温室効果ガス・水循環観測技術衛星(GOSAT-GW)の打上げ日が決定, 環境イノベーション情報機構


Okay, here’s a detailed article based on the information provided, and drawing on related context about GOSAT missions:

Japan’s Next-Generation Climate Eye: GOSAT-GW Launch Set for 2025

Japan is gearing up to launch its next-generation climate observation satellite, the Greenhouse gases Observing SATellite-GW (GOSAT-GW), with the launch date now officially set for April 28, 2025. This satellite is a crucial part of Japan’s ongoing commitment to understanding and addressing climate change.

What is GOSAT-GW?

GOSAT-GW (also known as Ibuki-3) is designed to monitor greenhouse gas concentrations and water cycle information with greater accuracy and precision than its predecessors. Think of it as a super-powered eye in the sky that can track the sources and sinks of greenhouse gases like carbon dioxide (CO2) and methane (CH4). In addition to monitoring greenhouse gases, it will also monitor the water cycle (GW stands for Greenhouse gases and Water cycle).

Why is GOSAT-GW Important?

  • Enhanced Climate Monitoring: GOSAT-GW will provide more detailed and comprehensive data on greenhouse gas emissions and absorption patterns across the globe. This information is vital for:

    • Improving climate models: The data will help scientists refine their models and make more accurate predictions about future climate change scenarios.
    • Tracking emission reductions: It will allow for better monitoring of countries’ progress in meeting their emission reduction targets under international agreements like the Paris Agreement.
    • Identifying emission hotspots: GOSAT-GW will pinpoint areas with high emissions, enabling targeted interventions and mitigation strategies.
  • Improved Water Cycle Information: Monitoring water cycle variables (e.g., humidity, precipitation) will help understand the impact of climate change on regional water availability and extreme weather events.

  • Supporting Policymaking: Accurate and reliable climate data is essential for informed decision-making by governments and policymakers. GOSAT-GW will provide the evidence base needed to develop effective climate policies.

Building on a Legacy: GOSAT’s History

GOSAT-GW is the successor to the original GOSAT (Ibuki-1), launched in 2009, and GOSAT-2 (Ibuki-2), launched in 2018. These earlier missions have already made significant contributions to our understanding of global greenhouse gas distributions. GOSAT-GW represents a significant leap forward in terms of technology and capabilities, offering:

  • Higher Resolution: More detailed observations, allowing for the detection of smaller emission sources.
  • Improved Sensitivity: More accurate measurements of greenhouse gas concentrations, especially in areas with high cloud cover.
  • Broader Coverage: Enhanced spatial coverage, enabling a more complete picture of global greenhouse gas distributions.

Who is Involved?

The GOSAT program is a collaborative effort, led by the Japan Aerospace Exploration Agency (JAXA) in cooperation with the Ministry of the Environment (MOE) and the National Institute for Environmental Studies (NIES). Many international partners are also involved in data analysis and validation.

Looking Ahead

The launch of GOSAT-GW is a significant milestone in the global effort to combat climate change. The data it provides will be invaluable for scientists, policymakers, and businesses working to reduce emissions and adapt to a changing climate. Keep an eye on April 28, 2025, as Japan sends another crucial tool into orbit to help us understand and protect our planet.


温室効果ガス・水循環観測技術衛星(GOSAT-GW)の打上げ日が決定


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The following question was used to generate the response from Google Gemini:

At 2025-04-28 03:05, ‘温室効果ガス・水循環観測技術衛星(GOSAT-GW)の打上げ日が決定’ was published according to 環境イノベーション情報機構. Please write a detailed article with related information in an easy-to-understand manner. Please answer in English.


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