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Tsukuba

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SiteUser NameOperational?DescriptionDate
TsukubamorinoYesOn GOSAT overpass & OCO-2 target mode days TCCON all the day, and on other days NDACC in the morning then TCCON to evening but on mainly weekdays2016-09-06

Tsukuba, Japan

TCCON Status: Full

36.0513 N, 140.1215 E, Altitude 31 m, UTC + 9:00

FTS: Bruker IFS 125 HR

Operated by the National Institute for Environmental Studies (NIES) and is supported in part by the GOSAT project.

Contributors: Isamu Morino (PI), Toru Matsuzaki, Mariko Horikawa, etc.

 

In situ measurements of CO2 and CH4 at an altitude of 1.5 m are continuously made by Meteorological Research Institute, Japan Meteorological Agency, 1-1 Nagamine, Tsukuba, Ibaraki 305-0052, Japan (A contact person: Dr. Yousuke Sawa).

 


 TsukubaFTSsite (2).jpg

An air photograph around NIES taken from Google.

 

Tsukuba_dome.jpg

A photograph of the dome, inside which the solar tracker is installed.

 

Tsukuba_125 HR.jpg

A photograph of the Bruker IFS 125 HR FTS.

 

The NIES GOSAT project web page is located on
http://www.gosat.nies.go.jp/index_e.html.

GOSAT Technical Information containing Data Policy, Path Calendar, and GOSAT Standard Mesh Points
http://www.gosat.nies.go.jp/eng/tech...technology.htm

 

Weather

 

 

 

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The Weather Network - Tsukuba, Japan
Current Weather
Fog, 8 °C , Humidity 100% , Wind calm
Wednesday, October 18, 2017
Rain, High 14 °C, Low 12 °C, P.O.P. 90%
Thursday, October 19, 2017
Cloudy with showers, High 17 °C, Low 15 °C, P.O.P. 90%
Friday, October 20, 2017
Cloudy with showers, High 19 °C, Low 17 °C, P.O.P. 70%

 

Operational Status Details

The old FTS (Bruker IFS 120 HR) was replaced by a new FTS (Bruker IFS 125 HR) in the end of Mar 2010.

We are measuring the solar absorption spectra with the TCCON mode on GOSAT overpass and OCO-2 target mode days.
On other days the NDACC mode in the morning and the TCCON mode from 11 am LT to early evening. 

TCCON mode: 2-micron InGaAs det. and  Si det., reso. 0.02 cm-1, Acq: 1, Sample: 7.5 kHz, LPF: 10 kHz, AP: 1 mm, an Pins: 0, DC F&R single scans.
                      dual-channel acquisition at Tsukuba has been initiated on 28 Mar., 2014. 
NDACC mode: NDACC #1, #2, #3, #4, #5, and #6 (reso. 0.0035 cm-1).

HBr cell measurements for MIR, HCl gas cell and ghost lamp measurements for NIR are made once a month.

An operator is measuring spectra and our system is not full automatic.

 

We did overflights for in-situ NDIR CO2 concentration measurement and flask sampling over Tsukuba, Kumagaya from 500 m to 7000 altitude on
7, 15 Jan., 2009 for 120 HR calibration, 
14, 20, 23 Feb., 2010 for GOSAT validation and 120 HR calibration, and 
28, 31 Jan., 3, 7 Feb., 2011, 11(cloudy), 14 Jan., 2012 for the GOSAT validation and the 125 HR calibration.

We did overflights for in-situ NDIR CO2 concentration and CRDS CO2 and CH4 analyzer measurements, and flask sampling over Tsukuba from 500 m to 9500 m altitude on
8, 11 Jan., 2013, 6, 12 Jan., 2014 for the GOSAT validation and the 125 HR calibration. 

Results

Time series of XCO2 and XCH4 processed with GGG2014 are shown.

TsukubaXCO2&XCH41108-1704.jpg

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