Field trips to Arolla * 8.-9. Feb. 2005 - Downloading data from T2 Arolla * 21.-25. May 2005 - Putting up weather station on the glacier, drilling of the SR 50 (exploding of the steam drill:-)), Javier? Arolla - Snow pit-density measurements - Snow distribution on the glacier * 28.-30. May 2005 - Stake drilling (1-10) Arolla - Snow pit-density measurements * 2.-7. June 2005 - Gorner, setting up of weather station on Glacier (2.7.2005), Javier? Gorner * 9.-12. June 2005 - Station was on ground, we set it up on 11.6.2005, 11:30 Arolla - Stake drilling (1-13): 10.-12.6.2005 - Stake readings - Work on glacier station 12.6.2005, 14:00-14:20: - Switching NR light to east, because of reflecting station legs * 8.-10. June 2005 - Gorner, 11.6.2005, 14:00-16:30 Gorner - downloading data - lowered SR 50 about 2m, removing of 2m pole * 11.-12. July 2005 - Downloading data from T2, 12.7.2005, 9:30 (dataloggerclock, 2 minutes ahead of UTC) Arolla - Stake readings (removing of 2m stake pieces: 4-12) * 19.-21 July 2005 - Drilling of station to one pole, incl. SR50, Arolla windheight: 203cm, T/rH-height: 198, Javier? - Stake readings - Setting up camera * 8.-9. August 2005 - Stake readings (removing 2m for stakes 2,3) Arolla - Lowering of the glacier-station, windheight: 209cm, T/rH-height: 194 (204?) * 29.-31. August 2005 - Redrilling station pole: 30.8.2005, 11:30-17:00, Arolla windheight: 203cm, T/rH-height: 200, SR50: 190 - Stake readings * 3.-6. Sept. 2005 - Drilling stakes (14-18), 5.9.2005 Arolla - Stake readings () - Transects of roughness lengths - 6.9.2005, taking down datalogger box * 8. Oct. 2005 - Bringing dataloggerbox back, with new SnowTemperature sensor, new CR10X-code! Arolla - Stake readings - From here, T/rH not working! * 26.-27. Oct. 2005 - Downloading T2, (dataloggerclock, 4 minutes late to UTC) Arolla - Extending all stakes to at least 2m above surface - Attempt to fix T/rH * 5. Jan. 2005 Arolla * 24.-25. Jan. 2005 - Downloading glacier-station Arolla - Attempt to fix T/rH * 13.-15. Feb. 2006 - Attempt to download T2 Arolla - Attempt to fix T/rH * 25.-26. April 2006 - Setting up the Gorner station, 25.4.2006, 18:00 Gorner * 24.-26. Mai 2006 - Snow distribution on the glacier Arolla - Snow pit-density measurements - Downloading data from glacier station, 25.5.2006, 12:00 - Replacing the T/rH sensor, station data ok from 16:20 on, gap between 12:00-16:20 - The datalogger was probably covered in snow for a while during the winter, all sensors ok - Stake readings - Downloading data from T2, 26.5.2006, 10:30 * 15.-16. June 2006 - Stake readings Arolla - Downloading T2 and glacier station * 11.-12. July 2006 - Stake readings Arolla - Lowering glacier station, taking down 2m pole, 11.7.2006, 16:00 - Lowering glacier station a bit more, 12.7.2006, windheight: 155cm, T/rH-height: 137, SR50: 132 - Downloading T2, 12.7.2006, 11:00 * 14.-15. July 2006 - Downloading data from glacier Gorner * 22.-25. July 2006 - Downloading data from glacier Station, 22.7.2006, 16:00 Arolla - Redrilling station pole on 23.7.2006, 12:00-14:30, (17:42) windheight: 223cm, T/rH-height: 209, SR50: 200cm, SnowSurf (base): 188cm - All stakes redrilled (6m of stake) but, 1 (is ok) and 17 - Downloading data from glacier Station, 25.7.2006, 12:00 * 7. Aug. 2006 - Lowering of the SR50 on Gorner, 17:15, from 250cm down to 137cm Gorner - Solarpanel was upside down - The station had to be adjusted the whole season due to melt... * 30. Aug. 2006 - Lowering of the SR50 on Gorner, 12:00, down to 132cm Gorner - Solarpanel was upside down (not working for about 3 days) - Downloading data * 31. Aug. 2006 - Exchanged batteries and flashcard for the automatic camera Arolla - Downloading of data from the glacier station - Reading of stakes 18, 14 * 11.-13. Oct. 2006 - Downloading glacier station 11.10.2006 Arolla - Lowering glacier station, until datalogger box-pole to 162cm above ground (16:00-16:30, 11.10.2006) - Downloading upper station, 9:30-10:15, 12.10.2006 - Emptying the precipitation gauge (T2) and putting antifreezer inside, 12.10.2006, ca. 18:00 - Exchanged batteries and flashcard for the automatic camera, 12.10.2006 - Stake readings: 18,14 on 11.10.2006 3, 5, 6, 7, 8, 9, 10, 11, 12, 15, 16 on 12.10.2006 * 5. Dec. 2006 - Exchanged batteries and flashcard for the automatic camera * 11.-12. March 2007 - Downloading glacier station: a fuse in datalogger box was blown for a while, exchanged fuse Arolla - Antifreezer put in T1 at 11.2.2007, 10:50 - T2, downloaded station on 11.3.2007, 15:00-17:00 - Stake readings, 3,7,8,10,11,12,14,15,16,17, all other stakes covered with snow * 30.April-2.Mai 2007 - Lowering glacier station on Mai 1st, 14:35 - 14:50 - Stake readings - Snow depth measurements on all days - Snow density measurements on Mai 1st - Exchanged batteries and flashcard for the automatic camera on Mai 1st. * 29.June-30.June 2007 - Lowering glacier station on June 29, 16:45 , 2m pole taken away, still 4 poles * 2m inside - Exchanging CR10X at the glacier station on June 29, 16:30 - Stake readings, removed 2m from stake 8,11,12,14,15,16,18 - Downloading T2, set datalogger clock on June 29, around 20:00. The datalogger clock was 2h17min behind. - 30. June, exchanged flashcard in camera * 22.July-23.July 2007 - Lowering glacier station on June 23., around 11:15 - Stake readings, removed 2m from stakes 7,10,14,15 - set camera settings on June 22., 17:20 visible: f11,1/160 (was on autofocus) IR : f11,1/20 * 1.Oct.-2.Oct. 2007 - 1.10.2007. Stake readings. Stakes 14, 15, 16, 18 melted out before. Stake 12 taken out, was about to melt. - Glacier station was not working - battery voltage very low! Storage module taken out to read out in Zürich, but was mostly empty as staion was only working from day 180-194. - Downloaded T2 (16:00-17:00) - Emptying the precipitation gauge (T2) and putting antifreezer inside, 16:00 - 2.10.2007 Changed batteries in Camera, battery in remote control of camera, changed flashcard. (remote control battery didn't have good contact at first!) - Camera settings left on settings of July 22nd. - Read stakes from GB. * 13.Oct. 2007 - Exchanged 38Ah battery at glacier station (12:15), station is working. - Uploaded new .dld with a 'go to end of program if battery voltage lower than 9.8V' - Storage module put back - Read lower GB stakes