᪥2-1-3-1᪥ᮏᾏᆅ㟈䞉ὠἼㄪᰝ㻟㻚 ὠἼ䛚䜘䜃ᙉ㟈ື䛾ண㻟㻙㻝䠖ὠἼணᮾி኱Ꮫᆅ㟈◊✲ᡤ䠘◊✲┠ⓗ䠚㝣ᇦ䞉ᾏᇦ䛷䛾ᵓ㐀ㄪᰝ䜔ྂᆅ㟈䞉ྂὠἼ䞉άᵓ㐀ㄪᰝ䛺䛹䛻ᇶ䛵䛔䛶ᚓ䜙䜜䛯᩿ᒙ䝰䝕䝹䛛䜙䚸᪥ᮏᾏἢᓊ䛻䛚䛡䜛ὠἼ䝅䝭䝳䝺䞊䝅䝵䞁䛻䜘䜚䚸ἢᓊ䛷䛾ὠἼἼ㧗䜢ண 䛩䜛䚹ಶ䚻䛾᩿ᒙ䝰䝕䝹䛻ᇶ䛵䛟☜ᐃㄽⓗ䝅䝘䝸䜸䝰䝕䝹䛾௚䛻䚸ྛᆅ䛻ᙳ㡪䜢ཬ䜌䛩ྍ⬟ᛶ䛾䛒䜛᩿ᒙ䛛䜙䛾䝅䝘䝸䜸䜢⤌䜏ྜ䜟䛫䛯☜⋡ㄽⓗ䛺ὠἼண䜒⾜䛖䚹䛺䛚䚸ᮏ䝃䝤䝔䞊䝬䛷䛿᪥ᮏᾏἢᓊ䛾඲ᇦ䛻䛴䛔䛶䚸ἢᓊ䛷䛾ὠἼ䛾㧗䛥䜢ண 䛧䚸≉ᐃ䛾 ‴䛻䛚䛡䜛ᾐỈ䞉㐳ୖ䞉ᵓ㐀≀䛾ᙳ㡪䛻䛴䛔䛶䛿䚸Ἴ䛾ศᩓᛶ䜒⪃៖䛧䛶䝃䝤䝔䞊䝬(1)䛷ᐇ᪋䛩䜛䚹1௧࿴2ᖺᗘᐇ᪋ィ⏬
 ୺䛻ᮾ໭Ἀᾏᇦ䜢୰ᚰ䛸䛩䜛ᾏᗏά᩿ᒙ䞉ἢᓊఅᅾ᩿ᒙ䛻䛴䛔䛶䚸ᾏᇦᵓ㐀ㄪᰝ䜔ᾏ㝣⤫ྜᵓ㐀ㄪᰝ䛻䜘䜚ᚓ䜙䜜䛯᩿ᒙ䝰䝕䝹䛻ᇶ䛵䛝䚸༢⊂ཬ䜃㐃ື◚ቯ䛾䝅䝘䝸䜸ᆺὠἼ䝅䝭䝳䝺䞊䝅䝵䞁䜢ᐇ᪋䛩䜛䚹 䝃䝤䝃䝤䝔䞊䝬2-5-1䛂᩿ᒙ䝰䝕䝹䛾ᵓ⠏䛃䛻䛚䛔䛶䚸㏣ຍ䜎䛯䛿ኚ᭦䛥䜜䛯᩿ᒙ䝰䝕䝹䚸䛺䜙䜃䛻ᆅ㟈ㄪᰝ◊✲᥎㐍ᮏ㒊䛾䛂䝺䝅䝢䛃䛻䛚䛡䜛2䝇䝔䞊䝆䛛䜙3䝇䝔䞊䝆䜈䛾䝇䜿䞊䝸䞁䜾๎䛾ኚ᭦䜢ཷ䛡䚸ヱᙜ䛩䜛᩿ᒙ䝰䝕䝹䜢ᑐ㇟䛸䛧䛶䚸㐣ཤᖺᗘ䛻㐳䛳䛶䝅䝘䝸䜸ᆺὠἼ䝅䝭䝳䝺䞊䝅䝵䞁䜢ᐇ᪋䛩䜛䚹 ᪥ᮏᾏἢᓊ䛻䛚䛡䜛ὠἼ㧗䛾☜⋡ㄽⓗ䛺ホ౯䜢⾜䛖䚹

௧࿴2ᖺᗘᐇ᪋㡿ᇦ

2௧࿴2ᖺᗘᐇ᪋ィ⏬
䖃 䝅䝘䝸䜸ᆺὠἼ䝅䝭䝳䝺䞊䝅䝵䞁ᮾ໭Ἀᾏᇦ䛻ศᕸ䛩䜛᩿ᒙ ᪥ᮏᾏ䝥䝻䝆䜵䜽䝖䛻䜘䛳䛶ᚓ䜙䜜䛯䚸ᮾ໭Ἀᾏᇦ䛻ศᕸ䛩䜛76᩿ᒙ䛾䛖䛱䚸᩿ᒙ
㛗䛜20 km௨ୖ䛛䛴㟈※᩿ᒙ䛜ᾏᇦ䛻䛒䜛67᩿ᒙ䜢ᑐ㇟䚹 ໭ᾏ㐨す᪉ᾏᇦ䚸໭㝣໭᪉ᾏᇦ䛻ศᕸ䛩䜛䛻ศᕸ䛩䜛᩿ᒙ䛸䛾㐃ື䜒ྵ䜑䚸㐃ື䛩䜛ྍ⬟ᛶ䛾䛒䜛᩿ᒙ䛾⤌䜏ྜ䜟䛫䜢⪃៖䛧䛯123᩿ᒙ䝰䝕䝹 㞃ᒱ䝖䝷䝣䞉኱࿴ሁ࿘㎶䛾4᩿ᒙ䝰䝕䝹᪤ ᆅ㟈䛻䛴䛔䛶ඛ⾜◊✲䛾䝰䝕䝹
 1833ᖺኳಖᗉෆἈᆅ㟈 1964ᖺ᪂₲ᆅ㟈
 1983ᖺ᪥ᮏᾏ୰㒊ᆅ㟈

MMS01
MMS04
MGM01

䖃 㛗኱᩿ᒙ䝰䝕䝹
3䝇䝔䞊䝆䝇䜿䞊䝸䞁䜾๎䖃 ᪥ᮏᾏἢᓊ䛾ὠἼ㧗䛾☜⋡ㄽⓗホ౯3䝅䝘䝸䜸ᆺὠἼ䝅䝭䝳䝺䞊䝅䝵䞁(MMS01+MMS04+MGM01)4䝇䜿䞊䝸䞁䜾๎䛻ᇶ䛵䛟Mw䞉᩿ᒙ䛩䜉䜚㔞䛾᥎ᐃᖹᆒࡍ࡭ࡾ㔞ࡢタᐃ᪉ἲ㸦᩿ᒙ㛗੊௨ୖ࡟ᑐࡋ࡚㸧Mwᆅ㟈ᮏ㒊䝺䝅䝢䠄䜰䠅 S-M0 (ͤL,W᪤▱)㟈※᩿ᒙ㠃✚S (km2) =L㽢Wᆅ㟈䝰䞊䝯䞁䝖
M0 (Nm)1&2䝇䝔䞊䝆䜑䠖ධ಴䞉୕Ꮿ䠄2001䠅
S = 4.24 × 10ିଵଵ (‫ܯ‬଴ × 10଻ ) ଵΤଶ for ‫ܯ‬଴ ൒ 7.5 × 10ଵ଼ ܰ݉S = 2.23 × 10ିଵହ (‫ܯ‬଴ × 10଻ ) ଶΤଷ for ‫ܯ‬଴ < 7.5 × 10ଵ଼ ܰ݉ᖹᆒ䛩䜉䜚㔞D (m)D=‫ܯ‬଴ ȀɊS

3䝇䝔䞊䝆䜑䠖Murotani et al.䠄2015䠅
S = 1.00 × 10ିଵ଻ × ‫ܯ‬଴ for ‫ܯ‬଴ ൒ 1.8 × 10ଶ଴ ܰ݉‫ܯ‬଴ ൒ 1.8 × 10ଶ଴ ܰ݉ (S ൒1800km2)䛾3䝇䝔䞊䝆䜑䛷䛿䠈ධ಴䞉୕Ꮿᘧ䛾2䝇䝔䞊䝆䜢ᘏ㛗䛧䛯ᘧ䛸ẚ䜉䛶䠈ྠ䛨M0䛻ᑐ䛧䛶㠃✚䛜኱䛝䛟䛺䜛䠊䛭䛾䛯䜑䠈ᮏ䝃䝤䝔䞊䝬䛷㠃✚䛾኱䛝䛔᩿ᒙ䛻୚䛘䛶䛔䛯䛩䜉䜚㔞䛿ᑠ䛥䛟䛺䜛ഴྥ䛻䛺䜛䠊ͤ໭ᾏ㐨す᪉Ἀ䛻䛚䛡䜛༢⊂4䝰䝕䝹䚸㐃ື23䝰䝕䝹䛻䛴䛔䛶෌ィ⟬䜢ᐇ᪋䠊

Murotani et al.䠄2015, PAGEOPH䠅䜘䜚5᪥ᮏᾏἢᓊ䛻䛚䛡䜛☜⋡ㄽⓗὠἼண9᪥ᮏᾏ䛻䛚䛡䜛኱つᶍᆅ㟈䛻㛵䛩䜛ㄪᰝ᳨ウ఍䛾60᩿ᒙ䝰䝕䝹䜢⏝䛔䚸᪥ᮏᾏἢᓊᇦ䠄໭ᾏ㐨䚸ᮾ໭䚸୰㒊䚸㏆␥䚸୰ᅜ䛺䜙䜃䛻஑ᕞᆅ᪉䠅䛾154⮬἞య䛻䛚䛡䜛☜⋡ㄽⓗὠἼண9䜢ᐇ᪋䛧䛯䚹ᡂᯝ䛜Earth Planets and Space䛻ᥖ㍕䛥䜜䛯䚹Mulia et al. (2020, EPS)

6☜ᐃㄽ䠄䝅䝘䝸䜸ᆺ䠅䛸☜⋡ㄽⓗὠἼண䠄ホ౯䠅☜ᐃㄽ䠄Ỵᐃㄽ䠅୍䛴䛾䝅䝘䝸䜸䠄L1, L2䠅䛻ᑐ䛧䛶ィ⟬ὠἼ㧗㻤㻢㻥☜⋡ㄽ☜⋡ศᕸ䜢⾲⌧ ୙☜ᐃᛶ䜢ྵ䜐㻝㻤㻥㻣㻝㻥㻟㻢㻝㻥㻣㻤㻞㻜㻝㻝☜⋡すᬺ• 䠨䠍ὠἼ䠖Ⓨ⏕㢖ᗘ䛜㧗䛟䠈ὠἼ䛿ప䛔䜒䛾䛾኱䛝䛺⿕ᐖ䜢䜒䛯䜙䛩ὠἼே࿨䛻ຍ䛘䠈ఫẸ䛾㈈⏘䞉ᆅᇦ䛾⤒῭άື䞉⏕⏘ᣐⅬ䛾ಖㆤ䛾䛯䜑䛻ᾏᓊಖ඲᪋タ䛺䛹䛾䝝䞊䝗ᑐ⟇• 䠨䠎ὠἼ䠖Ⓨ⏕㢖ᗘ䛿ᴟ䜑䛶ప䛔䜒䛾䛾䠈Ⓨ⏕䛩䜜䜀⏒኱䛺⿕ᐖ䜢䜒䛯䜙䛩ὠἼఫẸ➼䛾⏕࿨䜢Ᏺ䜛䛣䛸䜢᭱ඃඛ䛸䛧䠈ఫẸ䛾㑊㞴䜢㍈䛻䝝䞊䝗䞉䝋䝣䝖䛾⥲ྜⓗ䛺ᑐ⟇7☜⋡ㄽⓗὠἼホ౯䠄㻼㼀㻴㻭㻕
Probabilistic Seismic Hazard Analysis(Cornell, 1968)

Probabilistic Tsunami Hazard Analysis(PTHA)
ὠἼἼ※䝰䝕䝹᩿ᒙ䝰䝕䝹M䛾⠊ᅖ䛩䜉䜚㔞ศᕸᆅ㟈Ⓨ⏕☜⋡
Gutenberg-Richter a, b್ὠἼఏ᧛䝅䝭䝳䝺䞊䝅䝵䞁୙☜ᐃᛶὠἼ䝝䝄䞊䝗᭤⥺䝝䝄䞊ὠἼ㧗䛥䛸ᖺ㉸㐣☜⋡8☜⋡ㄽⓗὠἼホ౯䠄㻼㼀㻴㻭㻕ὠἼ㧗䛥‫ ܪ‬䛜 ݄䜢㉸㐣䛩䜛㢖ᗘ ߣ ‫݄ > ܪ‬௡ೞ௡೘ߣ ‫ ܪ‬൒ ݄ = ෍ ߭௜ ෍ ܲ ‫ ܪ‬൒ ݄|݉௝ ܲ ‫ܯ‬௜ = ݉௝௜ୀଵ

௝ୀଵ߭௜ = ߣ ‫ܯ‬௜ > ݉୫୧୬ = 10௔ି௕௠ౣ౟౤

䝬䜾䝙䝏䝳䞊䝗m䛾ᆅ㟈䛾Ⓨ⏕☜⋡ྛ᩿ᒙ䛻䛚䛡䜛ᆅ㟈䛾Ⓨ⏕☜⋡‫ ܩ‬െ ܴᘧܲ ‫ܯ‬௜ = ݉௝ = ‫ܨ‬ெ ݉௝ + 0.5ο݉ െ ‫ܨ‬ெ ݉௝ െ 0.5ο݉ ,‫ܨ‬ெ ݉ =1 െ 10ି௕ ௠ି௠ౣ౟౤1 െ 10ି௕ ௠ౣ౗౮ ି௠ౣ౟౤䝬䜾䝙䝏䝳䞊䝗m䛾ᆅ㟈䛻䛴䛔䛶䠈ὠἼ㧗䛥‫ ܪ‬䛜 ݄䜢㉸㐣䛩䜛☜⋡ܲ ‫ = ݉ ݄ > ܪ‬1 െ Ȱ ln ݄ ln ‫ ܪ‬, ߚ䝻䝆䝑䜽䝒䝸䞊Ȱ ศᕸ㛵ᩘ䠄ᑐᩘṇつศᕸ䠅ߚ 䜀䜙䛴䛝

ߚ = ln ߢ㔜䜏

0.5

ߚ= 0.6150.25

ߚ= 0.7130.25

ߚ= 0.784䜀䜙䛴䛝 䛿 㐣ཤ䛾ὠἼ㧗䛥䛸䛾ẚ㍑䛛䜙⟬ᐃ㻝㻥㻠㻜ᖺ✚୹༙ᓥἈ㻷㻩㻌㻝㻚㻝㻡㻘㻌䃙㻩㻌㻝㻚㻤㻡㻌㻌Æ㻝㻥㻢㻠ᖺ᪂₲ᆅ㟈㻷㻩㻌㻜㻚㻥㻥㻘㻌䃙㻩㻌㻞㻚㻜㻠㻌㻌Æ㻝㻥㻤㻟ᖺ᪥ᮏᾏ୰㒊ᆅ㟈 㻷㻩㻌㻜㻚㻥㻥㻘㻌䃙㻩㻌㻝㻚㻤㻡㻌㻌Æ㻝㻥㻥㻟ᖺ໭ᾏ㐨༡すἈᆅ㟈 㻷㻩㻌㻜㻚㻥㻥㻘㻌䃙㻩㻌㻞㻚㻝㻥㻌㻌Æ䃑㻌㻩㻌㻜㻚㻢㻝㻡䃑㻌㻩㻌㻜㻚㻣㻝㻟䃑㻌㻩㻌㻜㻚㻢㻝㻡䃑㻌㻩㻌㻜㻚㻣㻤㻠ߚ䛾್䛿ㄆ㆑ㄽⓗ୙☜ᐃᛶ Æ 䝻䝆䝑䜽䝒䝸䞊9☜⋡ㄽⓗὠἼホ౯䠄㻼㼀㻴㻭㻕ㄆ㆑ㄽⓗ୙☜ᐃᛶ
Epistemic uncertaintyഅ↛ⓗ୙☜ᐃᛶ䠄䜀䜙䛴䛝䠅
Aleatory uncertainty•≀⌮⌧㇟䛻ᅛ᭷䛾䜀䜙䛴䛝•▱㆑୙㊊䛻䜘䜛୙☜ᐃᛶ•䝝䝄䞊䝗᭤⥺䛷⾲⌧•◊✲䛜㐍䜑䜀ᑠ䛥䛟䛺䜛•䝻䝆䝑䜽䝒䝸䞊䛾ศᒱ䛷⾲⌧㔜䜏

0.50.250.25

ߚ= 0.615

ߚ= 0.713

ߚ= 0.78410᪥ᮏᾏἢᓊᇦ䛻䛚䛡䜛☜⋡ㄽⓗὠἼண᩿ᒙ䝰䝕䝹䛾సᡂ౛䛸䜾䝸䞊䞁㛵ᩘ䛾ィ⟬᩿ᒙ䝰䝕䝹సᡂ౛F01᩿ᒙ䝃䝤䝣䜷䞊䝹䝖䛾᩿ᒙ䝃
䜲䝈䛿10 km㽢10 km䝃䝤䝣䜷䞊䝹䝖䛾ྜィᩘ
䛿994

䜾䝸䞊䞁㛵ᩘ䛾ィ⟬㻝㻚㻞㻚㻟㻚᩿ᒙ䝟䝷䝯䞊䝍䜢⏝䛔䛭䜜䛮䜜䛾䝃䝤䝣䜷䞊䝹䝖䛷㻝㼙䛾䛩䜉䜚䜢୚䛘䚸㻝㻡㻠⮬἞య䛻䛚䛡䜛Ỉ῝㻡㻜㻌㼙䛾ฟຊⅬ䜢タᐃ䛩䜛ὠἼఏ᧛ィ⟬䜢ᐇ᪋䛧䚸ฟຊⅬ䛻䛚䛡䜛ὠἼἼᙧ䜢ಖ⟶䛩䜛䜾䝸䞊䞁䛾ἲ๎䜢㐺⏝䛧䚸Ỉ῝㻝㼙䛻䛚䛡䜛᭱኱ὠἼ㧗䜢᥎ᐃ䛩䜛

30⛊䛸10⛊䛾2ẁ㝵䛾䝛䝇䝔䜱䞁䜾䜢⏝䛔䛯ィ⟬䜢ᐇ᪋Ỉᖹ᪉ྥ䛾ኚ఩䛻䜘䜛ᐤ୚䠄Tanioka and Satake, 1996)䛺䜙䜃䛻Ლᾆ䝣䜱䝹䝍䞊䜢㐺⏝䛧䛯ึᮇỈ఩䛛䜙䚸
JAGURS䠄Baba et al., 2015䠅䜢⏝䛔䛶ఏ᧛ィ⟬䠄6᫬㛫ศ䠅䜢ᐇ᪋11᪥ᮏᾏἢᓊᇦ䛻䛚䛡䜛☜⋡ㄽⓗὠἼண☜⋡ㄽⓗ㟈※䝰䝕䝸䞁䜾㻝㻚㻞㻚㻟㻚㻠㻚᭱ᑠ䝬䜾䝙䝏䝳䞊䝗: Mw 6.5.
᭱኱䝬䜾䝙䝏䝳䞊䝗: ᩿ᒙ䝃䜲䝈䛻౫Ꮡ䝬䜾䝙䝏䝳䞊䝗้䜏: 0.1.
✵㛫ⓗ䛻䝷䞁䝎䝮䛺䛩䜉䜚ศᕸ䝰䝕䝹䠄Mai & Beroza, 2002䛾ᡭἲ䛻䜘䜛)•von Karmanᆺ䛾┦㛵ಀᩘ䜢౑⏝•᩿ᒙ㛗䚸᩿ᒙᖜ䛺䜙䜃䛻ᖹᆒ䛩䜉䜚䛿䚸㼃㼑㼘㼘㼟㻌㻒㻌㻯㼛㼜㼜㼑㼞㼟㼙㼕㼠㼔㻌㻔㻝㻥㻥㻠㻕㻌䛾䝇䜿䞊䝸䞁䜾๎䜢⏝䛔䛶㻹㼣䛛䜙ィ⟬䠄๛ᛶ⋡3 x 1010
N/m2䜢௬ᐃ䠅•᩿ᒙ䛾඲య䜢◚ቯ䛧䛺䛔ᆅ㟈䛾◚ቯᇦ䜢䝷䞁䝎䝮໬12᪥ᮏᾏἢᓊᇦ䛻䛚䛡䜛☜⋡ㄽⓗὠἼண☜⋡ㄽⓗ㟈※䝰䝕䝹䠄䝅䝘䝸䜸䠅ᩘ

No
1
2
3
4
5
6
78
9
10
11
12
13
14
15

Mw
6.5
6.6
6.7
6.8
6.9
7.0
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9

Number of fault
with magnitude
Mw (A)
60
60
60
60
59
57
57
55
48
36
27
20
128
2

Number ofsamples at eachmagnitude bin (B)
150
145
139
134
129
123
118
113
107
102
96
91
86
80
75
ྜィ䝅䝘䝸䜸ᩘ

Total samples at
each magnitude
bin = A × B
9000
8700
8340
8040
7611
7011
6726
6215
5136
3672
2592
1820
1032
640
150
76685
13

᪥ᮏᾏἢᓊᇦ䛻䛚䛡䜛☜⋡ㄽⓗὠἼண䜾䞊䝔䞁䝧䝹䜾䞉䝸䝠䝍䞊䠄G-R䠅๎䛾䝟䝷䝯䞊䝍᥎ᐃz

1997~2017ᖺ䛾Ẽ㇟ᗇ㟈※䜹䝍䝻䜾䠄῝䛥50 km௨ὸ䠅䜢⏝䛔䚸ゎᯒ䛻䛿ZMAP䜢౑⏝䚹zゎᯒᑐ㇟Ⅼ䛛䜙༙ᚄ35 km௨ෆ䛾ᆅ㟈άື䜢ᢳฟ䚹Maximum Curvature 䠄MAXC䠅ἲ䛻䜘䜚ᆒ㉁㝈⏺
䝬䜾䝙䝏䝳䞊䝗䜢᥎ᐃ䛧䚸G-R๎䛾䝟䝷䝯䞊䝍䠄a್䚸b್䠅䜢᥎ᐃ䚹

14᪥ᮏᾏἢᓊᇦ䛻䛚䛡䜛☜⋡ㄽⓗὠἼணṔྐᆅ㟈ὠἼ䛻䜘䜛⑞㊧㧗䛸䛾ẚ㍑
1940ᖺ✚୹༙ᓥἈ䛾ᆅ㟈䠄M7.5)

1964ᖺ᪂₲ᆅ㟈䠄M7.5)zṔྐᆅ㟈ὠἼ䛻䜘䜛⑞㊧㧗䛿䚸ᮾ໭኱Ꮫ䠄⅏ᐖ⛉Ꮫᅜ㝿◊✲ᡤὠἼᕤᏛ◊✲ศ㔝䠅䛚䜘䜃ཎᏊຊᏳ඲ᇶ┙ᶵᵓ䠄⌧ ཎᏊຊつไᗇ䠅䛻䜘䜛ὠἼ⑞㊧䝕䞊䝍䝧䞊䝇䜢౑⏝z┦⏣䠄1978䠅䛾K䚸ʃ䛻䛴䛔䛶䛿䚸䜾䝸䞊䞁䛾ἲ๎䜢㐺⏝ᚋ䛾ィ⟬ὠἼ㧗䛸⑞㊧㧗䜢⏝䛔䛶ィ⟬z1983ᖺ᪥ᮏᾏ୰㒊ᆅ㟈䠄M7.7)

1993ᖺ໭ᾏ㐨༡すἈᆅ㟈䠄M7.8䠅

ߚ = ln ߢ䛛䜙 䜀䜙䛴䛝ɴ䜢᥎ᐃ⅊Ⰽᅄゅ䠖ὠἼ⑞㊧Ⅼ䛸㧗䛥⥳୸䠖⯆࿡䛾䛒䜛ฟຊⅬ䠄䝢䞁䜽୸䠅䛻᭱䜒
㏆䛔ほ Ⅼ䛷䛾ィ⟬ὠἼ㧗䝻䝆䝑䜽䝒䝸䞊

㔜䜏

0.5

ߚ= 0.6150.25

ߚ= 0.7130.25

ߚ= 0.784

15᪥ᮏᾏἢᓊᇦ䛻䛚䛡䜛☜⋡ㄽⓗὠἼண䛭䜜䛮䜜䛾ᆅᇦ䛻䛚䛡䜛䝝䝄䞊䝗䜹䞊䝤z㏫᩿ᒙ䛜༟㉺䛩䜛໭ᾏ㐨䚸ᮾ໭䚸୰㒊ᆅᇦ䛻ẚ䜉䚸ᶓ䛪䜜᩿ᒙ䛜ศᕸ䛩䜛୰ᅜ䛺䜙䜃䛻஑ᕞᆅᇦ䛷䛿┦ᑐⓗ䛻ప䝝䝄䞊䝗䛸䛺䛳䛶䛔䜛䚹z୰㒊ᆅᇦ௨໭䛸㏆␥௨す䛷኱䛝䛟␗䛺䜛᩿ᒙᩘ䜒䝝䝄䞊䝗䜹䞊䝤䛾ᆅᇦᛶ䛻ᐤ୚䛧䛶䛔䜛䚹
16᪥ᮏᾏἢᓊᇦ䛻䛚䛡䜛☜⋡ㄽⓗὠἼண100ᖺ䠄ୗ䠅䚸400ᖺ䠄୰䠅䚸1000ᖺ䠄ୖ䠅䛾෌᮶ᮇ㛫䛻䛚䛡䜛᭱኱ὠἼ㧗

11.5 m 䠄᪂₲┴⢖ᓥᾆᮧ䠅㻣㻚㻣 m 䠄᪂₲┴⢖ᓥᾆᮧ䠅㻟㻚㻣 m 䠄᪂₲┴⢖ᓥᾆᮧ䠅17᪥ᮏᾏἢᓊᇦ䛻䛚䛡䜛☜⋡ㄽⓗὠἼணὠἼ㧗䛜0.5 m䠄ୗ䠅䚸1.5 m䠄୰䠅䚸3 m䠄ୖ䠅䜢㉸䛘䜛ᖺ㉸㐣☜⋡㻝ᖺ䛒䛯䜚䛾㉸㐣☜⋡䠄䠂䠅‫ = ݌‬100% × 1 െ ݁ ఒ>1.2%

0.1-4.1%>10%

18

᪥ᮏᾏἢᓊᇦ䛻䛚䛡䜛☜⋡ㄽⓗὠἼண••䠄䝝䝄䞊䝗䛾෌ศゎ䠅໭ᾏ㐨䛛䜙୰㒊ᆅᇦ䛻䛛䛡䛶䛿㏆ഐ䛾ά᩿ᒙ䛜ὠἼ䝝䝄䞊䝗䛻኱䛝䛟ᐤ୚䛩䜛୍᪉䚸㏆␥䜔୰ᅜᆅᇦ䛺䛹䛿໭ᾏ㐨䛛䜙୰㒊ᆅᇦ䜘䜚䜒ప䝝䝄䞊䝗䛷䛒䜚䚸᪥ᮏᾏᮾ⦕㒊䛾ά᩿ᒙ䛾᪉䛜㏆ഐ䛾ά᩿ᒙ䜘䜚䜒ᐤ୚䛜኱䛝䛔

19ᖹᡂ㻞㻡ᖺᗘ䡚௧࿴㻞ᖺᗘᴗົィ⏬
H25

H26

H27

H28

H29

䝅䝘䝸䜸ᆺὠἼ䝅䝭䝳䝺䞊䝅䝵䞁☜⋡ㄽⓗ䛺ὠἼἼ
㧗ண᩿ᒙ䛾䝸䝇䝖䜰䝑䝥䝅䝘䝸䜸ᆺὠἼ䝅䝭䝳䝺䞊䝅䝵䞁☜⋡ㄽⓗ䛺ὠἼἼ
㧗ண᩿ᒙ䛾䝸䝇䝖䜰䝑䝥䝅䝘䝸䜸ᆺὠἼ䝅䝭䝳䝺䞊䝅䝵䞁

R02᝿ᐃ㐃ື后吶吼呃呎后吾呉ప㢖ᗘᕧ኱ᆅ㟈双叩召ὠἼ㧗ホ౯ᆅᙧ吞呎吖呍ィ⟬吊呎吠ᩚഛ呍᳨ドᒣ㝜䞉஑ᕞἈ࿘㎶R01᩿ᒙ䛾䝸䝇䝖䜰䝑䝥໭ᾏ㐨䞉ᮾ໭Ἀ࿘㎶໭㝣Ἀ࿘㎶H30☜⋡ㄽⓗ䛺ὠἼἼ㧗ண20