The Geography and Environmental Systems Seminar presents Michael Studinger, project scientist for Operation IceBridge, Joint Center for Earth Systems Technology (JCET), UMBC and NASA Goddard Space Flight Center. The seminar, “NASA’s Operation IceBridge: Using Instrumented Aircraft to Bridge the Observational Gap Between ICESat and ICESate-2 Laser Altimeter Measurements,” will be held Wednesday, September 7, at noon in Sondheim Hall Room 001. For more information, contact Dawn Biehler at dbiehler@umbc.edu or ext. 5-2095.