Soil organic carbon (SOC) strongly contributes to the operation of global cycling, and topographical factors largely influence its spatial distribution. However, SOC distribution leading impact in subtropical forest ecosystems (e.g., Zhejiang Province China) have received relatively limited attention from researchers. In this study, 255 soil samples were collected quantify variation forests. Th...

The catastrophic Wulong landslide occurred at 14:51 (Beijing time, UTC+8) on 5 June 2009, in Wulong Prefecture, Southwest China. This rockslide occurred in a complex topographic environment. Seismic signals generated by this event were recorded by the seismic network deployed in the surrounding area, and long-period signals were extracted from 8 broadband seismic stations within 250 km to obtai...

We propose a simple well-balanced method named the slope selecting method which is efficient in both steady state capturing and preserving for hyperbolic system with geometrical source terms having concentrations. Physical problems under consideration include the shallow water equations with discontinuous topography, and the quasi-one-dimensional nozzle flows with discontinuous cross-sectional ...

The problem of generation and propagation of tsunami waves is mainly focused on plane beach, there are very few analytical works where wave generation is considered on non-uniformly sloping beach and as a result those works might have failed to capture important facts which are influenced by bottom-slope of the beach. Some researchers provided solution to the forced long linear waves but on a b...

The Austral ian-Antarct ic discordance zone (AAD) is an anomalously deep and rough segment of the Southeast Indian Ridge between 120 ° and 128°E. A large, negative (deeper than predicted) depth anomaly is centered on the discordance, and a geoid low is evident upon removal of a low-order geoid model and the geoid height-age relation. We investigate two models that may explain these anomalies: a...

Depth and topography directly and indirectly influence most ocean environmental conditions, including light penetration and photosynthesis, sedimentation, current movements and stratification, and thus temperature and oxygen gradients. These parameters are thus likely to influence species distribution patterns and productivity in the oceans. They may be considered the foundation for any standar...

Direct and large eddy simulations are performed to study the internal waves generated by the oscillation of a barotropic tide over a model ridge of triangular shape. The objective is to go beyond linear theory and assess the role of nonlinear interactions including turbulence in situations with low tidal excursion number. The criticality parameter, defined as the ratio of the topographic slope ...

Abstract Detailed study of the response pipelines during seismic excitation can help reduce physical and financial losses after an earthquake. The current research investigated behavior passing through variations in topography using two-dimensional three-dimensional modeling. Their has been modeled at crest toe a slope longitudinal passage topography. effects soil stiffness, diameter-to-thickne...

Abstract Western boundary currents are hotspots of mesoscale variability and eddy–topography interactions, which channel energy toward smaller scales eventually down to dissipation. Here, we assess the main eddies sinks in Agulhas Current region from a regional numerical simulation. We derive an eddy kinetic ( ) budget framework vertical modes. It accounts for transfers between reservoirs modes...