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Development of Japanese inland water surface temperature database using ASTER thermal infrared imagery

机译：利用ASTER热红外图像开发日本内陆水面温度数据库。

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For many lives that inhabit inland water bodies such as lakes and reservoirs, water temperature is an important environmental factor-the shift of water temperature may cause to replace some species by others in an ecosystem. On the other hand, some reports indicate that the surface temperatures of some lakes or reservoirs have been increasing with time due to global warming. Thus, water temperature monitoring for inland waters like lakes and reservoirs is important as aspects of biodiversity conservation and global warming monitoring. However, many water bodies except for some large lakes have not fully or never been monitored on water temperature. We therefore have been developing a satellite-based lake and reservoir temperature database (SatLARTD) since 2009. As of August 2011, SatLARTD in Japan (SatLARTD-J) has been nearly completed using thermal infrared (TIR) imagery observed by the ASTER instrument onboard the Terra satellite, providing water surface temperatures for 899 Japanese water bodies greater than a size of 270 m by 270 m (3 by 3 pixels in ASTER/TIR), with daily max/min air temperatures. In the future version, other satellite data like Terra/MODIS will be added for improvement of the temporal resolution. We also wish to extend the target area from only Japan to Asia or the world.
机译：对于许多居住在内陆水域（如湖泊和水库）的生物来说，水温是一个重要的环境因素-水温的变化可能导致生态系统中的某些物种被其他物种替代。另一方面，一些报告表明，由于全球变暖，一些湖泊或水库的地表温度一直在随着时间增加。因此，对内陆水域（如湖泊和水库）的水温监测作为生物多样性保护和全球变暖监测的重要方面。但是，除某些大湖外，许多水体尚未完全或从未对水温进行过监测。因此，自2009年以来，我们一直在开发基于卫星的湖泊和水库温度数据库（SatLARTD）。截至2011年8月，日本的SatLARTD（SatLARTD-J）几乎已经完成了使用船上ASTER仪器观测到的热红外（TIR）图像的工作。 Terra卫星，可为899个日本水域提供大于270 m x 270 m（ASTER / TIR中3 x 3像素）大小的水面温度，并提供每日最高/最低气温。在将来的版本中，将添加其他卫星数据（例如Terra / MODIS）以改善时间分辨率。我们也希望将目标区域从仅日本扩展到亚洲或世界。

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