Autor: Nadal-Romero, E. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Pinhole test for identifying susceptibility of different horizons in less - derived soils to piping erosion
Autorzy:: Nadal-Romero, M. E.
Verachtert, E.
Poesen, J.
Powiązania:: https://bibliotekanauki.pl/articles/295142.pdf
Data publikacji:: 2011
Wydawca:: Stowarzyszenie Geomorfologów Polskich
Tematy:: pinhole test
subsurface erosion
hydraulic head
antecedent soil moisture content
water quality
Opis:: The pinhole test is an empirical test based on the qualitative evaluation of the dispersivity (colloidal erodibility) of compacted fined-grained soils. This study evaluates the pinhole test device for the quantitative assessment of the susceptibility of soil horizons to piping. The experiments performed on different loess-derived soil horizons, with different hydraulic head and using distilled water show that the clay-enriched horizon (Bt horizon) is less susceptible to piping than the decalcified (C1) and the calcareous horizon (C2). This study demonstrates that the pinhole test is suitable for assessing the susceptibility of soil horizons to piping in a quantitative way.
Źródło:: Landform Analysis; 2011, 17; 131-134
1429-799X
Pojawia się w:: Landform Analysis
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Scale effects on sediment yield from badland areas in Mediterranean environments
Autorzy:: Martínez-Murillo, J. F.
Nadal-Romero, E.
Vanmaercke, M.
Poesen, J.
Powiązania:: https://bibliotekanauki.pl/articles/294681.pdf
Data publikacji:: 2011
Wydawca:: Stowarzyszenie Geomorfologów Polskich
Tematy:: badlands
sediment yield
drainage area
spatial scale
Opis:: This study investigates area-specific Sediment Yield (SY) in Mediterranean badland areas at different spatial scales using a SY-database compiled from scientific literature. Relationships between the plot and catchment characteristics and the corresponding SY-data are analyzed. Results indicate that in Mediterranean environments SY is larger than in other environments,especially in badlands where a high variability of SY is observed depending on the spatial scale. In intensively gullied badlands,a complex plot or drainage area (A) -SY relationship is observed: for A ranging between 10-5 and 10 ha,SY is very high (mean SY equals 475 t ha-1 yr-1),whereas for A greater than 10 ha,SY decreases with increasing A (mean SY less than 100 t ha-1 yr-1).
Źródło:: Landform Analysis; 2011, 17; 105-109
1429-799X
Pojawia się w:: Landform Analysis
Dostawca treści:: Biblioteka Nauki

Artykuł

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