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Although earthquakes were already treated in an earlier section , we note here that detailed geomorphic studies using primarily topographic data have yielded significant advances , including the location of active faults , especially where these faults are buried . The recent results indicating that soil moisture and snow water equivalence could indeed be measured accurately with spaceborne multiparameter SARs bring the remote sensing one step closer to providing some important variables to help understand and routinely monitor the hydrologic cycle . We note that precise orbit control ( using GPS ) is a critical ingredient to any successful SAR interferometry mission . Finally , we summarize the current state of design studies for a space-based SAR system that has been optimized to collect global high-resolution elevation data at meter-level accuracy and surface change monitoring at centimeter-level accuracy . We also note that the Global Topography Mission , currently under study by NASA , would alleviate the major deficiencies in the global topographic data base , and we endorse that mission . In addition , the chapters summarize the value of existing SAR data and currently planned SAR systems , and identify gaps in observational capabilities that need to be filled to address the scientific questions . Students will gain an insight into the cinematic language of each of these directors and into a number of key issues that shape contemporary Italian society and politics , focusing in particular on the question of realism , the rewriting of history and identity , and the representation of space and landscape .