In this paper,TOVS satellite data are used through variational method on the data-sparse plateau area.Diagnoses are carried out to find a way to solve the large error problem of model initial field.It is put forward t...In this paper,TOVS satellite data are used through variational method on the data-sparse plateau area.Diagnoses are carried out to find a way to solve the large error problem of model initial field.It is put forward that TOVS retrieval data can be used to improve the initial field of numerical prediction model on Tibetan Plateau area.Through variational method,TOVS data are processed and the liability of the initial information on the plateau is improved.Diagnostic results confirm further that the application of TOVS retrieval data can improve our capability to describe the dynamic system features on the plateau and the objectivity of related initial information such as the distribution of water vapor channel and stratification stability.展开更多
The atmospheric ozone in East Asia has been studied with satellite remote sensing. The relationship between atmospheric ozone and tropopause height is analyzed and its response to weather processes has been discussed....The atmospheric ozone in East Asia has been studied with satellite remote sensing. The relationship between atmospheric ozone and tropopause height is analyzed and its response to weather processes has been discussed. The mean deviation between the total atmospheric ozone content derived from TOVS data and that got from ground-based Dobson spectrophotometer observation is 3.67%. The total atmospheric ozone content increases with the latitude increasing in East Asia. The correlation coefficient between total ozone content and tropopause height is negative. The average is 74%. The total atmospheric ozone content is closely related to weather processes. Ozone content increases while arctic air mass invading and decreases while tropic air mass coming.展开更多
基金Supported by the National Key Project B-"Observation and Theoretical Study of the Physical Process of the Tibetan Plateau Land-Air InteractionIts Impact on the Global Climate and Severe Weather in China."
文摘In this paper,TOVS satellite data are used through variational method on the data-sparse plateau area.Diagnoses are carried out to find a way to solve the large error problem of model initial field.It is put forward that TOVS retrieval data can be used to improve the initial field of numerical prediction model on Tibetan Plateau area.Through variational method,TOVS data are processed and the liability of the initial information on the plateau is improved.Diagnostic results confirm further that the application of TOVS retrieval data can improve our capability to describe the dynamic system features on the plateau and the objectivity of related initial information such as the distribution of water vapor channel and stratification stability.
文摘The atmospheric ozone in East Asia has been studied with satellite remote sensing. The relationship between atmospheric ozone and tropopause height is analyzed and its response to weather processes has been discussed. The mean deviation between the total atmospheric ozone content derived from TOVS data and that got from ground-based Dobson spectrophotometer observation is 3.67%. The total atmospheric ozone content increases with the latitude increasing in East Asia. The correlation coefficient between total ozone content and tropopause height is negative. The average is 74%. The total atmospheric ozone content is closely related to weather processes. Ozone content increases while arctic air mass invading and decreases while tropic air mass coming.
