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24

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25

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2001 ø 2 ù 15 úGµû·¦Gs÷h¾# f 4-25 ˆH2001 ø 2 ù 15 ú ˆ EISCAT •V–V.?@AB”&123H&1±
3Hµ¶·±3Hµ¶·«3qÂ;Ef 4-26 ˆ ACE ˜55?@\” IMF qÂ;Ef
4-27 ˆ 2001 ø 2 ù 15 úG EISCAT óVô†oïMB”H&123H&1±3Hµ¶·±3Hµ¶·«3q03c[ˆ·o8\”fqÂ;Ef 4-27 q¼½<[&1±3[&123ˆbDC/H4-1 ü.Â\”µû·¦G$—%„} 4-2-1 ü.îÿ\”µû·¦[&ãˆH&123[&1±3/Ð#jˆd•CD<E™”0&1234%„.G&1±3ˆbDC/H0&1234%5ÓÔ)7H&ÊæüH&Ê?@ñVò.u<H2001 ø 2 ù 13 úG 900 UT LM 1000 UT²í3~•./0&1234%G9:5ÎMB<”Ÿµû·¦[\C°ð\CD<5HFG~•./0&123

4%G9:/ÎMBdD´G03 350 km G±3 2600 K [þÿ;<[xMLˆÑ¿d•CD<E# ôµ+ 2 ./HÉ’ E .Â\”…-G†3ˆHµ¶·±3/&123}&1±3[/j»5ÎMB7H0&1234%5ÓÔ;<4%}H‹oŒ•5u<4%[/×jkˆE¤\CD<E(2001 ø 2 ù 15 úG8G03G˜…G~•./Hôµ+ 1G†3ˆµ¶·±35ô<™•CD<«3^u<E)4-2-3

ôµ+ 3!$—%„.&123[&1±35Ð#j.Hµ¶·±# # #350&1234%„.tÍ\CD<^GE(ESR ¿‰G?@.
ó 0 µû·¦ E)# FGôµ+ˆbDC/H4-1 ü.m½”H2003 ø 3 ù 27 ú[ 2004 ø 3 ù 13 úG 2µû·¦.ÎMB”Ef 4-13Hf 4-14Hf 4-19Hf 4-20 G ESR G?@4%q¼½<[H&123[&1±3Gjk/Hôµ+ 1 }ôµ+ 2 [&ãˆHÐ#jˆd•CD<E
4-1-2 üH4-1-3 ü.^m½”5H0&1234%„G&1±3/H0&1234%£G±3†oÈ5•CD”EFGF[^ôµ+ 1 }ôµ+ 2 [&Ê.u<E&123[µ¶·±3GjkˆbDC/Hf 4-13Hf 4-14Hf 4-19Hf 4-20 G ESR G?@4%q¼½<[H0&1234%„./µ¶·±35tÍ\CD<F[5øL<E29

4-2-4

ôµ+ 4:&123[&1±3G#j5%¿H&1235µ¶·±
3G0D[F .ÕÖ\CD<^GE(ESR ¿‰G?@.ó 3 µû·¦E)2000 ø 7 ù 15 úGµû·¦Gs÷h¾# FGôµ+/H&123[µ¶·±3Gjk58G 3 bGôµ+†o×v.u<5H&123[&1±3Gjk5%DF[5uÕMB<E# f 4-28 ˆH2000 ø 7 ù 15 ú ˆ EISCAT •V–V.?@AB”&123H&1±
3Hµ¶·±3Hµ¶·«3qÂ;Ef 4-29 ˆ ACE ˜55?@\”&ÊúG IMF q
Â;Ef 4-30 ˆ 2000 ø 7 ù 15 úG EISCAT óVô†oïMB”H&123H&1±3Hµ¶·±3Hµ¶·«3q03c[ˆ·o8\”fqÂ;Ef 4-31 [f 4-32 ˆ
f 4-30 .ÎMB<0&1234%G¸[UBqTž†3ˆ·o8\HvG~•ˆ

T™B<óVôˆbDCH&123[&1±3GjkH&123[µ¶·±3GjkqvBÃBÂ;Ef 4-30Hf 4-31Hf 4-32 q¼½<[H03 300 km †oÑ«3²Ñ
03´./&1235&1±3[[^ˆtÍ\Cno0&1234%/H&1G‹oŒ•ˆ†oyzAB”^G[ÞøB<E\L\H03 300 km †o0«3(003)./H&123[&1±3/×jkˆE¤\CD<ELøoˆH&123[×jk.u•”µ¶·±35H&123GÑD[F .ÍÎˆtÍ\CD<E03 300 km †ot.
/H‹oŒ•GÒ¾ˆ†o^Hµ¶·±3GtÍˆ†<H&1GghiGÒ¾5à¿d•CD<[ÞøB<E# 0&1234%„…[vGËÌG&1±3G£ÉAq0&1234%5×D[F[þ½<E03 400 km †otG4%GH&1±3†o^µ¶·±3G65&12
3[Gjk5àD4%./H0&1234%„§‡vGËÌG&1±3/H0&1234%5×D4%†o0DE0&1234%5×D4%G±3[\CH2000 ø
7 ù 15 úG 900 UT LM 1000 UT G•G¯¼\”&1±3H400 km . 3200 K qu
Õ<E$6789:;<0&1234%5u< 430 UT LM 600 UT ËÌ./ 3200
K LHvBÇtG&1±3.u<E03 400 km ÇÈG&123[&1±3Gjk
5µ¶·±3[Gjk†o^àD4%ˆnDC^H0&1234%5u<4%G6
5×D4%†o^&1±35tÍ\CD<EFG5G&'(/8Gôµ+G5[ÀdoúÀˆ†<&'5¢øBCD<;<.u<F[ˆ¸Ê\Cõcˆsö;<F[5k!.u<E&1G‹oŒ•ˆ†o&'(5YŒAB””Ÿ[ÞøB<E30

4-2-5# 4-2 üG™[Ÿ4-2 ü./H$—%G=ˆu<H0&1234%ˆbDCH‹oŒ•}H&³ˆ¸¹\Cm½”E(1) ôµ+ 1Hôµ+ 2Hôµ+ 3 ./$—%G=./H&123[&1±35Ð#j
ˆd<E(2) ôµ+ 1Hôµ+ 2Hôµ+ 3 ./µ¶·±3/vBÃBôµ+.ëìD5í•CD”²&1±3[&123/ 3 ôµ+[^Ð#j.u•”´EFBMGµû·¦./µ¶·±3GtÍÈ‹/&123}&1±3ˆ£ÉdYZq[mCDdDst•
5u<E(3) ôµ+ 4 ./H&123[µ¶·±3GÐ#j5Îm”5&1±3[Gjk5Î
MBdL•”EFB/µ¶·±3GtÍˆ†oHµ¶·[&1Gghi;<YZG
65H&1G‹oŒ•ˆ†o&1235tÍ;<YZ†o^à¿Îm””Ÿ[ÞøB<E
4-3# )*+ËÌ.G&123H&1±3Hµ¶·±3Gýºaþÿ# 4-3 ü./0&1234%q)*+ËÌ.?@.É” 2000 ø 11 ù 27 úGµû·¦[0&1234%59:qžŸ”]ÁG~•q›mMB” 2003 ø 5 ù 28 úGµû·¦ˆbDCm½<EdnFGæ.Â;1¨¥.H&123H&1±3Hµ¶·±3q03c[ˆ·o8\”fˆbDC/H2004 ø 2 ú 11 ú[&Ê6'.9:¯¼q[•”óVôqðDCD<4-3-1# 2000 ø 11 ù 27 úGµû·¦Gs÷h¾# f 4-33 ˆH2000 ø 11 ù 27 ú ˆ EISCAT •V–V.?@AB”&123H&1±3Hµ¶·±3Hµ¶·«3qÂ;Ef 4-34 ˆ ACE ˜55?@\”&ÊúG IMF
qÂ;Ef 4-35 ˆ 2000 ø 11 ù 27 úG EISCAT óVô†oïMB”H&123H&
1±3Hµ¶·±3Hµ¶·«3q03c[ˆ·o8\”fqÂ;Ef 4-30 qÎ<[H&123GtÍ/H&1±3GtÍ[[^ˆ±F•CD<F[5ÎCœB<EFB/
4-1 ü.m½”H2004 ø 2 ù 11 ú} 2004 ø 3 ù 13 ú[&ÊŽ•.u<E0&1
234%59:\/ÊŸ”yz[)*+ˆbDCþÿ;<E2000 ø 11 ù 27 úGµ31û·¦ˆbDC/Hab[2001] . DMSP ˜5G‹ÈŠ1LM)*+GyzqŽý\CD<EvGh¾qkð;<[H)*+GÑ«3rsGyz/ 925 UT .«3 75.6
3²VHF G03.O 450 km´.u•”Ef 4-35 q¼½<[H900 UT ËÌG0&12
34%/H03 260 km †o«3GÑD4%.yzABCD<Eab[2001]5R8\”)*+GÑ«3rsGyzG~•E:ql÷\C^H0&1234%/H)*+GÑ«3irs†oÑ«3.yzAB/ÊŸCD<E2004 ø 2 ù 11 úGµû·¦.
/H)*+GÑ«3irsGyz[0&1234%5yzAB/ÊŸ<yz5H¸W˜X\CD”F[[/HÀd<h¾.u<E

32

4-3-2# 2003 ø 5 ù 28 úGµû·¦Gs÷h¾# f 4-36 ˆH2003 ø 5 ù 28 ú ˆ EISCAT •V–V.?@AB”&123H&1±
3Hµ¶·±3Hµ¶·«3qÂ;Ef 4-37 ˆ ACE ˜55?@\”&ÊúG IMF q
Â;Ef 4-38 ˆ 2003 ø 5 ù 28 úG EISCAT óVô†oïMB”H&123H&1±3Hµ¶·±3Hµ¶·«3q03c[ˆ·o8\”fqÂ;Ef 4-36 Gµ¶·±3q¼½<[H1000 UT G03 400 km ËÌLMH1030 UT G03 200 km ËÌG 2¹qhU¿Ùft†o0D«3.µ¶·±35tÍ\CD<Eµ¶·±35tÍ\C
D<4%G&1±3q¼½<[H&1±3^tÍ\CD<E™”&Ê4%.&123q¼½<[µ¶·±35tÍ\”4%ËÌ.0&1234%G9:5ÎCœB
<E# f 4-38 G=G G } H .Â\”0&1234%G„£q¼½C•<[E&123/&1±3[[^ˆtÍ\CD<EG } H .Â\”0&1234%Gµ¶·±3G„£ˆbDC¼½C•<[H0&1234%G„….µ¶·±35tÍ\CD<Eµ¶·±3GtÍ/HG .Â\”0&1234%.O 600 KHH .Â\”0&123
4%.O 1000 K GtÍ.u•”EFBMG&1±3}µ¶·±3G~•¬•-®
/H2004 ø 2 ù 11 úGµû·¦[&ã.u<E
4-3-3# 4-3 üG™[Ÿ(1) )*+ËÌ}0&1234%5yzAB/ÊŸ”«3./H&123/&1±
3["ˆtÍ\CD”E(2) µ¶·±3G~•¬•-®/H2003 ø 5 ù 28 úµû·¦./H0&1234%
G„….tÍ\CD”E(3) 0&1234%5yzAB/ÊŸ”«3/H2000 ø 11 ù 27 úGµû·¦./H)*+†oÑ«3iˆu•”E2003 ø 5 ù 28 úGµû·¦./Hµ¶·±35t
Í\CD<4%ËÌˆu•”E33

4-3-2# 2003 ø 5 ù 28 úGµû·¦Gs÷h¾# f 4-36 ˆH2003 ø 5 ù 28 ú ˆ EISCAT •V–V.?@AB”&123H&1±3Hµ¶·±3Hµ¶·«3qÂ;Ef 4-37 ˆ ACE ˜55?@\”&ÊúG IMF
qÂ;Ef 4-38 ˆ 2003 ø 5 ù 28 úG EISCAT óVô†oïMB”H&123H&
1±3Hµ¶·±3Hµ¶·«3q03c[ˆ·o8\”fqÂ;Ef 4-36 Gµ¶·±3q¼½<[H1000 UT G03 400 km ËÌLMH1030 UT G03 200 km ËÌG
2 ¹qhU¿Ùft†o0D«3.µ¶·±35tÍ\CD<Eµ¶·±35tÍ
\CD<4%G&1±3q¼½<[H&1±3^tÍ\CD<E™”&Ê4%.&1
23q¼½<[µ¶·±35tÍ\”4%ËÌ.0&1234%G9:5ÎCœ
B<E# f 4-38 G=G G } H .Â\”0&1234%G„£q¼½C•<[E&123/&1±3[[^ˆtÍ\CD<EG } H .Â\”0&1234%Gµ¶·±3G„£ˆbDC¼½C•<[H0&1234%G„….µ¶·±35tÍ\CD<Eµ¶·±3GtÍ/HG .Â\”0&1234%.O 600 KHH .Â\”0&123
4%.O 1000 K GtÍ.u•”EFBMG&1±3}µ¶·±3G~•¬•-®
/H2004 ø 2 ù 11 úGµû·¦[&ã.u<E
4-3-3 # 4-3 üG™[Ÿ(1) )*+ËÌ}0&1234%5yzAB/ÊŸ”«3./H&123/&1±
3["ˆtÍ\CD”E(2) µ¶·±3G~•¬•-®/H2003 ø 5 ù 28 úµû·¦./H0&1234%
G„….tÍ\CD”E(3) 0&1234%5yzAB/ÊŸ”«3/H2000 ø 11 ù 27 úGµû·¦./H)*+†oÑ«3iˆu•”E2003 ø 5 ù 28 úGµû·¦./Hµ¶·±35t
Í\CD<4%ËÌˆu•”E33

f 4-1-a# 2004 ø 2 ø 11 úˆ EISCAT •V–V.?@AB”&123G~•E:E
ÇÆ503H¶Æ5~•(UT)qÂ;EtiGf/ ESRHÈiGf/ VHF G&123qÂ;EG¶ˆ
&123G*”VTqÂ;E½ÈGÉ’.Â\”~•ˆ9:•0&1234%5?@ABCD<E

f 4-1-b 2004 ø 2 ù 11 úˆ EISCAT •V–V.?@AB”&1±3G~•E:E
ÇÆ503H¶Æ5~•(UT)qÂ;EtiGf/ ESRHÈiGf/ VHF G&123qÂ;EG¶ˆ
&1±3G*”VTqÂ;E½ÈGÉ’.Â\”4%†o0«3.&1±35ÍÎˆtÍ\CD<E

34

f 4-1-c# 2004 ø 2 ù 11 úˆ EISCAT •V–V.?@AB”µ¶·±3G~•E:E
ÇÆ503H¶Æ5~•(UT)qÂ;EtiGf/ ESRHÈiGf/ VHF Gµ¶·±3qÂ;EG¶ˆµ¶·±3G*”VTqÂ;E½ÈGÉ’.Â\”4%.µ¶·±35ÍÎˆtÍ\CD<E

f 4-1-d# 2004 ø 2 ù 11 úˆ EISCAT •V–V.?@AB”µ¶·«3G~•E:E
ÇÆ503H¶Æ5~•(UT)qÂ;EtiGf/ ESRHÈiGf/ VHF Gµ¶·«3qÂ;EG¶ˆµ¶·±3G*”VTqÂ;E35

f 4-2# ACE ˜5G?@ˆ†< 2004 ø 2 ù 11 ú 0000 UT LM 1800 UT ™.GIJKP³( nT ) EtLMØˆ BxHByHBz q>;E36

A

f 4-3 2004 ø 2 ù 11 ú 1130 UT LM 1300 UT ˆ VHF . 385 km LM 640 km ˆnDC?@\”H¶03ˆn‰<wr•¨UVôVE¶Æ UTEÇÆˆ&123q½f.H&1±3q{f.Hµ¶·±3qßf.Â\CD<EGiˆu<
Fç/vBÃBG•¨UVôVG+•´¦\”y•qÂ\CD<²{È. 4000ø2000 410 km [uBWH
03 410km ˆn‰<&1±3q 4000K LM 2000K Gy•.¹f[¹fG•ˆÂ\CD<´A .Â\”~•ˆ¸¹;<9:•0&1234%5u<E37A

f 4-4 2004 ø 2 ù 11 úˆ ESR . 265 km LM 465 km ˆnDC?@\”H¶03ˆn‰<wr•¨UVôVE¶Æ UTEÇÆˆ&123q½f.H&1±3q{f.Hµ¶·±3qßf.Â\CD<E
Giˆu<Fç/vBÃBG•¨UVôVG+•´¦\”y•qÂ\CD<²{È. 4000ø2000 410
km [uBWH03 410km ˆn‰<&1±3q 4000K LM 2000K Gy•.¹f[¹fG•ˆÂ\C
D<´A .Â\”~•ˆ¸¹;<9:•0&1234%5u<E38f 4-5# 2004 ø 2 ù 11 úG 1157 UT LM 1228 UT ˆnDC ESR [ VHF .?@AB”0&1234%.G0
3c[G&123(½)H&1±3({)Hµ¶·±3(ß)G~•E:E¶fG¶Æ/UTHÇÆ/&123H&1±3Hµ¶·±3ˆ½¾;<Eti 12 M5ESRGÈi 12 M5VHF
G?@h¾qÂ;Eµ¶·±3/VHF./ 1000 KLM 3000 KHESR./ 800KLM 1500KE&1±3/VHF./
1000 KLM 4000 KHESR./ 1000KLM 2400K&123/VHF./ 1010.2LM 1011.6m-3HESR./ 1010.4LM
1011.6m-3Gy•qÂ;Ef 4-3Hf 4-4 =ˆA.Â\”~•39

G9:•0&1234%qÂ;Ef 4-6 2004 ø 2 ù 11 úG 1157 UTLM 1220 UTˆnDCVHF.?@AB”0&1234%„.G03c[G&123[&1±3GjkE¶Æq&123²10.2 m-3LM 11.6 m-3Gy•´HÇÆq
&1±3²1000 KLM 4000 KGy•´ˆ[<Ef 4-7

2004 ø 2 ù 11 úG 1157 UTLM 1220 UTˆnDCVHF.?@AB”0&1234%„.G03c[G&123[µ¶·±3GjkE¶Æq&123²10.2 m-3LM 11.6 m-3Gy•´HÇÆqµ¶·±3²500 KLM 2500 KGy•´ˆ[<E40f 4-8 2004 ø 2 ù 11 úG ESR .?@AB”03c[G&123[&1±3GjkE¶Æq&123²10.2 m-3LM 11.6 m-3Gy•´HÇÆq&1±3²1000 KLM 4000 KGy•´ˆ[<Ef 4-9 # 2004 ø 2 ù 11 úGESR.?@AB”03c[G&123[µ¶·±3GjkE¶Æq&

123( m-3 )HÇÆqµ¶·±3( K ) ˆ[<E¶Æq&123²10.2 m-3LM 11.6 m-3Gy•´HÇÆq
&1±3²800 KLM 1600 KGy•´ˆ[<E41f 4-10-a 2004 ø 3 ù 13 úˆ EISCAT •V–V.?@AB”&123G~•E:E
ÇÆ503H¶Æ5~•qÂ;EtiGf/ ESRHÈiGf/ VHF G&123qÂ;EG¶ˆ&123G*”VTqÂ;E½ÈGÉ’.Â\”~•ˆ9:•0&1234%5?@A

BCD<E

f 4-10-b 2004 ø 3 ù 13 úˆ EISCAT •V–V.?@AB”&1±3G~•E:E
ÇÆ503H¶Æ5~•qÂ;EtiGf/ ESRHÈiGf/ VHF G&123qÂ;EG¶ˆ&1±3G*”VTqÂ;E42

f 4-10-c# 2004 ø 3 ù 13 úˆ EISCAT •V–V.?@AB”µ¶·±3G~•E:E
ÇÆ503H¶Æ5~•qÂ;EtiGf/ ESR ÈiGf/ VHF Gµ¶·±3qÂ;EG¶ˆµ¶·±3G*”VTqÂ;E½ÈGÉ’.Â\”«3†o0«3.µ¶·±35,-†o0D4%5?@AB”E

f 4-11# ACE ˜5G?@ˆ†< 2004 ø 3 ù 13 ú 0000 UT LM 1800 UT GIJKP³( nT)EtLMØˆ

BxHByHBz q>;E

43

B

7:00

(UT)

8:30

f 4-12 2004 ø 3 ù 13 úG VHF . 280 km LM 635 km ˆnDC?@\”H¶03ˆn‰<wr•¨UVôVE¶Æ UTEÇÆˆ&123q½f.H&1±3q{f.Hµ¶·±3qßf.Â\CD<E
Giˆu<Fç/vBÃBG•¨UVôVG+•´¦\”y•qÂ\CD<²{È. 4000ø2000 410
km [uBWH03 410km ˆn‰<&1±3q 4000K LM 2000K Gy•.¹f[¹fG•ˆÂ\C
D<´EB .Â\”~• ˆ¸¹;<9:•0&1234%5u<E

44

B

7:00
f 4-13

8:30(UT)

2004 ø 3 ù 13 úG ESR . 210 km LM 465 km ˆnDC?@\”H¶03ˆn‰<wr•¨UVôVE¶Æ UTEÇÆˆ&123q½f.H&1±3q{f.Hµ¶·±3qßf.Â\CD<EGiˆu<
Fç/vBÃBG•¨UVôVG+•´¦\”y•qÂ\CD<²{È. 4000ø2000 410 km [uBWH
03 410km ˆn‰<&1±3q 4000 K LM 2000 K Gy•.¹f[¹fG•ˆÂ\CD<´EB .Â
\”~• ˆ¸¹;<9:•0&1234%5u<E45f 4-14# 2003 ø 3 ù 13 úˆ 713UT LM 746 UT ˆnDCHESR [ VHF .?@AB”H
0&1234%.G03c[G&123(½)H&1±3({)Hµ¶·±3(ß)G~•E:E¶fG¶Æ/UTHÇÆ/&123H&1±3Hµ¶·±3ˆ½¾;<Eti 12 M5ESRGÈi 12 M5VHF
G?@h¾qÂ;Eµ¶·±3/VHF./ 1000 KLM 3000 KHESR./ 1000KLM 1800KE&1±3/VHF.
/ 1000 KLM 4000 KHESR./ 1500KLM 3500K&123/VHF./ 1010.2LM 1011.6m-33ESR./ 1010.8LM
1011.3m-3Gy•.Â;Ef 4-12Hf 4-13 =ˆB.Â\”~•46

G9:•0&1234%qÂ;Ef 4-15 2004 ø 3 ù 13 úG 713 UT LM 746 UT ˆnDC ESR [ VHF .?@AB”0&1234%„.G0
3c[G&123[µ¶·±3GjkE
ti 12 M/ESR .HÈi 12 M/VHF.?@AB”^G.u<E¶Æq&123²VHF./ 10.0 m-3LM 11.3 m-3./HESR./ 10.7 m-3LM 11.3 m-3´HÇÆqµ¶·±3²VHF./ 1000 KLM 3500 KGy•HESR./ 1000 K
LM 1600 K´ˆ[<E47f 4-16-a# 2003 ø 3 ø 27 úˆ EISCAT •V–V.?@AB”&123G~•E:E
ÇÆ503H¶Æ5~•qÂ;EtiGf/ ESRHÈiGf/ VHF G&123qÂ;EG¶ˆ&123G*”VTqÂ;E½ÈGÉ’.Â\”~•ˆ9:•0&1234%5?@A

BCD<E

f 4-16-b# 2003 ø 3 ø 27 úˆ EISCAT •V–V.?@AB”&1±3G~•E:E
ÇÆ503H¶Æ5~•qÂ;EtiGf/ ESRHÈiGf/ VHF G&123qÂ;EG¶ˆ&1±3G*”VTqÂ;E48

f 4-16-c# 2003 ø 3 ø 27 úˆ EISCAT •V–V.?@AB”µ¶·±3G~•E:E
ÇÆ503H¶Æ5~•qÂ;EtiGf/ ESRHÈiGf/ VHF G&123qÂ;EG¶ˆ&1±3G*”VTqÂ;E

10
Bx
-10
10
By
-15
10
Bz
-15
0:00

18:00

f 4-17# ACE ˜5G?@ˆ†< 2003 ø 3 ù 27 úG 0000 UT LM 1800 UT GIJKP³( nT)E
tLMØˆ BxHByHBz q>;E49

C

f 4-18 2003 ø 3 ù 27 úG VHF . 210 km LM 625 km ˆnDC?@\”H¶03ˆn‰<wr•¨UVô
VE¶Æ UTEÇÆˆ&123q½f.H&1±3q{f.Hµ¶·±3qßf.Â\CD<EGiˆu<Fç/vBÃBG•¨UVôVG+•´¦\”y•qÂ\CD<²{È. 4000ø2000 410 km [uBWH03 410km ˆn‰<&1±3q 4000K LM 2000K Gy•.¹f[¹fG•ˆÂ\CD<´EB .Â\”~•0&1234%5u<E50ˆ¸¹;<9:•C

f 4-192004 ø 3 ù 13 úG ESR . 215 km LM 495 km ˆnDC?@\”H¶03ˆn‰<wr•¨UVô

VE¶Æ UTEÇÆˆ&123q½f.H&1±3q{f.Hµ¶·±3qßf.Â\CD<EGiˆu<Fç/vBÃBG•¨UVôVG+•´¦\”y•qÂ\CD<²{È. 4000ø2000 410 km [uBWH03 410km ˆn‰<&1±3q 4000K LM 2000K Gy•.¹f[¹fG•ˆÂ\CD<´EC .Â\”~•0&1234%5u<E51ˆ¸¹;<9:•f 4-20# 2003 ø 3 ù 27 úG 920UTLM 1042 UTˆnDCHESR[VHF.?@AB”H0&1234%G03c[G&123H&1±3Hµ¶·±3G~•E:E¶fG¶Æ/UTÇÆ/&123H&1±3Hµ¶·±3ˆ½¾;<Eti 12 M5ESRGÈi 12 M5VHFG?@h¾qÂ;Eµ¶·±3/VHF./ 1000 KLM 4500
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)l*+
;<# ;J, <=>?, |}V‚@ž´¦AB# CD^r~Ê, ¶V†E, 2000.
ab# FG, &'()*+4%ˆn‰<$6789:;<0&1234%G‘’(2001ø3pqè*), 2001.
f]# H1,# Polar˜5/CUTLASS•V–V/EISCAT•V–VqðD”$6789:;<¶V•¨=>G‘’ (2002ø3pqè*), 2002.
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2000.
67# J, K-# L, `M# -N, ~$G~ÊÆ, ¶V•¨[O0°£Q (KP$N‘’ßQ), RÄST, 1983.
Barton, C.E., International Geomagnetic Reference Field: The Seventh Generation, J.
Geomag. and Geoelectricity, 49, 123-148, 1997.
Berchem, J., and C. T. Russel, Flux transfer events on the magnetopause: Spatial
distribution and controlling factors, J. Geophys. Res., 89, 6689-6703, 1984.
Brekke, A., PHYSICS OF THE UPPER POLAR ATMOSPHERE, Praxis Publishing,
191-220, 1997.
Dungey, J.W., Interplanetary magnetic field and the auroral zones, Phys. Rev. Lett., 6,
47-48, 1961.
Kelley, M. C., The Earth's Ionosphere, Academic Pr, 463, 1989.
Lockwood, M., and M. N. Wild, On the quasi-periodic nature of magnetopause flux
transfer events, J. Geophys. Res, 98, 5,935-5,940, 1993.

77

Rijnbeek, R.P., S.W.H. Cowly, D.J.Southwood, and C.T.Russell, A survey of dayside
flux transfer events observed by the ISEE 1 and 2 magnetometers, J. Geophys. Res.,89,786-800, 1984.
Sandholt, P.E., C.S.Deehr, A. Egeland, B. Lybekk, R. Viereck, and G. J. Romick,
Signatures in the dayside aurora of plasma transfer from the magnetosheath, J.
Geophys. Res., 91, 10,063-10,079, 1986.
Schunk, R. W., and A. F. Nagy, Ionospheres: Physics, Plasma Physics, and Chemistry,
Cambridge University Press, 2000.
Southwood, D.J., Theoretical aspects of ionosphere-magnetosphere-solar wind coupling,in Physics of the ionosphere-Magentosphere, Adv. Space Res., 5, 4, 1985
Southwood, D.J., The ionospheric signature of flux transfer events, J. Geophys. Res., 92,
3,207-3,213, 1987.

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