Orbiting Arid Subsurface and Ice Sheet Sounder (OASIS): Exploring desert aquifers and polar ice sheets and their role in current and paleo-climate evolution

Essam Heggy, Paul A. Rosen, Richard Beatty, Tony Freeman, Young Gim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Abstract

The Orbiting Arid Subsurface and Ice Sheet Sounder (OASIS) mission concept is the first to directly explore the signatures of climate change beneath the surface of two of the least well-understood arid regions of the Earth: the polar ice sheets and the hyper-arid deserts (Figure 1). With these first-of-a-kind measurements of land ice and shallow aquifers, OASIS has two well-defined science objectives. The first is to determine the thickness, inner structure, and basal boundary conditions of Earth's ice sheets to understand their dynamics and to improve models of current and future ice sheet response to climate change and, hence, to better constrain ice sheet contribution to sea level rise. The second objective is to perform detailed mapping of the spatial distribution of shallow (<100 m deep) aquifers in the most arid regions on Earth to understand groundwater hydrology, enhance groundwater flow models, and provide new insights into available water resources and paleoclimatic conditions. These two mission objectives, which align closely with two NASA Earth Science program objectives on climate and water cycle, are achieved using measurements made by a single, low-cost and proven-heritage instrument: a 45 MHz center frequency radar sounder with 10 MHz bandwidth. The OASIS radar is similar to instruments on two successful Mars missions, Mars Express and Mars Reconnaissance Orbiter, presently probing the Martian subsurface.

Original languageEnglish
Title of host publication2013 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013 - Proceedings
Pages3483-3486
Number of pages4
DOIs
Publication statusPublished - 2013
Externally publishedYes
Event2013 33rd IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013 - Melbourne, VIC, Australia
Duration: 21 Jul 201326 Jul 2013

Other

Other2013 33rd IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013
CountryAustralia
CityMelbourne, VIC
Period21/7/1326/7/13

Fingerprint

Aquifers
paleoclimate
Ice
ice sheet
desert
Acoustic waves
aquifer
Mars
Arid regions
arid region
Earth (planet)
Climate change
radar
Radar
climate change
Earth sciences
Earth science
Groundwater flow
Hydrology
Sea level

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Computer Science Applications

Cite this

Heggy, E., Rosen, P. A., Beatty, R., Freeman, T., & Gim, Y. (2013). Orbiting Arid Subsurface and Ice Sheet Sounder (OASIS): Exploring desert aquifers and polar ice sheets and their role in current and paleo-climate evolution. In 2013 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013 - Proceedings (pp. 3483-3486). [6723579] https://doi.org/10.1109/IGARSS.2013.6723579

Orbiting Arid Subsurface and Ice Sheet Sounder (OASIS) : Exploring desert aquifers and polar ice sheets and their role in current and paleo-climate evolution. / Heggy, Essam; Rosen, Paul A.; Beatty, Richard; Freeman, Tony; Gim, Young.

2013 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013 - Proceedings. 2013. p. 3483-3486 6723579.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Heggy, E, Rosen, PA, Beatty, R, Freeman, T & Gim, Y 2013, Orbiting Arid Subsurface and Ice Sheet Sounder (OASIS): Exploring desert aquifers and polar ice sheets and their role in current and paleo-climate evolution. in 2013 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013 - Proceedings., 6723579, pp. 3483-3486, 2013 33rd IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013, Melbourne, VIC, Australia, 21/7/13. https://doi.org/10.1109/IGARSS.2013.6723579
Heggy E, Rosen PA, Beatty R, Freeman T, Gim Y. Orbiting Arid Subsurface and Ice Sheet Sounder (OASIS): Exploring desert aquifers and polar ice sheets and their role in current and paleo-climate evolution. In 2013 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013 - Proceedings. 2013. p. 3483-3486. 6723579 https://doi.org/10.1109/IGARSS.2013.6723579
Heggy, Essam ; Rosen, Paul A. ; Beatty, Richard ; Freeman, Tony ; Gim, Young. / Orbiting Arid Subsurface and Ice Sheet Sounder (OASIS) : Exploring desert aquifers and polar ice sheets and their role in current and paleo-climate evolution. 2013 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013 - Proceedings. 2013. pp. 3483-3486
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