Observations of near-surface fog at the Phoenix Mars landing site
The Surface Stereo Imager (SSI) on the Phoenix Mars Lander was able to complement the operations of the LIDAR on four occasions during the mission by observing the laser beam while the LIDAR laser was transmitting. These SSI observations permitted measurement of the scatter from atmospheric aerosols...
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| Veröffentlicht in: | Geophysical research letters 2011-02, Vol.38 (4), p.np-n/a |
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| container_title | Geophysical research letters |
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| creator | Moores, John E. Komguem, Léonce Whiteway, James A. Lemmon, Mark T. Dickinson, Cameron Daerden, Frank |
| description | The Surface Stereo Imager (SSI) on the Phoenix Mars Lander was able to complement the operations of the LIDAR on four occasions during the mission by observing the laser beam while the LIDAR laser was transmitting. These SSI observations permitted measurement of the scatter from atmospheric aerosols below 200 m where the LIDAR emitter and receiver do not overlap fully. The observed laser scattering was used to estimate the ice‐water content (IWC) of near surface fog. Values of IWC up to 1.7 ± 1.0 mg m−3 were observed. Compared to air aloft, fog formation was inhibited near the surface which had accumulated at least 30 ± 24 mg m−2 (0.030 pr‐μm) on sol 113. Microphysical modeling shows that when precipitation is included, up to 0.48 pr‐μm of water may be present on the surface at the time of measurement. Integrated over the entire night, this represents up to 2.5 pr‐μm of water taken up diurnally by the surface, or 6% of the total water column. |
| doi_str_mv | 10.1029/2010GL046315 |
| format | Article |
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These SSI observations permitted measurement of the scatter from atmospheric aerosols below 200 m where the LIDAR emitter and receiver do not overlap fully. The observed laser scattering was used to estimate the ice‐water content (IWC) of near surface fog. Values of IWC up to 1.7 ± 1.0 mg m−3 were observed. Compared to air aloft, fog formation was inhibited near the surface which had accumulated at least 30 ± 24 mg m−2 (0.030 pr‐μm) on sol 113. Microphysical modeling shows that when precipitation is included, up to 0.48 pr‐μm of water may be present on the surface at the time of measurement. Integrated over the entire night, this represents up to 2.5 pr‐μm of water taken up diurnally by the surface, or 6% of the total water column.</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1029/2010GL046315</identifier><identifier>CODEN: GPRLAJ</identifier><language>eng</language><publisher>Washington, DC: Blackwell Publishing Ltd</publisher><subject>Aerosols ; Atmosphere ; Atmospheric sciences ; Atmospherics ; Clouds ; Complement ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Fog ; Geophysics ; Lasers ; Lidar ; Mars ; Phoenix ; Planetology ; Planets ; Scientific apparatus & instruments ; water ; Water circulation ; Water column ; Water content</subject><ispartof>Geophysical research letters, 2011-02, Vol.38 (4), p.np-n/a</ispartof><rights>Copyright 2011 by the American Geophysical Union.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright 2011 by the American Geophysical Union</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3706-d545aeb7ac8c046a30a49012fb776e8970b2ceddbbd48b76295b108e80a867dc3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1029%2F2010GL046315$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1029%2F2010GL046315$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,1433,11514,27924,27925,45574,45575,46409,46468,46833,46892</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28094775$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Moores, John E.</creatorcontrib><creatorcontrib>Komguem, Léonce</creatorcontrib><creatorcontrib>Whiteway, James A.</creatorcontrib><creatorcontrib>Lemmon, Mark T.</creatorcontrib><creatorcontrib>Dickinson, Cameron</creatorcontrib><creatorcontrib>Daerden, Frank</creatorcontrib><title>Observations of near-surface fog at the Phoenix Mars landing site</title><title>Geophysical research letters</title><addtitle>Geophys. Res. Lett</addtitle><description>The Surface Stereo Imager (SSI) on the Phoenix Mars Lander was able to complement the operations of the LIDAR on four occasions during the mission by observing the laser beam while the LIDAR laser was transmitting. These SSI observations permitted measurement of the scatter from atmospheric aerosols below 200 m where the LIDAR emitter and receiver do not overlap fully. The observed laser scattering was used to estimate the ice‐water content (IWC) of near surface fog. Values of IWC up to 1.7 ± 1.0 mg m−3 were observed. Compared to air aloft, fog formation was inhibited near the surface which had accumulated at least 30 ± 24 mg m−2 (0.030 pr‐μm) on sol 113. Microphysical modeling shows that when precipitation is included, up to 0.48 pr‐μm of water may be present on the surface at the time of measurement. 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Res. Lett</addtitle><date>2011-02</date><risdate>2011</risdate><volume>38</volume><issue>4</issue><spage>np</spage><epage>n/a</epage><pages>np-n/a</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><coden>GPRLAJ</coden><abstract>The Surface Stereo Imager (SSI) on the Phoenix Mars Lander was able to complement the operations of the LIDAR on four occasions during the mission by observing the laser beam while the LIDAR laser was transmitting. These SSI observations permitted measurement of the scatter from atmospheric aerosols below 200 m where the LIDAR emitter and receiver do not overlap fully. The observed laser scattering was used to estimate the ice‐water content (IWC) of near surface fog. Values of IWC up to 1.7 ± 1.0 mg m−3 were observed. Compared to air aloft, fog formation was inhibited near the surface which had accumulated at least 30 ± 24 mg m−2 (0.030 pr‐μm) on sol 113. Microphysical modeling shows that when precipitation is included, up to 0.48 pr‐μm of water may be present on the surface at the time of measurement. Integrated over the entire night, this represents up to 2.5 pr‐μm of water taken up diurnally by the surface, or 6% of the total water column.</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/2010GL046315</doi><tpages>6</tpages></addata></record> |
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| subjects | Aerosols Atmosphere Atmospheric sciences Atmospherics Clouds Complement Earth sciences Earth, ocean, space Exact sciences and technology Fog Geophysics Lasers Lidar Mars Phoenix Planetology Planets Scientific apparatus & instruments water Water circulation Water column Water content |
| title | Observations of near-surface fog at the Phoenix Mars landing site |
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