Zobrazeno 1 - 10 of 163 pro vyhledávání: '"Ronald I. Dorn"'
1
Akademický článek
Protecting Stone Heritage in the Painted Desert: Employing the Rock Art Stability Index in the Petrified Forest National Park, Arizona
Autor: Kaelin M. Groom, Niccole Villa Cerveny, Casey D. Allen, Ronald I. Dorn, Jason Theuer
Publikováno v: Heritage, Vol 2, Iss 3, Pp 2111-2123 (2019)
Located in northeastern Arizona (USA), Petrified Forest National Park (PEFO) presents a unique story of both geologic and human history. Though perhaps most well-known for its abundant petrified wood and being part of the Painted Desert, visitors are
Externí odkaz: https://doaj.org/article/78dca735b8924017b99e96b92a75440e
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3
Akademický článek
Acceleration of Soil Erosion by Different Land Uses in Arid Lands above 10Be Natural Background Rates: Case Study in the Sonoran Desert, USA
Autor: Ara Jeong, Ronald I. Dorn, Yeong-Bae Seong, Byung-Yong Yu
Publikováno v: Land, Vol 10, Iss 8, p 834 (2021)
Land use changes often lead to soil erosion, land degradation, and environmental deterioration. However, little is known about just how much humans accelerate erosion compared to natural background rates in non-agricultural settings, despite its impo
Externí odkaz: https://doaj.org/article/d6cbe09753e2425dbad245a66279b66b
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5
Regional piedmont incision during base-level rise in the northeastern Sonoran Desert, Arizona, USA
Autor: Madeline Kelley, Mark W. Schmeeckle, Norma López-Castañeda, M. Colin Marvin, Christian González, Ronald I. Dorn
Publikováno v: Physical Geography. 43:67-97
Ephemeral channels incise into the piedmonts (both alluvial fans and pediments) of the northeastern Sonoran Desert, USA. Located around metropolitan Phoenix, this tectonically quiescent region expe...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::91240ec387fc2fc982f32cb13241cd83
https://doi.org/10.1080/02723646.2021.1934964
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6
Assessing biological soil crusts as agents of Ca–Mg silicate dissolution and CO2 sequestration
Autor: Ronald I. Dorn
Publikováno v: Physical Geography. 42:529-541
Biological soil crusts (BSCs) monitored over a 25-year period enhance the dissolution of the Ca-silicate plagioclase and the Mg-silicate olivine at Sonoran Desert and Colorado Plateau, USA, study s...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::15093eb85e78d150f057ee12a1697596
https://doi.org/10.1080/02723646.2021.1919379
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7
Akademický článek
Nanoscale Observations Support the Importance of Chemical Processes in Rock Decay and Rock Coating Development in Cold Climates
Autor: Ronald I. Dorn, David H. Krinsley
Publikováno v: Geosciences, Vol 9, Iss 3, p 121 (2019)
Conventional scholarship long held that rock fracturing from physical processes dominates over chemical rock decay processes in cold climates. The paradigm of the supremacy of cold-climate shattering was questioned by Rapp’s discovery (1960) that t
Externí odkaz: https://doaj.org/article/7665fc5cfcea486480009b1663175009
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