Close up observation and inversion of low-altitude ENA emissions during a substorm event
During a series of substorm events on November 12 2004, the Neutral Atom Detector Unit (NUADU) flying onboard the TC-2 spacecraft observed, close to perigee, bright low-altitude Energetic Neutral Atom (ENA) emissions from both north and south poles. Through utilizing high temporal and spatial resolu...
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| Veröffentlicht in: | Science China. Earth sciences 2019-06, Vol.62 (6), p.1024-1032 |
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| creator | Lu, Li McKenna-Lawlor, Susan Balaz, Jan |
| description | During a series of substorm events on November 12 2004, the Neutral Atom Detector Unit (NUADU) flying onboard the TC-2 spacecraft observed, close to perigee, bright low-altitude Energetic Neutral Atom (ENA) emissions from both north and south poles. Through utilizing high temporal and spatial resolution data inversion techniques we present here a global view the associated processes of energetic ion deposition and injection at the uniquely high temporal resolution of a few minutes. It is demonstrated that the ENA emissions observed came mainly from the, low-altitude, high magnetic latitude polar region. Since precipitating ions follow magnetic field lines and have more chance to produce ENA emissions through charge exchange there. Therefore, the employment of a low-orbit satellite to record at high temporal and spatial resolution ENA image data is inferred to be the best way to monitor those dynamic ring current variations that occur during geomagnetic activity. |
| doi_str_mv | 10.1007/s11430-018-9307-x |
| format | Article |
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Through utilizing high temporal and spatial resolution data inversion techniques we present here a global view the associated processes of energetic ion deposition and injection at the uniquely high temporal resolution of a few minutes. It is demonstrated that the ENA emissions observed came mainly from the, low-altitude, high magnetic latitude polar region. Since precipitating ions follow magnetic field lines and have more chance to produce ENA emissions through charge exchange there. Therefore, the employment of a low-orbit satellite to record at high temporal and spatial resolution ENA image data is inferred to be the best way to monitor those dynamic ring current variations that occur during geomagnetic activity.</description><identifier>ISSN: 1674-7313</identifier><identifier>EISSN: 1869-1897</identifier><identifier>DOI: 10.1007/s11430-018-9307-x</identifier><language>eng</language><publisher>Beijing: Science China Press</publisher><subject>Altitude ; Charge exchange ; Earth and Environmental Science ; Earth science ; Earth Sciences ; Emissions ; Flight ; Geomagnetic activity ; Geomagnetism ; Low altitude ; Magnetic field ; Magnetic fields ; Polar environments ; Polar regions ; Radiation ; Research Paper ; Resolution ; Ring currents ; Satellites ; Spacecraft ; Spatial data ; Spatial discrimination ; Spatial resolution ; Temporal resolution</subject><ispartof>Science China. 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Earth sciences</title><addtitle>Sci. China Earth Sci</addtitle><description>During a series of substorm events on November 12 2004, the Neutral Atom Detector Unit (NUADU) flying onboard the TC-2 spacecraft observed, close to perigee, bright low-altitude Energetic Neutral Atom (ENA) emissions from both north and south poles. Through utilizing high temporal and spatial resolution data inversion techniques we present here a global view the associated processes of energetic ion deposition and injection at the uniquely high temporal resolution of a few minutes. It is demonstrated that the ENA emissions observed came mainly from the, low-altitude, high magnetic latitude polar region. Since precipitating ions follow magnetic field lines and have more chance to produce ENA emissions through charge exchange there. Therefore, the employment of a low-orbit satellite to record at high temporal and spatial resolution ENA image data is inferred to be the best way to monitor those dynamic ring current variations that occur during geomagnetic activity.</description><subject>Altitude</subject><subject>Charge exchange</subject><subject>Earth and Environmental Science</subject><subject>Earth science</subject><subject>Earth Sciences</subject><subject>Emissions</subject><subject>Flight</subject><subject>Geomagnetic activity</subject><subject>Geomagnetism</subject><subject>Low altitude</subject><subject>Magnetic field</subject><subject>Magnetic fields</subject><subject>Polar environments</subject><subject>Polar regions</subject><subject>Radiation</subject><subject>Research Paper</subject><subject>Resolution</subject><subject>Ring currents</subject><subject>Satellites</subject><subject>Spacecraft</subject><subject>Spatial data</subject><subject>Spatial discrimination</subject><subject>Spatial resolution</subject><subject>Temporal resolution</subject><issn>1674-7313</issn><issn>1869-1897</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1UE1LAzEQDaJgqf0B3gKeo5lNdpMcS6kfUPSi4C2km0S2bDc12a3135tlBU_OZebx5r1hHkLXQG-BUnGXADijhIIkilFBTmdoBrJSBKQS53muBCeCAbtEi5R2NBfLTCFm6H3VhuTwcMBhm1w8mr4JHTadxU13dDGNKHjchi9i2r7pB-vw-nmJ3b5JI5mwHWLTfWCD07BNfYh77I6u66_QhTdtcovfPkdv9-vX1SPZvDw8rZYbUjOoeuJqLuuCeVN4JQSnlkNhHVNMel8pLstthtY7pcqSi1pWvlBWUWasqRljlM3RzeR7iOFzcKnXuzDELp_UBcgSuAKq8hZMW3UMKUXn9SE2exO_NVA9ZqinDHXOUI8Z6lPWFJMmHcYPXfxz_l_0A88fdPQ</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Lu, Li</creator><creator>McKenna-Lawlor, Susan</creator><creator>Balaz, Jan</creator><general>Science China Press</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>M2P</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope></search><sort><creationdate>20190601</creationdate><title>Close up observation and inversion of low-altitude ENA emissions during a substorm event</title><author>Lu, Li ; 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Earth sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lu, Li</au><au>McKenna-Lawlor, Susan</au><au>Balaz, Jan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Close up observation and inversion of low-altitude ENA emissions during a substorm event</atitle><jtitle>Science China. Earth sciences</jtitle><stitle>Sci. China Earth Sci</stitle><date>2019-06-01</date><risdate>2019</risdate><volume>62</volume><issue>6</issue><spage>1024</spage><epage>1032</epage><pages>1024-1032</pages><issn>1674-7313</issn><eissn>1869-1897</eissn><abstract>During a series of substorm events on November 12 2004, the Neutral Atom Detector Unit (NUADU) flying onboard the TC-2 spacecraft observed, close to perigee, bright low-altitude Energetic Neutral Atom (ENA) emissions from both north and south poles. Through utilizing high temporal and spatial resolution data inversion techniques we present here a global view the associated processes of energetic ion deposition and injection at the uniquely high temporal resolution of a few minutes. It is demonstrated that the ENA emissions observed came mainly from the, low-altitude, high magnetic latitude polar region. Since precipitating ions follow magnetic field lines and have more chance to produce ENA emissions through charge exchange there. Therefore, the employment of a low-orbit satellite to record at high temporal and spatial resolution ENA image data is inferred to be the best way to monitor those dynamic ring current variations that occur during geomagnetic activity.</abstract><cop>Beijing</cop><pub>Science China Press</pub><doi>10.1007/s11430-018-9307-x</doi><tpages>9</tpages></addata></record> |
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| subjects | Altitude Charge exchange Earth and Environmental Science Earth science Earth Sciences Emissions Flight Geomagnetic activity Geomagnetism Low altitude Magnetic field Magnetic fields Polar environments Polar regions Radiation Research Paper Resolution Ring currents Satellites Spacecraft Spatial data Spatial discrimination Spatial resolution Temporal resolution |
| title | Close up observation and inversion of low-altitude ENA emissions during a substorm event |
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