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  • 1
    Online Resource
    Online Resource
    Geological and Cultural Context of the Nogahabara I Site
    Cambridge University Press (CUP) ; 2008
    In:  American Antiquity Vol. 73, No. 4 ( 2008-10), p. 781-790
    Details
    In: American Antiquity, Cambridge University Press (CUP), Vol. 73, No. 4 ( 2008-10), p. 781-790
    Abstract: La colección de Nogahabara I ha sido interpretada como un conjunto de herramientas abandonadas durante el pleistoceno tardío. Esta interpretación asume como premisa una breve y única ocupación del sitio. Con los datos contextuales limitados que se han presentado, no se puede desacreditar un palimpsesto de contextos no contemporáneos en condiciones secundarias asociadas con un depósito de residuos sedimentarios. El patrón espacial, la composición del conjunto lítico, la alteración superficial en los artefactos, y la diferencia en los fechados de carbono 14 del sitio, así como los datos geológicos de las dunas de Nogahabara y Kobuk, indican que el material cultural estuvo sujeto a alteraciones post-deposición. En este artículo, se consideran hipótesis alternativas de la formación de sitios y vías para probarlas.
    Type of Medium: Online Resource
    ISSN: 0002-7316 , 2325-5064
    URL: Article
    DOI: 10.1017/S0002731600047405
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2008
    detail.hit.zdb_id: 2050689-2
    SSG: 7,26
    SSG: 6,14
    SSG: 6,33
    SSG: 6,11
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  • 2
    Online Resource
    Online Resource
    Flake Dispersal Experiments: Noncultural Transformation of the Archaeological Record
    Cambridge University Press (CUP) ; 1983
    In:  American Antiquity Vol. 48, No. 3 ( 1983-07), p. 553-572
    Details
    In: American Antiquity, Cambridge University Press (CUP), Vol. 48, No. 3 ( 1983-07), p. 553-572
    Abstract: Time lapse studies of frost action effects on arctic and subarctic surficial archaeological sites have been conducted from 1973 to the present. Test plots of experimentally produced flakes were constructed in 1973 in the Tangle Lakes Region of the Central Alaska Range and subsequently remapped and photographed in 1974, 1976, and 1980. Similar test plots were laid out in the arctic foothills province of the Brooks Range. Observations made during the study period include: (1) flake displacements of as much as 20 cm/yr; (2) average minimum movement is 4 cm/yr; and (3) upslope movements were observed, suggesting that slope is not the primary factor in flake displacements. Frost heave, needle ice and, possibly, wind appear to be the dominant forces responsible for dispersals. It is argued that these and other natural processes can restructure the archaeological record into patterns that easily can be mistaken for those produced by human activity.
    Type of Medium: Online Resource
    ISSN: 0002-7316 , 2325-5064
    URL: Article
    DOI: 10.2307/280562
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 1983
    detail.hit.zdb_id: 2050689-2
    SSG: 7,26
    SSG: 6,14
    SSG: 6,33
    SSG: 6,11
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  • 3
    Online Resource
    Online Resource
    Research Note: A More Powerful Test Statistic for Reasoning about Interference between Units
    Cambridge University Press (CUP) ; 2016
    In:  Political Analysis Vol. 24, No. 3 ( 2016), p. 395-403
    Details
    In: Political Analysis, Cambridge University Press (CUP), Vol. 24, No. 3 ( 2016), p. 395-403
    Abstract: Bowers, Fredrickson, and Panagopoulos (2013, Reasoning about interference between units: A general framework, Political Analysis 21(1):97–124; henceforth BFP) showed that one could use Fisher's randomization-based hypothesis testing framework to assess counterfactual causal models of treatment propagation and spillover across social networks. This research note improves the statistical inference presented in BFP (2013) by substituting a test statistic based on a sum of squared residuals and incorporating information about the fixed network for the simple Kolmogorov–Smirnov test statistic (Hollander 1999, section 5.4) they used. This note incrementally improves the application of BFP's “reasoning about interference” approach. We do not offer general results about test statistics for multi-parameter causal models on social networks here, but instead hope to stimulate further, and deeper, work on test statistics and sharp hypothesis testing.
    Type of Medium: Online Resource
    ISSN: 1047-1987 , 1476-4989
    URL: Article
    DOI: 10.1093/pan/mpw018
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2016
    detail.hit.zdb_id: 2077794-2
    SSG: 3,6
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  • 4
    Online Resource
    Online Resource
    The Hayes Tephra Deposits, and Upper Holocene Marker Horizon in South-Central Alaska
    Cambridge University Press (CUP) ; 1990
    In:  Quaternary Research Vol. 33, No. 3 ( 1990-05), p. 276-290
    Details
    In: Quaternary Research, Cambridge University Press (CUP), Vol. 33, No. 3 ( 1990-05), p. 276-290
    Abstract: The most widespread of all Holocene tephra deposits in the Cook Inlet region of south-central Alaska is a set of deposits from Hayes volcano. Because of their unique phenocryst content—biotite in rare amounts and a high proportion of amphibole to pyroxene—the deposits are readily identifiable at all but the most distant sites where they are very fine grained. Eighteen radiocarbon dates from eight upland sites limit the age of the tephra set to between about 3500 and 3800 yr. The set originated at Hayes volcano in the Tordrillo Mountains 150 km northwest of Anchorage; seven or possibly eight closely succeeding deposits, low-silica dacite in composition, compose two main lobes that extend northeast for 400 km and south for at least 250 km from the vent. We estimate the total tephra volume to be 10 km 3 ; multiple layers imply four to six larger and two or three smaller eruptions. The deposits are a nearly isochronous marker horizon that should be useful in future archeologic, geologic, and palynologic studies in the region.
    Type of Medium: Online Resource
    ISSN: 0033-5894 , 1096-0287
    URL: Article
    DOI: 10.1016/0033-5894(90)90056-Q
    RVK:
    RA 1000
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 1990
    detail.hit.zdb_id: 1471589-2
    detail.hit.zdb_id: 205711-6
    SSG: 13
    SSG: 14
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  • 5
    Online Resource
    Online Resource
    MARINE RESERVOIR EFFECTS IN SEAL (PHOCIDAE) BONES IN THE NORTHERN BERING AND CHUKCHI SEAS, NORTHWESTERN ALASKA
    Cambridge University Press (CUP) ; 2021
    In:  Radiocarbon Vol. 63, No. 1 ( 2021-02), p. 301-319
    Details
    In: Radiocarbon, Cambridge University Press (CUP), Vol. 63, No. 1 ( 2021-02), p. 301-319
    Abstract: We explore marine reservoir effects (MREs) in seal bones from the northern Bering and Chukchi Seas regions. Ringed and bearded seals have served as dietary staples in human populations along the coasts of Arctic northeast Asia and North America for several millennia. Radiocarbon ( 14 C) dates on seal bones and terrestrial materials (caribou, plants seeds, wood, and wood charcoal) were compared from archaeological sites in the Bering Strait region of northwestern Alaska to assess MREs in these sea mammals over time. We also compared these results to 14 C dates on modern seal specimens collected in AD 1932 and 1946 from the Bering Sea region. Our paired archaeological samples were recovered from late Holocene archaeological features, including floors from dwellings and cache pits, that date between 1600 and 130 cal BP. 14 C dates on seal bones from the northern Bering and Chukchi Seas show differences [R(t)] of 800 ± 140 years from to their terrestrial counterparts, and deviations of 404 ± 112 years (ΔR) from the marine calibration curve.
    Type of Medium: Online Resource
    ISSN: 0033-8222 , 1945-5755
    URL: Article
    DOI: 10.1017/RDC.2020.127
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2021
    detail.hit.zdb_id: 2028560-7
    SSG: 11
    SSG: 13
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