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Thread: GOSAT news

  1. #1
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    GOSAT news

    Dear fellows,

    Today, January-23 at 12.54 PM of Japanese Standard Time, the Long awaiting
    satellite, for measuring the atmospheric CO2 and CH4 concentration is
    successfully launched from Tanegashima space center.
    The GOSAT (Greenhouse gas Observing SATellite) is nick named "Ibuki" in
    Japanese. Ibuki means the "breath" and GOSAT is supposed to solve
    the puzzle of 'how the earth surface breaths every day'.

    The Japanese Aerospace Exploration Agency (JAXA) was responsible for the
    launch with rocket facility from Mitsubishi Heavy Industries, Ltd. The launch vehicle
    flew smoothly, and, at about 16 minutes after liftoff, the separation of the IBUKI
    was confirmed.
    http://www.jaxa.jp/countdown/f15/index_e.html

    National Institute for Environmental Studies (NIES) will offer
    the Data Handling Facility for the Ibuki retrieved spectral and CO2
    measurements. NIES has opened a special website for GOSAT to monitor
    the project details and research. Data will be available for public after
    preliminary spectral analysis, CO2 concentration retrieval and calibration
    against number of land based and airborne observations.
    http://www.gosat.nies.go.jp/index_e.html

    In NIES GOSAT data will be partitioned into Level-1 to 4. The L1
    products will be the direct measured spectral data and L2 is the
    retrieved CO2 column inventories and calibrated with observations.
    L3 is global average of L2 and L4a is the CO2 fluxes retrieved from L3
    products using inverse modeling. L4b will be the global 3Dimensional
    concetration of CO2. From L1 to L4 it takes nearly 8-9 months from now and
    data will be made available for public by then.

    A contemporary satellite called as OCO (Orbiting Carbon Observatory) will
    be launched from NASA in February-2009. OCO is complementary to GOSAT
    in measurement techniques and both these satellite will contribute to resolve
    the carbon cycle of the planet earth and global warming.


    Thanks
    -Vinu

  2. #2
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    Unfortunate failure of OCO

    It is unfortunate to absorb the bitter failure happened to
    the long awaiting OCO satellite from NASA, whose incomplete launch
    occured 24th February early morning Pacific time. The report says the
    seperation stage of OCO failed to operate and the rocket mission ceased
    following that.
    http://www.nasa.gov/mission_pages/oco/main/index.html

    It is a bitter dissappointment to all scientists were waiting to
    see the CO2 cycle of the planet earth using OCO.

    Hope that a recovery will start soon leaving behind the shocks of the past
    and move on to the advancement of science.

    -Vinu

  3. #3
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    That's sad

    That very sad Vinu chetta. I'm now fingers crossed for SMOS, which is a very complex satellite, with a larger antenna....hope everything work well.

    Prasanth

  4. #4
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    Lose of 8 years+ of hard work! It is a huge lose to the scientific community and the common man. Hope the proposals won't be abandoned.

  5. #5
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    second Research Announcement on GOSAT

    Schedule for the 2nd RA
    Release of RA April 7, 2009
    Deadline for submission of proposals RA* users : June 1, 2009
    RA+ users : June 23, 2009
    Notification of the selection results RA* users : July 31, 2009
    RA+ users : August 28, 2009
    Sign up of the agreement RA* users : August 3, 2009 or later
    RA+ users : August 31, 2009 or later
    The second Meeting of the GOSAT_RA
    Principal Investigators / Workshop Scheduled for early 2010
    Submission of interim reports September 30, 2010

    The second Research Announcement on GOSAT

    The Fourth Assessment Report issued by the Intergovernmental Panel on Climate Change (IPCC) in 2007 states that most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic Green House Gas (GHG) concentrations. The drastic increase in the concentration of GHGs, particularly carbon dioxide (CO2), caused directly and indirectly by human activities, is attributed to the fact that the emission of CO2 into the atmosphere in the process of the mass consumption of fossil fuel, deforestation, etc., significantly surpasses the absorption by the land ecosystem and the oceans. Thus, it is imperative to balance the emission due to human activities and the absorption by the nature, in order to stabilize the climate for the future. In the meantime, however, we, humans, have not grasped, to a sufficient level, the mechanisms of the absorption by land ecosystem and ocean, and the climatological feedback in the carbon cycle involving atmosphere, land ecosystem and ocean. This lack of understanding comprises a substantial part of the uncertainty in predicting future climate change.

    The clarification of these problems involves not only an ascertainment of the spatial and temporal variations in the CO2 emission from human activities but also a calculation of the spatial distribution and temporal variation of CO2 and also methane (CH4), which is the second largest contributor to global warming after CO2, and the spatial distribution and temporal variation of the source and sink in land ecosystem and oceans, based on earth observation, and ultimately an attainment of adequate scientific knowledge on the underlying mechanisms. These efforts to observe GHG concentrations and to analyze the causes of their variations at some locations are, though still limited, in progress. On top of these attempts, it is vital to observe the distributions of CO2, CH4, and other GHG concentrations, which fluctuate both spatially and temporally, on the global scale, using satellite platforms, in a continuous and systematic manner, and to elucidate the current issues, with a goal to elevate the reliability of prediction of future climate change and climate system models effective for assessing the consequences of climate change.

    Aiming for fulfilling the above requirements, the Japan Aerospace Exploration Agency (JAXA), the National Institute for Environmental Studies (NIES) and the Ministry of the Environment (MOE) (hereinafter referred to as the "Three Parties" collectively) have started the GOSAT (Greenhouse gases Observing SATellite) Project. The Three Parties shall make the second announcement on an opportunity for research using the data acquired by the Thermal And Near infrared Sensor for carbon Observation (TANSO) sensor on board GOSAT on April 7, 2009.

    This second research announcement (hereinafter referred to as RA) is initiated for soliciting proposals on advanced research using actual data acquired by GOSAT, which was successfully launched on January 23, 2009. The details of the RA are provided in the following RA documents. Note that the RA Office is set up inside NIES.

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