$B2P@18=>]O@(B: $B2P@1Bg5$$ND,<.(B

$BCO5eN.BNEEG>6f3ZIt(B

1996 $BG/(B 5 $B7n(B 24 $BF|(B

$BL\

• $B%b!<%I$N
• $BD,<.GH$N7W;;Nc(B
• $B;29MJ88%(B

$B35MW(B:

$B2P@1$NBg5$D,<.$r354Q$9$k(B.

$B%b!<%I$N

$B2P@1$G$O(Bdust$B$,Bg5$Cf$KB8:_$7$FB@M[$+$i$NJ|

• Vertically propagating diurnal component($B1tD>EAGE$9$k(B1$BF|<~4|@.J,(B)

  $BDc0^EY$N$_$K@8$8$k(B. $B1tD>J}8~$NGHD9$OLs(B30km. $B>e6u$G?6I}$,Bg$-$/$J$k(B.

• Vertically trapped diurnal component($B1tD>EAGE$7$J$$(B1$BF|<~4|@.J,(B)

  $B9b0^EY$G82Cx(B. $B1tD>J}8~$K$OGH$N7A$r$7$F$$$J$$(B.

• Semidiurnal tidal component($BH>F|<~4|@.J,(B)

  $B$"$i$f$k0^EYBS$KB8:_$9$k(B. $B1tD>GHD9$OLs(B200km.

• Tidal components produced by topographic and nonlinear coupling

  $B>e$N#[email protected],$HCO7A$K$h$k(Bforcing$B$H$NAj8_:nMQ$K$h$j@8$8$k(B.

$BD,<.GH$N7W;;Nc(B

$B2P@1Bg5$$ND,<.$K$D$$$F$O0J2<$N$h$&$J7W;;Nc$,$"$k(B.

• Zurek(1976)

  Zurek(1976)$B$O2P@1$K$*$1$kD,<.GH$N7W;;$r9T$C$?(B. $B?^(B1$B$O$=$N7k2L$N0lNc$G$"$k(B. $B$3$N7W;;$O(B $L_s = 270^{\circ}$ $B$K$*$1$k%@%9%H$NL5$$2P@1Bg5$$K(B $B$*$1$kD,<.$K$D$$$F9T$C$?$b$N$G$"$k(B. $B?^(B1$B$K<($7$?$N$OD,<.$K$h$k5$29$NJQF0$G$"$k(B. $B=D<4$O(B
  

  $$z \equiv \ln \frac{\pi_0}{p}$$
  
  
  $B$G$"$i$o$5$l$?1tD><4$G$"$k(B. $\pi_0$ $B$OI=LL5$05$G(B, $p$$B$O3F9bEY$K$*$1$k5$05$G$"$k(B. $B$3$N?^$K$O@VF;$K$*$1$kD,<.GH(B( $\theta = 0$ ), $BKL0^(B19$BEY$K$*$1$kD,<.GH(B( $\theta = 19$ ), $BKL0^(B30$BEY$K$*$1$kD,<.GH(B( $\theta = 30$ ), $BKL0^(B55$BEY$K$*$1$kD,<.GH(B( $\theta = 55$ )$B$N(B4$B$D$N>l9g$,<($5$l$F$$$k(B. $B?^(B1$B$N:8?^$O$=$l$>$l$N0^EY$K$*$1$kD,<.GH$N?6I}$r(B $z$ $B$N4X?t$H$7$F(B $B$"$i$o$7$?$b$N$G$"$j(B, $B?^(B1$B1&?^$OD,<.GH$N?6I}$,:GBg$K$J$k;~4V$r(B $z$ $B$N4X?t$H$7$F$"$i$o$7$?$b$N$G$"$k(B. $B$3$N?^$+$iD,<.GH$N?6I}$O:GBg$G(B50K$B$KC#$9$k$3$H$,$o$+$k(B.
  
  $B?^(B1 $BD,<.GH$N7W;;Nc(B(Zurek(1976), fig 5)

  
  
  

• Leovy and Zurek(1979)

  Leovy and zurek(1979)$B$O(Btidal theory$B$r;H$C$F(B, $B2P@1Bg5$$K$*$1$k2CG.N($N1tD>9=B$(B: $J$ $B$HB@M[J| $B$r5a$a$?(B. $B$=$NJ}K!$r0J2<$K<($9(B.

  $B%P%$%-%s%0CeN&A%$N4QB,$K$h$j

  • $L_s = 140^{\circ}$

    $B%P%$%-%s%0#19f$,CeN&$7$F$+$i(B108$BF|L\$+$i(B112$BF|L\$^$G$KBP1~$9$k(B. $B$3$l$O(Bdust storm$B$,;O$^$kA0$N;~4|$G$"$k(B.

  • $L_s = 203^{\circ}$

    $B%P%$%-%s%0#19f$,CeN&$7$F$+$i(B202$BF|L\$+$i(B207$BF|L\$^$G$KBP1~$9$k(B. $B$3$l$O(Bdust storm$B$N3+;O4|$K$"$?$k(B.

  • $L_s = 208^{\circ}$

    $B%P%$%-%s%0#19f$,CeN&$7$F$+$i(B211$BF|L\$+$i(B216$BF|L\$^$G$KBP1~$9$k(B. $B$3$l$O(Bdust storm$B$N4|4VCf$K$"$?$k(B.

  • $L_s = 243^{\circ}$

    $B%P%$%-%s%0#19f$,CeN&$7$F$+$i(B266$BF|L\$+$i(B270$BF|L\$^$G$KBP1~$9$k(B. $B$3$l$O(Bdust storm$B$N=*N;4|$K$"$?$k(B.

  • $L_s = 279^{\circ}$

    $B%P%$%-%s%0#19f$,CeN&$7$F$+$i(B316$BF|L\$+$i(B321$BF|L\$^$G$KBP1~$9$k(B. $B$3$l$O%P%$%-%s%0#19f$,CeN&$7$F$+$i#2EYL\$N(Bdust storm$B$N4|4VCf$KEv$k(B.

  $B$=$N4QB,7k2L$rI=(B1$B$K<($9(B. ( )$B$NCf$N?t;z$O05NO$,:GBg$H$J$k(Blocal time$B$G$"$k(B.

  
  
  

  $B4|4V(B	$B4QB,$+$i5a$a$i$l$?D,<.GH$N?6I}(B
  	$B%P%$%-%s%0(B1$B9f$K$h$k4QB,(B		$B%P%$%-%s%0(B2$B9f$K$h$k4QB,(B
  	( $22.4^{\circ}N,48.0^{\circ}W$)		( $47.9^{\circ}N,225.8^{\circ}W$)
  	1$BF|<~4|@.J,(B	$BH>F|<~4|@.J,(B	1$BF|<~4|@.J,(B	$BH>F|<~4|@.J,(B
  $L_s = 140^{\circ}$	1.99(7.1)	1.86(10.5)	0.90(8.7)	0.39(10.5)
  $L_s = 203^{\circ}$	1.18(9.0)	1.31(10.3)	0.8(10.2)	0.7(09.3)
  $L_s = 208^{\circ}$	2.7(6.7)	3.8(10.1)	2.0(07.6)	0.9(09.2)
  $L_s = 243^{\circ}$	2.1(6.2)	1.8(10.7)	1.2(09.7)	0.9(09.0)
  $L_s = 279^{\circ}$	2.6(7.7)	4.0(11.3)	1.2(10.7)	1.1(09.0)

  
  
  
  $BI=(B1 $B4QB,$+$i5a$a$i$l$?D,<[email protected],(B (Leovy and Zurek(1979), table 3)

  
  
  Leovy and Zurek(1979)$B$O3F;~4|$K$*$$$F4QB,CM$r(B $B:G$bNI$/@bL@$9$k$3$H$N$G$-$k2CG.N($N1tD>9=B$(B: $J$ $B$H(B $BB@M[J| $B$r5a$a$?(B. $B$=$N$?$a2CG.N($N1tD>9=B$$O(B $J(I), J(II), J(III), J(I/II)$ $B$G(B $B$"$i$o$5$l$k(B4$BDj$7$?(B. $B$=$N$&$A$N(B3$B $J(I), J(II), J(III)$ $B$O?^(B2$B$K<($7$?$b$N$G$"$j(B, $B;D$j$N(B $J(I/II)$ $B$O(B
  

  $$J(I/II) = 0.6J(I)+0.4J(II)$$
  
  
  $B$GDj5A$5$l$k$b$N$G$"$k(B. $B$3$&$7$F(B, $B4QB,CM$r:G$bNI$/@bL@$9$k$3$H$N$G$-$k(B $B2CG.N($N1tD>9=B$(B: $J$ $B$HB@M[J| $B$NAH$r(B $B5a$a$?$N$,I=(B2$B$G$"$k(B. $BI=(B2$B$K$O7W;;$+$i5a$a$?D,<.GH$N?6I}$b=q$$$F$"$k(B. $BI=(B1$B$HF1MM$K(B( )$B$NCf$N?t;z$O05NO$,:GBg$H$J$k(Blocal time$B$G$"$k(B. $B$3$N7W;;$K$h$j(B, dust storm$B$K$J$k$HB@M[J|

  $B4|4V(B	$J$	$\alpha_s$	$BD,<.GH$N?6I}$N7W;;CM(B
  			$B%P%$%-%s%0(B1$B9f$NCOE@(B		$B%P%$%-%s%0(B2$B9f$NCOE@(B
  			( $22.4^{\circ}N,48.0^{\circ}W$)		( $47.9^{\circ}N,225.8^{\circ}W$)
  			1$BF|<~4|@.J,(B	$BH>F|<~4|@.J,(B	1$BF|<~4|@.J,(B	$BH>F|<~4|@.J,(B
  $L_s = 140^{\circ}$	$J(I/II)$	0.41	1.99(7.1)	1.86(10.5)	0.90(8.7)	0.39(10.5)
  $L_s = 203^{\circ}$	$J(II)$	0.27	1.18(9.0)	1.31(10.3)	0.8(10.2)	0.7(09.3)
  $L_s = 208^{\circ}$	$J(III)$	0.64	2.7(6.7)	3.8(10.1)	2.0(07.6)	0.9(09.2)
  $L_s = 243^{\circ}$	$J(II)$	0.38	2.1(6.2)	1.8(10.7)	1.2(09.7)	0.9(09.0)
  $L_s = 279^{\circ}$	$J(III)$	0.67	2.6(7.7)	4.0(11.3)	1.2(10.7)	1.1(09.0)

  
  
  $BI=(B2 $B7W;;$+$i5a$a$i$l$?D,<[email protected],(B (Leovy and Zurek(1979), table 3)
  
  $B?^(B2 $B7W;;$G2>Dj$9$k2CG.N($N1tD>9=B$(B (Leovy and Zurek(1979), fig 10)

$B;29MJ88%(B

Leovy, C.B., 1979: Martian Meteorology, Ann. Rev. Astron. Astrophys., 17, 387-413.

Leovy, C.B. and Zurek, R.W., 1979: Thermal tides and Martian dust storm: direct evidence for coupling, J.Geophys.Res., 84, 2956-2968.

Zurek, R.W., 1976: Diurnal tide in the Martian atmosphere, J. Atmos. Sci., 33, 321-337.

$B

$BK\9F$O(B 1989 $BG/$+$i(B 1993 $BG/$KEl5~Bg3XCO5eOG@1J*M}3X2J$G9T$o$l$F$$$?(B, $BN.BNM}O@%;%_%J!<$G$N%;%_%J!<%N!<%H$,$b$H$K$J$C$F$$$k(B. $B86:nHG$O@PEO@5]O@!W(B (1989/05/19) $B$G$"$j(B, $BNS>M2p$K$h$C$FCO5eN.BNEEG>6f3ZItHG!V2P@18=>]O@!W(B $B$H$7$F=q$-D>$5$l$?(B (1996/06/23). $B9=@.$H%G%P%C%0$K6(NO$7$F$/$l$?%;%_%J!<;22C $BK\;q8;$OCx:nZL5@UG$86B'(B).

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$$\mbox{dcstaff@gfd-dennou.org}$$

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