总结了当前国内外基于遥感信息监测土壤水分的原理和方法，特别是对数据同化法进行了着重阐述。
The principle and methods of monitoring the soil moisture based on remote sensing information are reviewed. Especially much attention was paid on the data assimilation method.
以一维水温模型为例，利用伴随算子法进行海洋观测数据同化，以便给水温的数值预报提供一个较准确的初始场。
To carry out the data assimilation of sea temperature observations the adjoint method is applied, which can provide an accurate initial temperature field for numerical prediction.
以一维水温模型为例，利用伴随算子法进行海洋观测数据同化，以便给水温的数值预报提供一个较准确的初始场。
To carry out the data assimilation of sea temperature observations the adjoint method is applied, which can provide an accurate initial temperature field for numerical prediction.
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