高分解能光学衛星データを利用した中分解能火災プロダクトにおけるFire Radiative Powerの検証データ作成手法の提案

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  • Proposing of a Method to Obtain Validation Data for the Moderate-Resolution-Sensor-Derived Fire Radiative Power Products from the High Spatial Resolution Satellite Data
  • コウブンカイノウ コウガク エイセイ データ オ リヨウ シタ チュウ ブンカイノウ カサイ プロダクト ニ オケル Fire Radiative Power ノ ケンショウ データ サクセイ シュホウ ノ テイアン

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<p>We propose a method for obtaining validation data for the moderate-resolution-sensor-derived Fire Radiative Power (FRP) products from the high spatial resolution satellite data. This method uses two shortwave infrared channels (1.6 ［μm］ and 2.2 ［μm］) to retrieve FRP validation data. Although fire-contaminated high spatial resolution pixels are mostly saturated because of intense fire radiation, our method exploits the saturated fire pixels for FRP validation data retrieval and as the result, an estimation width is obtained as FRP validation data. In this study, FRP validation data was constructed using the ASTER high resolution data and was evaluated by comparing the simultaneous observed MODIS FRP products. The correlation coefficients between our method derived FRP validation data and the MODIS FRP were approximately between 0.7 and 0.9. The corresponding rates between our method derived FRP validation data and the MODIS FRP were approximately between 0.7 and 0.8.</p>

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