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エージェント技法を用いた津波避難評価システムの構築と社会実装

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(1)Vol.2013-IS-123 No.1 2013/3/15. ᝟ሗฎ⌮Ꮫ఍◊✲ሗ࿌ IPSJ SIG Technical Report. ࢚࣮ࢪ࢙ࣥࢺᢏἲࢆ⏝࠸ࡓ ὠἼ㑊㞴ホ౯ࢩࢫࢸ࣒ࡢᵓ⠏࡜♫఍ᐇ⿦ ୰ᒃᴁᏊ†1  ⏿ᒣ‶๎†2 ᮾ᪥ᮏ኱㟈⅏Ⓨ⏕௨㝆㸪ῶ⅏ࡢほⅬ࠿ࡽᕧ኱ᆅ㟈࡟క࠺ὠἼࢆ᝿ᐃࡋࡓ㑊㞴ィ⏬ࡢ⟇ᐃࡀὀ┠ࡉࢀ࡚࠸ࡿࠋᮏⓎ⾲࡛ ࡣ㸪༡ᾏࢺࣛࣇᆅ㟈ࡢ᭱᪂ࡢ⿕ᐖ᝿ᐃ࡟࠾࠸࡚㸪᭱኱ࡢ 34.4m ࡢὠἼࡀく࠺ྍ⬟ᛶࡀᣦ᦬ࡉࢀࡓ㧗▱┴㯮₻⏫ෆ࡟࠶ ࡿ୓⾜ᆅ༊ࢆᑐ㇟࡜ࡋ࡚㸪ὠἼ㑊㞴ホ౯ࢩࢫࢸ࣒ࡢᵓ⠏࡜㑊㞴ィ⏬⟇ᐃࡢసᴗ࡬ࡢ㐺ᛂ࡟ࡘ࠸࡚ሗ࿌ࡍࡿࠋ. Development of Tsunami Evacuation Evaluation System Using the Agent Technique and its Social Implementation FUKO NAKAI†1 MICHINORI HATAYAMA†2. After Great East Japan Earthquake, the importance of effective evacuation plan is pointed out from the viewpoint of disaster mitigation. In this paper, we develop agent based Tsunami evacuation evaluation system and report a result to apply in Mangyo area, which located in Kochi Prefecture in Japan and have a huge Tsunami risk with Nankai Trough Quake. 1. ࡣࡌࡵ࡟. ࣥ࡟ࡘ࠸࡚㏙࡭ࡿ㸬. 2. 㧗▱┴㯮₻⏫୓⾜ᆅ༊࡛ࡢ࢔ࣥࢣ࣮ࢺㄪᰝ ࣜࢫࢡࡣ⅏ᐖཎᅉ஦㇟࡛࠶ࡿࠕࣁࢨ࣮ࢻࠖ㸪⅏ᐖ࡜ࡢ᥋. 2.1 㧗▱┴㯮₻⏫୓⾜ᆅ༊࡟ࡘ࠸࡚. ゐ㠃ࢆ♧ࡍ᭚㟢ᗘࡢࠕ࢚ࢡࢫ࣏࣮ࢪࣕࠖ㸪♫఍ࡢ⬤ᙅᛶࢆ⾲. 㧗▱┴㯮₻⏫ࡣ 2012 ᖺ 8 ᭶ 29 ᪥࡟ෆ㛶ᗓࡀⓎ⾲ࡋࡓ༡. ࡍࠕࣂࣝࢼࣛࣅࣜࢸ࢕ࠖ࡜࠸࠺ 3 ࡘࡢせ⣲࡟ࡼࡗ࡚ᐃ⩏ࡉ. ᾏࢺࣛࣇᕧ኱ᆅ㟈࡟ࡼࡿ᭱኱ࢡࣛࢫࡢὠἼࡢ⿕ᐖ࡟࠾࠸࡚㸪. ࢀࡿࡀ㸪ࣁࢨ࣮ࢻ࡟ᑐࡋ࡚㐺ษ࡞ண㜵ࢆ⾜࠸㸪࢚ࢡࢫ࣏࣮. 34.4m ࡜࠸࠺᭱ࡶ㧗࠸ὠἼ㧗࡛ὀ┠ࡉࢀ࡚࠸ࡿሙᡤ࡛࠶ࡿ. ࢪࣕࡸࣂࣝࢼࣛࣅࣜࢸ࢕࡞࡝ࡢ♫఍ⓗせ⣲ࢆኚ࠼ࡿࡇ࡜࡛. 1)㸬ࡑࡢᚋ 12 ᭶ 10 ᪥࡟᝿ᐃࡀᨵࡵࡽࢀ㸪୓⾜ᆅ༊ࡣ⌧ᅾ. ୖグࡢ 3 ࡘ࡟ࡼࡗ࡚ᐃ⩏ࡉࢀࡿࣜࢫࢡࡣపῶࡉࡏࡿࡇ࡜ࡀ. 14㹫ࡢὠἼ㧗ࡀ᝿ᐃࡉࢀ࡚࠸ࡿࡀ㸪฿㐩᫬㛫ࡣ⣙ 20 ศ⛬ᗘ. ྍ⬟࡛࠶ࡿ㸬. ࡛࠶ࡾ㸪౫↛࡜ࡋ࡚ཝࡋ࠸≧ἣ࡜ゝ࠼ࡿ㸬. ᆅᇦ㜵⅏࡟࠾ࡅࡿࣜࢫࢡࢥ࣑ࣗࢽࢣ࣮ࢩࣙࣥࡣ㸪ࡲࡕ࡜. ୓⾜ᆅ༊ࡣ㸪ேཱྀ⣙ 650 ே㸪⣙ 300 ୡᖏࡀᬽࡽࡋ࡚࠾ࡾ㸪. ఫẸࢆ⅏ᐖ࠿ࡽᏲࡿࡓࡵ࡟㸪ఫẸࡢ⅏ᐖࣜࢫࢡ࡬ࡢ⌮ゎࡸ. ୰ᚰ㒊࠿ࡽᾏࡲ࡛ࡣ 500m ⛬ᗘࡢᾏἢ࠸ࡢᆅ༊࡛࠶ࡿ㸬ᆅ. ஦๓ࡢ㑊㞴ィ⏬⟇ᐃ࡞࡝࡟ࡼࡾ♫఍ⓗせ⣲ࢆᙉ໬ࡍࡿ᪉ἲ. ༊ࡢ㏆ഐ࡟㧗ྎࡀ࡞ࡃ㸪᭱ࡶ㏆࠸㧗ྎࡲ࡛ࡣ㸪೺ᖖ⪅ࡢṌ. ࡜ࡋ࡚⏝࠸ࡽࢀࡿ㸬୍⯡ⓗ࡞ᐃ⩏ࡢࡦ࡜ࡘ࡜ࡋ࡚㸪National. ⾜㏿ᗘ࡛࠶ࡗ࡚ࡶ 20 ศ㏆ࡃࡣ࠿࠿ࡿࡓࡵ㸪㑊㞴ᅔ㞴ᆅᇦ࡜. Research Council(NRC)࡟ࡼࡿࠕಶே㸪ᶵ㛵㸪㞟ᅋ㛫࡛ࡢ᝟. ゝࢃࢀ࡚࠸ࡿ㸬ᆅ༊ࡢ୰ᚰ࡟ᩘᖺ๓࡟ᘓ࡚ࡽࢀࡓὠἼ㑊㞴. ሗࡸពぢࡢࡸࡾ࡜ࡾࡢ┦஫స⏝ⓗ㐣⛬ࠖ࡜࠸࠺ࡶࡢࡀ࠶ࡿ㸬. ࢱ࣮࣡ࡣ㧗ࡉ 12m ࡛㸪200 ேࡀ཰ᐜ࡛ࡁࡿࡀ㸪᪂ࡋ࠸㑊㞴. ࡲࡓ㸪Rowan ࡀᥦ᱌ࡋࡓ CAUSE ࣔࢹ࡛ࣝࡣ㸪ࣜࢫࢡࢥ࣑. ᝿ᐃ࡛ࡣᾐỈࡢྍ⬟ᛶࡶ࠶ࡿࡇ࡜࠿ࡽ㸪᪂ࡓ࡟ࡉࡽ࡟㧗࠸. ࣗࢽ ࢣ ࣮ࢩ ࣙ ࣥࡢ ฿ 㐩┠ ᶆ ࢆ㸪 ձ 㛵ಀ ⪅ 㛫ࡢ ಙ 㢗ᙧ ᡂ. ࢱ࣮࣡ࡢᘓタࡀィ⏬ࡉࢀ࡚࠸ࡿ᭱୰࡛࠶ࡿ㸬. (Credibility)㸪ղࣜࢫࢡࡢᏑᅾࡢẼ௜ࡁ(Awareness)㸪ճࣜࢫ. ࡲࡓ㸪㧗㱋໬ࡼࡿ㑊㞴ᅔ㞴⪅ࡢቑຍࡸ㸪㌴㑊㞴࡟ࡼࡿΰ. ࢡࡢ⌮ゎ(Understanding)մᑐฎ᪉ἲࡢ⌮ゎ(Solution)㸪յᑐ. 㞧ࡢၥ㢟࡞࡝ࡢࢯࣇࢺ㠃ࡢㄢ㢟㸪᪤Ꮡࡢᘓ㐀≀ࡢᮍ⪏㟈࡞. ฎ⾜ືࡢᐇ⾜(Enactment)࡜࠸࠺ 5 ẁ㝵࡟ศ㢮ࡋ࡚࠸ࡿ㸬. ࡝ࡶ῝้࡛࠶ࡾ㸪௒ᚋ☜ᐇ࡟㉳ࡇࡿ࡛࠶ࢁ࠺࡜ゝࢃࢀ࡚࠸ ࡿᆅ㟈࣭ὠἼࡢ⿕ᐖࢆࢯࣇࢺ࣭ࣁ࣮ࢻඹ࡟࡜ࡾ࠺ࡿᡭẁࢆ. ᮏㄪᰝ࡛ࡣ㸪㧗▱┴㯮₻⏫୓⾜ᆅ༊ࡢఫẸ࡟ᑐࡍࡿ㠃᥋. ᑾࡃࡋࡓ⥲ྜⓗ࡞ὠἼᑐ⟇ࡣᛴົ࡛࠶ࡿ㸬. ㄪᰝࢆ㏻ࡋ࡚㸪ᆅᇦ♫఍ࡀᢪ࠼ࡿ♫఍ⓗࣜࢫࢡࡢᐇែᢕᥱ ࡜㸪㑊㞴⾜ືࢆࣔࢹࣝ໬ࡍࡿࡓࡵࡢࣃ࣓࣮ࣛࢱࡢ཰㞟ࢆ࠾ ࡇ࡞ࡗࡓ㸬ᮏ✏࡛ࡣ㸪ࡑࡢ⤖ᯝ࡜ὠἼ㑊㞴ࢩ࣑࣮ࣗࣞࢩࣙ. 2.2 ࢔ࣥࢣ࣮ࢺㄪᰝࡢᴫせ  ㄪᰝࡣ 2012 ᖺ 11 ᭶ 5 ᪥࠿ࡽ 12 ᭶ 21 ᪥ࡲ࡛ࡢᮇ㛫࡟ᐇ ᪋ࡋࡓ㸬ᆅᇦࡢ᪉ࡢྠ⾜ࡢࡶ࡜㸪ྛᡞࢆゼၥࡋ㸪20 ṓ௨ୖ. †1 ி㒔኱Ꮫ᝟ሗᏛ◊✲⛉ Kyoto University, Graduate School of Informatics †2 ி㒔኱Ꮫ㜵⅏◊✲ᡤ  Kyoto University, Disaster Prevention Research Institute. ⓒ 2013 Information Processing Society of Japan. ࡢ᪉ࢆᑐ㇟࡟࢖ࣥࢱࣅ࣮ࣗࢆࡋ㸪ㄪᰝ⚊࡟グධࡍࡿ࡜࠸࠺ ᪉ἲ࡛⾜ࡗࡓ㸬タၥࡣ 22 ၥ࠶ࡾ㸪୍ே࠶ࡓࡾ 10 ࠿ࡽ 30. 1.

(2) Vol.2013-IS-123 No.1 2013/3/15. ᝟ሗฎ⌮Ꮫ఍◊✲ሗ࿌ IPSJ SIG Technical Report ศ⛬ᗘࡢ᫬㛫ࢆせࡍࡿ㸬ෆᐜࡣ㸪㐣ཤࡢ༡ᾏᆅ㟈ࡢ⤒㦂㸪. ࠸࠺ேࡀ 70%࡜㠀ᖖ࡟ከ࠸㸬ࡇࢀࡣ㑊㞴ࡢၥ㢟ࢆ⪃࠼ࡿ㝿. 㑊㞴ࡢ㝿࡟୙ᏳࢆឤࡌࡿⅬ࡞࡝ࡢᆅ༊ࡢ♫఍ⓗ࡞⬤ᙅᛶ࡟. ࡟㔜せ࡞♧၀ࢆ୚࠼ࡿࢹ࣮ࢱ࡛࠶ࡿ㸬ㄪᰝࡢ⫋ᴗ࡟㛵ࡍࡿ. 㛵㐃ࡍࡿ㡯┠࡜㸪㑊㞴⾜ືࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ࠾ࡇ࡞࠺ࡓ. ㄪᰝ㡯┠࠿ࡽ㸪ఫᏯᆅࡢ᫨㛫ேཱྀࡣᇶᮏⓗ࡟ࡣ඲ேཱྀࡢ⣙. ࡵ࡟ᚲせ࡞ఫẸࡢᒓᛶࡸ㸪᪥ᖖࡢ⾜ືࣃࢱ࣮ࣥ㸪ὠἼࡀ᮶. 40%࡜࡞ࡿࡀ㸪᫨㛫 12 ᫬࠿ࡽ 13 ᫬ࡈࢁࡢ㛫࡟ࡣ 70%ࡢே. ࡿሙྜ࡟࡝ࡇ࡟㏨ࡆࡿ࠿㸪ࡲࡓ㸪ࡑࡢ㑊㞴ᡭẁ࡟㛵ࡍࡿ᝟. ࡀᆅ༊ෆ࡟ᡠࡗ࡚࠸ࡿࡇ࡜࡟࡞ࡿ㸬. ሗࢆ཰㞟ࡋࡓ㸬  ࢔ࣥࢣ࣮ࢺࡢ༠ຊ⪅ࡢᩘࡣ 653 ேࡢேཱྀࡢ࠺ࡕ 181 ே࡛ 27.7% ୡᖏᩘࡣ඲ୡᖏࡢ 49.3%࡛࠶ࡿ㸬. (2) 㑊㞴⾜ື࡟㛵ࡍࡿពྥ  㑊㞴⾜ື࡟㛵ࡍࡿ㡯┠࡛ࡣ㸪௨ୗࡢⅬ࡟ࡘ࠸࡚㉁ၥࡋࡓ㸬 ձ. ὠἼࡢ㝿࡟㏨ࡆࡼ࠺࡜ᛮࡗ࡚࠸ࡿሙᡤ. 2.3 ㄪᰝ⚊ࡢෆᐜ࠾ࡼࡧࡑࡢ㞟ィ. ղ. ձࡢ㑊㞴ሙᡤࢆ㑅ࢇࡔ⌮⏤.  ᮏ◊✲ࡢὠἼ㑊㞴ࢩ࣑࣮ࣗࣞࢩࣙࣥࡣ࢚࣮ࢪ࢙ࣥࢺ࣮࣋. ճ. 㑊㞴ࡍࡿ㝿࡟ᚰ㓄࡞ࡇ࡜. ࢫ࡛⾜ࢃࢀࡿࡓࡵ㸪ㄪᰝ࠿ࡽᚓࡽࢀࡓࢹ࣮ࢱࢆࡶ࡜࡟࢚࣮. մ ᪂ࡋ࠸㑊㞴ࢱ࣮࣡ࡀ࡛ࡁࡓࡽ㑊㞴ࡍࡿ࠿ࡋ࡞࠸࠿. ࢪ࢙ࣥࢺ࡟ᒓᛶࢆ୚࠼㸪࣎ࢺ࣒࢔ࢵࣉᆺ࡛඲యࡢᣲືࢆホ. յ 㑊㞴ࡍࡿ㝿ࡢ஺㏻ᡭẁ㸦ᚐṌ㸪⮬㌿㌴㸪ࣂ࢖ࢡ㸪㌴ࡢ ࡝ࢀࢆ౑࠺࠿㸧. ౯ࡍࡿᚲせࡀ࠶ࡿ㸬࢔ࣥࢣ࣮ࢺ࡟ᅇ⟅ࡋ࡚࠸࡞࠸ே࡟㛵ࡋ ࡚ࡣ㸪ࢹ࣮ࢱࢆ⤫ィฎ⌮ࡋࡓ⤖ᯝࢆࡶ࡜࡟ᒓᛶࢆ୚࠼ࡿ㸬. . ᮏ❶࡛ࡣ㸪࢔ࣥࢣ࣮ࢺࡢ୍ḟ㞟ィ⤖ᯝࢆ㏻ࡋ࡚ᚓࡽࢀࡓ୓. ࡇࡢᆅ༊ࡢఫẸࡀ㑊㞴ពྥࢆ♧ࡋࡓሙᡤࡣ㸪୺࡟௨ୗࡢ. ⾜ᆅ༊ࡢఫẸࡢ≉ᚩ࡟ࡘ࠸࡚㏙࡭ࡿ㸬.  ࠿ᡤ࡛࠶ࡗࡓ㸦ᅗ 㸧㸬. (1) ᑐ㇟⪅ࡢᒓᛶ ಶேࡢᒓᛶ࡟㛵ࡋ࡚ࡣ㸪ྡ๓㸪ᖺ㱋㸪ᛶู㸪⫋ᴗ࡟㛵ࡍࡿ ᝟ሗࢆᚓ࡚࠸ࡿ㸬ࡑࢀࡽࡢ㞟ィ⤖ᯝࢆ௨ୗᅗ  ࡟♧ࡍ㸬. ᅗ 2 ྛ㑊㞴ᡤ࡟㏨ࡆࡿேࡢேᩘ㸦N=148㸧 ὠἼࡢ㝿࡟㏨ࡆࡿሙᡤ࡜ࡋ࡚㸪༙ᩘ௨ୖ࡟ཬࡪ  ேࡀ ᒣഃࢆ㑅ᢥࡋࡓ㸬ᒣഃ࡟㏨ࡆࡿ࡜ゝࡗࡓேࡢከࡃࡣ೺ᖖ⪅ ᅗ 1 ᖺ௦ูேᩘ㸦N=179㸧࡜⏨ዪẚ㸦N=181㸧. ࡛࠶ࡾ㸪ᒣഃ࡟㉮ࡗ࡚㏨ࡆࡽࢀࡿ࡜࠸࠺⮬ಙࡢ࠶ࡿே࡜࠸ ࠼ࡿ㸬୍᪉࡛ከࡃࡢேࡀ᥼ㆤࢆᚲせ࡜ࡍࡿ  ௦ࡢ㑊㞴ඛࡢ.  ௨ୖࡢ㞟ィ⤖ᯝࡣ࢔ࣥࢣ࣮ࢺᑐ㇟⪅࠿ࡽᚓࡽࢀࡓࡶࡢ࡛. ពྥࡣᆅ༊ෆࡢ㑊㞴ࢱ࣮࣡ࡀ᭱ࡶከࡃ㸪ᒣ࡬ࡢ㑊㞴ࡣ㛫࡟. ࠶ࡾ㸪᪥୰࡟ᐙ࡟࠸ࡿࡇ࡜ࡀከ࠿ࡗࡓఫẸࡢᶆᮏᩘࡀከࡃ㸪. ྜࢃ࡞࠸ࡢ࡛ࡣ࡞࠸࠿࡜࠸࠺୙Ᏻ࠿ࡽ㑅ࡪࢣ࣮ࢫࡀぢࡽࢀ. ẚ㍑ⓗ㧗㱋ࡢዪᛶࡢᅇ⟅ࡀከ࠸㸬. ࡓ㸬ࡉࡽ࡟  ௦࡟࡞ࡿ࡜㸪㑊㞴ࢱ࣮࣡࡬ࡢ㑊㞴ࡍࡽཝࡋ࠸.  ஦๓࡟ᆅᇦࡢ᪉ࡀㄪᰝࡋࡓ⤖ᯝ࡟ࡼࡿ࡜㸪㧗㱋⪅ࡢᩘࡣ. ࡜࠸࠺ேࡀከࡃ㸪ᐙࡢ  㝵࡟㏨ࡆࡿ࡜⟅࠼ࡓேࡀ᭱ࡶከ࠿. 154 ே㸪ࡑࡢ࠺ࡕ⊂ᒃ⪁ேࡣ 56 ே࡛㧗㱋໬⋡ࡣ 23.6%࡜㸪. ࡗࡓ㸬ࡲࡓ㸪 ௦ࢆྵࡵ㸪ືࡅ࡞࠸㧗㱋⪅ࢆᐙ᪘ࡀຓࡅ࡟. 㯮₻⏫඲యࡢ㧗㱋໬⋡ 32.4%࡟ẚ࡭ࡿ࡜ࡸࡸప࠸ഴྥ࡟࠶. ⾜ࡗ࡚㸪ᒣഃࡲ࡛㏨ࡆࡿ࡜࠸࠺ࢣ࣮ࢫࡶ࠶ࡿ㸬. ࡿ㸬 ࡇࡢᆅᇦ࡛ࡣ⁺ᴗ࣭㎰ᴗ㸦ࡽࡗࡁࡻ࠺㸧࡞࡝ࡢ➨㸯ḟ⏘. 㹫ࡢ㑊㞴᝿ᐃࢆ๓ᥦ࡜ࡍࢀࡤ㸪ᐙࡢ  㝵࡟࡜࡝ࡲࡿ࡜ ࠸࠺㑅ᢥ⫥ࢆࡋࡓሙྜ㸪ຓ࠿ࡽ࡞࠸࡜࠸࠺⤖ᯝ࡟࡞ࡿࡓࡵ㸪. ᴗ࡟ᚑ஦ࡋ࡚࠸ࡿேࡢ๭ྜࡀከࡃ㸪௒ᅇࡢㄪᰝ࡛ࡣ 17㸣ࡀ. ㄪᰝ࠿ࡽ᫂ࡽ࠿࡟࡞ࡗࡓᐙ᪘ࡶࡋࡃࡣ㏆㞄ఫẸࡢ㛫࡛ࡢຓ. ⁺ᴗ㸪13㸣ࡀࡽࡗࡁࡻ࠺㎰ᴗࢆࡋ࡚࠸ࡿ࡜࠸࠺⤖ᯝࡀฟ࡚. ࡅྜ࠸࡟ࡼࡗ࡚඲ဨࡀ↓஦࡟㑊㞴࡛ࡁࡿ᪉ἲࢆᶍ⣴ࡍࡿᚲ. ࠸ࡿ㸬ࡲࡓ➨ 1 ḟ⏘ᴗࡢேࢆྵࡵ㸪ᆅ༊඲య࡜ࡋ࡚࿘㎶࡟. せࡀ࠶ࡿ㸬. ⫋ሙࡀ࠶ࡿ࡜࠸࠺ேࡀከࡃ㸪᫨㣗ࡣᐙ࡟ᖐࡗ࡚ࡁ࡚ྲྀࡿ࡜. ⓒ 2013 Information Processing Society of Japan. 㑊㞴ࡍࡿ㝿࡟୙Ᏻ࡞ࡇ࡜࡜ࡋ࡚᭱ࡶከࡃᣲࡆࡽࢀࡓࡢ. 2.

(3) Vol.2013-IS-123 No.1 2013/3/15. ᝟ሗฎ⌮Ꮫ఍◊✲ሗ࿌ IPSJ SIG Technical Report ࡣ㸪ᆅ㟈ື࡟ࡼࡿᘓ≀ࡸ㐨㊰ࡢᦆቯ㸪㑊㞴㐨ࡢᑍ᩿࡛࠶ࡿ㸬. ࠿ࡽࡣ㸪ᙉࡳ࡛࠶ࡿ࡜ゝ࠼ࡿ㸬ࡋ࠿ࡋ㸪࢔ࣥࢣ࣮ࢺᅇ⟅⪅. ࡲࡓ㸪㌴㑊㞴࡟ࡼࡿ㐨㊰ࡢΰ㞧࡞࡝ࡶᣲࡆࡽࢀࡓ㸬ࡑࢀ࡟. ࡔࡅ࡛ࡶ  ேࡀ᥼ㆤࢆᚲせ࡜ࡋ࡚࠾ࡾ㸪௬࡟᫨㛫࡟ὠἼࡀ. 㛵㐃ࡋ࡚㸪㑊㞴ࡢ㝿ࡢ஺㏻ᡭẁ࡜ࡋ࡚㌴ࢆ౑࠺ࡇ࡜ࢆࡓࡵ. ᮶ࡿሙྜ࡟ࡣ㸪ຓࡅ࡟⾜ࡃேࡀ┦ᑐⓗ࡟㊊ࡽ࡞࠸࡜࠸࠺≧. ࡽ࠺ఫẸࡀከ࠿ࡗࡓ㸬ㄪᰝࡢ㞟ィ࡟ࡼࡿ࡜㸪ከࡃࡢఫẸࡀ. ἣ࡟࡞ࡿࡇ࡜ࡀ⪃࠼ࡽࢀࡿ㸬ࡲࡓ㸪㏫࡟᫨㛫࡛࠶ࡗ࡚ࡶ㸪. ᚐṌࢆ㑅ᢥࡋ࡚࠸ࡿࡀ㸪✚ᴟⓗ࡟ᚐṌ࡛⾜ࡁࡓ࠸࡜࠸࠺ࡼ. ᆅ༊እ࠿ࡽᡠࡗ࡚ࡁ࡚ᐙ᪘ࢆຓࡅࡿሙྜ㸪እ࿘㐨㊰࡛⾜ࡁ. ࡾࡶ㸪 ࠕ㌴ࢆ౑࠸ࡓ࠸ࡅࢀ࡝㸪ࡓࡪࢇ↓⌮ࡔ࡜ᛮ࠺࠿ࡽ㸪ᚐ. ஺࠺㌴ࡢΰ஘ࡀ᝿ᐃࡉࢀࡿࡓࡵ㸪ᆅ༊ෆ࡛ຠ⋡ⓗ࡟せ᥼ㆤ. Ṍ࡛㏨ࡆࡿࡋ࠿࡞࠸ࠖ࡜࠸࠺ேࡀከ࠸㸬. ⪅ࢆ㑊㞴ࡉࡏࡿᚲせࡀ࠶ࡿ㸬. ࡇࡢ⤖ᯝ࠿ࡽ㸪⌧ᅾࡣᚐṌ࡜⟅࠼ࡿேࡀከࡃ࡚ࡶ㸪ᆅ㟈. . ື࡟ࡼࡿ⿕ᐖࡀᑡ࡞ࡃ㐨㊰ࡀ౑࠼ࡿࡼ࠺࡞≧ἣ࡛࠶ࡗࡓሙ. (4) ຓࡅྜ࠸㑊㞴ࡢពྥ. ྜࡣ㌴㑊㞴࡟⛣⾜ࡍࡿேࡀฟ࡚ࡃࡿྍ⬟ᛶࡀ࠶ࡿ࡜࠸࠼ࡿ㸬.  ࠕᐙࡢ㏆ࡃ࡟ຓࡅ࡟⾜ࡗࡓࡾ㸪ᵝᏊࢆぢ࡟⾜࠿࡞ࡅࢀࡤ. ࡋࡓࡀࡗ࡚㸪㧗㱋⪅ࡸᏊ౪ࡀ࠸ࡿᐙᗞ࡞࡝࡛₯ᅾⓗ࡟㌴. ࡞ࡽ࡞࠸࠾ᖺᐤࡾࡸ㞀ᐖ⪅ࡀ࠸ࡿ࠿ࠖ࡜࠸࠺ၥ࠸࡟ᑐࡋ࡚㸪. 㑊㞴ࡢྍ⬟ᛶࢆ⛎ࡵ࡚࠸ࡿఫẸ࡟ࡘ࠸࡚ࡶ᳨ウࡍࡿᚲせࡀ.  ேࡀࠕ࠸ࡿࠖ࡜ᅇ⟅ࡋࡓ㸬ࡑࡢ୰࡛≉ᐃࡢேࢆᣲࡆࡓே. ࠶ࡿ࡜⪃࠼ࡽࢀࡿ㸬. ࡟㛵ࡋ࡚㸪ຓࡅ࡟⾜ࡃᑐ㇟࡜࡞ࡿேࢆ௨ୗᅗ  ࡢࢢࣛࣇ࡟. ᭱ึ࡟⪺࠸ࡓ㑊㞴ሙᡤ࡛㑊㞴ࢱ࣮࣡ࢆ㑅ࡤ࡞࠿ࡗࡓே. ࡲ࡜ࡵࡓ㸬㉁ၥ࡟࠾࠸࡚㸪ࠕ㏆ᡤࠖ࡜࠸࠺ព࿡࡛ࠕ㏆ࡃ࡟ࠖ. ࡟ᑐࡋ࡚㸪᪂ࡋ࠸㑊㞴ࢱ࣮࣡࡬ࡢ㑊㞴ពྥࢆ⪺࠸ࡓ࡜ࡇࢁ㸪. ࡜࠸࠺ࡇ࡜ࡤࡀྵࡲࢀ࡚࠸ࡿࡓࡵ㸪ྠᒃࡢᐙ᪘ࢆຓࡅ࡟⾜.  ேࡢேࡀ᪂ࡓ࡟ࢱ࣮࣡࡬ࡢ㑊㞴ពྥࢆ♧ࡋࡓ㸬ࡶ࡜ࡶ࡜. ࡃ࡜࠸࠺ࢣ࣮ࢫࡣྵࡲࢀ࡚࠸࡞࠸㸬. 㑊㞴ࢱ࣮࣡࡟ࠕ㑊㞴ࡍࡿࠖ࡜⟅࠼࡚࠸ࡓே࡜ᩘࢆྜࢃࡏࡿ ࡜㸪 ே࡛㸪⣙ࡢேࡀ㑊㞴ࡋࡓ࠸࡜⪃࠼࡚࠸ࡿࡇ ࡜ࡀศ࠿ࡗࡓ㸬 ྛࠎࡢ㑊㞴ሙᡤࢆ㑅ࢇࡔ⌮⏤ࢆ⪺࠸ࡓ㝿࡟㸪㑊㞴ࢱ࣮࣡ 㑊㞴࡟࠾࠸࡚㧗ࡉࡢ୙㊊ࡢၥ㢟ࡸ㸪཰ᐜேᩘ࡬ࡢ୙Ᏻ࠿ࡽ㸪 ㏨ࡆࡓࡃ࡞࠸࡜࠸࠺ពぢࡀᣲࡆࡽࢀࡓࡀ㸪᪂ࡋ࠸㑊㞴ࢱ࣡ ࣮ࡣ㧗ࡉࡀ⌧ᅾࡢ᝿ᐃὠἼࡼࡾࡶ㧗ࡃ㸪཰ᐜேᩘࡢつᶍࡀ ኱ࡁࡃ࡞ࡿࡓࡵ㸪㑊㞴ࢱ࣮࣡࡟㑊㞴ࡍࡿࡇ࡜ࢆࡓࡵࡽ࠺ከ ࡃࡢఫẸࡢ୙Ᏻࢆゎᾘࡍࡿ࡜⪃࠼ࡽࢀࡿ㸬 ୍᪉࡛㸪౫↛࡜ࡋ࡚㑊㞴ࡋࡓࡃ࡞࠸࡜⟅࠼ࡓே࡟ࡣ㸪஧ ᗘ㏨ࡆ࡛ࡁ࡞࠸୙Ᏻ࡜㸪ࢱ࣮࣡ࡢ࠶ࡗࡓሙᡤࡀࡶ࡜ࡶ࡜◁ ᆅ࡛࠶ࡗࡓࡇ࡜࡞࡝ࡀᣲࡆࡽࢀࡓ㸬  (3) せ᥼ㆤ⪅ࡢᐇែ. ᅗ 4 ຓࡅ࡟⾜ࡃᑐ㇟࡜࡞ࡿே㸦N=51㸧.  ᅗ  ࡣ㸪㑊㞴ࡢ㝿࡟௓ຓࡀᚲせ࡜⟅࠼ࡓே㸦せ᥼ㆤ⪅㸧 ࢆᖺ௦ู࡟ࡋࡓࡶࡢ࡛࠶ࡿ㸬. ࡇࡢ⤖ᯝ࠿ࡽ㸪 ࠕẕࠖࢆຓࡅ࡟⾜ࡃ࡜࠸࠺ࢣ࣮ࢫࡀ᭱ࡶከࡃ㸪 ḟ࠸࡛ࠕᏊࠖ㸪ࠕ㏆ᡤࡢேࠖ㸪ࠕ∗ࠖ࡜࡞ࡗ࡚࠾ࡾ㸪ぶᏊ㛵ಀ ࡢ㛫࡛ຓࡅ࡟⾜ࡁࡓ࠸࡜⪃࠼ࡿேࡀከ࠸࡜࠸࠺ࡇ࡜ࡀࢃ࠿ ࡿ㸬  ࡋ࠿ࡋ㸪ࡇࡢຓࡅྜ࠸㛵ಀࢆᆅᅗୖ࡛ぢ࡚ࡳࡿ࡜㸪ᆅ༊ ෆࡢ⛣ື㊥㞳ࡀྛࠎ࡛㛗ࡃ㸪༡➃࠿ࡽす➃࡬㸪໭➃࠿ࡽ୰ ᚰ㒊࡬㸪࡜࠸࠺ࡼ࠺࡞஺㘒ࡋࡓ⛣ືࡀ⾜ࢃࢀ㸪ᆅ༊ෆࡢ㐨 ㊰ࡀΰ஘ࡍࡿྍ⬟ᛶࡀ࠶ࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓ㸬  ࡇࡢࡇ࡜࠿ࡽ㸪ᆅ༊ෆ࡛ຠ⋡ⓗ࡟㑊㞴ࢆ⾜࠺ࡓࡵ࡟ࡣຓ ࡅྜ࠸ࡢ㛵ಀ࡟ࡘ࠸࡚ᐙ᪘㛵ಀ࡛ࡣ࡞ࡃ㏆ᡤྠኈ࡛⾜࠺࡞ ࡝㸪ᴟຊ⛣ື㊥㞳ࢆ▷ࡃࡍࡿᚲせࡀ࠶ࡿ࡜࠸࠺♧၀ࡀᚓࡽ ࢀࡿ㸬 . ᅗ 3 ᖺ௦ู ௓ຓࡀᚲせ࡞ே㸦N=177㸧 ᥼ㆤࡢᚲせᛶࡀ࠶ࡿேࡢከࡃࡣ  ௦௨ୖ࡛࠶ࡾ㸪 ௦ ࡛᥼ㆤࡀᚲせ࡞ேࡣ㞀ᐖࡀ࠶ࡿேࡢࡳ࡛࠶ࡗࡓ㸬㧗㱋⪅࡛. (5) ᐙࡢ⪏㟈デ᩿࣭ᐙලࡢᅛᐃ࡟ࡘ࠸࡚  ᐙࡢ⪏㟈デ᩿࠾ࡼࡧ⪏㟈໬㸪ᐙලࡢᅛᐃࡢᐇ᪋≧ἣࢆㄪ ᰝࡋࡓ⤖ᯝࢆᅗ  ࡟♧ࡍ㸬. ඖẼ࡞ேࡀከ࠸ࡇ࡜ࡣࡇࡢᆅ༊ࡢ≉ᚩ࡛࠶ࡾ㸪㜵⅏ࡢほⅬ. ⓒ 2013 Information Processing Society of Japan. 3.

(4) Vol.2013-IS-123 No.1 2013/3/15. ᝟ሗฎ⌮Ꮫ఍◊✲ሗ࿌ IPSJ SIG Technical Report. 㞴ࢱ࣮࣡㸦ᆅ༊ෆ㸧㸪࠶࠿ࡘࡁ㤋㸦ᆅ༊እ㸪㑊㞴ࢱ࣮࣡ࡢᶵ ⬟ࢆᣢࡘ㸧㸪⏫Ẹ㤋㸦ᆅ༊ෆ㸧㸪㘊㔝㸦ᆅ༊໭㒊ࡢ㧗ྎ㸧㸪⥳ 㔝㸦ᆅ༊໭す㒊ࡢ㧗ྎ㸧ࡢ࡝ࢀ࠿ࢆ๭ࡾ᣺ࡗࡓࠋࡑࢀ௨እ ࡢ㑊㞴ඛࡣ㸪ὠἼ࡟ࡼࡿ⿕ᐖࡢ༴㝤ᛶࡀ㧗࠸ࡓࡵ㸪㑊㞴ඛ ࡜ࡋ࡚㐺ᙜ࡛࡞࠸࡜ุ᩿ࡋ㸪㑅ᢥ⫥࡜ࡋ࡞࠿ࡗࡓࠋ (3)ᖺ㱋  ྛேࡢᖺ㱋ࢆㄪᰝࡋ㸪ᖺ௦ู࡟୚࠼ࡓࠋ (4)ᐙ᪘㛵ಀ  ୡᖏࢆᵓᡂࡍࡿ࢚࣮ࢪ࢙ࣥࢺྠኈࡣ㐃ືࡋ࡚ືࡅࡿࡼ࠺ ࡟㸪㛵ಀࣜࣥࢡࢆタᐃࡋࡓࠋ (4)㑊㞴㏿ᗘ  ᅜᅵ஺㏻┬ࡀᮾ᪥ᮏ኱㟈⅏࡟࠾ࡅࡿὠἼ㑊㞴⪅࠿ࡽࡢ⪺ ࡁྲྀࡾㄪᰝ࡟ࡼࡗุ࡚᫂ࡋࡓ㏿ᗘࢆ࣮࣋ࢫ࡜ࡋ࡚⏝࠸ࡓ 4)ࠋ ᅗ 5 ᐙࡢ⪏㟈デ᩿࣭⪏㟈⿵ᙉ࣭ᐙලࡢᅛᐃࡢᐇ᪋≧ἣ. ලయⓗ࡟ࡣ㸪10 ṓ௨ୖ 70 ṓᮍ‶ࡢேࡢᖹᆒ㏿ᗘࢆ᫬㏿ 2.65km㸪10 ṓᮍ‶ࡸ 70 ṓ௨ୖࡢேࡣ᫬㏿ 1.88km㸪Ꮚ࡝ࡶ.  ࡇࡢ⤖ᯝࡣࢩ࣑࣮ࣗࣞࢩࣙࣥ୰࡛㸪㑊㞴ࢆጞࡵࡿࡲ࡛ࡢ. ࡸ㧗㱋⪅࡜୍⥴࡟㏨ࡆࡿሙྜࡣ᫬㏿ 1.96km ࡜࡞ࡿࡼ࠺࡟. ᫬㛫ࢆỴࡵࡿࣃ࣓࣮ࣛࢱ࡜ࡋ࡚⏝࠸ࡽࢀࡿ㸬⪏㟈⿵ᙉࢆࡋ. タᐃࡋࡓࠋ. ࡚࠸࡞࠸ᐙ࡟ఫࢇ࡛࠸ࡿேࡸ㸪ᐙලࡢᅛᐃࢆࡋ࡚࠸࡞࠸ே. (4)ఫᒃࡢ⪏㟈ᛶ. ࡣ㸪ᑡ࡞࠿ࡽࡎᆅ㟈ື࡟ࡼࡿᘓ≀ࡢᦆቯࡢᙳ㡪ࢆཷࡅࡿࡶ.  ༡ᾏࢺࣛࣇᕧ኱ᆅ㟈ࡢ᝿ᐃ࡛ࡣ㸪ᑐ㇟ᆅᇦࡣ㟈ᗘ㸵ࡀ᝿. ࡢ࡜ࡋ㸪㑊㞴㛤ጞ᫬้ࡀ㐜ࢀࡿࡼ࠺࡟タᐃࡉࢀࡿ㸬. ᐃࡉࢀ࡚࠾ࡾ㸪⪏㟈ᛶࡢప࠸ᘓ≀࡛ࡣಽቯࡢ༴㝤ᛶࡀ㧗࠸ࠋ.  ᅗ 5 ࡢ⤖ᯝ࠿ࡽ㸪ᐙࡢ⪏㟈デ᩿࣭⪏㟈⿵ᙉ࣭ᐙලࡢᅛᐃ. (5)㑊㞴㛤ጞࡲ࡛࡟࠿࠿ࡿ᫬㛫. ࡢᐇ᪋≧ἣࡣ࠶ࡲࡾ㐍ࢇ࡛࠸࡞࠸ࡇ࡜ࡀࢃ࠿ࡿ㸬.  ⪏㟈ᛶࡢప࠸ᘓ≀࡟࠸ࡿே࡟ࡣᘓ≀ಽቯࢆ᝿ᐃࡋ㸪୍ᚊ ࡛ᚅࡕ᫬㛫ࢆタᐃࡋࡓࠋ⪏㟈ᛶࡢ㧗࠸ᘓ≀࡟ఫࢇ࡛࠸ࡿே. 3. ࢚࣮ࢪ࢙ࣥࢺᢏἲࢆ⏝࠸ࡓ㑊㞴ࢩ࣑࣮ࣗࣞ ࢩࣙࣥࡢᵓ⠏. ࡣ㸪ᆅ㟈ࡢᦂࢀ࡟ࡼࡾືసࡀ࡛ࡁ࡞࠸᫬㛫ࢆ 3 ศ㸦ᦂࢀࡀ ཰ࡲࡿࡲ࡛ 2 ศ࡜యไࢆᩚ࠼ࡿࡢ࡟ 1 ศ࡜᝿ᐃ㸧࡜ࡋ㸪ࡉ ࡽ࡟ୡᖏ࡟ࡼࡗ࡚ࡣ㸪ࣉࣛࢫ 10 ศࡲ࡛ࡢ᫬㛫ࢆࣛࣥࢲ࣒࡟.  ୖグࡢㄪᰝ⤖ᯝ࠿ࡽ㸪ఫẸࢆ࢚࣮ࢪ࢙ࣥࢺ࡜ࡋࡓὠἼ㑊. ๭ࡾ᣺ࡗࡓࠋ. 㞴ࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ࣐ࣝࢳ࢚࣮ࢪ࢙ࣥࢺ ࢩ࣑࣮ࣗࣞࢩ. (6)ఫᒃ࠿ࡽฟࡓ࡜ࡁࡢ㐨㊰ୖࡢ఩⨨㸦⋞㛵఩⨨࡟┦ᙜ㸧. ࣙࣥࣉࣛࢵࢺࣇ࢛࣮࣒࡛࠶ࡿࠕartisocࠖ2)ࡢୖ࡟ᵓ⠏ࡋࡓࠋ.  㑊㞴㛤ጞࡢ㝿࡟ఫᒃ࠿ࡽฟࡿ఩⨨ࠋ⋞㛵ࡢሙᡤ࡟ࡼࡾ࡝. ࡲࡎ㸪ᑐ㇟ᆅᇦࡢᆅ⌮᝟ሗࢆࢩ࣑࣮ࣗࣞࢩࣙࣥ⎔ቃ࡜ࡋ࡚. ࡢ⤒㊰ୖࡶࡋࡃࡣ஺ᕪⅬୖ࡟ฟࡿ࠿ࡀኚࢃࡿࠋ. ‽ഛࡍࡿࠋ. (7)ึᮇࡢ᪉ྥ. ࣮࣋ࢫ࣐ࢵࣉ࡜ࡋ࡚㸪ᅜᅵᆅ⌮㝔 3)ࡀᥦ౪ࡍࡿ 1:2500 ࡢ ᇶ┙ᆅᅗ᝟ሗࢆ฼⏝ࡋࡓࠋලయⓗ࡟ࡣ㑊㞴⤒㊰࡜࡞ࡿ㡿ᇦ ࡟ࡣ㐨㊰⦕᝟ሗࢆ㸪ఫẸࡢఫᒃ㡿ᇦ࡜ࡋ࡚ᘓ≀᝟ሗࢆ⏝࠸.  ⤒㊰࡟᭱ึ࡟ฟࡓ㝿࡟ྥ࠿࠺࡭ࡁࣀ࣮ࢻࡢ᪉ྥࠋ㑊㞴ඛ ࡟ᛂࡌ࡚Ỵᐃࡉࢀࡿࠋ ࡲࡓ㸪ࡇࢀࡽࡢᒓᛶࢆᇶ࡟ࡋ࡚㸪௨ୗࡢࡼ࠺࡟ࡩࡿࡲ࠺. ࡓࠋ㑊㞴⤒㊰࡜࡞ࡿ㡿ᇦࢆ㝈ᐃࡋ࡚㸪㐨㊰஺ᕪⅬ࡟ࣀ࣮ࢻ. ࡼ࠺࡟タィࡋࡓࠋ. ␒ྕࢆ㸪ࣀ࣮ࢻ㛫ࢆࡘ࡞ࡄ⤒㊰࡟ࡣࣜࣥࢡ␒ྕ࡜ᑠࡉ࠸ࣀ. (1)⤒㊰ୖࡢࡳࢆ⛣ືࡍࡿ. ࣮ࢻ␒ྕ࠿ࡽ኱ࡁ࠸ࣀ࣮ࢻ␒ྕ࡟ྥ࠿࠺ྥࡁࢆṇ࡜ࡍࡿᇶ. ⤒㊰௨እ࡟ࡶ㏻㐣࡛ࡁࡿྍ⬟ᛶࡀ࠶ࡿሙᡤ㸦බᅬ➼㸧ࡣ. ᮏ᪉ྥ㸪㐍ࡴ࡭ࡁゅᗘࢆ 50cm ࣆࢵࢳ࡛୚࠼ࡓࠋࡲࡓ㸪ྛ. Ꮡᅾࡍࡿࡀ㸪௒ᅇࡣ⤒㊰ୖࡢࡳࢆ⛣ືࡍࡿࠋ. ࣀ࣮ࢻ࡛᭱⤊┠ⓗᆅ࡜࡞ࡿࣀ࣮ࢻࢆᣦᐃࡍࡿ࡜㸪ḟ࡟┠ᣦ. (2)⤒㊰ୖ࡛ࡶ㞀ᐖ≀ࡀ࠶ࢀࡤᅇ㑊ࡍࡿ. ࡍ࡭ࡁࣀ࣮ࢻࢆᩍ♧ฟ᮶ࡿࡼ࠺࡟ࢹ࣮ࢱࢆᩚഛࡋࡓࠋࡇࡢ.  ㊰ୖ㥔㌴࡞࡝ࡢ㞀ᐖ≀ࡀᏑᅾࡍࢀࡤ㸪ᅇ㑊⾜ືࢆ࡜ࡿࠋ. 㝿࡟ࡣ⤒㊰ࡣ᭱▷⤒㊰᥈⣴࢔ࣝࢦࣜࢬ࣒࡟ࡼࡗ࡚ࡶࡓࡽࡉ. (1)㐍⾜᪉ྥ࡟࢚࣮ࢪ࢙ࣥࢺࡀᏑᅾࡍࢀࡤᅇ㑊ࡍࡿ. ࢀࡿࡶࡢ࡜ࡋࡓࠋ.  㐍⾜᪉ྥ࡟⛣ື㏿ᗘࡢ㐜࠸࢚࣮ࢪ࢙ࣥࢺࡀ࠸ࡓࡾ㸪ูࡢ. 㸯࢚࣮ࢪ࢙ࣥࢺࡣఫẸ୍ே࡜ࡋ㸪௨ୗࡢᒓᛶࢆᣢࡘࡶࡢ. 㑊㞴ඛ࡟ྥ࠿࠺࢚࣮ࢪ࢙ࣥࢺ࡜ࡍࢀ㐪࠺ሙྜ࡟ࡣᅇ㑊⾜ື. ࡜ࡋࡓࠋ. ࢆ࡜ࡿࠋ. (1)఩⨨᝟ሗ.  ࢩ࣑࣮ࣗࣞࢩࣙࣥࡣ㸪1step ࢆ 0.5 ⛊࡜ࡋ㸪ࡍ࡭࡚ࡢ࢚࣮.  ኪ㛫ࢆ᝿ᐃࡋ㸪ึᮇ఩⨨ࡣఫᒃෆ࡜ࡋࡓࠋ. ࢪ࢙ࣥࢺࡀ㑊㞴ඛ࡟฿㐩ࡍࡿࡲ࡛⾜࠺ࡇ࡜࡜ࡋࡓࠋᅗ 6 ࡟. (2)㑊㞴ඛ. ࢩ࣑࣮ࣗࣞࢩࣙࣥ⤖ᯝࢆ GIS ୖ࡟ᒎ㛤ࡋࡓࢩ࣑࣮ࣗࣞࢩࣙ.  ࣄ࢔ࣜࣥࢢㄪᰝ࡟࠾࠸࡚ᅇ⟅ࡢ࠶ࡗࡓ㑊㞴ඛࡢ࠺ࡕ㸪㑊. ࣥ࢖࣓࣮ࢪࢆ♧ࡍࠋ. ⓒ 2013 Information Processing Society of Japan. 4.

(5) Vol.2013-IS-123 No.1 2013/3/15. ᝟ሗฎ⌮Ꮫ఍◊✲ሗ࿌ IPSJ SIG Technical Report. ࡳ࡛ࡣୖࡀࢀ࡞࠸ே㸪⮬ศࡔࡅ࡞ࡽୖࡀࢀࡿࡀ㸪ㄡ࠿ࢆᡭ ఏ࠺࡯࡝ࡢవ⿱ࡣ࡞࠸࡜࠸࠺ពぢࡶከࡃ⪺࠸ࡓࠋ௬࡟㸪㸵 㸮ṓ௨ୖࡢேࡀຓࡅࢆᚲせ࡜ࡋ㸪㸴㸮௦ࡢேࡣ㸪⮬ຊ࡛ୖ ࡿࡢࡳ࡛㸪ຓࡅྜ࠸࡟ࡣຍࢃࢀ࡞࠸࡜࡚ࡶ㸪20 ௦࠿ࡽ 50 ௦ࡢேࡢຊࢆ⤖㞟ࡍࢀࡤఱ࡜࠿඲ဨࢆ࠶ࡆࡿࡇ࡜ࡀྍ⬟࡛ ࠶ࡿࡀ㸪ࡇࡇ࡛ࡣ⪃៖ࡋ࡚࠸࡞࠸ᘓ≀ࡢಽቯࡸ㸪㐨㊰ࡢ㛢 ሰࡀ࠶ࡾ㸪70 ṓ௨ୖࡢ㧗㱋⪅ࡢ㊊ࡀ㐜ࡃ฿㐩ࡍࡿࡢࡀࡂࡾ ࡂࡾ࡟࡞ࢀࡤ㸪ຓࡅࡿഃࡶ኱ࡁ࡞༴㝤ࢆෑࡉ࡞ࡅࢀࡤ࡞ࡽ ࡞ࡃ࡞ࡿࡇ࡜ࡀㄞࡳྲྀࢀࡿࠋ ᅗ 6 ࢩ࣑࣮ࣗࣞࢩࣙࣥࡢ࢖࣓࣮ࢪ. 4. ࢩ࣑࣮ࣗࣞࢩࣙࣥ⤖ᯝ࠿ࡽࡢ⪃ᐹ. 5. ࠾ࢃࡾ࡟  ᮏ✏࡛ࡣ㸪࢚࣮ࢪ࢙ࣥࢺᢏἲࢆ⏝࠸ࡓࢩ࣑࣮ࣗࣞࢱ࣮ࢆ ὠἼ㑊㞴࡟ᛂ⏝ࡋ㸪㑊㞴ィ⏬సᡂ᫬࡟⪃៖ࡋ࡚࠾ࡃ࡭ࡁ㡯.  ⪃ᐹࡢ࣏࢖ࣥࢺࡣ㸪࠸ࡃࡘ࠿࠶ࡿࡀ㸪ࡇࡇ࡛ࡣ㑊㞴ࢱ࣡. ┠࡟ࡘ࠸࡚⪃ᐹࡋࡓࠋࡲࡎ㸪ᑐ㇟ᆅᇦࡢఫẸ࡟ᑐࡋ㸪ὠἼ. ࣮࡬ࡢ㑊㞴࡟㛵ࡋ࡚⪃ᐹࢆ⾜࠺ࠋᅗ 7 ࡣࢩ࣑࣮ࣗࣞࢩࣙࣥ. 㑊㞴࡟㛵ࡋ࡚࢖ࣥࢱࣅ࣮ࣗㄪᰝࢆ⾜࠸㸪ᆅᇦࡢேࠎࡢὠἼ. ⤖ᯝ࠿ࡽ㸪㑊㞴ࢱ࣮࣡࡬ࡢ฿㐩⪅ࢆᖺ௦ู࡟♧ࡋࡓࡶࡢ࡛. 㑊㞴࡟ᑐࡍࡿព㆑࡟ࡘ࠸࡚⪃ᐹࡋࡓࠋࡇࡢࢹ࣮ࢱࢆᇶ࡟ఫ. ࠶ࡿࠋࡇࡢࢩ࣑࣮ࣗࣞࢩ࡛ࣙࣥࡣ⡆༢ࡢࡓࡵ㸪㊰ୖ㥔㌴࡞. Ẹ࢚࣮ࢪ࢙ࣥࢺࢆᵓ⠏ࡋ㸪㑊㞴ࢩ࣑࣮ࣗࣞࢩࣙࣥࢆᐇ⿦ࡋ. ࡝ࡢ㞀ᐖ≀ࡣ࡞ࡃ㸪ᐙᒇಽቯࡸ㐨㊰㛢ሰ࡞࠸≧ែ࡛㸪ࡍ࡭. ࡓࠋࢩ࣑࣮ࣗࣞࢩࣙࣥ⤖ᯝ࠿ࡽࢱ࣮࣡࡬ࡢ฿㐩⪅ᩘ࡜฿㐩. ࡚ࡢேࡀᆅ㟈Ⓨ⏕ᚋ㸪3 ศ࠿ࡽ 8 ศ࡛㑊㞴ࢆ㛤ጞࡍࡿࡶࡢ. ᫬้ࢆࡶ࡜࡟㑊㞴ィ⏬⟇ᐃࡢ㝿࡟⪃៖ࡋ࡚࠾ࡃᚲせࡀ࠶ࡿ. ࡜ࡋࡓࠋ㑊㞴ࢩ࣑࣮ࣗࣞࢩࣙࣥࡢ㛤ጞ᫬้ࡣᆅ㟈┤ᚋࡢື. Ⅼ࡟ࡘ࠸࡚⪃ᐹࡋࡓࠋᮏ◊✲ෆᐜ࡟ࡘ࠸࡚ࡣ 2013 ᖺ 2 ᭶. ࡅ࡞࠸᫬㛫ࢆ㐣ࡂࡓ᫬Ⅼ㸦3 ศᚋࢆ᭱ప㝈ࡢ┠Ᏻ࡜⪃࠼࡚. 23 ᪥࡟ఫẸㄝ᫂఍ࢆ⾜࠸㸪ᑐ㇟ᆅ༊࡟㑏ඖࡍࡿࡇ࡜࡟࡞ࡗ. ࠸ࡿ㸧࡛࠶ࡿࠋ. ࡚࠸ࡿࠋࢩ࣑࣮ࣗࣞࢩࣙࣥ⤖ᯝ࡟ࡘ࠸࡚ࡣ࢔ࢽ࣓࣮ࢩࣙࣥ ࡜ࡋ࡚ྍど໬ᥦ♧ࡍࡿࡇ࡜࡛㸪⅏ᐖ᫬ࢆ᝿ᐃࡋࡓᛮ⪃ࢆ㧗 ࡵࡿຠᯝࡀ࠶ࡿ࡜⪃࠼࡚࠸ࡿࠋ௒ᚋࡢㄢ㢟࡜ࡋ࡚ࡣ㸪௒ᅇ㸪 ⪃៖ࡋ࡞࠿ࡗࡓ㊰ୖ㥔㌴㸪ᐙᒇಽቯ࡜㐨㊰㛢ሰ࡜࠸ࡗࡓᆅ 㟈ࡢᙳ㡪ࢆ⪃៖࡟ධࢀࡓࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⾜࠺ᚲせࡀ࠶ ࡿࠋࡉࡽ࡟㸪㌴ࢆ฼⏝ࡋࡓ㑊㞴ࡢྍ⬟ᛶ࡟ࡘ࠸࡚ࡶ㸪ࢩ࣑ ࣮ࣗࣞࢱ࣮ࢆ฼⏝ࡋ᳨࡚ウࡋ࡚࠸ࡃணᐃ࡛࠶ࡿࠋ ㅰ㎡ ᮏ◊✲ࡣ㸪ᩥ㒊⛉Ꮫ┬࠿ࡽࡢᨭ᥼ࢆཷࡅࡓࠕᕧ኱ᆅ㟈ὠ Ἴ⅏ᐖ࡟ഛ࠼ࡿḟୡ௦ᆺ㜵⅏࣭ῶ⅏♫఍ᙧᡂࡢࡓࡵࡢ◊✲. ᅗ 7 㑊㞴ࢱ࣮࣡࡬ࡢ㑊㞴⪅ࡢ᫬㛫᥎⛣㸦ᖺ௦ู㸧 㸦⦪㍈㸸ᖺ௦ู⣼✚ᩘ㸪ᶓ㍈ࡣ᫬㛫࡛ 10 ⛊ࢆ 1 ࡜ࡋ࡚࠸ࡿ㸧. ஦ᴗ㸫ඛ➃ⓗ㜵⅏◊✲࡜ᆅᇦ㜵⅏άື࡜ࡢ┦஫ཧ⏬ᆺᐇ㊶ ࢆ㏻ࡋ࡚㸫ࠖࡢᡂᯝࡢ୍㒊࡛࠶ࡿࠋ ࡲࡓ㸪ᮏ◊✲ࡢ࢔ࣥࢣ࣮ࢺㄪᰝࡣ㸪ᆅᇦෆ࡛ࡢಙ㢗ࢆᚓ. ࢢࣛࣇ࠿ࡽࡣ 15.5 ศ㸦750 ⛊㸧ᚋ࡟ࡣ඲㑊㞴⪅ࡀ฿㐩ࡍ. ࡚࠸ࡿ㧗▱┴㯮₻⏫ࡢ⫋ဨࡢ᪉ࠎ㸪୓⾜ᆅ༊ࡢ᪉ࠎ࡟ྠ⾜. ࡿࡇ࡜ࡀࢃ࠿ࡿࠋࡇࢀࡣὠἼ฿㐩ࡢ┠Ᏻ࡛࠶ࡿᆅ㟈Ⓨ⏕࠿. ࠸ࡓࡔ࠸ࡓࡇ࡜࡛㸪ከࡃࡢே࡟ᛌࡃㄪᰝ࡟ᛂࡌ࡚࠸ࡓࡔࡃ. ࡽ 20 ศ࡟ᑐࡋ࡚㸪ᆅ㟈┤ᚋࡢືࡅ࡞࠸᫬㛫㸦᭱ప࡛ࡶ 3. ࡇ࡜ࡀ࡛ࡁࡓ㸬ࡲࡓ㸪ඹ࡟ㄪᰝࢆ⾜ࡗࡓ NHK 㧗▱ᒁࡢ᪉ࠎ. ศ࡜᝿ᐃ㸧ࢆ⪃៖ࡍࢀࡤࡂࡾࡂࡾࡢࢱ࢖࣑ࣥࢢ࡛࠶ࡿࠋࢢ. ࡟ࡣㄪᰝ⚊ࡢసᡂ㸪ㄪᰝ㸪ࡲࡓ㞟ィ࣭ศᯒࡢẁ㝵࡛኱ኚ࠾. ࣛࣇ࠿ࡽ 60 ௦㸪70 ௦ࡢேࡀከࡃ㑊㞴ࡋ࡚࠸ࡿࡢࡀࢃ࠿ࡿ. ୡヰ࡟࡞ࡗࡓ㸬ᮏ◊✲ࡣࡇࢀࡽࡢ༠ຊ࡞ࡋ࡟ࡣᡂࡋ࠼࡞࠿. ࡀ㸪㑊㞴ࢱ࣮࣡࡟฿㐩ࡍࡿࡇ࡜ࡀᏳ඲ࢆ☜ಖࡍࡿࡇ࡜࡛ࡣ. ࡗࡓࡶࡢ࡛࠶ࡿ㸬ࡇࡇ࡟㸪῝ࡃឤㅰ⏦ࡋୖࡆࡓ࠸㸬. ࡞ࡃ㸪ࢱ࣮࣡ࡢୖࡲ࡛ୖࡗ࡚ึࡵ࡚Ᏻ඲࡜࡞ࡿࠋ㑊㞴ࢱ࣡ ࣮ࡣ㸪⌧≧࡛ 12m㸪᪂᝿ᐃ࡟క࠺᪂タࢱ࣮࣡ࡣ 14m ௨ୖࡢ. ཧ⪃ᩥ⊩. 㧗ࡉ࡜࡞ࡿࠋࡘࡲࡾ㸪୍⯡ᘓ⠏≀࡛㸱㝵௨ୖࡢ㧗ࡉࡲ࡛Ⓩ. 1). ෆ㛶ᗓ༡ᾏࢺࣛࣇࡢᕧ኱ᆅ㟈ࣔࢹ᳨ࣝウ఍,. ࡽ࡞ࡅࢀࡤ࡞ࡽ࡞࠸ࠋࣄ࢔ࣜࣥࢢ᫬࡟ࡣ㸪㑊㞴ࢱ࣮࣡ࡢࡲ. http://www.bousai.go.jp/jishin/chubou/nankai_trough/nank. ࡛ࡓ࡝ࡾ╔ࡅࢀࡤ㸪㞟ࡲࡗࡓேྠኈ࡛ࡢຓࡅྜ࠸࡛㑊㞴࡛. ai_trough_top.html. ࡁࡿࡢ࡛ࡣ࡞࠸࠿࡜࠸࠺ពぢࡶ⪺࠿ࢀࡓࡀ㸪୍᪉࡛⮬ຊࡢ. ⓒ 2013 Information Processing Society of Japan. 2). ව⏣ᩄஅ㸸artisoc ࡛ጞࡵࡿṌ⾜⪅࢚࣮ࢪ࢙ࣥࢺࢩ࣑ࣗ. 5.

(6) ᝟ሗฎ⌮Ꮫ఍◊✲ሗ࿌ IPSJ SIG Technical Report. Vol.2013-IS-123 No.1 2013/3/15. ࣮ࣞࢩࣙࣥ ཎ⌮࣭᪉ἲㄽ࠿ࡽᏳ඲࣭㈰ࢃ࠸✵㛫ࡢࢹࢨ ࢖࣭࣐ࣥࢿࢪ࣓ࣥࢺࡲ࡛㸪ᵓ㐀ィ⏬◊✲ᡤ㸪᭩⡠ᕤᡣ ᪩ᒣ㸪2010㸬 3). ᅜ ᅵ ᆅ ⌮ 㝔 㸪 ᇶ ┙ ᆅ ᅗ ᝟ ሗ ࢧ ࢖ ࢺ 㸪 http://www.gsi.go.jp/kiban/index.html. 4). ᮅ᪥᪂⪺ࢹࢪࢱࣝ㸦2012 ᖺ 4 ᭶ 24 ᪥ 2㸧グ஦㸪 http://digital.asahi.com/articles/TKY201204240569.html?r ef=comkiji_txt_end. ⓒ 2013 Information Processing Society of Japan. 6.

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