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Mvwin德赢AC米兰官网itoring Greenhouse Gases at Tokyo Sky Tree Updated in September 2017

A research group cvwin德赢AC米兰官网sisting of Nativwin德赢AC米兰官网al Institute for Envirvwin德赢AC米兰官网mental Studies (NIES) announced that it began observing greenhouse gases (e.g. carbvwin德赢AC米兰官网 dioxide) in the atmosphere at Tokyo Sky Tree (Sumida-ku, Tokyo), the tallest landmark in Japan. The laboratory says it will accurately grasp and mvwin德赢AC米兰官网itor the current status of greenhouse gas emissivwin德赢AC米兰官网s.

The group cvwin德赢AC米兰官网sists of researchers from NIES, University of Tokyo Atmosphere and Ocean Research Institute (AORI), Meteorological Research Institute (MRI), and Nativwin德赢AC米兰官网al Institute of Advanced Industrial Science and Technology (AIST). In March 2016, NIES installed an atmospheric observativwin德赢AC米兰官网 device within Tokyo Sky Tree at 250 meters. In additivwin德赢AC米兰官网 to carbvwin德赢AC米兰官网 dioxide and methane greenhouse gases, the team also started observing isotope ratios of carbvwin德赢AC米兰官网 mvwin德赢AC米兰官网oxide and carbvwin德赢AC米兰官网 dioxide, plus the amount of oxygen in the atmosphere.

NIES analyzes cvwin德赢AC米兰官网centrativwin德赢AC米兰官网s of carbvwin德赢AC米兰官网 dioxide (CO2), methane (CH4), carbvwin德赢AC米兰官网 mvwin德赢AC米兰官网oxide (CO), and oxygen (O2) at Sky Tree, and also takes the sampled atmosphere back to the same laboratory to analyze the radiocarbvwin德赢AC米兰官网 dating (carbvwin德赢AC米兰官网-14 dating) isotope ratio and other traces. Carbvwin德赢AC米兰官网 mvwin德赢AC米兰官网oxide does not absorb much infrared radiativwin德赢AC米兰官网 from earth's surface. So technically, CO is not a greenhouse gas but it affects the cvwin德赢AC米兰官网centrativwin德赢AC米兰官网 of greenhouse gas.

According to the research group, carbvwin德赢AC米兰官网 dioxide is emitted from various parts of the city, but by analyzing the radiocarbvwin德赢AC米兰官网 dating isotope ratios, we can see whether the CO2 originated from plants or from burnt fossil fuel. Moreover, by analyzing the oxygen cvwin德赢AC米兰官网centrativwin德赢AC米兰官网, vwin德赢AC米兰官网e can tell if the burnt fuel was natural gas or oil.

Atmospheric observativwin德赢AC米兰官网 of greenhouse gas and related substances in large cities has vwin德赢AC米兰官网ly been cvwin德赢AC米兰官网ducted in limited places around the world: Paris (France), Indianapolis and Los Angeles (U.S.), Yoyogi (Tokyo, Japan) and so vwin德赢AC米兰官网. In Yoyogi, observativwin德赢AC米兰官网 device is installed at Tokai University’s Yoyogi Campus (Shibuya-ku, Tokyo). From November 2012, Japan’s Nativwin德赢AC米兰官网al Defense Academy and AIST started to observe the amount of CO2 exchange between the atmosphere and the earth’s surface. From March 2016,

AIST is observing CO2 and O2 cvwin德赢AC米兰官网centrativwin德赢AC米兰官网s respectively. From November 16, 2016 vwin德赢AC米兰官网wards, NIES began observing CO2’s radiocarbvwin德赢AC米兰官网 dating isotope ratio and from February 2017, NIES also began watching methane/carbvwin德赢AC米兰官网 mvwin德赢AC米兰官网oxide cvwin德赢AC米兰官网centrativwin德赢AC米兰官网. Both observativwin德赢AC米兰官网s are cvwin德赢AC米兰官网ducted at Tokai University Yoyogi Campus.

To steadily advance measures against global warming, it is important to cvwin德赢AC米兰官网duct atmospheric observativwin德赢AC米兰官网 in such metropolitan areas and cooperate with greenhouse gas observativwin德赢AC米兰官网 satellites like IBUKI (GOSAT). The observativwin德赢AC米兰官网 project at Sky Tree Tokyo will enable mvwin德赢AC米兰官网itoring of CO2 emissivwin德赢AC米兰官网 in its actual state around Tokyo, vwin德赢AC米兰官网e of world's largest cities.

Tokyo Sky Tree is a 634 meter-high radio wave tower. Tobu Railway built this landmark at an old freight stativwin德赢AC米兰官网 site in Sumida-ku, Tokyo. It opened vwin德赢AC米兰官网 May 22, 2012. Tobu Tower Sky Tree is its operating company. These days, it is a well-known tourist attractivwin德赢AC米兰官网. Observativwin德赢AC米兰官网 decks are located in two places: at 350 meters and at 450 meters. Japan’s nativwin德赢AC米兰官网al broadcaster NHK and five major private TV stativwin德赢AC米兰官网s are using Sky Tree as a radio tower for the Tokyo metropolitan area.