- Sapporo sky radiometer memo - # Detail of Sapporo data (Last update: 2023.12.30) 2023.09.28, 2023.09.14, 2023.04.18, 2023.02.20 2021.02.16 2020.01.06 2019.11.01, 2019.09.20, 2019.03.22 2018.03.15 2017.08.28 2013.01.16 - Obs.info + 1997.6.30 obs start in Sapporo (43.081N, 141.342E from Map? old website) - Old site: 43.083N, 141.339E, Alt. 25m (from Map: 2012.12.03) - New site: 43.084N, 141.339E, Alt. 30m (from Map: 2012.12.03) Sapporo-1: (PS08017, - 1997.6.7 SVA at Prede - 1997.6.26 SVA at Prede + 1997.6.30 - 1998.7.27 - 1997.7.1 SVA at Sapporo - 1997.9.4 SVA at Sapporo - 1997.9.21 - 1997.9.24 Data error (minus data) - 1997.12.3 Data error (cal error? from old website) - 1998.5.4 SVA at Sapporo - 1998.6.19 SVA at Sapporo + 1998.7.27 Short circuit of cable -> Prede repare + 1998.8.4 repare (offset -161, 2.7) from Prede memo + 1998.10.31 - 2000.3.27 - 1999.7.25 Power down (Erectric check) 8:45 - 17:10 - 1999.8.13 Original data error 07:25:49 - 09:54:30 from old web - 1999.11.2 Original data error 10:05:35 - ?? from old web - 1999.11.8 obs. stop -> move? 1999.11.9 by calender + 2001.6.15 - 2002.1.20 - 2001.7.28 Power down (Erectric check) 8:30 - 15:30 - 2001.8.25 Power down (Erectric check) - 2001.11.23 Power down (Erectric check) + 2002.3.30 - ? - 2002.10.2 Typhoon from Arai e-mail - 2002.10.15 Broken data (021015.DAT) - 2003.3.26 data format change and move new building at ILTS. + 030325.DAT (hokudai) -> 20030326.DAT (sapporo) - 2003.5.19 Otake e-mail: Power down (Erectric check) - 2003.8.10 Yoshida e-mail: Power down (Erectric check) -> 12:15 ON - 2003.8.24 Power down? (Erectric check) - 2004.9.8 Typhoon: skyrad broken - 2004.9.15 SVA at Sapporo - 2004.9.16 SVA at Sapporo - 2007.7.4 SVA at Sapporo - 2007.10.17 SVA at Sapporo - 2007.10.18 SVA at Sappro & x-y scan -> >0.05? - 2009.02.14 PC-HD unstable - 2011.07.18 Power down (Erectric check) - 2011.09.11 Power down (Erectric check) - 2012.09.09 Power down (Erectric check) - 2016.12.28 K.Aoki Instrument Sun sensor broken - 2016.12.30 K.AOki obs.stop #Sapporo-1A (PS080162(Jodo), PS08017, PS080387(BOX)) - 2017.01.19 change tube from PS??. - 2017.08.26 - 2017.08.27 K.Aoki - 2017.08.26 instruments(tube) is do not working. re-start. &SVA. - 2018.09.18 - 2019.03.11 Power down (Erectric check) - 2019.08.07 K.Aoki - 2019.09.01 Power down (Erectric check) restart 2019.09.18 - 2019.09.18 - 2019.09.19 K.Aoki - 2019.10.30 - 2019.10.31 K.Aoki Obs.stop (move to tube for Toyama) + Disk - 1997.06.07 at PREDE - 1997.06.27 (8) at PREDE - 1997.07.01 (3) at ILTS - 1997.09.04 at ILTS - 1998.05.04 at ILTS - 1998.06.19 at ILTS - 2003.07.06 at ILTS - 2004.09.15 at ILTS - 2004.09.16 at ILTS - 2007.07.04 at ILTS - 2007.10.17 at ILTS - 2007.10.18 (3) at ILTS - 2009.09.14 at ILTS - 2011.02.11 at ILTS Sapporo-2 (move sky: PS090065, PS090057, PS090077): - 1997.12.15 SVA at Prede(PS + 1998.1.6 - 1998.1.28 -> (1998.1.30 - 1998.2.11 Syari obs) -> (1998.4.15 - 1998.7.2 Okayama obs) + 1998.7.30 - 1998.10.30 -> (1998.11.5 - 1999.5.10 Akita obs) - 1998.10.3 Date error 07:42:18 from old web + 1999.5.26 - 1999.7.2 - 1999.9.3? SVA at Sapporo - 1999.9.13? SVA at Sapporo (only 500 & 940) -> (1999.9.17 - 1999.9.23 Shigaraki obs) + 2000.1.31 - 2000.9.4 + 2000.9.20 - 2001.6.15 -> (2002.4.11 - now Toyama obs) - 2001.2.12 Power down (Erectric check) - 2001.4.30 Power down (Erectric check) 8:45 - 11:15 + Disk Scan Data - 1999.09.03 at ILTS - 1999.09.13 at ILTS (3) - 1999.12.15 at PREDE Sapporo-3 (rigaku sky: PS100843, PS100853, PS100863): - 2000.4.25 SVA at Prede + 2000.5.1 - 2000.5.29 (Hokudai rigakubu roof?) + 2000.6.5 -> (2000.7.6 - 7.24 Akita obs) Sapporo_SPK_PS2416104 (PS2416104, PS2510307): - 2017.11.28 dat, sun, v03 at ??? - 2018.10.09 - 2018.11.02 at PREDE? (header is lat&long at TOY???) - 2018.11.08 - 2018.11.9 K.Aoki obs.start from TOY by mac-operation - set for postion of instruments PS2416104 on the floor PS080162 on the table - 2019.03.11 Power down (Erectric check) - 2019.03.14 K.Aoki - 2019.04.03 - 2019.04.04 K.Aoki restart (Change for mac to win) - channg for position of instruments PS2416104 on the table PS080162 on the floor - 2019.06.25 communication error: obs.stop - 2019.08.07 K.Aoki repair to PREDE due to IC - 2019.08.16 - 2019.09.10 FPD data: repair to PREDE - 2019.09.18 - 2019.09.19 K.Aoki - 2019.09.18 restart.obs - 2019.10.30 - 2019.10.31 K.Aoki - 2019.10.31 Five seed in the tube - 2019.12.31 K.Aoki - 2020.02.26 - 2020.02.27 K.Aoki - 2020.09.13 Power down (Erectric check at Hokkaido Univ.) - 2021.03.22 & 2021.03.24 K.Aoki - 2021.09.05 Power down (Erectric check at Hokkaido Univ.) - 2022.01.23 K.Aoki - 2022.03.08 - 2022.03.09 K.Aoki - 2022.05.13 - 2022.05.14 K.Aoki Trash in the tube by bird? - 2022.07.21 - 2022.07.22 K.Aoki - 2022.08.06 - 2022.08.08 K.Aoki - 2022.09.04 Power down (Erectric check at Hokkaido Univ.) - 2022.11.30 K.Aoki - 2023.02.16 K.Aoki - 2023.03.17 K.Aoki - 2023.04.16 K.Aoki - 2023.09.03 Power down (Erectric check at Hokkaido Univ.) - 2023.10.25 - 2023.10.26 K.Aoki (snow bug) - 2023.12.01 K.Aoki - 2023.12.29 K.Aoki - Cal.info - Cal wavelength: 0.4, 0.5, 0.675, 0.87, 1.02 um - Complex refractive index: 1.50 -0.005i - Ground Albedo: 0.1 at each wl. winter season (Dec to Mar: 0.4 at each wl.) - Atmospheric pressure: 1 atm - Total Ozone amount: 0.3 cm-STP and monthly mean # Publications - Aoki, K., And Fujiyoshi (2003), Sky Radiometer Measurements of aerosol optical properties over Sapporo, Japan. J. Meteorol Soc. Jpn., 81, 493-513. # 2007.7.3 renewal # end