BibTex RIS Kaynak Göster

Frequency dependent attenuation of seismic waves in the crust and upper mantle in southwest Anatolia

Yıl 2006, Cilt: 27 Sayı: 2, 53 - 62, 01.03.2006

Şakir Şahin Ömer Alptekin

Öz

Anahtar Kelimeler

-

Kaynakça

  • Aki, K., 1969. Analysis of the seismic coda of local earthquakes as scaterred waves. Jour- nal of Geophysical Research, 74, 615- 631.
  • Aki, K., 1980. Scattering and attenuation of shear wa- ves in the litosphere. Journal of Ge- ophysical Research, 85, 6496-6504.
  • Aki, K., and Chouet, B., 1975. Origin of Coda wave: Source, attenuation and scattering ef- fects. Journal of Geophysical Research, 80 (21), 3322-3342.
  • Akıncı, A. ve Eyidoğan, H., 1996. Frequency-depen- dent attenuation of S and coda waves in Erzincan Region (Turkey). Physics of The Earth and Planetary Interiors, 87, 155-165.
  • Akıncı, A. Taktak, G.A. ve Ergintav, S., 1996. Batı Anadolu bölgesinde koda dalgalarının soğurulması. Jeofizik, 10, 57-66.
  • Alptekin, Ö., 1973. Focal mecanisms of earthquakes in western Turkey and their tectonic implications. Ph.D. Thesis, New Mexico Institute of Mining and Tecnology So- corro, New Mexico.
  • Dewey, J.F., and Şengör, A.M.C., 1979. Aegean and surrounding regions complex multiplate and continuum tectonics in a conver- gent zone, Bulletin of the Geological Society of America, 90, 84-92.
  • Frenkal, A., Mcgarr, A., Bicknell, J. Mri, J., Seeber, L., and Cranswick, E., 1990. Attenuation of high-frequency shear waves in the crust: measurements from New York State, South Africa and Southern Cali- fornia. Journal of Geophysical Rese- arch, 95, 17441-17457.
  • Hatzidimitriou, P.M., 1995. S-wave attenuation in the crust in northern Greece. Bulletin of the Seismological Society of America, 85 (5), 1381-1387.
  • Horasan, G., Kaşlılar, A., Boztepe, A., and Türkelli, N., 1998. S- wave attenuation in the Marmara Region, northwestern Turkey. Geophysical Research Letters, 25 (14), 2733-2736.
  • Ibanez, J.M., Del Pezzo, E., De Miguel, E., Herraiz, M., Alguacil, G., and Morales, J., 1990. Depth dependent seismic attenuation in the Granada zone (Southern Spain). Bulletin of the Seismological Society of America, 80 (5), 1232-1244.
  • Kempler, D., and Garfunkel, Z., 1994. Structures and kinematics in the northeastern Mediter- ranean: A study of an irregular plate bo- undary. Tectonophysics, 234, 19-32.
  • Ketin, İ., 1977. Genel Jeoloji: Cilt 1. İ.T.Ü. Maden Fa kültesi Yayını, İstanbul.
  • Koçyiğit, A., 1984. Güneybatı Türkiye ve yakın dola- yında levha içi tektonik gelişimi. Türkiye Jeoloji Kurumu Bülteni, 27 (1), 1-15.
  • Koçyiğit, A., Ünay, E., and Saraç, G., 2002. Episodic graben formation and extensional ne- otectonic regime in west central Anato- lia and the Isparta Angle: A case study in the Akşehir-Afyon graben, Turkey. In: E. Bozkurt, J. A. Winchester, J. D. A. Pi- per, (eds.), Tectonics and Magmatism in Turkey and the Surrounding Area, Ge- ological Society, London, Special Publi- cation, 173, 405–421.
  • Le Pichon, X., and Angelier, J., 1979. The Hellenic arc and trench system: a key to the ne- otectonic evolution of the eastern medi- terranean area. Tectonophysics, 60, 1- 42.
  • Le Pichon, X., Francheteau, J., and Bonnin, J., 1973. Plate Tectonics: Developments in Ge- otectonics. Elsevier, Amsterdam.
  • Lee, W.H., Aki, K., Chouet, B. Johnson, J., Marks, S., Newberry, T., Ryall, A.S., Stewart, W., and Tottingham, D. M., 1986. A prelimi- nary study of coda Q in California and Nevada, Bulletin of Seismological Soci- ety of America, 76, 1143-1150.
  • Mckenzie, D.P., 1970. Plate tectonics of the Mediter- ranean Region. Nature, 226, 239-243.
  • Mckenzie, D.P.,1972. Active tectonics of the Mediter- ranean Region. Geophysical Journal of Royal Astrological Society, 30, 109- 185.
  • Mckenzie, D.P., 1978. Active tectonics of the Alpine- Himalayan Belt: The Aegean Sea and surronding regions. Geophysical Jour- nal of Royal Astrological Society, 55, 217-254.
  • Novelo-Casanova, D.A., and Lee, W.H.K., 1991. Comparison of techniques that use the single scattering model to compute the quality factor Q from coda waves. Pure and Applied Geophysics, 135, 77-89.
  • Papazachos, B.C., 1973. Distribution of seismic foci in the Mediterranean and surronding area and its tectonic implications. Ge- ophysical Journal of Royal Astrological Society, 33, 421-430.
  • Papazachos, B.C., and Comninakis, P.E., 1977. Mo- des of lithospheric interaction in the Agean area. International Symposium on the Structural History of the Mediter- ranean Basins, Split, Yugoslavia, 319- 331.
  • Pulli, J.J., 1984. Attenuation of coda waves in New England. Bulletin of the Seismological Society of America, 74 (4), 1149-1166.
  • Sato, H., 1977. Energy propagation including scat- tering effects single isotropic scattering approximation. Journal of Geophysical Research, 25, 27-41.
  • Şaroğlu, F., Emre, Ö. ve Kuşçu, İ., 1992. Türkiye diri fay haritası. Maden Tetkik Arama Genel Müdürlüğü, Ankara.
  • Toksöz, N., 1975. Subduction of the litosphere. Scien- tific American, 233, 89-101.

Güneybatı Anadolu'da kabuk ve üst mantoda sismik dalgaların frekans bağımlı soğurulması

Yıl 2006, Cilt: 27 Sayı: 2, 53 - 62, 01.03.2006

Şakir Şahin Ömer Alptekin

Öz

Bu çalışmada, genliğin zaman ve uzaklıkla azalımına dayanan koda dalgası ve koda normalizasyon yöntemlerikullanılarak güneybatı Anadolu’da kabuk ve üst mantoda frekansa bağımlı olarak yayılan makaslama (S) dalgasının soğurulma özellikleri incelenmiştir. Bu yöntemler, heterojen bir ortamda saçınmış koda dalgalarının soğurulmaözelliklerine dayanır. Veriler merkez frekansı 0.75, 1.5, 3.0, 6.0 ve 8.0 Hz olan Butterworth filtresi ile süzgeçlenmiş,sismogramların koda genliklerinin eğimlerinden koda kalite faktörü Qcve S-dalgası ile koda dalgası spektral genlik oranlarından bölgedeki Qssoğurulma özellikleri belirlenmiştir. Qcdeğerleri hem zamanın (30-150 s), hem de frekansın (0.75-8.0 Hz), Qsdeğerleri ise S-dalgası ve koda dalgası spektral genlik oranlarının kaynak-alıcı uzaklığının fonksiyonu olarak elde edilmiştir. Güneybatı Anadolu için koda Q (Qc) değerleri 18±3 ile 658±84, S dalgası Q(Q) değerleri ise 77±4 ile 697±86 arasında saptanmıştır. Qdeğerlerinin frekans bağımlılığı 0.886±0.007 ile0.859±0.027 arasında ve 40-160 km kaynak-alıcı mesafesi için S dalgası frekans bağımlılık derecesi 0.996±0.014olarak bulunmuştur.s c

Anahtar Kelimeler

Güneybatı Anadolu heterojenite koda dalgası saçınım soğurulma

Kaynakça

  • Aki, K., 1969. Analysis of the seismic coda of local earthquakes as scaterred waves. Jour- nal of Geophysical Research, 74, 615- 631.
  • Aki, K., 1980. Scattering and attenuation of shear wa- ves in the litosphere. Journal of Ge- ophysical Research, 85, 6496-6504.
  • Aki, K., and Chouet, B., 1975. Origin of Coda wave: Source, attenuation and scattering ef- fects. Journal of Geophysical Research, 80 (21), 3322-3342.
  • Akıncı, A. ve Eyidoğan, H., 1996. Frequency-depen- dent attenuation of S and coda waves in Erzincan Region (Turkey). Physics of The Earth and Planetary Interiors, 87, 155-165.
  • Akıncı, A. Taktak, G.A. ve Ergintav, S., 1996. Batı Anadolu bölgesinde koda dalgalarının soğurulması. Jeofizik, 10, 57-66.
  • Alptekin, Ö., 1973. Focal mecanisms of earthquakes in western Turkey and their tectonic implications. Ph.D. Thesis, New Mexico Institute of Mining and Tecnology So- corro, New Mexico.
  • Dewey, J.F., and Şengör, A.M.C., 1979. Aegean and surrounding regions complex multiplate and continuum tectonics in a conver- gent zone, Bulletin of the Geological Society of America, 90, 84-92.
  • Frenkal, A., Mcgarr, A., Bicknell, J. Mri, J., Seeber, L., and Cranswick, E., 1990. Attenuation of high-frequency shear waves in the crust: measurements from New York State, South Africa and Southern Cali- fornia. Journal of Geophysical Rese- arch, 95, 17441-17457.
  • Hatzidimitriou, P.M., 1995. S-wave attenuation in the crust in northern Greece. Bulletin of the Seismological Society of America, 85 (5), 1381-1387.
  • Horasan, G., Kaşlılar, A., Boztepe, A., and Türkelli, N., 1998. S- wave attenuation in the Marmara Region, northwestern Turkey. Geophysical Research Letters, 25 (14), 2733-2736.
  • Ibanez, J.M., Del Pezzo, E., De Miguel, E., Herraiz, M., Alguacil, G., and Morales, J., 1990. Depth dependent seismic attenuation in the Granada zone (Southern Spain). Bulletin of the Seismological Society of America, 80 (5), 1232-1244.
  • Kempler, D., and Garfunkel, Z., 1994. Structures and kinematics in the northeastern Mediter- ranean: A study of an irregular plate bo- undary. Tectonophysics, 234, 19-32.
  • Ketin, İ., 1977. Genel Jeoloji: Cilt 1. İ.T.Ü. Maden Fa kültesi Yayını, İstanbul.
  • Koçyiğit, A., 1984. Güneybatı Türkiye ve yakın dola- yında levha içi tektonik gelişimi. Türkiye Jeoloji Kurumu Bülteni, 27 (1), 1-15.
  • Koçyiğit, A., Ünay, E., and Saraç, G., 2002. Episodic graben formation and extensional ne- otectonic regime in west central Anato- lia and the Isparta Angle: A case study in the Akşehir-Afyon graben, Turkey. In: E. Bozkurt, J. A. Winchester, J. D. A. Pi- per, (eds.), Tectonics and Magmatism in Turkey and the Surrounding Area, Ge- ological Society, London, Special Publi- cation, 173, 405–421.
  • Le Pichon, X., and Angelier, J., 1979. The Hellenic arc and trench system: a key to the ne- otectonic evolution of the eastern medi- terranean area. Tectonophysics, 60, 1- 42.
  • Le Pichon, X., Francheteau, J., and Bonnin, J., 1973. Plate Tectonics: Developments in Ge- otectonics. Elsevier, Amsterdam.
  • Lee, W.H., Aki, K., Chouet, B. Johnson, J., Marks, S., Newberry, T., Ryall, A.S., Stewart, W., and Tottingham, D. M., 1986. A prelimi- nary study of coda Q in California and Nevada, Bulletin of Seismological Soci- ety of America, 76, 1143-1150.
  • Mckenzie, D.P., 1970. Plate tectonics of the Mediter- ranean Region. Nature, 226, 239-243.
  • Mckenzie, D.P.,1972. Active tectonics of the Mediter- ranean Region. Geophysical Journal of Royal Astrological Society, 30, 109- 185.
  • Mckenzie, D.P., 1978. Active tectonics of the Alpine- Himalayan Belt: The Aegean Sea and surronding regions. Geophysical Jour- nal of Royal Astrological Society, 55, 217-254.
  • Novelo-Casanova, D.A., and Lee, W.H.K., 1991. Comparison of techniques that use the single scattering model to compute the quality factor Q from coda waves. Pure and Applied Geophysics, 135, 77-89.
  • Papazachos, B.C., 1973. Distribution of seismic foci in the Mediterranean and surronding area and its tectonic implications. Ge- ophysical Journal of Royal Astrological Society, 33, 421-430.
  • Papazachos, B.C., and Comninakis, P.E., 1977. Mo- des of lithospheric interaction in the Agean area. International Symposium on the Structural History of the Mediter- ranean Basins, Split, Yugoslavia, 319- 331.
  • Pulli, J.J., 1984. Attenuation of coda waves in New England. Bulletin of the Seismological Society of America, 74 (4), 1149-1166.
  • Sato, H., 1977. Energy propagation including scat- tering effects single isotropic scattering approximation. Journal of Geophysical Research, 25, 27-41.
  • Şaroğlu, F., Emre, Ö. ve Kuşçu, İ., 1992. Türkiye diri fay haritası. Maden Tetkik Arama Genel Müdürlüğü, Ankara.
  • Toksöz, N., 1975. Subduction of the litosphere. Scien- tific American, 233, 89-101.
Toplam 28 adet kaynakça vardır.

Ayrıntılar

Birincil Dil Türkçe
Bölüm Makaleler
Yazarlar

Şakir Şahin Bu kişi benim

Ömer Alptekin Bu kişi benim

Yayımlanma Tarihi 1 Mart 2006
Gönderilme Tarihi 24 Mart 2015
Yayımlandığı Sayı Yıl 2006 Cilt: 27 Sayı: 2

Kaynak Göster

EndNote Şahin Ş, Alptekin Ö (01 Mart 2006) Güneybatı Anadolu’da kabuk ve üst mantoda sismik dalgaların frekans bağımlı soğurulması. Yerbilimleri 27 2 53–62.