메뉴 건너뛰기




Volumn 209, Issue 1-2, 2009, Pages 6-21

Vertisols (cracking clay soils) in a climosequence of Peninsular India: Evidence for Holocene climate changes

Author keywords

[No Author keywords available]

Indexed keywords

ARIDITY; CLAY SOIL; CLIMATE VARIATION; DECCAN TRAPS; DRY SEASON; HOLOCENE; HUMIDITY; ION EXCHANGE; PALEOCLIMATE; PARENT MATERIAL; PEDOGENESIS; PIEDMONT; SEDIMENTARY SEQUENCE; SMECTITE; VERTISOL; WET SEASON;

EID: 70349866396     PISSN: 10406182     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.quaint.2008.12.013     Document Type: Article
Times cited : (61)

References (67)
  • 1
    • 77956737809 scopus 로고    scopus 로고
    • Occurrence and distribution of Vertisols
    • Ahmad N., and Mermut A. (Eds), Elsevier, Amsterdam
    • Ahmad N. Occurrence and distribution of Vertisols. In: Ahmad N., and Mermut A. (Eds). Vertisols and Technologies for Their Management (1996), Elsevier, Amsterdam 1-41
    • (1996) Vertisols and Technologies for Their Management , pp. 1-41
    • Ahmad, N.1
  • 2
    • 0030322417 scopus 로고    scopus 로고
    • Factors and processes of soil degradation in Vertisols of the Purna Valley, Maharashtra, India
    • Balpande S.S., Deshpande S.B., and Pal D.K. Factors and processes of soil degradation in Vertisols of the Purna Valley, Maharashtra, India. Land Degradation and Development 7 (1996) 313-324
    • (1996) Land Degradation and Development , vol.7 , pp. 313-324
    • Balpande, S.S.1    Deshpande, S.B.2    Pal, D.K.3
  • 4
    • 0005796879 scopus 로고
    • Microscopical study of Vertisols in southern Spain
    • Rutherford G.K. (Ed), Limestone Press, Kington, ON
    • Bellinfante N., Panaque G., Olmedo G., and Banos C. Microscopical study of Vertisols in southern Spain. In: Rutherford G.K. (Ed). Soil Microscopy (1974), Limestone Press, Kington, ON 295-305
    • (1974) Soil Microscopy , pp. 295-305
    • Bellinfante, N.1    Panaque, G.2    Olmedo, G.3    Banos, C.4
  • 5
    • 70349870327 scopus 로고    scopus 로고
    • Land use, clay mineral type and organic carbon content in two Mollisols-Alfisols-Vertisols catenary sequences of tropical India
    • Bhattacharyya T., Pal D.K., Chandran P., and Ray S.K. Land use, clay mineral type and organic carbon content in two Mollisols-Alfisols-Vertisols catenary sequences of tropical India. Clay Research 24 (2005) 105-122
    • (2005) Clay Research , vol.24 , pp. 105-122
    • Bhattacharyya, T.1    Pal, D.K.2    Chandran, P.3    Ray, S.K.4
  • 8
    • 0027878230 scopus 로고
    • Genesis and transformation of minerals in the formation of red (Alfisols) and black (Inceptisols and Vertisols) soils on Deccan basalt
    • Bhattacharyya T., Pal D.K., and Deshpande S.B. Genesis and transformation of minerals in the formation of red (Alfisols) and black (Inceptisols and Vertisols) soils on Deccan basalt. Journal of Soil Science 44 (1993) 159-171
    • (1993) Journal of Soil Science , vol.44 , pp. 159-171
    • Bhattacharyya, T.1    Pal, D.K.2    Deshpande, S.B.3
  • 9
    • 33751204114 scopus 로고    scopus 로고
    • Formation and persistence of Mollisols on zeolitic Deccan basalt of humid tropical India
    • Bhattacharyya T., Pal D.K., Lal S., Chandran P., and Ray S.K. Formation and persistence of Mollisols on zeolitic Deccan basalt of humid tropical India. Geoderma 136 (2006) 609-620
    • (2006) Geoderma , vol.136 , pp. 609-620
    • Bhattacharyya, T.1    Pal, D.K.2    Lal, S.3    Chandran, P.4    Ray, S.K.5
  • 10
    • 0032778044 scopus 로고    scopus 로고
    • Role of zeolites in persistence of high altitude ferruginous Alfisols of the humid tropical Western Ghats, India
    • Bhattacharyya T., Pal D.K., and Srivastava P. Role of zeolites in persistence of high altitude ferruginous Alfisols of the humid tropical Western Ghats, India. Geoderma 90 (1999) 263-276
    • (1999) Geoderma , vol.90 , pp. 263-276
    • Bhattacharyya, T.1    Pal, D.K.2    Srivastava, P.3
  • 13
  • 14
    • 38849095042 scopus 로고
    • Pleistozane Klimaschwankungen im Bereich den ostlichen Mysore-Plateaus (Sudindien)
    • Brunner H. Pleistozane Klimaschwankungen im Bereich den ostlichen Mysore-Plateaus (Sudindien). Geologie 19 (1970) 72-82
    • (1970) Geologie , vol.19 , pp. 72-82
    • Brunner, H.1
  • 15
    • 85103047374 scopus 로고
    • Micromorphology of Alfisols
    • Douglas L.A., and Thompson M.L. (Eds), Soil Science Society of America, Madison, WI
    • Bullock P., and Thompson M.L. Micromorphology of Alfisols. In: Douglas L.A., and Thompson M.L. (Eds). Soil Micromorphology and Soil Classification (1985), Soil Science Society of America, Madison, WI 17-47
    • (1985) Soil Micromorphology and Soil Classification , pp. 17-47
    • Bullock, P.1    Thompson, M.L.2
  • 17
    • 0023525620 scopus 로고
    • Genesis and classification of clay soils with vertic properties in Saskatchewan
    • Dasog G.S., Acton D.F., and Mermut A.R. Genesis and classification of clay soils with vertic properties in Saskatchewan. Soil Science Society of America Journal 51 (1987) 1243-1250
    • (1987) Soil Science Society of America Journal , vol.51 , pp. 1243-1250
    • Dasog, G.S.1    Acton, D.F.2    Mermut, A.R.3
  • 18
    • 33751211500 scopus 로고    scopus 로고
    • Late Holocene climatic change: archaeological evidence from the Purna Basin, Maharashtra
    • Deotare B.C. Late Holocene climatic change: archaeological evidence from the Purna Basin, Maharashtra. Journal of the Geological Society of India 68 (2006) 517-526
    • (2006) Journal of the Geological Society of India , vol.68 , pp. 517-526
    • Deotare, B.C.1
  • 19
    • 0000802155 scopus 로고
    • Distribution, properties and classification of Vertisols
    • Wilding L.P., and Puentes R. (Eds), Texas A&M University Printing Center, College Station, Texas
    • Dudal R., and Eswaran H. Distribution, properties and classification of Vertisols. In: Wilding L.P., and Puentes R. (Eds). Vertisols: Their Distribution, Properties, Classification and Management (1988), Texas A&M University Printing Center, College Station, Texas 1-22
    • (1988) Vertisols: Their Distribution, Properties, Classification and Management , pp. 1-22
    • Dudal, R.1    Eswaran, H.2
  • 20
    • 0001831010 scopus 로고
    • Properties, genesis and classification of Vertisols
    • Hirekerur L.R., Pal D.K., Sehgal J.L., and Deshpande S.B. (Eds). INWOSS, October 24-28, 1988, National Bureau of Soil Survey and Land Use Planning, Nagpur, India
    • Eswaran H., Kimble J., and Cook T. Properties, genesis and classification of Vertisols. In: Hirekerur L.R., Pal D.K., Sehgal J.L., and Deshpande S.B. (Eds). Classification, Management and Use Potential of Swell-Shrink Soils. INWOSS, October 24-28, 1988 (1988), National Bureau of Soil Survey and Land Use Planning, Nagpur, India 1-22
    • (1988) Classification, Management and Use Potential of Swell-Shrink Soils , pp. 1-22
    • Eswaran, H.1    Kimble, J.2    Cook, T.3
  • 21
    • 0018701529 scopus 로고
    • Argillic horizon in LAC soils formation and significance to classification
    • Eswaran H., and Sys C. Argillic horizon in LAC soils formation and significance to classification. Pedologie 29 (1979) 175-190
    • (1979) Pedologie , vol.29 , pp. 175-190
    • Eswaran, H.1    Sys, C.2
  • 22
    • 0042880212 scopus 로고
    • 2 on length of growing season in the Indian sub-continent
    • 2 on length of growing season in the Indian sub-continent. Pedologie 42 (1992) 289-296
    • (1992) Pedologie , vol.42 , pp. 289-296
    • Eswaran, H.1    van den Berg, E.2
  • 23
    • 0001411601 scopus 로고
    • Studies on clay minerals and clay mineral formation of soil profiles in Scandinavia
    • Gjems O. Studies on clay minerals and clay mineral formation of soil profiles in Scandinavia. Meddeleser fra det Norske Skogforsoksvesen 21 (1967) 303-415
    • (1967) Meddeleser fra det Norske Skogforsoksvesen , vol.21 , pp. 303-415
    • Gjems, O.1
  • 24
    • 0021857006 scopus 로고
    • The genesis of a Gray Luvisol within the Boreal forest region. I. Static pedology
    • Howitt R.W., and Pawluk S. The genesis of a Gray Luvisol within the Boreal forest region. I. Static pedology. Canadian Journal of Soil Science 65 (1985) 1-8
    • (1985) Canadian Journal of Soil Science , vol.65 , pp. 1-8
    • Howitt, R.W.1    Pawluk, S.2
  • 26
    • 0003324577 scopus 로고
    • Methods in soil micromorphology. A technique for the preparation of large thin sections
    • Netherlands Soil Survey Institutes, Wageningen, The Netherlands
    • Jongerious A., and Heintzberger G. Methods in soil micromorphology. A technique for the preparation of large thin sections. Soil Survey Paper No. 10 (1975), Netherlands Soil Survey Institutes, Wageningen, The Netherlands
    • (1975) Soil Survey Paper , vol.10
    • Jongerious, A.1    Heintzberger, G.2
  • 27
    • 0141503974 scopus 로고    scopus 로고
    • Use of hydraulic conductivity to evaluate the suitability of Vertisols for deep-rooted crops in semi-arid parts of central India
    • Kadu P.R., Vaidya P.H., Balpande S.S., Satyavathi P.L.A., and Pal D.K. Use of hydraulic conductivity to evaluate the suitability of Vertisols for deep-rooted crops in semi-arid parts of central India. Soil Use and Management 19 (2003) 208-216
    • (2003) Soil Use and Management , vol.19 , pp. 208-216
    • Kadu, P.R.1    Vaidya, P.H.2    Balpande, S.S.3    Satyavathi, P.L.A.4    Pal, D.K.5
  • 28
    • 0027091443 scopus 로고
    • b-Fabric of some benchmark Vertisols of India in relation to their mineralogy
    • Kalbande A.R., Pal D.K., and Deshpande S.B. b-Fabric of some benchmark Vertisols of India in relation to their mineralogy. Journal of Soil Science 43 (1992) 375-385
    • (1992) Journal of Soil Science , vol.43 , pp. 375-385
    • Kalbande, A.R.1    Pal, D.K.2    Deshpande, S.B.3
  • 29
    • 0018914029 scopus 로고
    • Structural analysis and mechanical origins of gilgai at Boorook, Victoria, Australia
    • Knight M.J. Structural analysis and mechanical origins of gilgai at Boorook, Victoria, Australia. Geoderma 23 (1980) 245-283
    • (1980) Geoderma , vol.23 , pp. 245-283
    • Knight, M.J.1
  • 32
    • 0022928178 scopus 로고
    • Nature and micromorphology of carbonate glaebules in some Vertisols of India
    • Mermut A.R., and Dasog G.S. Nature and micromorphology of carbonate glaebules in some Vertisols of India. Soil Science Society of America Journal 50 (1986) 382-391
    • (1986) Soil Science Society of America Journal , vol.50 , pp. 382-391
    • Mermut, A.R.1    Dasog, G.S.2
  • 35
    • 0024218433 scopus 로고
    • Distribution, properties and management of Vertisols of India
    • Murthy A.S.P. Distribution, properties and management of Vertisols of India. Advances in Soil Science 8 (1988) 151-214
    • (1988) Advances in Soil Science , vol.8 , pp. 151-214
    • Murthy, A.S.P.1
  • 37
    • 70349858996 scopus 로고    scopus 로고
    • Nimkar, A.M., 2004. Release of Potassium in Vertisols of central India in Relation to the Nature and Content of Micas in Various Soil Size Fractions. Ph.D. thesis. Dr. P.D.K.V., Akola, India.
    • Nimkar, A.M., 2004. Release of Potassium in Vertisols of central India in Relation to the Nature and Content of Micas in Various Soil Size Fractions. Ph.D. thesis. Dr. P.D.K.V., Akola, India.
  • 38
    • 0035106719 scopus 로고    scopus 로고
    • Polygenetic Vertisols of the Purna valley of central India
    • Pal D.K., Balpande S.S., and Srivastava P. Polygenetic Vertisols of the Purna valley of central India. Catena 43 (2001) 231-249
    • (2001) Catena , vol.43 , pp. 231-249
    • Pal, D.K.1    Balpande, S.S.2    Srivastava, P.3
  • 39
    • 33750930723 scopus 로고    scopus 로고
    • Significance of soil modifiers (Ca-zeolites and gypsum) in naturally degraded Vertisols of the Peninsular India in redefining the sodic soils
    • Pal D.K., Bhattacharyya T., Ray S.K., Chandran P., Srivastava P., Durge S.L., and Bhuse S.R. Significance of soil modifiers (Ca-zeolites and gypsum) in naturally degraded Vertisols of the Peninsular India in redefining the sodic soils. Geoderma 136 (2006) 210-228
    • (2006) Geoderma , vol.136 , pp. 210-228
    • Pal, D.K.1    Bhattacharyya, T.2    Ray, S.K.3    Chandran, P.4    Srivastava, P.5    Durge, S.L.6    Bhuse, S.R.7
  • 40
    • 0003097142 scopus 로고    scopus 로고
    • Secondary calcium carbonate in soils of arid and semi-arid regions of India
    • Lal R., Kimble J.M., Eswaran H., and Stewart B.A. (Eds), Lewis Publishers, Boca Raton, Fl
    • Pal D.K., Dasog G.S., Vadivelu S., Ahuja R.L., and Bhattacharyya T. Secondary calcium carbonate in soils of arid and semi-arid regions of India. In: Lal R., Kimble J.M., Eswaran H., and Stewart B.A. (Eds). Global Climate Change and Pedogenic Carbonates (2000), Lewis Publishers, Boca Raton, Fl 149-185
    • (2000) Global Climate Change and Pedogenic Carbonates , pp. 149-185
    • Pal, D.K.1    Dasog, G.S.2    Vadivelu, S.3    Ahuja, R.L.4    Bhattacharyya, T.5
  • 41
    • 0023528479 scopus 로고
    • Characteristics and genesis of minerals in some benchmark Vertisols of India
    • Pal D.K., and Deshpande S.B. Characteristics and genesis of minerals in some benchmark Vertisols of India. Pedologie 37 (1987) 259-275
    • (1987) Pedologie , vol.37 , pp. 259-275
    • Pal, D.K.1    Deshpande, S.B.2
  • 42
    • 0024846676 scopus 로고
    • Formation of di- and trioctahedral smectite as evidence for paleoclimatic changes in southern and central Peninsular India
    • Pal D.K., Deshpande S.B., Venugopal K.R., and Kalbande A.R. Formation of di- and trioctahedral smectite as evidence for paleoclimatic changes in southern and central Peninsular India. Geoderma 45 (1989) 175-184
    • (1989) Geoderma , vol.45 , pp. 175-184
    • Pal, D.K.1    Deshpande, S.B.2    Venugopal, K.R.3    Kalbande, A.R.4
  • 43
    • 0028553987 scopus 로고
    • Evidence of clay illuviation in sodic soils of the Indo-Gangetic Plains since the Holocene
    • Pal D.K., Kalbande A.R., Deshpande S.B., and Sehgal J.L. Evidence of clay illuviation in sodic soils of the Indo-Gangetic Plains since the Holocene. Soil Science 158 (1994) 465-473
    • (1994) Soil Science , vol.158 , pp. 465-473
    • Pal, D.K.1    Kalbande, A.R.2    Deshpande, S.B.3    Sehgal, J.L.4
  • 44
    • 0037472307 scopus 로고    scopus 로고
    • Role of microtopography in the formation of sodic soils in the semi-arid parts of the Indo-Gangetic Plains, India
    • Pal D.K., Srivastava P., Durge S.L., and Bhattacharyya T. Role of microtopography in the formation of sodic soils in the semi-arid parts of the Indo-Gangetic Plains, India. Catena 51 (2003) 3-31
    • (2003) Catena , vol.51 , pp. 3-31
    • Pal, D.K.1    Srivastava, P.2    Durge, S.L.3    Bhattacharyya, T.4
  • 45
    • 0042862913 scopus 로고    scopus 로고
    • Clay illuviation in calcareous soils of the semi-arid part of the Indo-Gangetic Plains, India
    • Pal D.K., Srivastava P., and Bhattacharyya T. Clay illuviation in calcareous soils of the semi-arid part of the Indo-Gangetic Plains, India. Geoderma 115 (2003) 177-192
    • (2003) Geoderma , vol.115 , pp. 177-192
    • Pal, D.K.1    Srivastava, P.2    Bhattacharyya, T.3
  • 47
    • 0021286301 scopus 로고
    • Identification of pedogenic carbonates using stable carbon isotope and micro-fabric analyses
    • Rabenhorst M.C., Wilding L.P., and West L.T. Identification of pedogenic carbonates using stable carbon isotope and micro-fabric analyses. Soil Science Society of America Journal 48 (1984) 125-135
    • (1984) Soil Science Society of America Journal , vol.48 , pp. 125-135
    • Rabenhorst, M.C.1    Wilding, L.P.2    West, L.T.3
  • 48
    • 0023582546 scopus 로고
    • Quaternary geomorphic environment and culture succession in western India
    • Rajaguru S.N., and Korisetter R. Quaternary geomorphic environment and culture succession in western India. Indian Journal of Earth Sciences 14 (1987) 349-361
    • (1987) Indian Journal of Earth Sciences , vol.14 , pp. 349-361
    • Rajaguru, S.N.1    Korisetter, R.2
  • 51
    • 0030433053 scopus 로고    scopus 로고
    • Is Quaternary geology ready for the future?
    • Ritter D.F. Is Quaternary geology ready for the future?. Geomorphology 16 (1996) 273-276
    • (1996) Geomorphology , vol.16 , pp. 273-276
    • Ritter, D.F.1
  • 52
    • 0001412610 scopus 로고
    • A new method for measuring shrink-swell potential using soil paste
    • Schafer W.M., and Singer M.J. A new method for measuring shrink-swell potential using soil paste. Soil Science Society of America Journal 40 (1976) 805-806
    • (1976) Soil Science Society of America Journal , vol.40 , pp. 805-806
    • Schafer, W.M.1    Singer, M.J.2
  • 53
    • 0000535966 scopus 로고
    • Carbonate clay: measurement and relationship to clay distribution and cation exchange capacity
    • Shields L.G., and Meyer M.W. Carbonate clay: measurement and relationship to clay distribution and cation exchange capacity. Soil Science Society of America Proceedings 28 (1964) 416-419
    • (1964) Soil Science Society of America Proceedings , vol.28 , pp. 416-419
    • Shields, L.G.1    Meyer, M.W.2
  • 56
    • 0003692562 scopus 로고    scopus 로고
    • United States Department of Agriculture, Natural Resources Conservation Service, Washington, DC
    • Soil Survey Staff. Keys to Soil Taxonomy. ninth ed. (2003), United States Department of Agriculture, Natural Resources Conservation Service, Washington, DC
    • (2003) Keys to Soil Taxonomy. ninth ed.
    • Soil Survey Staff1
  • 57
    • 0036486683 scopus 로고    scopus 로고
    • Significance of the formation of calcium carbonate minerals in the pedogenesis and management of cracking clay soils (Vertisols) of India
    • Srivastava P., Bhattacharyya T., and Pal D.K. Significance of the formation of calcium carbonate minerals in the pedogenesis and management of cracking clay soils (Vertisols) of India. Clays and Clay Minerals 50 (2002) 111-126
    • (2002) Clays and Clay Minerals , vol.50 , pp. 111-126
    • Srivastava, P.1    Bhattacharyya, T.2    Pal, D.K.3
  • 58
    • 0032215963 scopus 로고    scopus 로고
    • Clay minerals in soils as evidence for Holocene climatic changes in the central Indo-Gangetic Plains, north-central India
    • Srivastava P., Parkash B., and Pal D.K. Clay minerals in soils as evidence for Holocene climatic changes in the central Indo-Gangetic Plains, north-central India. Quaternary Research 50 (1998) 230-239
    • (1998) Quaternary Research , vol.50 , pp. 230-239
    • Srivastava, P.1    Parkash, B.2    Pal, D.K.3
  • 59
    • 0025955077 scopus 로고
    • Mineralogical composition and geographical distribution of African and Brazilian periatlantic laterites. The influence of continental drift and tropical paleoclimates during the last 150 million years and implications for India and Australia
    • Tardy Y., Kobilsek B., and Paquet H. Mineralogical composition and geographical distribution of African and Brazilian periatlantic laterites. The influence of continental drift and tropical paleoclimates during the last 150 million years and implications for India and Australia. Journal of African Earth Sciences 12 (1991) 283-285
    • (1991) Journal of African Earth Sciences , vol.12 , pp. 283-285
    • Tardy, Y.1    Kobilsek, B.2    Paquet, H.3
  • 60
    • 0036744229 scopus 로고    scopus 로고
    • Microtopography as a factor in the degradation of Vertisols in central India
    • Vaidya P.H., and Pal D.K. Microtopography as a factor in the degradation of Vertisols in central India. Land Degradation and Development 13 (2002) 429-445
    • (2002) Land Degradation and Development , vol.13 , pp. 429-445
    • Vaidya, P.H.1    Pal, D.K.2
  • 63
    • 0001926336 scopus 로고
    • Genesis of Vertisols: shrink-swell phenomenon
    • Wilding L.P., and Puentes R. (Eds), Texas A&M University Printing Center, College Station, Texas
    • Wilding L.P., and Tessier D. Genesis of Vertisols: shrink-swell phenomenon. In: Wilding L.P., and Puentes R. (Eds). Vertisols: Their Distribution, Properties, Classification and Management (1988), Texas A&M University Printing Center, College Station, Texas 55-79
    • (1988) Vertisols: Their Distribution, Properties, Classification and Management , pp. 55-79
    • Wilding, L.P.1    Tessier, D.2
  • 64
    • 0002599037 scopus 로고
    • X-ray powder diffraction methods
    • Wilson M.J. (Ed), Chapman and Hall, New York
    • Wilson M.J. X-ray powder diffraction methods. In: Wilson M.J. (Ed). A Handbook of Determinative Methods in Clay Mineralogy (1987), Chapman and Hall, New York 26-98
    • (1987) A Handbook of Determinative Methods in Clay Mineralogy , pp. 26-98
    • Wilson, M.J.1
  • 65
    • 0021077807 scopus 로고
    • Climate, time and soil development
    • Wilding L.P., Smeck N.E., and Hall G.F. (Eds), Elsevier, Amsterdam
    • Yaalon D.H. Climate, time and soil development. In: Wilding L.P., Smeck N.E., and Hall G.F. (Eds). Pedogenesis and Taxonomy. I. Concepts and Interactions (1983), Elsevier, Amsterdam 233-251
    • (1983) Pedogenesis and Taxonomy. I. Concepts and Interactions , pp. 233-251
    • Yaalon, D.H.1
  • 66
    • 0017923259 scopus 로고
    • Dynamics of cracking and swelling clay soils: displacement of skeletal grains, optimum depth of slickensides and rate of intra-pedonic turbation
    • Yaalon D.H., and Kalmar D. Dynamics of cracking and swelling clay soils: displacement of skeletal grains, optimum depth of slickensides and rate of intra-pedonic turbation. Earth Surface and Processes 3 (1978) 31-42
    • (1978) Earth Surface and Processes , vol.3 , pp. 31-42
    • Yaalon, D.H.1    Kalmar, D.2
  • 67
    • 70349858997 scopus 로고    scopus 로고
    • Do primary minerals weather during the formation of Vertisols in central India?
    • Zade S.P., Srivastava P., and Pal D.K. Do primary minerals weather during the formation of Vertisols in central India?. Clay Research 20 (2001) 57-64
    • (2001) Clay Research , vol.20 , pp. 57-64
    • Zade, S.P.1    Srivastava, P.2    Pal, D.K.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.