RAL Seminar Series - Jeffery J. Puschell

Persistent Multispectral Day–Night Imaging of the Arctic
from Highly Elliptical Orbit

Presented by Jeffery J. Puschell, Chief Scientist, Raytheon Space and Airborne Systems and Principal Engineering Fellow
Steve Miller
, Deputy Director, CIRA, Colorado State University and
David Johnson, Research Applications Laboratory, NCAR

Abstract:  Persistent satellite observations are essential for monitoring and understanding Earth's environmentally sensitive and rapidly changing Arctic region. This presentation describes a new class of compact, wide field of view imagers for satellites in highly elliptical orbit (HEO) that would stare at the Arctic and collect multispectral, high resolution, high dynamic range visible and near-infrared imagery with sensitivity similar to the VIIRS Day Night Band (DNB).

These HEO Day-Night Imagers (HDNIs) would provide high contrast imagery through the long polar night with dynamic range that extends from the brightest clouds, ice, and snow to reflected moonlight from open water, thereby enabling cloud/ice/sea surface discrimination even under very low light and low thermal contrast conditions.

Rapidly refreshed HDNI data would result in frequent updates to key environmental products such as cloud imagery, cloud microphysical properties, ice and open water distribution including real-time maps of where leads are opening and new ice is forming, vector ice motion and vector polar winds from cloud motion. The relatively small size and light weight of the imager makes it an ideal candidate for deployment as a hosted payload.

Wednesday 9 April 2014, 10:30 am

Room 1001 (Small Seminar Room)

Foothills Laboratory, Building 2

3450 Mitchell Lane, Boulder

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Wednesday, April 2, 2014
Wednesday, April 9, 2014