Solid Earth
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Active faulting, 3-D geological architecture and Plio-Quaternary structural evolution of extensional basins in the central Apennine chain, Italy
Solid Earth - Tập 8 Số 2 - Trang 319-337
Abstract. The general basin and range Apennine topographic characteristic is
generally attributed to the presently active normal fault systems, whose
long-term activity (throughout the Quaternary) is supposed to have been
responsible for the creation of morphological/structural highs and lows. By
coupling field geological survey and geophysical investigations, we
reconstructed the 3-D geological m...
Combined deep sampling and mass-based approaches to assess soil carbon and nitrogen losses due to land-use changes in karst area of southwestern China
Solid Earth - Tập 7 Số 4 - Trang 1075-1084
Abstract. The conversion of natural vegetation to human-managed ecosystems,
especially the agricultural systems, may decrease soil organic carbon (SOC) and
total nitrogen (TN) stocks. The objective of present study was to assess SOC and
TN stocks losses by combining deep sampling with mass-based calculations upon
land-use changes in a typical karst area of southwestern China. We quantified
the cha...
Folding and necking across the scales: a review of theoretical and experimental results and their applications
Solid Earth - Tập 7 Số 5 - Trang 1417-1465
Abstract. The shortening and extension of mechanically layered ductile rock
generates folds and pinch-and-swell structures (also referred to as necks or
continuous boudins), which result from mechanical instabilities termed folding
and necking, respectively. Folding and necking are the preferred deformation
modes in layered rock because the corresponding mechanical work involved is less
than that ...
Chronostratigraphic framework and provenance of the Ossa-Morena Zone Carboniferous basins (southwest Iberia)
Solid Earth - Tập 11 Số 4 - Trang 1291-1312
Abstract. Carboniferous siliciclastic and silicic magmatic rocks from the Santa
Susana–São Cristovão and Cabrela regions contain valuable information regarding
the timing of synorogenic processes in SW Iberia. In this region of the
Ossa-Morena Zone (OMZ), late Carboniferous terrigenous strata (i.e., the Santa
Susana Formation) unconformably overlie early Carboniferous marine siliciclastic
deposits...
Nature of orogenesis and volcanism in the Caucasus region based on results of regional tomography
Solid Earth - Tập 3 Số 2 - Trang 327-337
Abstract. In the paper, we discuss the problem of continental collision and
related volcanism in the Caucasus and surrounding areas based on the analysis of
the upper mantle seismic structure in a recently derived model by Koulakov
(2011). This model, which includes P and S-velocity anomalies down to 1000 km
depth, was obtained from tomographic inversion of worldwide travel time data
from the cata...
Tunable diode laser measurements of hydrothermal/volcanic CO<sub>2</sub> and implications for the global CO<sub>2</sub> budget
Solid Earth - Tập 5 Số 2 - Trang 1209-1221
Abstract. Quantifying the CO2 flux sustained by low-temperature fumarolic fields
in hydrothermal/volcanic environments has remained a challenge, to date. Here,
we explored the potential of a commercial infrared tunable laser unit for
quantifying such fumarolic volcanic/hydrothermal CO2 fluxes. Our field tests
were conducted between April 2013 and March 2014 at Nea Kameni (Santorini,
Greece), Hekla...
Extreme extension across Seram and Ambon, eastern Indonesia: evidence for Banda slab rollback
Solid Earth - Tập 4 Số 2 - Trang 277-314
Abstract. The island of Seram, which lies in the northern part of the
180°-curved Banda Arc, has previously been interpreted as a fold-and-thrust belt
formed during arc-continent collision, which incorporates ophiolites intruded by
granites thought to have been produced by anatexis within a metamorphic sole.
However, new geological mapping and a re-examination of the field relations
cause us to qu...
Estimating soil erosion risk and evaluating erosion control measures for soil conservation planning at Koga watershed in the highlands of Ethiopia
Solid Earth - Tập 8 Số 1 - Trang 13-25
Abstract. Soil erosion is one of the major factors affecting sustainability of
agricultural production in Ethiopia. The objective of this paper is to estimate
soil erosion using the universal soil loss equation (RUSLE) model and to
evaluate soil conservation practices in a data-scarce watershed region. For this
purpose, soil data, rainfall, erosion control practices, satellite images and
topograph...
A new theoretical interpretation of Archie's saturation exponent
Solid Earth - Tập 8 Số 4 - Trang 805-816
Abstract. This paper describes the extension of the concepts of connectedness
and conservation of connectedness that underlie the generalized Archie's law for
n phases to the interpretation of the saturation exponent. It is shown that the
saturation exponent as defined originally by Archie arises naturally from the
generalized Archie's law. In the generalized Archie's law the saturation
exponent o...
Soil erosion evolution and spatial correlation analysis in a typical karst geomorphology using RUSLE with GIS
Solid Earth - Tập 8 Số 4 - Trang 721-736
Abstract. Although some scholars have studied soil erosion in karst landforms,
analyses of the spatial and temporal evolution of soil erosion and correlation
analyses with spatial elements have been insufficient. The lack of research has
led to an inaccurate assessment of environmental effects, especially in the
mountainous area of Wuling in China. Soil erosion and rocky desertification in
this ar...
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