m HMP45C T5110026
RM Young Anemometer  407930
CR10X 25757 (2MB Memory, Extended Temperature Testing)
AM416 12781
SM192 17346

From 8/25/08 Visit:

Installed new snow sensor.  SR50A S/N 1439
Trimmed grass under sensor
Installed new thermistor string:  
0 cm bgs
5 cm bgs
15 cm bgs
25 cm bgs
35 cm bgs
70 cm bgs

Soil profile in thermistor string hole:
62 cm ground surface
62 cm to 44 cm  = OE
44 cm to 38 cm  = OI
38 cm and below = Silt

Active Layer in hole = 56 cm