Testing polar spots of water-rich permafrost on the moon: LEND observations onboard LRO

I. Mitrofanov, M. Litvak, A. Sanin, A. Malakhov, D. Golovin, William V. Boynton, G. Droege, G. Chin, L. Evans, K. Harshman, F. Fedosov, J. Garvin, A. Kozyrev, T. McClanahan, G. Milikh, M. Mokrousov, R. Starr, R. Sagdeev, V. Shevchenko, V. ShvetsovV. Tret'yakov, J. Trombka, A. Varenikov, A. Vostrukhin

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

[1] Results are presented for the LEND instrument onboard LRO for the detection of local spots of suppression and excess of epithermal neutron emission at the lunar poles. Twelve local Neutron Suppression Regions (NSRs) and Neutron Excess Regions (NERs) are detected. It is shown using the data from the LOLA and Diviner instruments that six NSRs have the empirical property "less local irradiation and lower temperature - fewer local neutrons." These NSRs may be identified with spots of water-ice rich permafrost on the Moon. It is shown that detected NSRs are include in both permanently shadowed and illuminated areas, and they are not coincident with Permanently Shadowed Regions (PSRs) at the bottom of polar craters, as has been commonly expected before LEND presented neutron data with high spatial resolution.

Original languageEnglish (US)
Article numberE00H27
JournalJournal of Geophysical Research: Space Physics
Volume117
Issue number7
DOIs
StatePublished - 2012

Fingerprint

permafrost
Permafrost
Moon
natural satellites
Neutrons
neutrons
Water
Testing
retarding
water
lunar orbit and landing simulators
Neutron emission
neutron emission
Ice
crater
moon
craters
irradiation
spatial resolution
Poles

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science

Cite this

Testing polar spots of water-rich permafrost on the moon : LEND observations onboard LRO. / Mitrofanov, I.; Litvak, M.; Sanin, A.; Malakhov, A.; Golovin, D.; Boynton, William V.; Droege, G.; Chin, G.; Evans, L.; Harshman, K.; Fedosov, F.; Garvin, J.; Kozyrev, A.; McClanahan, T.; Milikh, G.; Mokrousov, M.; Starr, R.; Sagdeev, R.; Shevchenko, V.; Shvetsov, V.; Tret'yakov, V.; Trombka, J.; Varenikov, A.; Vostrukhin, A.

In: Journal of Geophysical Research: Space Physics, Vol. 117, No. 7, E00H27, 2012.

Research output: Contribution to journalArticle

Mitrofanov, I, Litvak, M, Sanin, A, Malakhov, A, Golovin, D, Boynton, WV, Droege, G, Chin, G, Evans, L, Harshman, K, Fedosov, F, Garvin, J, Kozyrev, A, McClanahan, T, Milikh, G, Mokrousov, M, Starr, R, Sagdeev, R, Shevchenko, V, Shvetsov, V, Tret'yakov, V, Trombka, J, Varenikov, A & Vostrukhin, A 2012, 'Testing polar spots of water-rich permafrost on the moon: LEND observations onboard LRO', Journal of Geophysical Research: Space Physics, vol. 117, no. 7, E00H27. https://doi.org/10.1029/2011JE003956
Mitrofanov, I. ; Litvak, M. ; Sanin, A. ; Malakhov, A. ; Golovin, D. ; Boynton, William V. ; Droege, G. ; Chin, G. ; Evans, L. ; Harshman, K. ; Fedosov, F. ; Garvin, J. ; Kozyrev, A. ; McClanahan, T. ; Milikh, G. ; Mokrousov, M. ; Starr, R. ; Sagdeev, R. ; Shevchenko, V. ; Shvetsov, V. ; Tret'yakov, V. ; Trombka, J. ; Varenikov, A. ; Vostrukhin, A. / Testing polar spots of water-rich permafrost on the moon : LEND observations onboard LRO. In: Journal of Geophysical Research: Space Physics. 2012 ; Vol. 117, No. 7.
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T2 - LEND observations onboard LRO

AU - Mitrofanov, I.

AU - Litvak, M.

AU - Sanin, A.

AU - Malakhov, A.

AU - Golovin, D.

AU - Boynton, William V.

AU - Droege, G.

AU - Chin, G.

AU - Evans, L.

AU - Harshman, K.

AU - Fedosov, F.

AU - Garvin, J.

AU - Kozyrev, A.

AU - McClanahan, T.

AU - Milikh, G.

AU - Mokrousov, M.

AU - Starr, R.

AU - Sagdeev, R.

AU - Shevchenko, V.

AU - Shvetsov, V.

AU - Tret'yakov, V.

AU - Trombka, J.

AU - Varenikov, A.

AU - Vostrukhin, A.

PY - 2012

Y1 - 2012

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AB - [1] Results are presented for the LEND instrument onboard LRO for the detection of local spots of suppression and excess of epithermal neutron emission at the lunar poles. Twelve local Neutron Suppression Regions (NSRs) and Neutron Excess Regions (NERs) are detected. It is shown using the data from the LOLA and Diviner instruments that six NSRs have the empirical property "less local irradiation and lower temperature - fewer local neutrons." These NSRs may be identified with spots of water-ice rich permafrost on the Moon. It is shown that detected NSRs are include in both permanently shadowed and illuminated areas, and they are not coincident with Permanently Shadowed Regions (PSRs) at the bottom of polar craters, as has been commonly expected before LEND presented neutron data with high spatial resolution.

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