Zobrazeno 1 - 10 of 116 pro vyhledávání: '"Bryan L. Isacks"'
1
Landslide Erosion Rate in the Eastern Cordillera of Northern Bolivia
Autor: Troy A. Blodgett, Bryan L. Isacks
Publikováno v: Earth Interactions. 11:1-30
The northeastern edge of the Bolivian Eastern Cordillera is an example of a tectonically active plateau margin where orographically enhanced precipitation facilitates very high rates of erosion. The topography of the steepest part of the margin exhib
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ed9ba64c4c0880e1cf2c36e370e915af
https://doi.org/10.1175/2007ei222.1
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2
Interannual variations of snowmelt and refreeze timing on southeast-Alaskan icefields, U.S.A
Autor: J. M. Ramage, Bryan L. Isacks
Publikováno v: Journal of Glaciology. 49:102-116
Twice-daily satellite observations from the Special Sensor Microwave Imager (SSM/I) indicate melt onset and refreeze on southeast-Alaskan icefields. Melt and refreeze are based on 37 GHz vertically polarized brightness temperatures (Tb) and diurnal-a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e1bb300cadf37e9b38916e1818e7b251
https://doi.org/10.3189/172756503781830908
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3
Determination of melt-onset and refreeze timing on southeast Alaskan icefields using SSM/I diurnal amplitude variations
Autor: Bryan L. Isacks, J. M. Ramage
Publikováno v: Annals of Glaciology. 34:391-398
Timing of snowmelt and freeze-up was estimated for glaciers in the Coast and St Elias Ranges of Alaska, U.S.A., and British Columbia, Canada, using twice-daily brightness temperatures (Tb) from the U.S. Defense Meteorological Satellite Programs Speci
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a30ef94871c8c56b44691e615b22b1e4
https://doi.org/10.3189/172756402781817761
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4
Central Andean mantle and crustal seismicity beneath the Southern Puna plateau and the northern margin of the Chilean-Pampean flat slab
Autor: Patrick Mulcahy, Lawrence D. Brown, Beatriz Lidia Luisa Coira, Suzanne Mahlburg Kay, Benjamin Heit, Eric Sandvol, Bryan L. Isacks, Chen Chen, Xiaohui Yuan
Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Tectonics
Earthquake hypocenters recorded in the Andean Southern Puna seismic array (25–28°S, 70–65°W) provide new constraints on the shape of the subducting Nazca plate beneath the Puna plateau, the transition into the Chilean-Pampean flat slab and the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e846d702412b7ae32b57cfb00f8b949
Wiley Online Library
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6
Spectral mixture analysis of Landsat thematic mapper images applied to the detection of the transient snowline on tropical Andean glaciers
Autor: Bryan L. Isacks, Andrew Klein
Publikováno v: Global and Planetary Change. 22:139-154
The tropical glaciers in the central Andes are sensitive indicators of climatic variability. They are an important water resource, but are presently in a state of rapid retreat. Spectral mixture analysis using Landsat Thematic Mapper (TM) images was
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::300a99f806b0b51aa57ec46c1de64297
https://doi.org/10.1016/s0921-8181(99)00032-6
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7
Interferometric radar observations of Glaciares Europa and Penguin, Hielo Patagonico Sur, Chile
Autor: Kenneth C. Jezek, Eric Rignot, Bryan L. Isacks, Richard R. Forster
Publikováno v: Journal of Glaciology. 45:325-337
Repeat-pass L-band interferometric synthetic aperture radar (InSAR) data for part of Hielo Patagónico Sur, Chile, were collected by the space-shuttle-based Spaceborne Imaging Radar C (SIR-C) over a 4 day span in October 1994. Three co-registered com
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0724222dd68eaf6545fce9b014a0db52
https://doi.org/10.3189/002214399793377220
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8
Modern and last local glacial maximum snowlines in the Central Andes of Peru, Bolivia, and Northern Chile
Autor: Bryan L. Isacks, Andrew Klein, Geoffrey O. Seltzer
Publikováno v: Quaternary Science Reviews. 18:63-84
Late Pleistocene snowlines in the central Andes were 500–1200 m lower than at present. Radiocarbon dates imply that the late-Pleistocene glacial maximum in the region occurred prior to 20 14C ka, but lack of maximum limiting ages adds considerable
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eac92e366d3d6efe27b97a65b20cfbdc
https://doi.org/10.1016/s0277-3791(98)00095-x
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9
Comparison of Late Pleistocene and Modern Glacier Extents in Central Nepal Based on Digital Elevation Data and Satellite Imagery
Autor: Bryan L. Isacks, Jeffrey G. Masek, Andrew J. Klein, Chris Duncan
Publikováno v: Quaternary Research. 49:241-254
Late Pleistocene and modern ice extents in central Nepal are compared to estimate equilibrium line altitude (ELA) depressions. New techniques are used for determining the former extent of glaciers based on quantitative, objective geomorphic analyses
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4757caaf53784879e354541bfaea2183
https://doi.org/10.1006/qres.1998.1958
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10
THE EVOLUTION OF THE ALTIPLANO-PUNA PLATEAU OF THE CENTRAL ANDES
Autor: Teresa E. Jordan, Richard W. Allmendinger, Bryan L. Isacks, Suzanne Mahlburg Kay
Publikováno v: Annual Review of Earth and Planetary Sciences. 25:139-174
▪ Abstract The enigma of continental plateaus formed in the absence of continental collision is embodied by the Altiplano-Puna, which stretches for 1800 km along the Central Andes and attains a width of 350–400 km. The plateau correlates spatiall
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0cab4ff8fb1f105ec610765c2b4e22da
https://doi.org/10.1146/annurev.earth.25.1.139
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