During the 2000-2001 field season, the McMurdo LTER established a snowfence above (south) of the west lobe of Lake Bonney in western Taylor Valley. The station was set up to sample sensors every 30 seconds, except the sonic range which samples every 15 minutes, and send summary statistics (for example, averages and maximums) to solid-state storage modules every 15 minutes. This has resulted in approximately 20 values being recorded for final storage in every output interval.
Task List notes
2002-2003 Season
Author of this report: Thomas Nylen
Sampling Frequency: sonic every 60 minutes, every 30 sec for all the others
Averaging and Output Interval: every 15 min
Program Name: bsn001v1.dld
Filename bsn02031.dat
File Period: January 24, 2002 (24) @ 1500 to Nov 7, 2002 (311) @ 0430
Filename bsn02032.dat
File Period: Nov 7, 2002 (311) @ 0445 to Nov 16, 2002 (320) @ 1445
Filename bsn02033.dat
File Period: Nov 16, 2002 (320) @ 1445 to Dec 17, 2002 (351) @ 1830
Filename bsn02034.dat
File Period: Dec 17, 2002 (351) @ 1845
Filename bsn02035.dat
File Period: Dec 17, 2002 (351) @ 1845 to January 24, 2003 (24) @ 1400
1. array I.D. o1
2. day ok
3. time ok
4. mean soil P.A.R. +3.6 m (east) from snow fence (micromols/s/m2) – Q30801 divide by 200, multiply by 301.57
5. mean soil P.A.R. +1.8 m (east) from snow fence (micromols/s/m2) – Q30802 divide by 200, multiply by 319.62
6. mean Air P.A.R. @ 1.6 m (micromols/s/m2) – Q20266 divide by 200, multiply by 228.05
7. mean air temp. @ 1.5 m (C) rclow
8. mean soil temperature @ 0 cm in soil -1.9 m (west) of snow fence (C) rclow
9. mean soil temperature @ 0 cm in soil +0.9 m (east) of snow fence (C) rclow
10. mean soil temperature @ 0 cm in soil +1.8 m (east) of snow fence (C) rclow
11. mean soil temperature @ 0 cm in soil +3.6 m (east) of snow fence (C) rclow
12. sample depth from sensor to surface (cm) Measured depth (1.097) + Value) * 100
13. sample of battery voltage
For FILENAMES bsn0234 and bsn02035 the PAR multipliers differ:
4. mean soil P.A.R. +3.6 m (east) from snow fence (micromols/s/m2) divide by 200, multiply by 217.27
5. mean soil P.A.R. +1.8 m (east) from snow fence (micromols/s/m2) divide by 200, multiply by 222.23
6. mean Air P.A.R. @ 1.6 m (micromols/s/m2) divide by 200, multiply by 275.02
2003-2004 Season
Author of this report: Thomas Nylen
Sampling Frequency: sonic every 60 minutes, every 30 sec for all the others
Averaging and Output Interval: every 15 min
Program Name: bsn023v1v1.dld (Program Signature: 63043)
Filename bsn03041.dat
File Period: January 24, 2003 (24) @ 1415 to November 7, 2003 (311) @ 0345
Filename bsn03042.dat
File Period: November 7, 2003 (311) @ 0400 to November 19, 2003 (323) @ 1115
Filename bsn03043.dat
File Period: November 19, 2003 (323) @ 1130 to January 5, 2004 (5) @ 1700
Filename bsn03044.dat
File Period: January 5, 2004 (5) @ 1715 to January 24, 2004 (24) @ 1130
Filename bsn03045.dat
File Period: January 24, 2004 (24) @ 1200
1. array I.D. o1
2. day ok
3. time ok
4. mean soil P.A.R. +3.6 m (east) from snow fence (micromols/s/m2) divide by 200, multiply by 217.27
5. mean soil P.A.R. +1.8 m (east) from snow fence (micromols/s/m2) divide by 200, multiply by 222.23
6. mean Air P.A.R. @ 1.6 m (micromols/s/m2) divide by 200, multiply by 275.02
7. mean air temp. @ 1.5 m (C) rclow
8. mean soil temperature @ 0 cm in soil -1.9 m (west) of snow fence (C) rclow
9. mean soil temperature @ 0 cm in soil +0.9 m (east) of snow fence (C) rclow
10. mean soil temperature @ 0 cm in soil +1.8 m (east) of snow fence (C) rclow
11. mean soil temperature @ 0 cm in soil +3.6 m (east) of snow fence (C) rclow
12. sample depth from sensor to surface (cm) Measured depth (1.097) + Value) * 100
13. sample of battery voltage
2004-2005 Season
Author of this report: Thomas Nylen
Sampling Frequency: sonic every 60 minutes, every 30 sec for all the others Averaging and Output Interval: every 15 min
Program Name: bsn023v1v1.dld (Program Signature: 63043)
Filename: bsn04051.dat
File Period: January 24, 2004 (24) @ 1200 to November 15, 2004 (320) @ 1430
Filename: bsn04052.dat
File Period: November 15, 2004 (320) @ 1445
Filename: bsn04053.dat
File Period: November 15, 2004 (320) @ 1445 to January 24, 2005 (24) @ 1515
1. array I.D. o1
2. day ok
3. time ok
4. mean soil P.A.R. +3.6 m (east) from snow fence (micromols/s/m2) – Q30801 divide by 200, multiply by 217.27
5. mean soil P.A.R. +1.8 m (east) from snow fence (micromols/s/m2) – Q30802 divide by 200, multiply by 222.23
6. mean Air P.A.R. @ 1.6 m (micromols/s/m2) – Q20266 divide by 200, multiply by 275.02
7. mean air temp. @ 1.5 m (C) rclow
8. mean soil temperature @ 0 cm in soil -1.9 m (west) of snow fence (C) rclow
9. mean soil temperature @ 0 cm in soil +0.9 m (east) of snow fence (C) rclow
10. mean soil temperature @ 0 cm in soil +1.8 m (east) of snow fence (C) rclow
11. mean soil temperature @ 0 cm in soil +3.6 m (east) of snow fence (C) rclow
12. sample depth from sensor to surface (cm) Measured depth (1.097) + Value) * 100
13. sample of battery voltage
2005-2006 Season
Date of Establishment: January 2001 by Thomas Nylen
Author of this report: Thomas Nylen
Sampling Frequency: sonic every 60 minutes, every 30 sec for all the others
Averaging and Output Interval: every 15 min
Program Name: bsn045v1.dld (Program Signature: 1133)
Filename bsn04051 (Note filename does not follow convention)
File Period: January 24, 2005 (24) @ 1515 to November 14, 2005 @ 1615
Filename bsn04052 (Filename does not follow convention)
File Period: November 14, 2005 (24) @ 1630 to January 4, 2006 @ 1400