Advanced Land Observing Satellite-2 (ALOS-2 or Daichi-2) successfully launched on May 24


This L-band SAR is the upgrade to the ALOS PALSAR. Unlike PALSAR, PALSAR-2 can look to either the right or left of the flight path, and to a distance of 870 km to 2,320 km from the ground track.  The project manager, Shinichi Suzuki, stresses the role of SAR data in understanding the consequences of the Great East Japan Earthquake, and states that the cooperative international framework for sharing SAR data was important in understanding the results of the earthquake. On May 27, JAXA confirmed that the satellite was operating properly, so that the critical operation phase was complete. They then shifted to the regular operation mode.  Further information is available at the JAXA ALOS-2 website.


About Seelye Martin

Seelye Martin received his Ph.D. in engineering mechanics from Johns Hopkins University in 1967 then spent two years as a research associate in the Department of Meteorology at the Massachusetts Institute of Technology. In 1969 he took up a position in the School of Oceanography at the University of Washington where he is now an Emeritus Professor. Beginning in 1987, he taught courses on remote sensing of the oceans. Professor Martin has been involved with passive microwave, visible/infrared and radar ice research since 1979, and has served on a number of NASA and NOAA committees and panels involving remote sensing and high latitude processes. He has made many trips to the Arctic for research on sea ice properties and oceanography. From 2006-2008, he worked at NASA Headquarters as Program Manager for the Cryosphere, where he also served as program scientist for the ICESat-1 and ICESat-2 missions. After leaving Headquarters, from 2009 -2012, he worked in a variety of roles for the NASA high-latitude IceBridge remote sensing aircraft program. For this work, in 2012 he was awarded the NASA Exceptional Public Service Medal.
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