The Tower Room in the Beckman Institute goes silent as all heads turn to the door. An unearthly figure in a full neck brace strides into the room and takes a seat at the end of the long conference table. Already seated are representatives of the W. M. Keck Foundation, the Provost, several Deans, myself, and a few others from the campus. The site visit by the foundation was the moment of truth t...

introduction no2 is not only a potential air pollutant in urban and industrial environments but also a precursor for smog of urban environment that is another ozone pollutant as well. some of the urban environments in iran have high tropospheric and near surface no2 which requires research attentions especially in these years. that is the issue of concern in the present study using satellite da...

Synthetic aperture radar (SAR) interferometric change-detection (IGD) maps are highly sensitive to both macro and micro temporal changes in SAR surface reflectivity. This change is detected as decorrelations in the complex cross-correlation between two SAR complex images collected at different times. However, in many instances, numerous detected decorrelations are not due to changes during the ...