General information

Location: 35.625N, 140.104E, 21 m a.s.l.
Site owners: Hitoshi Irie and Tamio Takamura
  (CEReS/Chiba-U.)

Pictures of some instruments at Chiba site and Mt. Fuji seen from the site under low aerosol conditions in winter.

Data

Meteorological data

--- 2021 2022 2023

Sky radiometer
  2005
  2006
  2007
  2008
  2009
  2010
  2011
  2012
  2013
  2014a   2014b   2014c   2014d   2014e   2014f
  2015
  2016a   2016b
  2017
  2018
  2019a   2019b
  2020
  2021
  2022
  2023

PM2.5(#1)
  2018
  2019
  2020
  2021
  2022
  2023

PM2.5(#2)
  2020
  2021
  2022
  2023

BC
  2019
  2020
  2021
  2022
  2023

LIDAR
  data and plot

Microwave radiometer (old format)
  2004 2005 2006 2007 2008
  2009 2010 2011 2012 2013
  2014 2015 2016 2017 2018

Microwave radiometer (new format)
  2012 2013 2014 2015 2016
  2017 2018 2019 2020 2021
  2022 2023 2024 2025 2026


Global solar radiation
  1999 2000 2001 2002 2003
  2004 2005 2006 2007 2008
  2009 2010 2011 2012 2013
  2014 2015 2016 2017 2018
  2019 2020 2021 2022 2023

Direct solar radiation
  1999 2000 2001 2002 2003
  2004 2005 2006 2007 2008
  2009 2010 2011 2012 2013
  2014 2015 2016 2017 2018
  2019 2020 2021 2022 2023

Infrared radiation (downward) measured by CG4
  2007 2008 2009 2010 2011
  2012 2013 2014 2015 2016
  2017 2018 2019 2020 2021
  2022 2023 2024 2025 2026

Infrared radiation (downward) measured by PIR
  1999 2000 2001 2002 2003
  2004 2005 2006 2007 2008
  2009 2010 2011 2012 2013
  2014 2015 2016 2017 2018
  2019 2020 2021 2022 2023

Temperature
  1999 2000 2001 2002 2003
  2004 2005 2006 2007 2008
  2009 2010 2011 2012 2013
  2014 2015 2016 2017 2018
  2019 2020 2021 2022 2023

Relative humidity
  1999 2000 2001 2002 2003
  2004 2005 2006 2007 2008
  2009 2010 2011 2012 2013
  2014 2015 2016 2017 2018
  2019 2020 2021 2022 2023

Wind direction
  2007 2008 2009 2010 2011
  2012 2013 2014 2015 2016
  2017 2018 2019 2020 2021
  2022 2023 2024 2025 2026

Wind speed
  2007 2008 2009 2010 2011
  2012 2013 2014 2015 2016
  2017 2018 2019 2020 2021
  2022 2023 2024 2025 2026

Skyview

History

• Aug. 8, 2019: Link to ADCL is added.
  
• Mar. 14, 2019: AERONET/CIMEL v3 data available (data1, data2).
  
• Jan. 26, 2018: PM2.5 observations resumed.
  
• Nov. 4, 2015: Observation by AERONET/CIMEL sunphotometer started.
  
• Mar. 18, 2015: Some data for 2015 are now available.
  
• Mar. 13, 2015: Microwave radiometer data are now available.
  
• Feb. 27, 2015: Radiation and meteorological data are now available.
  
• Jan. 26, 2015: A tentative version of this web site was launched.