Zobrazeno 1 - 10
of 12
pro vyhledávání: '"W J Vreeken"'
Publikováno v:
Canadian Journal of Earth Sciences. 34:1325-1332
Paleomagnetic measurements and a dated tephra from outcrops of Davis Creek silt overlying ancient geomorphic surfaces in the East Block of the Cypress Hills, Saskatchewan, indicate that these sediments were deposited during several polarity intervals
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66e8eee4c51a9a114092491e914fdda2
https://doi.org/10.1139/e17-105
https://doi.org/10.1139/e17-105
Autor:
W. J. Vreeken
Publikováno v:
Boreas. 8:408-408
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::240f3e69ca9df995c26add0dacdc575b
https://doi.org/10.1111/j.1502-3885.1979.tb00436.x
https://doi.org/10.1111/j.1502-3885.1979.tb00436.x
Autor:
R. H. King, C. R. De Kimpe, W. J. Vreeken, J. F. Dormaar, C. Tarnocai, S. A. Harris, K. W. G. Valentine
Publikováno v:
Canadian Journal of Soil Science. 67:221-247
This review describes some aspects of Canadian soils that are relevant to the Quaternary. It includes a description of the Quaternary Period in Canada, including a chronology of the major events that influenced soil formation, and the implication of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5387429d987c76306820524a15c85f2
https://doi.org/10.4141/cjss87-021
https://doi.org/10.4141/cjss87-021
Autor:
W. J. Vreeken, D. J. Pennock
Publikováno v:
Canadian Journal of Soil Science. 66:673-688
Soil stratigraphical and pedological techniques were used to examine the evolution of paleosols in the Highwood River Basin of southern Alberta. The paleosols were located on three types of glacial deposits: glacio-lacustrine, glacio-fluvial, and dia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dae95abeb1bf9c81a3c60ec65e75ad46
https://doi.org/10.4141/cjss86-067
https://doi.org/10.4141/cjss86-067
Autor:
D. J. Pennock, W. J. Vreeken
Publikováno v:
Soil Science Society of America Journal. 50:1520-1526
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ea3ae543f8207d5042a1a3d34799bf5
https://doi.org/10.2136/sssaj1986.03615995005000060028x
https://doi.org/10.2136/sssaj1986.03615995005000060028x
Autor:
H. J. Mücher, W. J. Vreeken
Publikováno v:
Earth Surface Processes and Landforms. 6:355-363
In this second of five papers on conditions and processes associated with loess accumulation in the southern Netherlands, micromorphology has been used first to characterize deposits ascribed to eolian, fluvial, overland flow, and masswasting process
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::424cef1fd5c02b3b71ef834794dbb404
https://doi.org/10.1002/esp.3290060314
https://doi.org/10.1002/esp.3290060314
Autor:
W. J. Vreeken
Publikováno v:
Journal of Soil Science. 26:378-394
Summary There are four principal kinds of chronosequences of soils that differ in age. These sequences have different combinations of isochrony and/or time-transgression of incipience and cessation of development of their encompassed soil members. A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::993e718144930e56472fdb74c85144df
https://doi.org/10.1111/j.1365-2389.1975.tb01962.x
https://doi.org/10.1111/j.1365-2389.1975.tb01962.x
Autor:
W. J. Vreeken, René W. Barendregt
Publikováno v:
Canadian Geotechnical Journal. 20:845-848
Research in paleomagnetism requires the collection of continuous, undisturbed, and oriented cores from fine-grained sub-surface deposits. The authors have found the Giddings coring machine to be a suitable device which offers a rapid and accurate alt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3069a80ec29cdd571c7b2a9d7135d443
https://doi.org/10.1139/t83-090
https://doi.org/10.1139/t83-090
Autor:
W. J. Vreeken, H. J. Mücher
Publikováno v:
Earth Surface Processes and Landforms. 6:337-354
This is the first of five papers on a study clarifying conditions and processes during and between the periods of loess accumulation in the southern Netherlands. The research approach involves studies of the stratigraphic, sedimentological, and paleo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50863e2d52a977307552e98e333d42aa
https://doi.org/10.1002/esp.3290060313
https://doi.org/10.1002/esp.3290060313