Nikolaus J Kuhn
Biographic Data
| ID | 3600015 |
|---|---|
| NAME | Nikolaus J Kuhn |
| GIVEN NAMES | Nikolaus J |
| FAMILY NAME | Kuhn |
| SIGNATURE | KUHN N J |
| AFFILIATIONS | University of Basel |
| ORCID | 0000-0003-4869-098X |
| VERIFIED | Yes |
| TOTAL WORKS | 12 |
| TOTAL CITATIONS | 1 |
| WORKS AS AUTHOR | 12 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 2008 |
| LATEST PUBLICATION YEAR | 2024 |
| H-INDEX | 1 |
The Potential to Reconstruct 20th Century Soil Organic Carbon Erosion in Rangelands From Small Reservoir Sediments
Soil erosion and soil organic carbon (SOC) loss are not always linked linearly because SOC‐rich topsoil is eroded at the initial stages of degradation, while horizons with lower SOC content are eroded later, but often at higher rates. Small, silted‐up farm reservoirs potentially document this change during the period of sediment accumulation. This study tests the specific potential of small farm reservoir sediments from the South African Karoo to…
Landscape Archives, Aerial Photography and Geomorphic Change along the Lower Orange River
The potential of fragipans in sustaining pearl millet during drought periods in north-central Namibia
Sandy soils with fragipans are usually considered poorly suited for agriculture. However, these soils are cultivated in Namibia as they can secure a minimum harvest during droughts. In order to understand the hydrological influence of fragipans in these soils, Ehenge, their soil moisture content was measured for 4 months. These data were then compared to a deep soil without fragipan, Omutunda, which is more productive during normal years but less…
Assessing hillslope sediment generation potential by tree throw
A preliminary field-based investigation was undertaken in a small (
Anthropogenic erosion-induced small-scale soil heterogeneity in South African rangelands
Land-use-induced soil erosion in semi-arid drylands induced by land-use changes creates patchworks of soils and vegetation different from those of natural conditions. Knowledge of the highly dynamic spatial heterogeneity in soil properties, not depicted in conventional soil maps, is important for managing land uses sustainably, and for understanding soil-climate interactions. This study carries out analysis of soil redistribution in a degraded ra…
Testing of photogrammetry for differentiation of soil organic carbon and biochar in sandy substrates
Landforms in different environmental ecosystems are formed through selective erosion and transport mechanisms by wind and water. To understand their development, biochemical composition, and effect on neighbouring ecosystems, it is essential to better understand the forming processes and to be able to monitor the behaviour and transport of particles through the landscape. Conventional methods to track and differentiate between organic and inorgan…
The use of a raindrop aggregate destruction device to evaluate sediment and soil organic carbon transport
Raindrop impact and subsequent aggregate breakdown can potentially change the movement behaviour of soil fractions and thus alter their transport distances when compared against non-impacted aggregates. In a given water layer, the transport distances of eroded soil fractions, and thus that of the associated substances across landscapes, such as soil organic carbon (SOC) and phosphorous, are determined by the settling velocities of the eroded soil…
The influence of terracettes on the surface hydrology of steep-sloping and subalpine environments
Alpine and mountain slopes represent important pathways that link high-altitude grazing areas to meadows and rangelands at lower elevations. Given the often acute gradients associated with such environments, they potentially represent highly efficient runoff conveyance routes that facilitate the downslope movement of runoff and associated material during erosion events. Many such slopes host series of small steps, or "terracettes". The juxtaposit…
Introduction to the special issue of Geographica Helvetica
No abstract available
Climate and land use effects on forest cover in the Bernese Alps during the 20th century
Physical geographic research in transitional environments
No abstract available
GIS-based modeling of runoff source areas and pathways
The application of runoff models that rely on calibration to future land use and climate conditions is restricted to situations where the reaction of Hydrologic Response Units to environmental change is known. This limitation and the ensuing uncertainty of model results can be avoided when a risk-based approach to landscape and runoff analysis is taken. GIS-based landscape analysis provides the possibility of assessing the risks associated with n…
Testing of photogrammetry for differentiation of soil organic carbon and biochar in sandy substrates
Landforms in different environmental ecosystems are formed through selective erosion and transport mechanisms by wind and water. To understand their development, biochemical composition, and effect on neighbouring ecosystems, it is essential to better understand the forming processes and to be able to monitor the behaviour and transport of particles through the landscape. Conventional methods to track and differentiate between organic and inorgan…
Physical geographic research in transitional environments
No abstract available
GIS-based modeling of runoff source areas and pathways
The application of runoff models that rely on calibration to future land use and climate conditions is restricted to situations where the reaction of Hydrologic Response Units to environmental change is known. This limitation and the ensuing uncertainty of model results can be avoided when a risk-based approach to landscape and runoff analysis is taken. GIS-based landscape analysis provides the possibility of assessing the risks associated with n…
Climate and land use effects on forest cover in the Bernese Alps during the 20th century
The use of a raindrop aggregate destruction device to evaluate sediment and soil organic carbon transport
Raindrop impact and subsequent aggregate breakdown can potentially change the movement behaviour of soil fractions and thus alter their transport distances when compared against non-impacted aggregates. In a given water layer, the transport distances of eroded soil fractions, and thus that of the associated substances across landscapes, such as soil organic carbon (SOC) and phosphorous, are determined by the settling velocities of the eroded soil…
The influence of terracettes on the surface hydrology of steep-sloping and subalpine environments
Alpine and mountain slopes represent important pathways that link high-altitude grazing areas to meadows and rangelands at lower elevations. Given the often acute gradients associated with such environments, they potentially represent highly efficient runoff conveyance routes that facilitate the downslope movement of runoff and associated material during erosion events. Many such slopes host series of small steps, or "terracettes". The juxtaposit…
Introduction to the special issue of Geographica Helvetica
No abstract available
Testing of photogrammetry for differentiation of soil organic carbon and biochar in sandy substrates
Landforms in different environmental ecosystems are formed through selective erosion and transport mechanisms by wind and water. To understand their development, biochemical composition, and effect on neighbouring ecosystems, it is essential to better understand the forming processes and to be able to monitor the behaviour and transport of particles through the landscape. Conventional methods to track and differentiate between organic and inorgan…
Assessing hillslope sediment generation potential by tree throw
A preliminary field-based investigation was undertaken in a small (
Anthropogenic erosion-induced small-scale soil heterogeneity in South African rangelands
Land-use-induced soil erosion in semi-arid drylands induced by land-use changes creates patchworks of soils and vegetation different from those of natural conditions. Knowledge of the highly dynamic spatial heterogeneity in soil properties, not depicted in conventional soil maps, is important for managing land uses sustainably, and for understanding soil-climate interactions. This study carries out analysis of soil redistribution in a degraded ra…
The potential of fragipans in sustaining pearl millet during drought periods in north-central Namibia
Sandy soils with fragipans are usually considered poorly suited for agriculture. However, these soils are cultivated in Namibia as they can secure a minimum harvest during droughts. In order to understand the hydrological influence of fragipans in these soils, Ehenge, their soil moisture content was measured for 4 months. These data were then compared to a deep soil without fragipan, Omutunda, which is more productive during normal years but less…
Landscape Archives, Aerial Photography and Geomorphic Change along the Lower Orange River
The Potential to Reconstruct 20th Century Soil Organic Carbon Erosion in Rangelands From Small Reservoir Sediments
Soil erosion and soil organic carbon (SOC) loss are not always linked linearly because SOC‐rich topsoil is eroded at the initial stages of degradation, while horizons with lower SOC content are eroded later, but often at higher rates. Small, silted‐up farm reservoirs potentially document this change during the period of sediment accumulation. This study tests the specific potential of small farm reservoir sediments from the South African Karoo to…
Geology (10 works) · Environmental Science (8 works) · Geology (8 works) · Soil erosion and sediment transport (8 works) · Geography (7 works) · Ecology (6 works) · Erosion (6 works) · Geomorphology (5 works) · Geotechnical engineering (5 works) · Hydrology (agriculture) (5 works)