Journal ArticleDOI
The role of soil processes in determining mechanisms of slope failure and hillslope development in a humid-tropical forest eastern Puerto Rico
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TLDR
In this paper, in-situ shear-strength testing showed negative y-intercepts on the derived Mohr-Coulomb failure envelopes (approximately 50% of all tests) that are interpreted as apparent tensile stresses.About:
This article is published in Geomorphology.The article was published on 1990-09-01. It has received 83 citations till now. The article focuses on the topics: Downhill creep & Slope stability.read more
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Chemical weathering in a tropical watershed, Luquillo Mountains, Puerto Rico: I. Long-term versus short-term weathering fluxes
Art F. White,Alex E. Blum,Marjorie S. Schulz,Davison V. Vivit,David A. Stonestrom,Matthew C. Larsen,Sheila F. Murphy,Dennis D. Eberl +7 more
TL;DR: The fastest documented weathering rate of silicate rocks on the Earth's surface has been reported in the pristine Rio Icacos watershed in the Luquillo Mountains in eastern Puerto Rico as discussed by the authors.
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A rainfall intensity-duration threshold for landslides in a humid- tropical environment, Puerto Rico
Matthew C. Larsen,Andrew Simon +1 more
TL;DR: The leading cause of landslides in Puerto Rico is intense and/or prolonged rainfall as mentioned in this paper, which is triggered by factors such as heavy rainfall, seismic activity, and construction on hillslopes.
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Changes in extracellular enzyme activity and microbial community structure with soil depth at the Luquillo Critical Zone Observatory
TL;DR: Overall, microbial biomass, specific enzyme activities and community structure were similar across the two soil and forest types, in spite of higher carbon concentrations and C:N ratios in the Colorado forest soil.
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The frequency and distribution of recent landslides in three montane tropical regions of Puerto Rico
TL;DR: In this paper, a set of simplified matrices representing geographic conditions in the three study areas were developed and provided a basis for the estimation of the spatial controls on the frequency of landslides in Puerto Rico.
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Ecosystem development and plant succession on landslides in the caribbean
TL;DR: In this paper, the authors present two conceptual models of landslide succession that summarize the major processes and pathways of ecosystem development and plant succession on landslides, and characterize interactions between spatially heterogeneous zones, controls over soil development, impacts of key plant species and the role of animals on Caribbean landslides.
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Journal ArticleDOI
Classification and Identification of Soils
TL;DR: In this paper, the authors reviewed and compared existing soil classifications used in civil engineering, with emphasis on their limitations and presented a new soil grouping with a new classifier for soil classification.