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020 ▼a 9780438169715
035 ▼a (MiAaPQ)AAI10829577
035 ▼a (MiAaPQ)arizona:16433
040 ▼a MiAaPQ ▼c MiAaPQ ▼d 248032
0820 ▼a 523
1001 ▼a Landis, Margaret E.
24510 ▼a Icy Craters on Mars and Ceres.
260 ▼a [S.l.] : ▼b The University of Arizona., ▼c 2018
260 1 ▼a Ann Arbor : ▼b ProQuest Dissertations & Theses, ▼c 2018
300 ▼a 133 p.
500 ▼a Source: Dissertation Abstracts International, Volume: 79-12(E), Section: B.
500 ▼a Adviser: Shane Byrne.
5021 ▼a Thesis (Ph.D.)--The University of Arizona, 2018.
520 ▼a The broad topic of my PhD dissertation is: Where and when do volatile compounds exist on the surface of planets? My two areas of focus are Mars and Ceres.
520 ▼a For Mars, I study the Polar Layered Deposits (PLDs), which contain a stratigraphy that may contain a record of Mars climate history. In my thesis, I use crater statistics based on High Resolution Imaging Science Experiment (HiRISE) images to mea
520 ▼a For Ceres, I model water ice sublimation as a source of the transient exosphere. The transient water vapor exosphere is not unexpected due to the high water content of Ceres determined from geophysical modeling, but the source is still unknown.
590 ▼a School code: 0009.
650 4 ▼a Planetology.
650 4 ▼a Geomorphology.
650 4 ▼a Astrophysics.
690 ▼a 0590
690 ▼a 0484
690 ▼a 0596
71020 ▼a The University of Arizona. ▼b Planetary Sciences.
7730 ▼t Dissertation Abstracts International ▼g 79-12B(E).
773 ▼t Dissertation Abstract International
790 ▼a 0009
791 ▼a Ph.D.
792 ▼a 2018
793 ▼a English
85640 ▼u http://www.riss.kr/pdu/ddodLink.do?id=T14999323 ▼n KERIS
980 ▼a 201812 ▼f 2019
990 ▼a 관리자